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This document describes the development and testing of the current probabilistic blackfly outbreak model, by including water temperature and turbidity...Read more
Twelve-year old cv. Valencia orange trees were subjected to a single water stress, under field conditions at Tacna, Arizona, inducing leaf water poten...Read more
Discusses the theory of canopy flow models, and gives wind profiles measured at various heights in an unthinned stand of Sitka Spruce in Scotland, and...Read more
The relationship between leaf conductance and environmental variables was examined during two summers in 22-year-old Shamouti orange trees. Soil water...Read more
The ITACA project "Technical and scientific answers to new orchards converting to Organic Agriculture", a two-years project financed by the Italian Mi...Read more
The flowers of 3 ornamental Malus spp. (M. aldenhamensis, M. floribunda cv. Hillierii and M. cv. Golden Hornet) and of cvs Cox's Orange Pippin, Worces...Read more
Patterns of light interception, in both time and space, were measured during 1973 and 1974 in apple orchards. Several planting systems were investigat...Read more
1. In order to realize the full potential of natural enemies in integrated pest management, it is necessary to understand their population dynamics, p...Read more
Habitat manipulation is important for enhancing biological control of arthropod pests, but identification of selective food plants that benefit only n...Read more
Field surveys of egg populations of Cryptophlebia leucotreta and the egg parasitoid Trichogrammatoidea cryptophlebiae native to southern Africa, were ...Read more