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The flowers of 3 ornamental Malus species (M. aldenhamensis, M. floribunda and M. cv. Golden Hornet), and the flowers of Cox, Worcester and Lambourne ...
Read moreYear-to-year variation in the risk of spring frost damage during the 20th century was examined with reference to variation in the date when a fixed th...
Read moreIn a cider-apple orchard near Bristol, England, in late January 1972 (Experiment 1) and December 1972 (Experiment 2), fully grown larvae of Cydia pomo...
Read moreConservation biological control aims to control pests by promoting wild populations of natural enemies. One challenge is to attract and retain efficie...
Read moreThese two parts of a series deal with studies in an apple orchard in south-eastern England in 1953-59 on the effect of routine sprays of winter wash (...
Read morePart 1: The influence of routine sprays of winter wash (0.1 % DNOC+3.0% petroleum oil), lime-sulphur and captan on populations of P. ulmi and its pred...
Read more1. Functional and numerical responses are key components in the selection of predators for biological control. We examined the relevance of these resp...
Read moreThese two parts of a series deal with studies in an apple orchard in south-eastern England in 1953-59 on the effect of routine sprays of winter wash (...
Read moreThis complex study investigates causal relationships between biodiversity of insect indicator-insects in soil, on land surface and on trees, and agro-...
Read moreThe effects of single pre-blossom applications of DDT/ BHC and lead arsenate/nicotine on the fauna of apple trees in an orchard which was otherwise ne...
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