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首页> 外文期刊>International Journal of Tropical Agriculture >Pesticidal Effect of Indigenous Plant Extracts Against Jasmine Bud Worm, Hendecasis duplifascialis Hampson. in Jasmine (Jasminum sambac L.)
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Pesticidal Effect of Indigenous Plant Extracts Against Jasmine Bud Worm, Hendecasis duplifascialis Hampson. in Jasmine (Jasminum sambac L.)

机译:土着植物提取物对茉莉花芽虫,Hendecasis Duplifascialis Hampson的杀虫作用。 在茉莉(Jasminum Sambac L.)

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摘要

The efficacy of botanicals against jasmine budworm (Hendecasis duplifascialis) was evaluated in two separate bioassays with plant extracts and plant oils under invitro and invivo conditions. Invivo bio-assay on plant extracts revealed that neem seed kernel extract 5 per cent recorded the maximum per cent mortality (71.69%), followed by sweetflag rhizome extract 5% (69.90), Vitexleat extract 5% (68.38) and wild sage leaf extract 5% (65.97), whereas invivo bio-assay on plant oils revealed the superiority of neem oil in controlling budworm larvae with a maximum per cent mortality of 71.37%, followed by Horticultural mineral oil recording 69.58% mortality followed by pungam and lemon grass oil with 63.15% mortality. Further, field evaluation with the four best plant extracts and oils revealed that neem seed kernel extract 5% recorded maximum efficacy of 70.23 percent reduction in infestation over untreated control. Neem oil (3%), Acorus calamus rhizome extract (5%), horticultural mineral oil (3%) and Vitex negundoleaf extract (5%) were the next best treatments recording 68.41,66.61,64.98 and 58.88 percent respectively. Also, the tested plant extracts and oils did not cause any phytotoxic symptoms on the plants such as injury to leaf tips and leaf surface, wilting, vein clearing, necrosis, epinasty and hyponasty.
机译:植物对茉莉花芽虫(Hendecasis Duplifascialis)的疗效在两个单独的生物测定中评估了植物提取物和invivo和Invivo条件下的植物提取物。植物提取物的Invivo生物测定显示,Neem种子核提取物5%的人记录了最高的死亡率(71.69%),其次是甜味氟虫萃取物5%(69.90),Vitexleat提取物5%(68.38)和野生鼠尾草叶提取物5%(65.97),而Invivo生物测定对植物油的生物测定揭示了Neem油在控制芽虫幼虫中的优势,最高死亡率为71.37%,其次是园艺矿物油记录69.58%的死亡率,然后是Pungam和柠檬草油死亡率63.15%。此外,具有四种最佳植物提取物和油的田间评价显示,Neem种子核提取物在未处理对照中侵扰的最大效果为70.23%的最大疗效。 Neem Oil(3%),Acorus Calamus Rhizome提取物(5%),园艺矿物油(3%)和Vitex Candoneaf摘录(5%)是下一个最佳治疗,分别记录68.41,66.61,64.98和58.88%。此外,经过测试的植物提取物和油脂在植物中没有引起任何植物毒性症状,例如叶子尖端和叶片表面的损伤,萎氏,静脉清除,坏死,换曲和低位。

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