Influence of droplet size, solar ultraviolet light and protectants, and other factors on the efficacy of baculovirus sprays against Panolis flammea (Schiff.) (Lepidoptera; Noctuidae)

additif additives aditivos baculoviridae enemigos naturales ennemi naturel environmental factors escocia facteur du milieu factores ambientales formulaciones formulation formulations insecticidas insecticide insecticides microbial pesticides natural enemies pesticide microbien pinus contorta plaguicidas microbianos scotland