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| Titel: |
Persistence of toxicity of some insecticides in dust and wettable forms against mustard aphid, Lipaphis erysimi (kalt) |
| Auteur: |
Shelley Gupta Kalpana Handore Pandey I.P. |
| Verschenen in: |
International journal of agriculture sciences |
| Paginering: | Jaargang 1 (2009) nr. 2 pagina's 44-45 |
| Jaar: |
2009 |
| Inhoud: |
An experiment was laid out with 12 treatments including control to find out the persistence oftoxicity of insecticides in dust and wettable formulations at their recommended concentrations during winterseason on mustard crop. The residual effectiveness was worked out in the laboratory by observing mortalityon the treated apical growth parts of mustard plant of each treatment after 24 hrs, 5 and 10 days ofinsecticidal applications and in the field by taking observations on aphid population. Both under field andlaboratory conditions, fenitrothion 0.1% spray and phenthoate 2% dust proved most effective. Carbaryl 0.1%spray proved ineffective. After 10 days of treatment all insecticides of dust and wettable formulations lasttheir toxicity. |
| Uitgever: |
Bioinfo Publications (provided by DOAJ) |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 7 van 8 gevonden artikelen
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