Population dynamics, root penetration, and feeding behavior of Pratylenchus agilis in monoxenic root cultures of corn, tomato, and soybean

Population dynamics, rate of root penetration, and external root feeding behavior of Pratylenchus agilis (Pa) in monoxenic cultures of intact corn seedlings and root explants of corn, tomato, and soybean were studied. In descending order of suitability as hosts were I. O. Chief corn, Rutgers tomato,...

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Bibliographic Details
Published in:Journal of nematology 1986-07, Vol.18 (3), p.392-397
Main Authors: Rebois, R.V, Huettel, R.N
Format: Article
Language:English
Subjects:
COMPORTEMENT ALIMENTAIRE
CULTIVO DE TEJIDOS
CULTURE DE TISSUS
DINAMICA DE LA POBLACION
DYNAMIQUE DES POPULATIONS
FEEDING HABITS
GLYCINE MAX
HABITOS ALIMENTARIOS
HOST PARASITE RELATIONSHIPS
LYCOPERSICON ESCULENTUM
PARASITISM
PARASITISME
PARASITISMO
POPULATION DYNAMICS
PRATYLENCHUS
TISSUE CULTURE
ZEA MAYS
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Summary:Population dynamics, rate of root penetration, and external root feeding behavior of Pratylenchus agilis (Pa) in monoxenic cultures of intact corn seedlings and root explants of corn, tomato, and soybean were studied. In descending order of suitability as hosts were I. O. Chief corn, Rutgers tomato, and Williams soybean. Soybean entries Kent, Pickett 71, PI 90763, and Essex were poor hosts. Numbers of eggs and vermiform Pa in the agar medium indicated total fecundity and host suitability. Agar, sand, or soil as support media did not appear to affect Pa root penetration, but the rate of corn root growth did. Whereas most vermiform Pa and eggs were in roots, substantial numbers appeared able to feed and complete their life cycle as ectoparasites on root epidermal cells and root hairs.
ISSN:0022-300X
2640-396X