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首页> 外文期刊>Annals of Forestry >FIELD EVALUATION OF BEAUVERIA BASSIANA (BALSAMO) VUILLEMIN, NEEM SEED KERNEL EXTRACT AND NEEM OIL AGAINST THE BARK CATERPILLAR, INDARBELA QUADRINOTATA WALKER (LEPIDOPTERAs METARBELIDAE)
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FIELD EVALUATION OF BEAUVERIA BASSIANA (BALSAMO) VUILLEMIN, NEEM SEED KERNEL EXTRACT AND NEEM OIL AGAINST THE BARK CATERPILLAR, INDARBELA QUADRINOTATA WALKER (LEPIDOPTERAs METARBELIDAE)

机译：球茎白僵菌（Balusveria Bassiana（BALSAMO）VUILLEMIN，NEEM SEED KERNEL提取物和NEEM油对树皮卡特彼勒，INDARBELA QUADRINOTATA WALKER（LEPIDOPTERAS METARBELIDAE）的现场评估）

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摘要

The bark caterpillar, Indarbela quadrinotata Walker is a polyphagous pest, feeding on forest trees belonging to many families as well as a number of horticultural and ornamental trees. It is an important pest of Casuarina equisetifolia in Tamil Nadu.At present, the management of the bark caterpillar is mainly based on chemical insecticides, which has several limitations, especially in forest plantations. Therefore an entomopathogenie fungus, Beauveria bassiana, and botanicals like Neem Seed Kernel Extract (NSKE) 5 per cent and Neem oil 5 per cent were evaluated against the bark caterpillar, in a five-year-old Casuarina equisetifolia plantation at Puduppattinam area of Tamil Nadu. The results showed that the fungus at a concentration of 4xl08 spores/ ml was effective in controlling the pest under field conditions. There was no significant difference in larval mortality, when the two methods of application, i.e. spraying with a hand sprayer and injecting by a hypodermic syringe, were tested. The Neem oil 5 per cent was found to cause significant larval mortality when compared with NSKE 5 per cent. The results indicate the potential of using non-chemical means like B. bassisna and Neem oil (5%) in controlling the bark caterpillar.
机译：树皮毛毛虫Indarbela quadrinotata Walker是一种多食性害虫，以许多家庭的林木以及许多园艺和观赏树为食。它是泰米尔纳德邦木麻黄的重要有害生物。因此，在泰米尔纳德邦Puduppattinam地区一个已有5年历史的木麻黄（Casuarina equisetifolia）种植园中，对树皮毛毛虫进行了虫害真菌，球孢白僵菌和植物性植物如Neem种子仁提取物（NSKE）5％和Neem油5％的评估。 。结果表明，在田间条件下，浓度为4x1008孢子/ ml的真菌可有效防治害虫。当测试两种施用方法，即用手动喷雾器喷雾和用皮下注射器注射时，幼虫死亡率没有显着差异。与5％的NSKE相比，发现5％的印度em树油会导致大量幼虫死亡。结果表明，在控制树皮毛虫方面，可能会使用非化学方法（如B. bassisna和Neem油（5％））。

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