Experiments were carried out to study the effect of six selected plant extracts viz., Calotropis procera, Azadirachta indica leaf and seed kernel, Allium sativum bulb, Withania somnifera leaf and Solanum suratteuse green berry on mycelial growth and spore germination of Alternaria brassicae in vitro. Influence of these extracts used as foliar sprays on host defense related biochemical parameters i.e. soluble phenol, sugar and protein content, peroxidase, polyphenol oxidase and phenylalanine ammonia lyase activities in mustard leaves was observed. The effect of plant extracts on intensity of...

Boron deficiency is a widespread problem for field crop production where large losses of yield occur annually both quantitatively and qualitatively. Boron deficiency in Vindhyan soils is being increased due to light textured soil, low organic matter content and continuous removal by pulses. The entire area of Vindhyan region is rainfed and about more than 50 percent land is suitable for oil seeds and pulses cultivation in upland topography. Generally, farmers do not apply fertilizers in pulses due to lack of knowledge and as a result productivity of the pulses in this region is quite low. At...