Root exudates of wheat and oats which has detrimental effects on wild mustard con tain a). Phenolic acid b). Alkaloids c). Sulphides d). Lactones Answer : a). Phenolic acid...
Root exudates of which crop has allelo pathic effect on Chenopodium album? a). Wheat b). Oat c). Pea d). All Answer : d). All...
Trap crop for Cuscuta sp a). Small grains b). Chickpea c). Mustard d). All Answer : d). All...
Striga densiflora and Orobanche aegyptica are the weeds of a). Rice and Wheat b). Sugarcane and Mustard c). Wheat and Sugarcane d). Oats and Rice Answer : b). Sugarcane and Mustard...
2,4-D is injurious to a). Cotton b). Mustard c). Chickpea d). All Answer : d). All...
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