Browsing by Subject "Heliothis"
Now showing items 1-4 of 4
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(Texas A&M University. Libraries, 1987)Campoletis sonorensis is an ichneumonid endoparasitoid of Heliothis virescens larvae. The polydnavirus which occurs in the reproductive tract of C. sonorensis (CsV) has several effects on the host independent of the presence ...
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(Texas A&M University. Libraries, 1993)Insecticides have been applied to cotton in combination with a variety of diluents and agrichemicals. Preliminary studies suggested that one agrichemical or diluent can improve, have no effect, or decrease insecticidal ...
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(Texas A&M University. Libraries, 1988)When high inputs of nitrogen (N) fertilizer and irrigation are used in cotton production, variation in quantity and quality of the crop as food for insect herbivores can result. Field studies were conducted in 1983-85 to ...
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(Texas A&M University. Libraries, 1985)An existing, physically based, one dimensional numerical model for soil temperature and soil water content was adapted and validated with experimental data on soil temperature in the upper 100mm of the profile. A simpler ...