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当前位置: 首页 > 文章 > 不同温度和水分小麦中不同谷蠹发生状态时二氧化碳变化研究 植物保护 2011,37 (5) 67-71
Position: Home > Articles > Concentration change of carbon dioxide in wheat plants infected with Rhyzopertha dominica under the conditions of different temperatures and moisture contents Plant Protection 2011,37 (5) 67-71

不同温度和水分小麦中不同谷蠹发生状态时二氧化碳变化研究

作  者：
唐多;王殿轩;姚剑锋
单  位：
河南工业大学粮油食品学院粮食储藏与安全教育部工程研究中心;中央储备粮襄垣直属库
关键词：
谷蠹;小麦;温度;水分;二氧化碳
摘  要：
[目的]研究不同储藏温度、粮食含水量条件下,粮食、微生物、储粮害虫谷蠹与二氧化碳浓度变化的对应关系,以期为通过检测气体监测害虫发生提供参考依据。[方法]在20、25、30℃下检测含水量分别为12%、13%和14%的小麦样品感染谷蠹后不同时间的二氧化碳浓度,并与自然带菌无虫和灭菌无虫小麦进行比较。[结果]在前期30 d中,感染害虫(10头/kg)的小麦中二氧化碳浓度明显大于自然带菌和灭菌无虫样品,其中12%含水量,25℃感染害虫小麦中二氧化碳浓度最高达2.676%,自然带菌样品中为0.214%,灭菌样品中为0.148%。二氧化碳浓度随温度升高及粮食水分增大而显著升高。[结论]二氧化碳浓度与粮食中害虫发生状况显著相关,一定条件下可通过检测二氧化碳浓度了解储粮粮情和害虫发生状态。
译  名：
Concentration change of carbon dioxide in wheat plants infected with Rhyzopertha dominica under the conditions of different temperatures and moisture contents
作  者：
Tang Duo1,Wang Dianxuan1,Yao Jianfeng2(1.School of Food Science and Technology,Engineering Research Center of Grain Storage and Security of Ministry of Education,Henan University of Technology,Zhengzhou 450052,China;2.State Grain Reserves Xiangyuan Depot,Shanxi 046200,China)
关键词：
Rhyzopertha dominica;wheat;temperature;moisture content;carbon dioxide
摘  要：
[Objective] The relationships among wheat,microorganism,Rhyzopertha dominica(F.) and the concentration of CO2 at different storage temperatures and water contents of wheat were studied to provide a reference for predicting occurrence of pest by detecting CO2.[Method] The changes of carbon dioxide concentration in stored wheat that was infected by R.dominica were measured in 10 adults per kilogram,uninfected insects and sterilized grains under the conditions of 12%,13% and 14% moisture contents and 20 ℃,25 ℃,and 30 ℃,respectively.[Result] The results showed that carbon dioxide in infected pest grains was significantly more than that in sterilized and uninfected cereals.At 25 ℃,the top level of carbon dioxide was 2.676% in the wheat infected by R.dominica at 12% moisture content,and 0.214% in the uninfected wheat and 0.148% in the sterilized cereal in 30 days.Carbon dioxide concentration was higher with the increase of moisture content and temperature.[Conclusion] There was a significant relationship between infection and carbon dioxide concentration.The results indicated that the occurrence of insect pests might be predicted by monitoring the carbon dioxide concentration in stored grains.

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