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In this part of a series [cf. preceding abstract, etc.], the authors discuss the climatic traits for the development of populations of Aphis craccivor...
Read moreIn the work reported in this part of a series [cf. RAE/A 60, 2210], various components of the biology of Aphis craccivora Koch, the subterranean clove...
Read moreA new instrument for the estimation of the total length of a washed sample of roots is described. It utilizes a photoelectric method to count the numb...
Read moreThe penetration of light into 5 distinct foliage patterns of tea bushes was studied. The 2 foliage types (semi-erect and horizontal) representing most...
Read moreThe influence of interplanted shade trees on the light regime at the surface of mature tea bushes is described. Most of the light reaching a tea bush ...
Read moreWeed communities sampled at 78 sites on farmland in the upper Belize Valley, British Honduras, showed 148 different weeds present, of which 103 were i...
Read moreBees foraging for nectar on flowers of cultivars with deep corolla tubes and large floral parts found it difficult to reach the inner nectaries. They ...
Read moreThe viability of fruit pollen carried on the body hairs of insects collected in apple orchards was usually similar to that of pollen from freshly dehi...
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...
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