Insecticide resistance and concomittant field failure to control the diamondback moth (DBM), Plutella xylostella were first recorded in 1968 in Punjab. Studies carried out in different states like Tamil Nadu, Karnataka, Madhya Pradesh, Punjab, indicate that fenvalerate, quilnalphos and monocrotophos resistance are now ubiquitous in Plutella xylostella. In Tamil Nadu, the discriminating dose tec...

Few studIies have been conducted on adenosine triphosphatase (ATPase) in plant mitochondria (3, 5. 6). ATPase activity is important in plant metabolism since it results in the loss of the energy of ATI , and is therefore closely associated with reactions involving phosphorylation and utilization of or requiremiients for ATP. The ternm ATPase is being use(l lhere as defined by Potter (10) to ind...