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Juglandis regia Stock Photos and Images
RM2T958WP–walnut (Juglans regia), damagee on walnut tree, Marssonina disease, Xanthomonas juglandis and Rhagoletis completa, Germany
RF2FM6NCA–Large walnut aphid (Panaphis juglandis) on the upper side of leaf of walnut (Juglans regia) nymphs and adults.
RMC47F6P–Walnuts and leaves infected with fungal plant pathogen Gnomonia leptostyla, Marssonina juglandis.
RMRFRFRN–. Carnegie Institution of Washington publication. . Walnut disease. Bacterial black spol of the Persian walnut (Juglans regia). more commonly known as the English walnut. Hall-developed green fruits from an orchard in California, snowing the badly spotted epicarp ; spots due to Bactenum juglandis (Pierce). Leaves and shoots are also subject to this disease, which has become serious in Southern California, where large quantities of these nuts are grown for market. The attacked parts are conspicuously blackened as if charred. The numerous small white spots show the location of groups of stomata.
RMMAAH9T–. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz . Fusicoccum Juglandis C. Massalongo a. Ein Zweigstückchen von Juglans regia mit dem Pilze, schwach vergrössert. b u. c. Zwei stark vergrösserte Frucht- gehäuse mit zwei und drei Kammern. d. Ein Theil des Hymeniums mit Sporen- trägern, Sporen und Paraphysen. Alles nach C. Massalongo, Funghi della provincia di Ferrara, Tab. Fig. I.
RF2FM6NC4–Large walnut aphid (Panaphis juglandis) on the upper side of leaf of walnut (Juglans regia) nymphs and adults.
RMC47F10–Walnut leaves (Juglans Regia) and walnuts with fungal plant pathogen Gnomonia leptostyla, Marssonina juglandis infection.
![. Bacteria in relation to plant diseases. Bacteriology; Plant diseases. PLATE 2]. Walnut disease. Bacterial black spot of the Persian walnut (Juglans regia). more commonly known as the English walnut. Half-developed green h-uits from an orchard in California, showing the badly spotted epicarp ; spots due to Bacterium juglandis (Pierce). Leaves and shoots are also subject to this disease, which has become serious in Southern California, where large quantities of these nuts are grown for market. The attacked parts are conspicuously blackened as if charred. The numerous small white spots show the Stock Photo](https://c8.alamy.com/comp/RDR7XX/bacteria-in-relation-to-plant-diseases-bacteriology-plant-diseases-plate-2-walnut-disease-bacterial-black-spot-of-the-persian-walnut-juglans-regia-more-commonly-known-as-the-english-walnut-half-developed-green-h-uits-from-an-orchard-in-california-showing-the-badly-spotted-epicarp-spots-due-to-bacterium-juglandis-pierce-leaves-and-shoots-are-also-subject-to-this-disease-which-has-become-serious-in-southern-california-where-large-quantities-of-these-nuts-are-grown-for-market-the-attacked-parts-are-conspicuously-blackened-as-if-charred-the-numerous-small-white-spots-show-the-RDR7XX.jpg ". Bacteria in relation to plant diseases. Bacteriology; Plant diseases. PLATE 2]. Walnut disease. Bacterial black spot of the Persian walnut (Juglans regia). more commonly known as the English walnut. Half-developed green h-uits from an orchard in California, showing the badly spotted epicarp ; spots due to Bacterium juglandis (Pierce). Leaves and shoots are also subject to this disease, which has become serious in Southern California, where large quantities of these nuts are grown for market. The attacked parts are conspicuously blackened as if charred. The numerous small white spots show the Stock Photo")
RMRDR7XX–. Bacteria in relation to plant diseases. Bacteriology; Plant diseases. PLATE 2]. Walnut disease. Bacterial black spot of the Persian walnut (Juglans regia). more commonly known as the English walnut. Half-developed green h-uits from an orchard in California, showing the badly spotted epicarp ; spots due to Bacterium juglandis (Pierce). Leaves and shoots are also subject to this disease, which has become serious in Southern California, where large quantities of these nuts are grown for market. The attacked parts are conspicuously blackened as if charred. The numerous small white spots show the
RF2FM6NC3–Large walnut aphid (Panaphis juglandis) on the upper side of leaf of walnut (Juglans regia) nymphs and adults.
RMREFMY1–. Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz. Cryptogams -- Germany; Cryptogams -- Austria; Cryptogams -- Switzerland. Fusicoccum Juglandis C. Massalongo a. Ein Zweigstückchen von Juglans regia mit dem Pilze, schwach vergrössert. b u. c. Zwei stark vergrösserte Frucht- gehäuse mit zwei und drei Kammern. d. Ein Theil des Hymeniums mit Sporen- trägern, Sporen und Paraphysen. Alles nach C. Massalongo, Funghi della provincia di Ferrara, Tab. Fig. I.. Fusicoccum Farlowianum Sacc. et Eoura. a. Ein Stückchen faules Holz mit dem Pilze in natürlicher Grösse. h, c
RF2FM6NC0–Large walnut aphid (Panaphis juglandis) on the upper side of leaf of walnut (Juglans regia) nymphs and adults.
RMRCHGDR–. Die Pflanzenfeinde aus der Klasse der Insekten. Ein nach Pflanzenfamilien geordnetes Handbuch sämmtlicher auf den einheimischen Pflanzen bisher beobachteten Insekten zum Gebrauch für Entomologen, Insektensammler, Botaniker, Land- und Forstwirthe und Gartenfreunde. Beneficial insects; Insect pests. 98 Klasse I. Zweinamenhlättrige Pflauzeu. 15, Lecanium Juglandis, Bc. Nach Hofgärtner Bouche lebt diese Scliildlaus au deu Zweigen und Aasten von Juglans regia und J. nigra. Die kleinen geflügelten Männchen erscheinen Ende April und Mai. XXIY. Familie. Kreuzdorngewäclise. Ehamnaceae. 1. Gatt
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