Use of Green Manure Crops in Control of Hirschmanniella mucronata and H. oryzae in Irrigated Rice

Four field experiments were conducted to study the effect of Sesbania rostrata and Aeschynomene afraspera as rotational and green manure crops on the population dynamics of Hirschmanniella mucronata and H. oryzae, and subsequent rice yields. The sequential cropping of the legumes with rice controlle...

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Veröffentlicht in:Journal of nematology. - 1969. - 24(1992), 1 vom: 15. März, Seite 127-32
1. Verfasser: Prot, J C (VerfasserIn)
Weitere Verfasser: Soriano, I R, Matias, D M, Savary, S
Format: Aufsatz
Sprache:English
Veröffentlicht: 1992
Zugriff auf das übergeordnete Werk:Journal of nematology
Schlagworte:Journal Article Aeschynomene afraspera Hirschmanniella mucronata Hirschmanniella oryzae Oryza sativa Sesbania rostrata control green manure nematode rice yield
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245 1 0 |a Use of Green Manure Crops in Control of Hirschmanniella mucronata and H. oryzae in Irrigated Rice 
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520 |a Four field experiments were conducted to study the effect of Sesbania rostrata and Aeschynomene afraspera as rotational and green manure crops on the population dynamics of Hirschmanniella mucronata and H. oryzae, and subsequent rice yields. The sequential cropping of the legumes with rice controlled both nematode species. In two experiments, yield of rice was related to the nematode population denisites at planting and harvesting of the second rice crop (R(2) = 0.391, P < 0.001, and R(2) = 0.57, P < 0.001), regardless of the treatments. Rice yield increases were attributed to nutritional effect of the green manure and the reduction of the nematode populations or the modification of a factor(s) linked to the nematode populations induced by their cropping. As the two leguminous crops do not generate direct return, using them to control the rice-root nematodes was not economical, despite the significant yield increase obtained 
650 4 |a Journal Article 
650 4 |a Aeschynomene afraspera 
650 4 |a Hirschmanniella mucronata 
650 4 |a Hirschmanniella oryzae 
650 4 |a Oryza sativa 
650 4 |a Sesbania rostrata 
650 4 |a control 
650 4 |a green manure 
650 4 |a nematode 
650 4 |a rice 
650 4 |a yield 
700 1 |a Soriano, I R  |e verfasserin  |4 aut 
700 1 |a Matias, D M  |e verfasserin  |4 aut 
700 1 |a Savary, S  |e verfasserin  |4 aut 
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