majestic
发表于 2025-4-1 03:08:00
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诗集
发表于 2025-4-1 06:16:21
Investigations on Gummosisruit trees is contagious”.). Therein he stated that he had succeeded (at Wageningen) in producing gummosis in a completely healthy peach tree, by inserting small pieces of gum from a gum-diseased tree under the bark of the healthy specimen. Control experiments with similar wounds, but in which no gu
membrane
发表于 2025-4-1 10:56:57
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