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Sunscald effect on a Tomato 'Saint-Pierre', Provence, FranceSunscald effect on a Tomato 'Saint-Pierre', Provence, FranceSunscald effect on a Tomato 'Saint-Pierre', Provence, France© Philippe Giraud / Biosgarden / BiosphotoJPG - RM
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Sunscald effect on a Tomato 'Saint-Pierre', Provence, France

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Sunscald effect on a Tomato 'Pinneapple', Provence, FranceSunscald effect on a Tomato 'Pinneapple', Provence, FranceSunscald effect on a Tomato 'Pinneapple', Provence, France© Philippe Giraud / Biosgarden / BiosphotoJPG - RM
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Sunscald effect on a Tomato 'Pinneapple', Provence, France

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Powdery mildew infected tomato leaves, Provence, francePowdery mildew infected tomato leaves, Provence, francePowdery mildew infected tomato leaves, Provence, france© Philippe Giraud / Biosgarden / BiosphotoJPG - RM
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Powdery mildew infected tomato leaves, Provence, france

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Blossom end rot on Tomato ''Cornue des Andes', Provence, FranceBlossom end rot on Tomato ''Cornue des Andes', Provence, FranceBlossom end rot on Tomato ''Cornue des Andes', Provence, France© Philippe Giraud / Biosgarden / BiosphotoJPG - RM
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Blossom end rot on Tomato ''Cornue des Andes', Provence, France

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Powdery mildew on leaves of Cucurbita, Provence, FrancePowdery mildew on leaves of Cucurbita, Provence, FrancePowdery mildew on leaves of Cucurbita, Provence, France© Philippe Giraud / Biosgarden / BiosphotoJPG - RM
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Powdery mildew on leaves of Cucurbita, Provence, France

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Powdery mildew on leaves of Potimarron, Provence, FrancePowdery mildew on leaves of Potimarron, Provence, FrancePowdery mildew on leaves of Potimarron, Provence, France© Philippe Giraud / Biosgarden / BiosphotoJPG - RM
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Powdery mildew on leaves of Potimarron, Provence, France

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Blossom end rot on Tomato ''Cornue des Andes', Provence, FranceBlossom end rot on Tomato ''Cornue des Andes', Provence, FranceBlossom end rot on Tomato ''Cornue des Andes', Provence, France© Philippe Giraud / Biosgarden / BiosphotoJPG - RM
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Blossom end rot on Tomato ''Cornue des Andes', Provence, France

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Blossom end rot on Tomato, Provence, FranceBlossom end rot on Tomato, Provence, FranceBlossom end rot on Tomato, Provence, France© Philippe Giraud / Biosgarden / BiosphotoJPG - RM
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Blossom end rot on Tomato, Provence, France

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Powdery mildew on leaves of Cucurbita, Provence, FrancePowdery mildew on leaves of Cucurbita, Provence, FrancePowdery mildew on leaves of Cucurbita, Provence, France© Philippe Giraud / Biosgarden / BiosphotoJPG - RM
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Powdery mildew on leaves of Cucurbita, Provence, France

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Powdery mildew on leaves of Cucurbita, Provence, FrancePowdery mildew on leaves of Cucurbita, Provence, FrancePowdery mildew on leaves of Cucurbita, Provence, France© Philippe Giraud / Biosgarden / BiosphotoJPG - RM
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Powdery mildew on leaves of Cucurbita, Provence, France

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Powdery mildew on leaves of Cucurbita, Provence, FrancePowdery mildew on leaves of Cucurbita, Provence, FrancePowdery mildew on leaves of Cucurbita, Provence, France© Philippe Giraud / Biosgarden / BiosphotoJPG - RM
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Powdery mildew on leaves of Cucurbita, Provence, France

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Cleared spruce forest (Picea abies) infested by European spruce bark beetle (Ips typographus), Oberhaslach, Alsace, FranceCleared spruce forest (Picea abies) infested by European spruce bark beetle (Ips typographus), Oberhaslach, Alsace, FranceCleared spruce forest (Picea abies) infested by European spruce bark beetle (Ips typographus), Oberhaslach, Alsace, France© Frédéric Tournay / BiosphotoJPG - RM
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Cleared spruce forest (Picea abies) infested by European spruce

