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The procedure adopted in an attempt to identify bushes which would produce high-yielding clones is described. In a six-month study in Kericho, Kenya, ...
Read moreTwo cultivars of barley, one resistant and one susceptible to aphids, were grown in pots in mono- or mixed culture in the laboratory, and either infes...
Read moreBulk density and soil penetration resistance was linearly related to the log of the number of passages of a car, up to 256 passages, and of walkers, u...
Read moreThe influence of competition on ramet populations of C. esculentus was studied experimentally at a site near Harare, Zimbabwe. A range of ramet densit...
Read moreThe public debate about genetically modified organisms has concentrated largely on concerns about food safety and potential risks to the environment. ...
Read moreIn a study at Craigellachie Forest, Scotland, during 1978-79, covering 5 soil types and 5 provenances planted in the early 1960s, pupal numbers of Pan...
Read moreIn the presence of certain phyllosphere bacteria, aqueous washings of the foliage of Camelina sativa contained allelopathic chemicals. Investigations ...
Read moreVeronica filiformis was established from 2-node fragments and spread naturally by further fragmentation equally well on bare soil and in a grass sward...
Read moreThe recreation of species-rich grassland represents a key EU agri-environment policy initiative intended to maintain native biodiversity and to suppor...
Read moreIt has been suggested that genetic modification could lead to crops with enhanced invasiveness and persistence. These new genotypes could invade natur...
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