Browsing by Subject "Heliothis zea"
Now showing items 1-6 of 6
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(Texas A&M University. Libraries, 1976)Comparative in vitro measurements of ali-esterase (Ali-E), microsomal mixed-function oxidases (MFO), and glutathione-dependent S-aryl transferase activities, were conducted utilizing third- and fifth-instar and full grown ...
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(Texas A&M University. Libraries, 1977)A series of laboratory, greenhouse and field studies were conducted to assess the feasibility of using Chrysopa carnea Stephens for controlling populations of the bollworm, Heliothis zea (Boddie), and the tobacco budworm, ...
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(Texas A&M University. Libraries, 1987)The relationship between the diet of phytophagous insects and susceptibility to insecticides is complex. This dissertation attempted to shed light on several aspects of this relationship with Heliothis zea. The objectives ...
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(Texas A&M University. Libraries, 1986)Predation rates of Heliothis zea (Boddie) (Lepidoptera: Noctuidae) eggs located on cotton plants were determined by placing ³²P labelled H. Zea eggs on different plant structures throughout the plants. Egg predation averaged ...
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(Texas A&M University. Libraries, 1985)Field, greenhouse and laboratory studies were conducted to determine the effect of cotton trichome density on parasitism and predation of Heliothis zea (Boddie) eggs. In a no-choice field test of three cotton phenotypes ...
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(Texas A&M University. Libraries, 1976)Field studies were conducted to identify the role of host and host phenology in the population dynamics of the bollworm with special emphasis on some of the factors determining the timing and magnitude of the infestations ...