STUDIES ON ROOT-KNOT NEMATODES OF THE GENUS MELOIDOGYNE IN THE GOLD COAST PART I. COMPARATIVE DEVELOPMENT ON SUSCEPTIBLE AND RESISTANT HOST SPECIES 1) BY F. C. PEACOCK University College of the Gold Coast, Achimota 2) Factors influencing the host-parasite relationship have been shown to be environment, host suitability, and specificity of the eelworm po- pulation (GODFREY IC?3I, GODFREY and OLIVEIRA 1932, TYLER 1933 ). BARRONS (1939) suggested that larvae enter the roots of resistant plants as readily as they do those of susceptible plants, but fail to develop in the former. SASSER and TAYLOR (1952) showed that, in addition to normal entry and development of root-knot larvae, there is also (i) failure to enter roots, (ii) entry of reduced numbers with little or no development, (iii) entry of large numbers with varying degrees of development ranging from none to a few individuals reaching maturity, and concluded that resistance was not of the same nature in all plants. MACBETH and TAYLOR Ig44) have shown that Crotalaria spectabilis Roth reduced the severity of root-knot on tobac- co grown subsequently. STEVENSON and JONES (1953) list root-knot resistant varieties of cowpea, soybeans, and peppers. The development of a root-knot nematode population on
Nematologica – Brill
Published: Jan 1, 1
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