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Current IssueEditorial BoardOnline First Articles
Agricultural Science Digest
Print ISSN: 0253-150X
Online ISSN: 0976-0547
NASS Rating
5.52
SJR
0.176
CiteScore
0.357

Chief Editor:
Arvind kumar
Rani Lakshmi Bai Central Agricultural Uni., Jhansi, U.P., INDIA
Frequency:Bi-monthly
Indexing:
BIOSIS Preview, Biological Abstracts, Elsevier (Scopus and Embase), AGRICOLA, Google Scholar, CrossR...

Agricultural Science Digest, volume 32 issue 3 (september 2012) : 256 - 258

TOXICITY OF POGOSTEMON PARVIFLORUS (BENTH) AND POLYGONUM HYDROPIPER (L) ON DEVELOPEMETAL STAGES OF RED SPIDER MITE (OLIGONYCHUS COFFEAE, NEITNER) (ACARINA: TETRANYCHIDAE) ON TEA

Inee Gogoi
1Department of Entomology, Assam Agricultural University, Johrat-785 013, India

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Cite article:- Gogoi Inee (2025). TOXICITY OF POGOSTEMON PARVIFLORUS (BENTH) AND POLYGONUM HYDROPIPER (L) ON DEVELOPEMETAL STAGES OF RED SPIDER MITE (OLIGONYCHUS COFFEAE, NEITNER) (ACARINA: TETRANYCHIDAE) ON TEA. Agricultural Science Digest. 32(3): 256 - 258. doi: .

ABSTRACT

A study was conducted during 2009-10 to assess the toxicity of chloroform extracts of Pogostemon parviflorus (Benth.) and Polygonum hydropiper (L) against red spider mite (Oigonychus coffeae, Neitner) under laboratory condition using leaf detached method. Both the plant extracts possesed the acaricidal properties on developmental stages of red spider mite. The treatment with both plant extracts exhibited prolonged developmental period which affected the population build up of the pest in subsequent generation. The efficacy of extracts was found to be dose dependent. However, except in deutonymph the duration was found to be reduced at lower dose with Pogostemon parviflorus extracts then the normal but, the result was not significant. It is also observed that high toxicity to the mite was exhibited by Polygonum hydropiper.

REFERENCES

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