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PAS 1
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"Alkaloids isolated from Annonasquamosa have shown larvicidal growth-regulating and chemosterilant activities against Anopheles stephensi at concentrations of 50 to 200 ppm. Adults exposed as larvae to different treatments showed reduced fecundity and fertility in females." https://pubmed.ncbi.nlm.nih.gov/8468579/#:~:text=Alkaloids%20isolated%20from%20Annona%20squamosa,fecundity%20and%20fertility%20in%20females
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PAS 2
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"All plant extracts showed moderate effects after 24 h of exposure; however, the highest toxic effect of bark methanol extract of A. squamosa, leaf ethyl acetate extract of C. indicum and leaf acetone extract of T. procumbens against the larvae of An. subpictus (LC50 = 93.80, 39.98 and 51.57 mg/l) and bark methanol extract of A. squamosa, leaf methanol extract of C. indicum and leaf ethyl acetate extract of T. procumbens against the larvae of Cx. tritaeniorhynchus (LC50 =104.94, 42.29 and 69.16 mg/l) respectively. " [Kamaraj C, Bagavan A, Elango G, et al. Larvicidal activity of medicinal plant extracts against Anopheles subpictus&Culextritaeniorhynchus. Indian J Med Res. 2011;134(1):101-106. ] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3171902/
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PAS 3
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"The toxicity of four concentrations (1, 5, 10 and 20% w/v) of an aqueous extract from the weed, ClerodendrumviscosumVentenat (Verbenaceae) was investigated under field conditions of the North Bengal University, Darjeeling, West Bengal, India for managing two major pests of tea, Camellia sinensis (L), namely the tea mosquito bug, Helopeltistheivora Waterhouse, (Heteroptera: Miridae) and the tea red spider mite, OligonychuscoffeaeNietner, (Acarina: Tetranychidae). Four field trials, two for red spider mite and two for tea mosquito bug, were conducted during April–May 2008 and October–November 2009 following a Randomized Block design. The aqueous extract of C. viscosum effectively and significantly reduced the mite population as well as infestation of tea mosquito bug by 68–95% and 73–86%, respectively, and their bioefficacy was comparable to synthetic and neem pesticides. No phytotoxic effect (score 0–5% and grade 1) was observed in the tea bushes sprayed with different doses of aqueous extract of C. viscosum in the field. Made tea samples were taint-free. Organoleptic test revealed leaf-infusions and liquor strength as good, scoring 6.5–7.0 on a 10 point scale. Availability and distribution of this weed (C. viscosum) in and around tea-growing areas of the sub-Himalayan region, along with its processing for the feasibility of including C. visosum extracts in the current IPM programme is discussed. " [Roy, Somnath&Mukhopadhyay, Ananda&Gurusubramanian, Guruswami. (2010). Field efficacy of a biopesticide prepared from Clerodendrumviscosum Vent. (Verbenaceae) against two major tea pests in the sub Himalayan tea plantation of North Bengal, India. Journal of Pest Science. 83. 371-377. 10.1007/s10340-010-0306-5.] https://www.researchgate.net/publication/225698532_Field_efficacy_of_a_biopesticide_prepared_from_Clerodendrum_viscosum_Vent_Verbenaceae_against_two_major_tea_pests_in_the_sub_Himalayan_tea_plantation_of_North_Bengal_India
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Agro Ecological Zone
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Agro Ecological Sub Region (ICAR) Western Ghats And Coastal Plain, Hot Humid region (19.2), Agro-Climatic Region (Planning Commission) West coast plains and Ghat region (XII) Southern plateau and Hills region (X), Agro Climatic Zone (NARP) Nothern transition zone (KA-8) Hilly zone (KA-9)
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Other Community Practices
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"Application of neem oil 3%, neem oil 2% + garlic extract 2.5%, NSKE 5%, Fish oil rosin soap 40g/lit were found effective in reducing the mite damage. Significant reduction of mite population and damage was also obtained after spraying with commercial formulations of azadirachtin 1% @ 5ml/lit. of water. But repeated application at regular interval is needed to achieve maximum control." [Aratchige, N.. (2014). Mite management of coconut in Sri Lanka.]https://www.researchgate.net/publication/282842483_Mite_management_of_coconut_in_Sri_Lanka
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Practice ID
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DTP0010000002751
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Annotation ID
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GIAN/GAVL/395
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Reference
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lok (2) 4, Jul- Aug- 1997, Pg No. 10
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Pest Group
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Boring
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Pest Scientific Names
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Dynastinae
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Technology Transfer Terms
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DIY
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