1992•Plant PathologyRequires access
Effect of powdery mildew ( Erysiphe pisi ) on nodulation and nitrogenase activity in pea ( Pisum sativum )
U. P. Singh, Gaurav Mishra
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Abstract
The effects of powdery mildew ( Erysiphe pisi) disease of pea (Pisum sativum) on the number and size of root nodules and on nitrogenase activity were investigated in pea plants grown in pots and in the field. There were significant reductions in nodulation and in the size of root nodules as well as in nitrogenase activity in infected plants.