Discovery of a specific volatile substance from rice grain and its application in controlling stored-grain pests
文献类型： 外文期刊
作者： Zhang, Ying 1 ; Teng, Bin 1 ; Wang, Dezheng 1 ; Jiang, Jianhua 1 ;
作者机构： 1.Anhui Acad Agr Sci, Rice Res Inst, Anhui Prov Key Lab Rice Genet & Breeding, Hefei 230031, Peoples R China
关键词： Rice grain; Insect resistance; Specific volatile substance; Discovery; Bioassay
期刊名称：FOOD CHEMISTRY （ 影响因子：7.514； 五年影响因子：7.516 ）
ISSN： 0308-8146
年卷期： 2021 年 339 卷
页码：
收录情况： SCI
摘要： The research of host insect-resistance is a hot spot in the field of controlling storage pests. However, the mechanism of host resistance to storage pests is still unclear. Some researchers think it is related to grain cracking characters of rice husk, while others have linked it to volatile compounds in rice grains. In this paper, using 117 micro-core germplasm resources of rice and the investigation on the rate of insect damage, sixteen materials with different insect-resistance and four with significant difference in insect resistance were selected. Pentanamide, a volatile compound in rice, was analyzed by gas chromatography-mass spectrometry (GC-MS) and found to be negatively correlated with the rate of insect damage of rice materials. The bioassay results showed that 8% Pentanamide had a good effect on controlling storage pests and trapping pests. This study provided direct evidence for the correlation between rice volatile compounds and their host insect-resistant mechanisms.
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