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1 - Bacteria and mould spores Aspergilus sp. and A. niger. aggregated in the crevices of the brou. 2. Xanthomonas bacteria under a bio film. 3. mould spores Aspergilus niger. (in yellow). M.E.B. Magnification X 4000.1 - Bacteria and mould spores Aspergilus sp. and A. niger. aggregated in the crevices of the brou. 2. Xanthomonas bacteria under a bio film. 3. mould spores Aspergilus niger. (in yellow). M.E.B. Magnification X 4000.1 - Bacteria and mould spores Aspergilus sp. and A. niger. aggregated in the crevices of the brou. 2. Xanthomonas bacteria under a bio film. 3. mould spores Aspergilus niger. (in yellow). M.E.B. Magnification X 4000.© Jean Lecomte / BiosphotoJPG - RM
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1 - Bacteria and mould spores Aspergilus sp. and A. niger.

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A1 - Pustule on sow seen at SEM. contaminated with two parasitic fungi : Botryosphaeria and Alternaria alternata. SEM x 700 - (arrows) 2 - Some hyphae of Alternaria alternata cross image B - Enlarged detail of image A. The fissure is filled with Botryosphaeria conidia (in yellow) plus a sclerotia loaded with conidia. (circle) SEM X 2000 - Banyuls sur mer - France - 11.12.2020 -A1 - Pustule on sow seen at SEM. contaminated with two parasitic fungi : Botryosphaeria and Alternaria alternata. SEM x 700 - (arrows) 2 - Some hyphae of Alternaria alternata cross image B - Enlarged detail of image A. The fissure is filled with Botryosphaeria conidia (in yellow) plus a sclerotia loaded with conidia. (circle) SEM X 2000 - Banyuls sur mer - France - 11.12.2020 -A1 - Pustule on sow seen at SEM. contaminated with two parasitic fungi : Botryosphaeria and Alternaria alternata. SEM x 700 - (arrows) 2 - Some hyphae of Alternaria alternata cross image B - Enlarged detail of image A. The fissure is filled with Botryosphaeria conidia (in yellow) plus a sclerotia loaded with conidia. (circle) SEM X 2000 - Banyuls sur mer - France - 11.12.2020 -© Jean Lecomte / BiosphotoJPG - RM
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A1 - Pustule on sow seen at SEM. contaminated with two parasitic

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Macrographie de feuille de pommier atteinte par Diplodia seriata (Botryophaeria obtusa), avec taches arondies oranges à pourpres. A : Réréfence de Couleur pourpre. A droite: détail de la tache avec le réseau de filaments. St Génis des Fontaine; le 30 juillet 2020.Macrographie de feuille de pommier atteinte par Diplodia seriata (Botryophaeria obtusa), avec taches arondies oranges à pourpres. A : Réréfence de Couleur pourpre. A droite: détail de la tache avec le réseau de filaments. St Génis des Fontaine; le 30 juillet 2020.Macrographie de feuille de pommier atteinte par Diplodia seriata (Botryophaeria obtusa), avec taches arondies oranges à pourpres. A : Réréfence de Couleur pourpre. A droite: détail de la tache avec le réseau de filaments. St Génis des Fontaine; le 30 juillet 2020.© Jean Lecomte / BiosphotoJPG - RM
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Macrographie de feuille de pommier atteinte par Diplodia seriata

