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Correlation Of Trichome Density And Length And Polyphenol Fluorescence With Susceptibility Of Five Cucurbits To Didymella Bryoniae, Gabriel Rennberger, A. P. Keinath, M. Hess
Correlation Of Trichome Density And Length And Polyphenol Fluorescence With Susceptibility Of Five Cucurbits To Didymella Bryoniae, Gabriel Rennberger, A. P. Keinath, M. Hess
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The fungal pathogen Didymella bryoniae causes gummy stem blight and black rot on a broad spectrum of cucurbits. However the substantial differences in susceptibility among Cucurbitaceae are not well studied. Susceptibility was characterized with muskmelon (Cucumis melo), watermelon (Citrullus lanatus), cucumber (Cucumis sativus), pumpkin (Cucurbita pepo), and zucchini (C. pepo). Lesion diameters on leaf disks inoculated with agar plugs were measured 7 days after inoculation, and the necrotized areas of leaf disks inoculated with conidial suspensions were measured 48 h after inoculation (hai). For each species, the number of trichomes …