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Reducing grain storage losses in developing countries

机译：在发展中减少储粮损失国家

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We investigated the use of insecticide-treated material and modified atmosphere storage for reducing insect damage in stored maize. Results showed that insecticide-treated netting and insecticide-treated seed bags protected grain from insect damage, with the treated seed bags protecting grain for up to nine months if the grain was free from insects before storing. Covering the opening of grain storage containers with treated netting provided good control of stored-grain insects and may offer additional protection for grain silos being promoted in developing countries. Neither treated bags nor netting provided control if the grain contained insects before storage, thus emphasising the need to provide some means of controlling initial infestations at the time of storage when using bags or netting. We also showed that good control of insects can be achieved if the grain is stored in air-tight rigid containers that cannot be penetrated by insects or rodents. Hermetic plastic bags were readily penetrated by insects and rodents, thus negating their ability to protect grain from insects. We also showed that reducing oxygen levels through the use of a candle in stored environments does little to protect grain from insects. Modifying the atmosphere by reducing oxygen levels or raising carbon dioxide levels also provided good control of stored-grain pests. The solutions outlined in this paper offer farmers in developing countries methods to protect grain from stored-grain insects, thus reducing losses and improving food security.
机译：我们调查了使用经杀虫剂处理的存储材料和修改的气氛减少虫害存储玉米。表明,杀虫剂网和经杀虫剂处理的种子包保护粮食从昆虫损坏,处理过的种子包保护粮食如果长达九个月从昆虫之前储存粮食是免费的。覆盖的粮食存储容器与治疗网提供了良好的控制类似昆虫和可能提供额外的保护粮食筒仓晋升发展中国家。如果粮食包含网提供控制昆虫在存储之前,因此强调的需要提供一些控制初始的手段成片的时候存储在使用袋或网。昆虫可以实现,如果粮食存储在密封的刚性容器不能渗透到昆虫或啮齿动物。塑料袋被昆虫容易渗透和啮齿动物,从而否定自己的能力从昆虫保护粮食。通过使用减少氧含量蜡烛在存储环境中没有从昆虫保护粮食。通过减少氧含量或提高大气二氧化碳浓度也提供了很好的控制类似的害虫。本文提供发展中国家的农民从类似物的方法来保护粮食昆虫,从而减少损失和改善食物安全。

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