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alton n sparks
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Cilt sonuçları
Large-scale field evaluation of electric insect traps to reduce bollworm populations in Reeves County, Texas
Alton N. Sparks · Agricultural Research Service, U.S. Dept. of Agriculture
16 sayfa
Light Insect traps / Lepidoptera
Long-range migration of moths of agronomic importance to the United States and Canada
Alton N. Sparks · U.S. Dept. of Agriculture, Agricultural Research Service
104 sayfa · 1986
Climatic factors / Agricultural pests / Moths / Migration
Corn earworm rearing mechanization
Alton N. Sparks · Dept. of Agriculture, Agricultural Research Service
11 sayfa · 1976
Helicoverpa armigera / Heliothis zea