Journal of Nematology (2004) 36, 42-48

J.L. Padgham, J.M. Duxbury, A.M. Mazid, G.S. Abawi and M. Hossain (2004)
Yield loss caused by Meloidogyne graminicola on lowland rainfed rice in Bangladesh
Journal of Nematology 36 (1), 42-48
Abstract: The impact of Meloidogyne graminicola on growth and yield of lowland rainfed rice was assessed with and without carbofuran in a rice-wheat rotation area of northwestern Bangladesh. The experiment was conducted on farmer fields and at a research station, with experimental plots arranged in a randomized complete block design. Prior to transplanting, rice seedling height and dry weight were greater (P < 0.05) and soil levels of M. graminicola were lower (P< 0.05) in the treated seedbed plots compared to the nontreated control plots. Nematicide application to the field at transplanting had a greater effect (P < 0.05) on mid-season plant growth than did nematicide application to the seedbed at sowing, and rice yield increased by 1.0 t/ha where carbofuran was applied to the seedbed and field - both at the research station (P < 0.05) and on farmer fields (P < 0.10) compared to a nontreated control. This is the first report of a negative impact of M. graminicola on growth and yield of lowland rainfed rice in production fields in Bangladesh.
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Database assignments for author(s): J.L. Padgham

Research topic(s) for pests/diseases/weeds:
damage/losses/economics
control - general

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Meloidogyne graminicola	Rice (Oryza)	Bangladesh