Efficacy of Neem Oil on Cardamom Thrips, Sciothrips cardamomi Ramk., and Organoleptic Studies

IF 1.6 Q2 ENTOMOLOGY
J. Stanley, G. Preetha, S. Chandrasekaran, K. Gunasekaran, S. Kuttalam
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引用次数: 17

Abstract

The neem tree contains promising pest control substances which are effective against many pests. Oil extracted from neem seeds was used against cardamom thrips, Sciothrips cardamomi, a severe and economic pest of cardamom. Neem oil formulations, namely, Tamil Nadu Agricultural univeristy neem oil (TNAU NO) (acetic acid & citric acid), were found effective against the pest with a overall damage reduction of 30% after 14 days of treatment. The percent damage reduction in capsules over control after three consecutive sprays of TNAU NO(C) 2% and TNAU NO(A) 2% was 78.3 and 75.2 percent, respectively. The newly extracted and unformulated neem oil, though found inferior to the formulated one, still found to cause 50% and 70% reduction in damage caused by thrips at two and three rounds of sprays, making it useful in pest management. Organoleptic tests conducted on cardamom capsules sprayed with neem oil revealed no significant difference in taste, aroma, and overall acceptability of cow milk boiled with cardamom. Thus, TNAU NO (A and C) 2% was found effective against cardamom thrips with no adverse organoleptic properties and can be recommended.
印楝油对豆蔻蓟马、山蓟马、豆蔻Ramk的疗效研究。和感官研究
楝树含有有希望的害虫防治物质,对许多害虫都有效。从楝树种子中提取的油被用来对付豆蔻的一种严重的经济害虫——小豆蔻蓟马。印度楝油配方,即泰米尔纳德邦农业大学的印度楝油(TNAU NO)(醋酸和柠檬酸),被发现对害虫有效,经过14天的处理,总体损害减少了30%。连续喷洒三次TNAU NO(C) 2%和TNAU NO(A) 2%后,胶囊的伤害减少率分别为78.3%和75.2%。新提取的和未配制的楝树油,虽然被发现不如配制的楝树油,但仍然发现在两轮和三轮喷洒时,对蓟马造成的损害减少了50%和70%,使其在害虫管理中有用。对喷有印度楝油的豆蔻胶囊进行的感官测试显示,豆蔻煮牛奶的味道、香气和总体可接受性没有显著差异。因此,2%的TNAU NO (A和C)对豆蔻蓟马有效,没有不良的感官特性,可以推荐使用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
1.80
自引率
0.00%
发文量
8
审稿时长
15 weeks
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