Results 101 to 110 of about 1,256 (200)

Investigations on the control of codling moth on the payne walnut in central California

open access: yesCalifornia Agriculture, 1947
The codling moth, Carpocapsa pomonella, occurs throughout California and is one of the most important pests of walnuts.
A Michelbacher, W Middlekauff
doaj  

Northern California walnuts: Environmental resistance a factor in the control of codling moth populations shown in tests at Linden

open access: yesCalifornia Agriculture, 1950
Control of the codling moth on susceptible varieties of walnuts usually requires spray applications each year.
A Michelbacher, W Middlekauff, D Davis
doaj  

Codling moth on walnuts in '55: Downward trend in infestations of 1955 in northern California not uniform and need of control treatments in 1956 indicated

open access: yesCalifornia Agriculture, 1956
The codling moth was less destructive—generally—to northern California walnuts in 1955 than in 1954.
A Michelbacher, E Oatman
doaj  

Walnut pest studies, 1950: Conventional and air carrier sprayers compared in codling moth and aphid control for northern California

open access: yesCalifornia Agriculture, 1951
Efficiency of the codling moth and aphid control program depends to some extent on the type of sprayer used.
A Michelbacher, O Bacon, W Middlekauff
doaj  

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