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Macrographs of the evolution of the acervuli under a walnut leaf: A - 10 June 2019: Formation of pustules. B - July 20, 2019 : Pustules emit sporiferous jelly. C - November 2019, the pustules have become black, flat acervuli, before the pustules are formed.Macrographs of the evolution of the acervuli under a walnut leaf: A - 10 June 2019: Formation of pustules. B - July 20, 2019 : Pustules emit sporiferous jelly. C - November 2019, the pustules have become black, flat acervuli, before the pustules are formed.Macrographs of the evolution of the acervuli under a walnut leaf: A - 10 June 2019: Formation of pustules. B - July 20, 2019 : Pustules emit sporiferous jelly. C - November 2019, the pustules have become black, flat acervuli, before the pustules are formed.© Jean Lecomte / BiosphotoJPG - RM
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Macrographs of the evolution of the acervuli under a walnut leaf:

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A - Reverse side of leaf with a stain loaded with numerous acervuli of Ophiognomonia leptostyla. B - Top of leaf with some acervuli. C - Reverse side of the same leaf loaded with acervuli. - Banyuls sur mer, France, July 5, 2019 -A - Reverse side of leaf with a stain loaded with numerous acervuli of Ophiognomonia leptostyla. B - Top of leaf with some acervuli. C - Reverse side of the same leaf loaded with acervuli. - Banyuls sur mer, France, July 5, 2019 -A - Reverse side of leaf with a stain loaded with numerous acervuli of Ophiognomonia leptostyla. B - Top of leaf with some acervuli. C - Reverse side of the same leaf loaded with acervuli. - Banyuls sur mer, France, July 5, 2019 -© Jean Lecomte / BiosphotoJPG - RM
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A - Reverse side of leaf with a stain loaded with numerous

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Cultivation in Petri box of a piece of nut contaminated by Xanthomonas arboricolaen. Whitish colonies on agar; in the insert Microphotography of Xanthomonas arboricola bacteria five days later. Gr. X 300 -Cultivation in Petri box of a piece of nut contaminated by Xanthomonas arboricolaen. Whitish colonies on agar; in the insert Microphotography of Xanthomonas arboricola bacteria five days later. Gr. X 300 -Cultivation in Petri box of a piece of nut contaminated by Xanthomonas arboricolaen. Whitish colonies on agar; in the insert Microphotography of Xanthomonas arboricola bacteria five days later. Gr. X 300 -© Jean Lecomte / BiosphotoJPG - RM
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Cultivation in Petri box of a piece of nut contaminated by

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Four images summarize the principle of spore propagation: A - Rain runoff on spore-laden acervuli. B - Spores falling further down colonize leaves placed underneath. C - Close-up of a contamination with spreading stains. D - Formation of acervuli (organs that disperse spores. The cycle can be resumed.Four images summarize the principle of spore propagation: A - Rain runoff on spore-laden acervuli. B - Spores falling further down colonize leaves placed underneath. C - Close-up of a contamination with spreading stains. D - Formation of acervuli (organs that disperse spores. The cycle can be resumed.Four images summarize the principle of spore propagation: A - Rain runoff on spore-laden acervuli. B - Spores falling further down colonize leaves placed underneath. C - Close-up of a contamination with spreading stains. D - Formation of acervuli (organs that disperse spores. The cycle can be resumed.© Jean Lecomte / BiosphotoJPG - RM
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Four images summarize the principle of spore propagation: A -

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Deux noix gravement atteintes par le champignon Botryosphaeria obtusa. (pourriture noire) Banyuls sur mer, France, le 5 juillet 2019 -Deux noix gravement atteintes par le champignon Botryosphaeria obtusa. (pourriture noire) Banyuls sur mer, France, le 5 juillet 2019 -Deux noix gravement atteintes par le champignon Botryosphaeria obtusa. (pourriture noire) Banyuls sur mer, France, le 5 juillet 2019 -© Jean Lecomte / BiosphotoJPG - RM
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Deux noix gravement atteintes par le champignon Botryosphaeria

