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In apple orchards, the use of pesticides such as pyrethroids for the control of lepidopteran and dipteran pests can severely disturb natural equilibri...
Read moreThe following is virtually the author's summary of this part of a series on investigations in south-eastern England [cf. RAE A 57 889, etc.]. The effe...
Read moreIntraspecific variation in susceptibility to simazine was examined in 46 different populations of Senecio vulgaris collected from various fruit growin...
Read moreHoney-bee colonies in fruit orchards (apple and plum) often collect much dandelion pollen. Bees visiting dandelion become conditioned to it and, even ...
Read morePart II: P. ulmi hatched 4-5 weeks before B. angulatus, and in years when the predator severely checked the mite predation was effective at the beginn...
Read moreIn a study in an unsprayed cider-apple orchard in Bristol, England, on the importance of egg predation in the population dynamics of Cydia pomonella (...
Read moreIn an apple orchard in south-western England where tits (Parus spp.) ate 95% of the overwintering larvae of Cydia pomonella (L.), only 35% of the surv...
Read moreThree important questions concerning the basic cause of the injuriousness of Tetranychid mites in Australian commercial orchards are whether insectici...
Read moreFollowing a DDT spray in July 1957, which almost eliminated the predatory Blepharidopterus angulatus from 1/4-acre orchard plots, the population of Pa...
Read moreHabitat manipulation is important for enhancing biological control of arthropod pests, but identification of selective food plants that benefit only n...
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