Abstract
Powdery mildew disease of the Black gram, Mung bean and Pea are a major constraint in the production. The resistance of plants to various pathogens depends on synthesis and level of various defence enzymes like hydrolases; peroxidases and antimicrobial compounds like phytoalexins (Kuc, l991 et al Kauffmann et al. l987; Boiler, l987; Mauch et al., l988; Kale and Choudhary 200l, Koche and Choudhary, 2005). The present study focused on visual screening of selected crop cultivars against the powdery mildew and its biochemical correlation with chlorophyll content, sugars, phenols content, PR-proteins and Phytoalexin activities. From the field studies, it was observed that selected crop was found with powdery mildew incidence. This disease incidence data was correlated with biochemical changes and level of chlorophyll, sugars, phenols, PR-protein and Phytoalexin activities.
Highlights
Black gram (Vigna mungo (L.) Green gram (Vigna radiata (L.) Wilczek), Pea (Pisum sativum L.) and
The field experiment reveals that cultivar of black gram, BDU-1 and TAU-1 is showed 3% and 19% disease incidence against powdery mildew 50 days after germination respectively
In cultivar of Green gram LGG, K-851 and cultivars of Pea, JP- 71 and Arkel showed that 5%,37%, 2.7% and 48% disease incidence respectively ( Table.1)
Summary
Black gram (Vigna mungo (L.) Green gram (Vigna radiata (L.) Wilczek), Pea (Pisum sativum L.) and. 6 | Analysis of biochemical changes in cultivars of Black gram, Green gram and Pea against powdery mildew Powdery mildew of (Vigna mungo L.) Black gram Vigna radiata (L.) Wilczek (Green gram) and Pisum sativum L (Pea.) are caused by Erysiphe polygoni DC, and Erysiphe pisi are major diseases.
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