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Ophiognomonia spots at two month intervals: A: image of July 12, 2019 B: image of September 31, 2019. In fifty days, the top nut was destroyed. The following month, both nuts had fallen off. Notice the white marks in the center of the spots. Banyuls sur mer, France, July 12 and September 31, 2019 -Ophiognomonia spots at two month intervals: A: image of July 12, 2019 B: image of September 31, 2019. In fifty days, the top nut was destroyed. The following month, both nuts had fallen off. Notice the white marks in the center of the spots. Banyuls sur mer, France, July 12 and September 31, 2019 -Ophiognomonia spots at two month intervals: A: image of July 12, 2019 B: image of September 31, 2019. In fifty days, the top nut was destroyed. The following month, both nuts had fallen off. Notice the white marks in the center of the spots. Banyuls sur mer, France, July 12 and September 31, 2019 -© Jean Lecomte / BiosphotoJPG - RM
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Ophiognomonia spots at two month intervals: A: image of July 12,

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Release of sporipheric jelly from an acervulus, Beaulieu - Isère - FranceRelease of sporipheric jelly from an acervulus, Beaulieu - Isère - FranceRelease of sporipheric jelly from an acervulus, Beaulieu - Isère - France© Jean Lecomte / BiosphotoJPG - RM
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Release of sporipheric jelly from an acervulus, Beaulieu - Isère

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Details of the hyphae producing asci of Alternaria alternata. Les Cerfs, Le Houga (32460) - MEB le 22..09.2020 - X 4500 -Details of the hyphae producing asci of Alternaria alternata. Les Cerfs, Le Houga (32460) - MEB le 22..09.2020 - X 4500 -Details of the hyphae producing asci of Alternaria alternata. Les Cerfs, Le Houga (32460) - MEB le 22..09.2020 - X 4500 -© Jean Lecomte / BiosphotoJPG - RM
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Details of the hyphae producing asci of Alternaria alternata. Les

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1 - Germ tube advancing towards the open stoma; 2 - Spore emitting germ tube. on 19.08.2019 - SEM X 1800 -1 - Germ tube advancing towards the open stoma; 2 - Spore emitting germ tube. on 19.08.2019 - SEM X 1800 -1 - Germ tube advancing towards the open stoma; 2 - Spore emitting germ tube. on 19.08.2019 - SEM X 1800 -© Jean Lecomte / BiosphotoJPG - RM
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1 - Germ tube advancing towards the open stoma; 2 - Spore

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Reverse of husk and five sclerotia of Ophiognomonia being formed from the hyphae of the mucilaginous mass. SEM X 4500 - Crespia, Spain, 25.08.2019 -Reverse of husk and five sclerotia of Ophiognomonia being formed from the hyphae of the mucilaginous mass. SEM X 4500 - Crespia, Spain, 25.08.2019 -Reverse of husk and five sclerotia of Ophiognomonia being formed from the hyphae of the mucilaginous mass. SEM X 4500 - Crespia, Spain, 25.08.2019 -© Jean Lecomte / BiosphotoJPG - RM
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Reverse of husk and five sclerotia of Ophiognomonia being formed

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Galls of mites of the genus Aceria under 2 walnut leaves. Inserts : Drawing of the Aceria mite . A - cuticle. B - section of a gall - Bresilley, Haute Saône, France, 10.07.2019 .Galls of mites of the genus Aceria under 2 walnut leaves. Inserts : Drawing of the Aceria mite . A - cuticle. B - section of a gall - Bresilley, Haute Saône, France, 10.07.2019 .Galls of mites of the genus Aceria under 2 walnut leaves. Inserts : Drawing of the Aceria mite . A - cuticle. B - section of a gall - Bresilley, Haute Saône, France, 10.07.2019 .© Jean Lecomte / BiosphotoJPG - RM
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Galls of mites of the genus Aceria under 2 walnut leaves. Inserts

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1 - Three sclerotia of Ophiognomonia on a background of moss. 1 - In the center, three sclerotia in the process of formation. 2 - Germ tube (arrow) coming out of the spore; 3 - Eight to ten Ophiognomonia spores (in yellow) on a background of moss. SEM X 2000 .1 - Three sclerotia of Ophiognomonia on a background of moss. 1 - In the center, three sclerotia in the process of formation. 2 - Germ tube (arrow) coming out of the spore; 3 - Eight to ten Ophiognomonia spores (in yellow) on a background of moss. SEM X 2000 .1 - Three sclerotia of Ophiognomonia on a background of moss. 1 - In the center, three sclerotia in the process of formation. 2 - Germ tube (arrow) coming out of the spore; 3 - Eight to ten Ophiognomonia spores (in yellow) on a background of moss. SEM X 2000 .© Jean Lecomte / BiosphotoJPG - RM
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1 - Three sclerotia of Ophiognomonia on a background of moss. 1 -

