关键词: 冬小麦, 冬小麦, 低温驯化, 脱驯化, 成活率

Abstract: This paper is to clarify the oviposition selectivity mechanism of soybean pod borer (Leguminivora glycinivorella) to soybean cultivars.【Methods】The relationship between eggs and pod phenotype characteristic (such as location, size, length, density and color) was analyzed based on four soybean cultivars (lines) with different resistance levels.The results showed that, under the same environmental conditions, The amount of eggs was significantly different between cultivars. Soybean pod borer prefered to oviposite on 3-5cm long pods of mid-height and the lower pods of bean plants. The amount of eggs was a significant positive correlation with pod size and pod density, and the model was Ypods length=3.1642/(1 EXP(33.2713-13.3663x)) (F=20.120, P=0.010, R=0.550), Ypod density=1/(0.278769 2379750.0228*EXP(-x)) (F=91.518, P=0.134, R=0.656). However, the amount of eggs was a significant negative correlation with pod villi length, and the model was Ypod villi length=1356.4635/(1 EXP(3.3949 1.2865x)) (F=170.235, P=0.000, R=0.915). For the same size pods, the adults prefered soybean cultivars with short pod villi and high density. 【Conclusion】These results indicate that the pod villi length and the density influenced the resistant level of oviposition selectivity of soybean pod borer. Different seeding time and growing stages could caused that pod-filling stage was consistent with adult prosperous period, and significantly affect the amount of eggs in field.