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Discriminant functions for discriminating between standard and compact mutants of young Delicious apple trees were computed on the basis of 5 simple m...
Read moreThe apple orchards studied had discontinuous bush-and hedge-type canopies of mean leaf-area indexes of 1-1-4. These values were low, owing to the exis...
Read moreDuring 1971 micro-meteorological measurements were made in March, May, July, August and October in a 7-year-old hedgerow-type apple orchard. The albed...
Read moreThe amount of pollen of the appropriate species borne on the body of an insect is presumed to be an important factor in assessing its value as a polli...
Read moreIn investigations in cider-apple orchards in southern England in winter 1971-73, groups of up to 30 larvae of Cydia pomonella (L.) were allowed to spi...
Read moreSample size estimates for monitoring population densities of Tetranychus urticae and Panonychus ulmi in apple orchards in South Africa were derived fr...
Read moreThe populations of Operophtera brumata (L.) on 8 cider apple trees of 4 cultivars were monitored from October 1972 until May 1975 in Western England. ...
Read moreThe numbers of honey and solitary bees visiting 5 varieties of apple growing in the same orchard were correlated with the abundance of their flowers. ...
Read moreBiological pest control, relying on naturally occurring predator-prey dynamics, is considered a key element to achieve more sustainable farming system...
Read moreBiological pest control is gaining greater acceptance as an important part of integrated pest management for sustainable agriculture. However, knowled...
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