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Effect of temperature and relative humidity on spore germination of Alternaria brassicae and development of Alternaria blight on oilseed crucifers



Effect of temperature and relative humidity on spore germination of Alternaria brassicae and development of Alternaria blight on oilseed crucifers



Review of tropical plant pathology Volume 5: 79-84



Spore germination of A. brassicae increased with temp. from 5 degrees to 23 degrees C, above which it declined. The opt. temp. for spore germination was 23 degrees. Spore germination did not occur at RH <84% and increased with RH to a max. at 100% RH. Disease development on Brassica campestris var.

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