Zobrazeno 1 - 10
of 31
pro vyhledávání: '"W. H. Lange"'
Publikováno v:
Proceedings of the National Academy of Sciences of the United States of America. 92(2)
Tomato lines from diverse breeding programs were evaluated in the field for resistance to a natural infestation of the potato aphid, Macrosiphum euphorbiae, in Davis, CA. It was noted that all lines that carried the nematode-resistance gene, Mi, disp
Autor:
K. S. Goh, W. H. Lange
Publikováno v:
Journal of Economic Entomology. 73:153-158
Populations of Platyptilia carduidactyla (Riley) were studied in Castroville and Carmel Valley, CA, during spring and fall 1977–78. Factors contributing to the mortality of P. carduidactyla are presented in life tables and discussed. The egg-instar
Autor:
W. H. Lange, K. S. Goh
Publikováno v:
Journal of Economic Entomology. 73:113-116
The spatial distribution patterns of the immature stages of Platyptilia carduidactyla (Riley) were studied. Sampling efficiencies for plume moth eggs, larvae and pupae are presented. During vegetative stage of the plant, moth eggs were found mainly o
Autor:
L Bronson, and W H Lange
Publikováno v:
Annual Review of Entomology. 26:345-371
The tomato, Lycopersicon esculentum, is grown around the world, both outdoors and under glass, for fresh market consumption and for processing. It requires protection from a variety of pests, including pathogens, weeds, nematodes, and insects and oth
Influence of Temperature on the Development, Fecundity, and Longevity of the Artichoke Plume Moth 12
Autor:
W. H. Lange, M. A. Bari
Publikováno v:
Environmental Entomology. 9:673-676
Development of the artichoke plume moth, Platyptilia carduidactyla (Riley), was studied at several constant laboratory temperatures ranging from 7°C–31°C. The lower developmental thresholds for egg stage, 4 larval Instars, and pupal stage were de
Autor:
W. H. Lange, K. S. Goh
Publikováno v:
Journal of Economic Entomology. 82:621-625
Samples of microarthropods from artichoke leaves, flower heads, and soil debris were taken from fields where growing conditions were similar except for insecticide treatment; fields were treated in Castroville and untreated in Carmel Valley, Calif. M
Autor:
W H Lange
Publikováno v:
Annual Review of Entomology. 32:341-360
In more than 40 countries, the sugar beet, Beta vulgaris, is an important agricultural asset in that it produces a pure food source, sucrose. World sugar production in 1984-1985, including sugar cane, was 97.5 million metric tons (MMT). In 1983-1984
Autor:
G. E. Haniotakis, W. H. Lange
Publikováno v:
Journal of Economic Entomology. 67:25-28
The probing behavior of M. persicae (Sulzer) on a resistant and a susceptible sugar beet hybrid was studied by means of an electronic recording system and compared with its natural probing behavior on a favored host plant. Significant differences of
Autor:
W. H. Lange
Publikováno v:
Journal of Economic Entomology. 37:392-399
Autor:
W. H. Lange, Elmer C. Carlson
Publikováno v:
Journal of Economic Entomology. 48:61-67