Codling Moth Control by the Sterility Method in Twenty-One British Columbia Orchards12

1977 ◽  
Vol 70 (5) ◽  
pp. 667-671 ◽  
Author(s):  
M. D. Proverbs ◽  
J. R. Newton ◽  
D. M. Logan
1979 ◽  
Vol 111 (5) ◽  
pp. 627-630 ◽  
Author(s):  
H.F. Madsen ◽  
B.E. Carty

AbstractSex pheromone traps to control codling moth by male removal was evaluated in three orchards in the Okanagan Valley. The program was successful in only one of the three orchards. This orchard is completely isolated and codling moth control has been obtained for 5 years. In a second orchard, codling moth populations were reduced by sprays prior to the male removal program. The program was successful in 1977, as the per cent injured fruit was only 0.6. In 1978, the codling moth capture rose sharply and at harvest the per cent injured fruit was 8.0. There was a high infestation in the third orchard when the program was initiated, and in 1976, the per cent injured fruit dropped to 10.4% from 60.0 in 1975. The per cent fruit injured by codling moth rose to 37.4 in 1977 and to 60.2 in 1978 under the male removal program. Our data show that this method of control is effective only under special circumstances, where codling moth populations are low and where isolation precludes reinfestation.


2006 ◽  
Vol 34 (3) ◽  
pp. 494-500 ◽  
Author(s):  
Bob Vernon ◽  
Howard Thistlewood ◽  
Scott Smith ◽  
Todd Kabaluk

1976 ◽  
Vol 108 (1) ◽  
pp. 77-81
Author(s):  
R. S. Downing ◽  
J. C. Arrand

AbstractIn 1965, strains of the predaceous phytoseiid mite, Typhlodromus occidentalis Nesbitt, had developed resistance to azinphosmethyl, one of the organophosphate insecticides used to control the codling moth, Laspeyresia pomonella (L.). From 1966 to 1968, trials with integrated mite control in growers’ orchards were carried out successfully preserving the predator T. occidentalis. In most cases, an application of oil at the half-inch green bud stage was applied. The integrated concept of orchard mite control was recommended to the British Columbia fruit industry in 1969 and gained wide acceptance. In 1974, a survey of eight of the original integrated control orchards revealed that none of them had been treated with a summer acaricide since 1968. In six orchards, application of oil at the half-inch green bud stage had been used annually but two had not even received the oil spray. In all the orchards there was a good biological balance of a few predators and a few prey.


1962 ◽  
Vol 94 (3) ◽  
pp. 225-233 ◽  
Author(s):  
M. D. Proverbs ◽  
J. R. Newton

This is the first of a series of papers dealing with investigations that were commenced in 1956 at Summerland, British Columbia, to determine if the codling moth, Carpocapsa pomonella (L.), could be eradicated in the interior of British Columbia by the release of sexually sterile male moths.One of the most important prerequisites for the success of this method is the development of a technique that will sterilize the male without seriously affecting its behaviour, particularly mating ability and longevity. Complete or almost complete sterility has been induced in one or both sexes of certain species of insects by feeding them chemicals (LaBrecque et al., 1960), or by exposing them to X- or gamma rays (Bushland and Hopkins, 1953), or by subjecting them to abnormally high temperatures (Riordan, 1957).


1957 ◽  
Vol 89 (2) ◽  
pp. 94-96 ◽  
Author(s):  
June M. Stephens

Trials to determine the extent of fruit protection given by spraying spores of Bacillus cereus Frankland and Frankland on apple trees exposed to natural attack from the codling moth, Carpocapsa pomonella (L.), were carried out in the experimental apple orchard of the Entomology Laboratory at Summerland, British Columbia. Heavy injury was expected there on trees not receiving commercial insecticide applications. Ten test and ten check trees were chosen at random. Check trees received no treatment of any kind. Test trees were treated with six sprays between May 26 and June 29, 1954, and five between August 5 and September 8, 1954.


1982 ◽  
Vol 114 (11) ◽  
pp. 1083-1088 ◽  
Author(s):  
H. F. Madsen ◽  
B. J. Madsen

AbstractA 2-year study was conducted in an organic, essentially pesticide-free orchard and in one which followed a complete pesticide program to assess populations of beneficial arthropods. There were far more beneficial species in the pesticide-free orchard both on the trees and in the cover crop. Spiders increased dramatically in the organic orchard and relatively few spiders were found in the sprayed orchard. Pest species were below treatment thresholds in both orchards with the exception of codling moths. By the second season, codling moth injury was so severe in the organic program that the non-pesticide program had to be abandoned.


Sign in / Sign up

Export Citation Format

Share Document