Root Size as a Factor in the Tolerance of Six Cucurbits to Meloidogyne Javanica Infection

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Date
1978
Authors
Ogbuji R. O.
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Abstract
Galling is the dominant symptom 'of root infection by Meioiaogyne spp. In the field, heavily infected plants usually are conspicuous because of their reduced, unthrifty growth and a tendency to wilt on, warm days. Roots are deformed and inefficient so they do not fully utilize water 'and nutrients from as large a volume of soil as an uninfected root system lHJJ. Infection of cucurbits by M. incognita, M. javanica rund M. arenaria have been reported by ihomason and McKinney [11], Sasser [7] and Goodey et at. [3. But if a plant is infected by a high number of actively reproducing nematodes and shows little indication of injury, It is tolerant [121. The Purpose of this trial, therefore, is to investigate a factor in host tolerance. Growth of six cucurbits inoculated With M. javanica is compared with their untreated counte11parts.
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East African Agricultural And Forestry Journal, 43 (No. 4), p. 408-410
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