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[Anti-feeding effect of total ginsenoside from Panax ginseng on Heliothis dipsacea larvae]
Shi-Qiang Tan1, Ai-Hua Zhang, Jing-Yu Xie
1College of Chinese Medicinal Materials, Jilin Agricultural University, Ginseng Engineering Research Centre of Jilin, Changchun 130018, China. choohcho@163.com
Objective:
To study the anti-feeding effect of total ginsenoside of ginseng stems and leaves on Heliothis dipsacea larvae.
Method:
The natural growing condition for lavae was simulated indoors. The anti-feeding effect of total ginsenoside on Heliothis dipsacea larvae was studied by leaf disc test.
Result:
The total ginsenoside appeared showed a significant antifeeding effect. The Heliothis dipsacea larvae fed with the leaves of soybean treated with 2.0%, 1.0% and 0.5% total ginsenoside, respectively. At 8 h, non-selective anti-feeding rate were 93.40%, 83.42% and 75.19%, and selective anti-feeding rate were 77.53% , 73.58% and 58.86%.
Conclusion:
The toatal ginsenoside had significant inhibition effect on Heliothis dipsacea larvae, and inhibition effect increases as the increase of concentration ginsenoside.