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-A - Apple leaf with two separate cuticles, the upper part was cut off and turned over to see the numerous black sclerotia of Diplodia seriata. B - Close-up (macrograph) of the sclerotia of Diplodia seriata, between the two cuticles. - the 24.09.2020 Banyuls s/mer, France-A - Apple leaf with two separate cuticles, the upper part was cut off and turned over to see the numerous black sclerotia of Diplodia seriata. B - Close-up (macrograph) of the sclerotia of Diplodia seriata, between the two cuticles. - the 24.09.2020 Banyuls s/mer, France-A - Apple leaf with two separate cuticles, the upper part was cut off and turned over to see the numerous black sclerotia of Diplodia seriata. B - Close-up (macrograph) of the sclerotia of Diplodia seriata, between the two cuticles. - the 24.09.2020 Banyuls s/mer, France© Jean Lecomte / BiosphotoJPG - RM
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-A - Apple leaf with two separate cuticles, the upper part was

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Beginning of contamination of an apple by the Alternaria alternata mould. Banyuls sur mer, France, 24.09.2020 -Beginning of contamination of an apple by the Alternaria alternata mould. Banyuls sur mer, France, 24.09.2020 -Beginning of contamination of an apple by the Alternaria alternata mould. Banyuls sur mer, France, 24.09.2020 -© Jean Lecomte / BiosphotoJPG - RM
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Beginning of contamination of an apple by the Alternaria

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Lost nut loaded with numerous pustules of the Ophiognomonia fungus. Insert: pustules with sporipheral jelly exit. - Banyuls sur mer, France, September 16, 2020 -Lost nut loaded with numerous pustules of the Ophiognomonia fungus. Insert: pustules with sporipheral jelly exit. - Banyuls sur mer, France, September 16, 2020 -Lost nut loaded with numerous pustules of the Ophiognomonia fungus. Insert: pustules with sporipheral jelly exit. - Banyuls sur mer, France, September 16, 2020 -© Jean Lecomte / BiosphotoJPG - RM
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Lost nut loaded with numerous pustules of the Ophiognomonia

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Upper and lower side of walnut leaf with mite scab Aceria erinea. (Length about 100 µm) Saint Avit Rivière - Dordogne - FranceUpper and lower side of walnut leaf with mite scab Aceria erinea. (Length about 100 µm) Saint Avit Rivière - Dordogne - FranceUpper and lower side of walnut leaf with mite scab Aceria erinea. (Length about 100 µm) Saint Avit Rivière - Dordogne - France© Jean Lecomte / BiosphotoJPG - RM
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Upper and lower side of walnut leaf with mite scab Aceria erinea.

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First scab spots on apple leaves. June 23, 2020. St Génis des Fontaines, FranceFirst scab spots on apple leaves. June 23, 2020. St Génis des Fontaines, FranceFirst scab spots on apple leaves. June 23, 2020. St Génis des Fontaines, France© Jean Lecomte / BiosphotoJPG - RM
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First scab spots on apple leaves. June 23, 2020. St Génis des

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A - Pycnidia in circular formation typical of Botryosphaeria. on lemon leaf, Banyuls sur mer, France - B - Circular leaf spots of purple color, which widen with time to finally occupy the whole leaf. June 1, 2020.A - Pycnidia in circular formation typical of Botryosphaeria. on lemon leaf, Banyuls sur mer, France - B - Circular leaf spots of purple color, which widen with time to finally occupy the whole leaf. June 1, 2020.A - Pycnidia in circular formation typical of Botryosphaeria. on lemon leaf, Banyuls sur mer, France - B - Circular leaf spots of purple color, which widen with time to finally occupy the whole leaf. June 1, 2020.© Jean Lecomte / BiosphotoJPG - RM
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A - Pycnidia in circular formation typical of Botryosphaeria. on

