Zobrazeno 1 - 1
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pro vyhledávání: '"R. E. Deshon"'
Publikováno v:
Journal of Applied Entomology. 104:121-130
The influence of foliar nitrogen levels in Douglas-fir Pseudotsuga menziesii (Mirb.) on various biological characteristics of the young instars of the western spruce budworm, Choristoneura occidentalis Freeman, was studied. Seedlings were grown under