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The effect of nematicide on root invasion by Meloidogyne graminicola and Heterodera sacchari

The effect of nematicide on root invasion by Meloidogyne graminicola and Heterodera sacchari SHORT COMMUNICATIONS H. Y. MOHAMMAD & N. G. M. HAGUE: The effect of nematicide on root invasion by Meloidogyne graminicola and Heterodera sacchari. The effects of non-volatile nematicides on various stages of the nematode life cycle have been investigated in a number of species (McLeod & Khair, 1975; Hough & Thomason, 1975; Wright et al., 1980; Evans & Wright, 1982). Non- volatile nematicides are known to act by impairing nematode neuromuscular activity and sensory activity rather than by direct lethal action (Wright & Womack, 1981) and to exert their effect in the soil (Bromilow & Lord, 1979). In this paper the effect of the carbamate carbofuran and the oxime- carbamate oxamyl on two species of tropical nematodes, Meloidogyne graminicola and Heterodera sacchari are compared. The nematodes were cultured on barnyard grass, Echinochloa colonum, at 25°C ± 2° in a greenhouse. In a preliminary experiment the rate at which both species invaded E. colonum was determined with egg masses of M. graminicola and white females of H. sacchari. For M. graminicola, two egg masses containing a mean of 514 eggs per egg mass and for H. sacchari, two white females contain- ing a mean of 566 eggs per female http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nematologica Brill

The effect of nematicide on root invasion by Meloidogyne graminicola and Heterodera sacchari

Nematologica , Volume 33 (2): 4 – Jan 1, 1987

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Publisher
Brill
Copyright
Copyright © Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0028-2596
eISSN
1875-2926
DOI
10.1163/187529287X00371
Publisher site
See Article on Publisher Site

Abstract

SHORT COMMUNICATIONS H. Y. MOHAMMAD & N. G. M. HAGUE: The effect of nematicide on root invasion by Meloidogyne graminicola and Heterodera sacchari. The effects of non-volatile nematicides on various stages of the nematode life cycle have been investigated in a number of species (McLeod & Khair, 1975; Hough & Thomason, 1975; Wright et al., 1980; Evans & Wright, 1982). Non- volatile nematicides are known to act by impairing nematode neuromuscular activity and sensory activity rather than by direct lethal action (Wright & Womack, 1981) and to exert their effect in the soil (Bromilow & Lord, 1979). In this paper the effect of the carbamate carbofuran and the oxime- carbamate oxamyl on two species of tropical nematodes, Meloidogyne graminicola and Heterodera sacchari are compared. The nematodes were cultured on barnyard grass, Echinochloa colonum, at 25°C ± 2° in a greenhouse. In a preliminary experiment the rate at which both species invaded E. colonum was determined with egg masses of M. graminicola and white females of H. sacchari. For M. graminicola, two egg masses containing a mean of 514 eggs per egg mass and for H. sacchari, two white females contain- ing a mean of 566 eggs per female

Journal

NematologicaBrill

Published: Jan 1, 1987

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