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A - Rounded brown spots of Diploria seriata (Botryosphaeria) on apple leaves in spring. May 30, 2020. B - Leaf very affected by Botyosphaeria, close to its fall. St. Genis des Fontaine. France; July 25, 2020.A - Rounded brown spots of Diploria seriata (Botryosphaeria) on apple leaves in spring. May 30, 2020. B - Leaf very affected by Botyosphaeria, close to its fall. St. Genis des Fontaine. France; July 25, 2020.A - Rounded brown spots of Diploria seriata (Botryosphaeria) on apple leaves in spring. May 30, 2020. B - Leaf very affected by Botyosphaeria, close to its fall. St. Genis des Fontaine. France; July 25, 2020.© Jean Lecomte / BiosphotoJPG - RM
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A - Rounded brown spots of Diploria seriata (Botryosphaeria) on

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Front and back of leaf folded by the fungus Venturia inaequalis, agent of apple scab. St Génis des Fontaines, France. June 1, 2020Front and back of leaf folded by the fungus Venturia inaequalis, agent of apple scab. St Génis des Fontaines, France. June 1, 2020Front and back of leaf folded by the fungus Venturia inaequalis, agent of apple scab. St Génis des Fontaines, France. June 1, 2020© Jean Lecomte / BiosphotoJPG - RM
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Front and back of leaf folded by the fungus Venturia inaequalis,

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Apple mummy affected by scab (found on the ground). In the insert: macrograph of a fold with white dots containing conidia of Venturia inaequalis. St Genis des Fontaines, France. 31.05.2020Apple mummy affected by scab (found on the ground). In the insert: macrograph of a fold with white dots containing conidia of Venturia inaequalis. St Genis des Fontaines, France. 31.05.2020Apple mummy affected by scab (found on the ground). In the insert: macrograph of a fold with white dots containing conidia of Venturia inaequalis. St Genis des Fontaines, France. 31.05.2020© Jean Lecomte / BiosphotoJPG - RM
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Apple mummy affected by scab (found on the ground). In the

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Scab spots on young apples of 3 to 4 cm, caused by the fungus Venturia inaequalis - St Génis des Fontaines - France - May 30, 2020 -Scab spots on young apples of 3 to 4 cm, caused by the fungus Venturia inaequalis - St Génis des Fontaines - France - May 30, 2020 -Scab spots on young apples of 3 to 4 cm, caused by the fungus Venturia inaequalis - St Génis des Fontaines - France - May 30, 2020 -© Jean Lecomte / BiosphotoJPG - RM
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Scab spots on young apples of 3 to 4 cm, caused by the fungus

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A - Beginning of contamination by the fungus Botryosphaeria. with small scattered light brown spots. B - Expanding spots. C - 50% of the nut is affected, in constant progression, Crespia, Spain, August 25, 2019.A - Beginning of contamination by the fungus Botryosphaeria. with small scattered light brown spots. B - Expanding spots. C - 50% of the nut is affected, in constant progression, Crespia, Spain, August 25, 2019.A - Beginning of contamination by the fungus Botryosphaeria. with small scattered light brown spots. B - Expanding spots. C - 50% of the nut is affected, in constant progression, Crespia, Spain, August 25, 2019.© Jean Lecomte / BiosphotoJPG - RM
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A - Beginning of contamination by the fungus Botryosphaeria. with

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Progressive stains of the pathogenic fungus Fusarium lateritium on the upper side of the leaf. Bressilley, Haute-Saône, France - July 10, 2019 -Progressive stains of the pathogenic fungus Fusarium lateritium on the upper side of the leaf. Bressilley, Haute-Saône, France - July 10, 2019 -Progressive stains of the pathogenic fungus Fusarium lateritium on the upper side of the leaf. Bressilley, Haute-Saône, France - July 10, 2019 -© Jean Lecomte / BiosphotoJPG - RM
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Progressive stains of the pathogenic fungus Fusarium lateritium

