Population dynamics of natural enemies in cowpea Singh Chanchal*, Singh N. N.1 Banda University of Agriculture and Technology, Banda (Uttar Pradesh) 1Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, 221005 *Corresponding author Email: chanchalsingh9@gmail.com
Online published on 23 July, 2019. Abstract The present study provides the observations obtained from the field experiment on the population dynamics of natural enemies in cowpea carried out in 2009–2010 and 2010–2011 at the Banaras Hindu University, Varanasi. The results revealed that two natural enemies namely lady bird beetle and spider were observed from standard week 19 to 26 during zaid, and from standard week 37 to 46 during kharif. Both positive as well as negative relationships with weatherfactors were observed forthe natural enemies'populations. Top Keywords Cowpea, lady bird beetle, spider, weather factors, population dynamics, standard weeks, occurrence, relationships. Top |