Zobrazeno 1 - 10
of 33
pro vyhledávání: '"George S. Langford"'
Publikováno v:
Journal of Economic Entomology. 37:253-257
Autor:
George S. Langford, Ernest N. Cory
Publikováno v:
Journal of Economic Entomology. 28:257-260
Publikováno v:
Journal of Economic Entomology. 44:197-201
Publikováno v:
Journal of Economic Entomology. 35:165-169
Publikováno v:
Journal of Economic Entomology. 36:248-252
Publikováno v:
Journal of Economic Entomology. 43:198-202
Publikováno v:
Journal of Economic Entomology. 32:255-259
Autor:
George S. Langford
Publikováno v:
Journal of Economic Entomology. 30:320-323
Autor:
George S. Langford, Ernest N. Cory
Publikováno v:
Journal of Economic Entomology. 25:625-634
On three occasions during the past nine years the potato tuber moth (Phthorimaea Operculella) has caused economic losses to potato growers in Worcester and Somerset Counties. During two years, 1925 and 1930, the damage was serious. In 1929 it was sli
Autor:
George S. Langford
Publikováno v:
Journal of Economic Entomology. 34:13-16