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Older stains of the Colletotrichum fungus on walnut leaves. Note the circular organization of the acervuli (arrow). Bresiilley, Haute-Saône, France, July 10, 2019 -Older stains of the Colletotrichum fungus on walnut leaves. Note the circular organization of the acervuli (arrow). Bresiilley, Haute-Saône, France, July 10, 2019 -Older stains of the Colletotrichum fungus on walnut leaves. Note the circular organization of the acervuli (arrow). Bresiilley, Haute-Saône, France, July 10, 2019 -© Jean Lecomte / BiosphotoJPG - RM
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Older stains of the Colletotrichum fungus on walnut leaves. Note

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A - Contamination stain of the fungus Alternaria alternata on walnut leaf. B - Enlarged area A seen under a transparency microscope. with formation of conidial chains of Alternaria alternata. Gr. X 250 - Crespià, Spain, 02.07.2019A - Contamination stain of the fungus Alternaria alternata on walnut leaf. B - Enlarged area A seen under a transparency microscope. with formation of conidial chains of Alternaria alternata. Gr. X 250 - Crespià, Spain, 02.07.2019A - Contamination stain of the fungus Alternaria alternata on walnut leaf. B - Enlarged area A seen under a transparency microscope. with formation of conidial chains of Alternaria alternata. Gr. X 250 - Crespià, Spain, 02.07.2019© Jean Lecomte / BiosphotoJPG - RM
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A - Contamination stain of the fungus Alternaria alternata on

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Reverse side of a leaf affected by Microstroma juglandis. The white dots are sporangia erected from plant cells. The bottom image is the same, but illuminated from below with the cells filled with conidia. Céret, France - 18.06.2019Reverse side of a leaf affected by Microstroma juglandis. The white dots are sporangia erected from plant cells. The bottom image is the same, but illuminated from below with the cells filled with conidia. Céret, France - 18.06.2019Reverse side of a leaf affected by Microstroma juglandis. The white dots are sporangia erected from plant cells. The bottom image is the same, but illuminated from below with the cells filled with conidia. Céret, France - 18.06.2019© Jean Lecomte / BiosphotoJPG - RM
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Reverse side of a leaf affected by Microstroma juglandis. The

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Underside of a walnut leaf parasitized by the fungus Microstroma juglandis. The white dots are erect sporangia loaded with spores. Céret, France - 18.06.2019Underside of a walnut leaf parasitized by the fungus Microstroma juglandis. The white dots are erect sporangia loaded with spores. Céret, France - 18.06.2019Underside of a walnut leaf parasitized by the fungus Microstroma juglandis. The white dots are erect sporangia loaded with spores. Céret, France - 18.06.2019© Jean Lecomte / BiosphotoJPG - RM
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Underside of a walnut leaf parasitized by the fungus Microstroma

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Spots on walnut leaves parasitized by the fungus Microstroma juglandis. Céret, France - 18.06.2019Spots on walnut leaves parasitized by the fungus Microstroma juglandis. Céret, France - 18.06.2019Spots on walnut leaves parasitized by the fungus Microstroma juglandis. Céret, France - 18.06.2019© Jean Lecomte / BiosphotoJPG - RM
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Spots on walnut leaves parasitized by the fungus Microstroma

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A - Aureoles of contamination by the fungus Aureobasidium pullulans. B - On the same nut, another contamination by Ophiognomonia leptostyla. (arrows) - Mormès, Gers, France, 09.06.2019 -A - Aureoles of contamination by the fungus Aureobasidium pullulans. B - On the same nut, another contamination by Ophiognomonia leptostyla. (arrows) - Mormès, Gers, France, 09.06.2019 -A - Aureoles of contamination by the fungus Aureobasidium pullulans. B - On the same nut, another contamination by Ophiognomonia leptostyla. (arrows) - Mormès, Gers, France, 09.06.2019 -© Jean Lecomte / BiosphotoJPG - RM
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A - Aureoles of contamination by the fungus Aureobasidium

