Determination of economics threshold levels for the stem borers (Scirpophaga sp.) and leaffolder (Cnaphalocrocis medinalis) of rice (Oryza sativa) in the Kallar tract of Punjab, Pakistan
Effective and economic suppression of insect pests in rice ecosystem by the judicial use of pesticides on the basis of economics threshold levels (ETL) is very essential. This study was conducted to determine the ETLs for the chemical control of rice stem borers, (Scirpophaga incertulas Wlk. & S...
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Veröffentlicht in: | International journal of agriculture and biology 2009-11, Vol.11 (6), p.717-720 |
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Format: | Artikel |
Sprache: | eng |
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