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pro vyhledávání: '"Russet apple"'
Autor:
Hugh P. Bell
Publikováno v:
Canadian Journal of Research. :560-566
About the time of full bloom, many epidermal cells divide by a tangential wall. Later in June all the epidermal cells become vacuolated and some divide again by tangential walls forming a layer varying from two to four cells thick. Early in July a ca
Autor:
C. R. Phipps
Publikováno v:
Journal of Economic Entomology. 19:466-469
Xanthonia Decem-Notata Say, previously unrecorded in economic literature, has been very destructive to the apple in one district in Maine. It has been recorded for a long time as an unimportant leaf feeder on the oak, beech, and elm. The beetle has a