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Dry kernel caused by the fungus Botryosphaeria arboricola, Crespià, Spain, 25.08.2019Dry kernel caused by the fungus Botryosphaeria arboricola, Crespià, Spain, 25.08.2019Dry kernel caused by the fungus Botryosphaeria arboricola, Crespià, Spain, 25.08.2019© Jean Lecomte / BiosphotoJPG - RM
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Dry kernel caused by the fungus Botryosphaeria arboricola,

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A: Penetration hole of a young caterpillar. B - Same nut seen from the side with the gallery. The caterpillar had not yet pierced the shell. Céret - France - the 20.09.2018 -A: Penetration hole of a young caterpillar. B - Same nut seen from the side with the gallery. The caterpillar had not yet pierced the shell. Céret - France - the 20.09.2018 -A: Penetration hole of a young caterpillar. B - Same nut seen from the side with the gallery. The caterpillar had not yet pierced the shell. Céret - France - the 20.09.2018 -© Jean Lecomte / BiosphotoJPG - RM
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A: Penetration hole of a young caterpillar. B - Same nut seen

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1 - A: Gallery entrance with crumbs rejected by the caterpillar. In the circle, 7 chorions deposited by a Polyodaspis fly. 2 - After removal of the brou, the path from A to B is visible, B being the area where the caterpillar entered the shell. Varacieux - Isère - France - the 16.09.2018 -1 - A: Gallery entrance with crumbs rejected by the caterpillar. In the circle, 7 chorions deposited by a Polyodaspis fly. 2 - After removal of the brou, the path from A to B is visible, B being the area where the caterpillar entered the shell. Varacieux - Isère - France - the 16.09.2018 -1 - A: Gallery entrance with crumbs rejected by the caterpillar. In the circle, 7 chorions deposited by a Polyodaspis fly. 2 - After removal of the brou, the path from A to B is visible, B being the area where the caterpillar entered the shell. Varacieux - Isère - France - the 16.09.2018 -© Jean Lecomte / BiosphotoJPG - RM
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1 - A: Gallery entrance with crumbs rejected by the caterpillar.

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Micrographs of asci of Fusarium lateritium emptied of their dispersed conidia. From a parasitized Verbascum sinuatum leaf fragment cultured in a petri dish. The insert shows the isolated conidia. Gr. X 300Micrographs of asci of Fusarium lateritium emptied of their dispersed conidia. From a parasitized Verbascum sinuatum leaf fragment cultured in a petri dish. The insert shows the isolated conidia. Gr. X 300Micrographs of asci of Fusarium lateritium emptied of their dispersed conidia. From a parasitized Verbascum sinuatum leaf fragment cultured in a petri dish. The insert shows the isolated conidia. Gr. X 300© Jean Lecomte / BiosphotoJPG - RM
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Micrographs of asci of Fusarium lateritium emptied of their

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Micrographies de la formations en chaines d'asques d'Alternaria alternata, depuis des filament mycéliens. 1 - Début de croissance. 2 - Formation des asques. 3 - Asques formés et détachés contenant chacun huit spores. Gros. X 600 - Le Houga - 32 - France - le 08.02.2020.Micrographies de la formations en chaines d'asques d'Alternaria alternata, depuis des filament mycéliens. 1 - Début de croissance. 2 - Formation des asques. 3 - Asques formés et détachés contenant chacun huit spores. Gros. X 600 - Le Houga - 32 - France - le 08.02.2020.Micrographies de la formations en chaines d'asques d'Alternaria alternata, depuis des filament mycéliens. 1 - Début de croissance. 2 - Formation des asques. 3 - Asques formés et détachés contenant chacun huit spores. Gros. X 600 - Le Houga - 32 - France - le 08.02.2020.© Jean Lecomte / BiosphotoJPG - RM
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Micrographies de la formations en chaines d'asques d'Alternaria

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