ISOLATION OF CORN SEMIOCHEMICALS ATTRACTIVE AND REPELLENT TO WESTERN CORN-ROOTWORM LARVAE

被引：20

作者：

HIBBARD, BE ^{[1
]}

BJOSTAD, LB ^{[1
]}

机构：

[1] COLORADO STATE UNIV, DEPT ENTOMOL, FT COLLINS, CO 80523 USA

来源：

JOURNAL OF CHEMICAL ECOLOGY | 1990年 / 16卷 / 12期

关键词：

COLEOPTERA; CHRYSOMELIDAE; DIABROTICA-VIRGIFERA-VIRGIFERA; SEMIOCHEMICAL; KAIROMONE; ATTRACTANTS; REPELLENTS; ZEA-MAYS; WESTERN CORN ROOTWORM;

D O I：

10.1007/BF00982108

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Dichloromethane extracts of germinating corn are significantly attractive to western corn rootworm larvae in choice tests with equal levels of carbon dioxide present on both sides of the choice. Two fractions that are significantly attractive and two fractions that are significantly repellent to larvae were isolated from these extracts of germinating corn by gas chromatography and silica gel chromatography. In a separate set of experiments, Porapak N was used to collect headspace volatiles from germinating corn; significantly more larvae were attracted to aliquots of these extracts in single-choice tests without added carbon dioxide present than to solvent controls.

引用

页码：3425 / 3439

页数：15

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