Fig. 1From: Tri-trophic interactions among nitrogen-fertilized tomato cultivars, the tomato fruit worm, Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae) and the ectoparasitoid, Habrobracon hebetor (Say) (Hymenoptera: Braconidae)Linear regression between pre-adult duration of H. armigera and H. hebetor on six tomato cultivars with four nitrogen levels. K=Kingston, RG=Riogrand, E=Earlyurbana, R=Redston, SB=Superstrin-B, P=PrimoealyBack to article page