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首页> 外文期刊>Tobacco Research >BIOEFFICACY OF ORGANIC SOLVENT LEAF EXTRACTS AGAINST GROWTH AND DEVELOPMENT OF TOBACCO CATERPILLAR, SPODOPTERA LITURA FAB.
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BIOEFFICACY OF ORGANIC SOLVENT LEAF EXTRACTS AGAINST GROWTH AND DEVELOPMENT OF TOBACCO CATERPILLAR, SPODOPTERA LITURA FAB.

机译：有机溶剂萃取物对烟草卡特彼勒，斜纹夜蛾FAB的生长和发育的生物功效。

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摘要

A laboratory study was conducted to know the effect of 12 leaf extracts @ 2% in methanol and dimethyl sulfoxide against the growth and development of tobacco caterpillar, Spodoptera litura Fab. In case of methanol extract, 100% larval mortality was recorded with Lantana camara and Calotropis procera followed by Azadirachta indica (82.6%), Pongamia pinnata (77.3%), Nerium odorum (76.0%) and Carica papaya (75.3%). The larval mortality in Nicotiana tabacum, Ipomoea batatas. Datura stramonium, Occimum sanctum. Bougainvillea glabra and Annona squamosa extracts was ranged from 50.6 to 68.0%. In case of dimethyl sulfoxide extracts, Azadirachta indica was found to be the best growth regulator followed by Pongamia pinnata, Lantana camara, Calotropis procera, Carica papaya and Annona squamosa. The length and weight of both larva and pupa were significantly less whereas, larval and pupal periods were more in all the treatments than control.
机译：进行了一项实验室研究，以了解在甲醇和二甲基亚砜中的12种叶提取物（占2％）对烟草毛毛虫斜纹夜蛾Fab生长和发育的影响。在使用甲醇提取物的情况下，记录到马Lan丹（Lantana camara）和卡洛托雷斯（Calotropis procera）的幼虫死亡率为100％，其次是印度的印za（Azadirachta）（82.6％），松果（Pongamia pinnata）（77.3％），大臭N（Nerium odorum）（76.0％）和番木瓜（Carica papaya）（75.3％）。烟草，番薯（Ipomoea batatas）的幼虫死亡率。曼陀罗草，Occimum圣所。九重葛和番荔枝番荔枝提取物的含量为50.6％至68.0％。如果使用二甲基亚砜提取物，则发现印度印za是最好的生长调节剂，其次是Pongamia pinnata，Lantana camara，Calotropis procera，Carica木瓜和Annona squamosa。在所有处理中，幼虫和的长度和重量均显着减少，而幼虫和p期则比对照长。

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