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首页> 外文期刊>Journal of Stored Products Research >Effects of flameless catalytic infrared radiation on Sitophilus oryzae (L.) life stages.
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Effects of flameless catalytic infrared radiation on Sitophilus oryzae (L.) life stages.

机译：无焰催化红外辐射对米果（Sitophilus oryzae）生命周期的影响。

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摘要

A laboratory benchtop flameless catalytic infrared emitter was evaluated against all life stages of the rice weevil, Sitophilus oryzae (L.), an insect species associated with stored wheat. The emitted infrared radiation was in the 3-7 micro m range. A non-contact infrared thermometer measured grain temperatures continuously during exposures of infested wheat. Insect mortality was a function of the final grain temperature attained. In general, higher grain temperatures were attained when using 113.5 versus 227.0 g of wheat, and at 8.0 cm from the emitter versus 12.7 cm, and during a 60 s exposure versus a 45 s exposure. Complete mortality of all life stages of S. oryzae was achieved at 8.0 cm from the emitter using 113.5 g of wheat, with a 60 s exposure; the mean grain temperatures attained ranged from 108.4 to 111.8 degrees C. The log odds ratio tests showed that eggs (0 days old) were the least susceptible stage to infrared radiation, followed by adults within kernels (28 days old), pupae (24 days old), young larvae (7 days old), larvae that were 14-21 days old, and adults (42 days old). These data using small amounts of grain indicate infrared radiation from the flameless catalytic emitter to be a viable option for disinfesting wheat containing various life stages of S. oryzae.
机译：针对水稻象鼻虫（Sitophilus oryzae）的所有生命阶段，对实验室台式无焰催化红外发射器进行了评估，稻谷象鼻虫是一种与储存的小麦有关的昆虫。发射的红外辐射在3-7微米范围内。非接触式红外测温仪在受侵染的小麦暴露期间连续测量谷物温度。昆虫死亡率是最终谷物温度的函数。一般而言，当使用113.5克小麦对227.0克小麦，距发射源8.0厘米对小麦12.7厘米，以及60 s暴露与45 s暴露时，可获得更高的籽粒温度。 iS所有生命阶段的完全死亡率。使用113.5 g小麦，在60 s的照射下，在距发射源8.0 cm处获得了米粉。平均谷物温度范围为108.4至111.8摄氏度。对数比值比测试显示，鸡蛋（0天大）是最不易受红外线辐射的阶段，其次是果仁（28天大），p（24天）岁），幼虫（7天大），14-21天大的幼虫和成年（42天大）。这些使用少量谷物的数据表明，来自无焰催化发射器的红外辐射是对含有不同生命周期i的小麦进行杀虫的可行选择。米粉。

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