Meloidogyne Oryzae N. Sp. (Nematoda, Meloidogynidae) Infesting Irrigated Rice in Surinam (South America)

Meloidogyne Oryzae N. Sp. (Nematoda, Meloidogynidae) Infesting Irrigated Rice in Surinam (South... MELOIDOGYNE ORYZAE N. SP. (NEMATODA, MELOIDOGYNIDAE) INFESTING IRRIGATED RICE IN SURINAM (SOUTH AMERICA) BY P. W. TH. MAAS 1, HETTY SANDERS 2 and JANNIE DEDE 1 1 Plantenziektenkundige Dienst, Wageningen, the Netherlands, and 2 Landbouwhogeschool, Wa- geningen, the Netherlands Meloidogyne oryzae n. sp. is described from rice. It is distinguished by the second-stage larvae 500-615 µm long. It differs from its closest relative M. graminicola by longer second-stage larvae and males with longer stylets, by the dilated rectum in second-stage larvae, and by the more clearly offset lip region in females. It reproduces on rice, Fimbristylis-grass, wheat, tomato and potato, but not on maize, cotton, peanut, sweet pepper, sweet potato, and water melon. Root-knot nematode infestation in irrigated rice was observed at the Wage- ningen rice scheme in Surinam in 1971. Infested plants were stunted and showed root-knots of 2 to 3 mm. Tillering was reduced and the leaves were attacked by Helmintho.rporium oryzae, a weakly parasitic fungus. Though infestation always occurred at the higher spots within a field, the nematode appeared to be very well adapted to irrigated rice (Van Halteren, 1972). Morphological and hostplant studies were carried out with two living popula- tions of this rice http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nematologica Brill

Meloidogyne Oryzae N. Sp. (Nematoda, Meloidogynidae) Infesting Irrigated Rice in Surinam (South America)

Nematologica, Volume 24 (3): 305 – Jan 1, 1978

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Publisher
Brill
Copyright
© 1978 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0028-2596
eISSN
1875-2926
D.O.I.
10.1163/187529278X00272
Publisher site
See Article on Publisher Site

Abstract

MELOIDOGYNE ORYZAE N. SP. (NEMATODA, MELOIDOGYNIDAE) INFESTING IRRIGATED RICE IN SURINAM (SOUTH AMERICA) BY P. W. TH. MAAS 1, HETTY SANDERS 2 and JANNIE DEDE 1 1 Plantenziektenkundige Dienst, Wageningen, the Netherlands, and 2 Landbouwhogeschool, Wa- geningen, the Netherlands Meloidogyne oryzae n. sp. is described from rice. It is distinguished by the second-stage larvae 500-615 µm long. It differs from its closest relative M. graminicola by longer second-stage larvae and males with longer stylets, by the dilated rectum in second-stage larvae, and by the more clearly offset lip region in females. It reproduces on rice, Fimbristylis-grass, wheat, tomato and potato, but not on maize, cotton, peanut, sweet pepper, sweet potato, and water melon. Root-knot nematode infestation in irrigated rice was observed at the Wage- ningen rice scheme in Surinam in 1971. Infested plants were stunted and showed root-knots of 2 to 3 mm. Tillering was reduced and the leaves were attacked by Helmintho.rporium oryzae, a weakly parasitic fungus. Though infestation always occurred at the higher spots within a field, the nematode appeared to be very well adapted to irrigated rice (Van Halteren, 1972). Morphological and hostplant studies were carried out with two living popula- tions of this rice

Journal

NematologicaBrill

Published: Jan 1, 1978

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