Yazar
Douglas Everett Bryan
3 cilt bulundu.
Cilt sonuçları
Rearing cotton insect parasites in the laboratory
Douglas Everett Bryan · Agricultural Research Service; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.
13 sayfa · 1969
Parasitic insects / Cotton / Insect rearing / Diseases and pests
Releases of Bracon kirkpatricki (Wilkinson) and Chelonus blackburni Cameron for pink bollworm control in Arizona
Douglas Everett Bryan · Agricultural Research Service, U.S. Dept. of Agriculture
22 sayfa · 1973
Cotton / Pink bollworm / Biological control / Diseases and pests