TY - BOOK AU - Jayanth,K.P. TI - Bio-ecological & physiological studies on the insect zygogramma bicolorata p. & evaluation of its potential in controlling the weed Parthenium hysterophorus L KW - Asteraceae KW - parthenium argentatium KW - noxious plants KW - aquatic weeds KW - plants KW - weed control ER -