ANALYSIS OF RESISTANCE CHARACTERISICS OF SOYBEAN POD BORERIN F ₂ GENERATION OF CROSSES(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Title:: ANALYSIS OF RESISTANCE CHARACTERISICS OF SOYBEAN POD BORERIN F ₂ GENERATION OF CROSSES

Author(s):: Zhao Guiyun ¹　 Li Wenbin ¹　 Han Yingpeng ¹　 Teng Weili ¹ Xu Feifei ²　 Wang Jian¹; (1.Soybean Research Institute of Northeast Agricultural University , Harbin 150030;2.Potato Research Institute of Northeast Agricultural University , Harbin 150030)

Keywords:: Soybean pod borer ; Percentage of damaged seeds; Resistance characters

Abstract:: T hree hybridized combinations of soybean, whose parents come from 8004 , Hefeng 25, 9001,85164, Huang Baozhu and Guoyu 100- 4, were studied on genetic variation of characters in F ₂ generation.The results showed that the percentage of damaged seeds had significant positive correlation with the num-ber of damaged seeds , the number of nods in main stem , the number of seeds per plant , the seed weightper plant , the weight of 100 seeds and the intensity of haulm ;that the percentage of damaged seeds hadsignificant positive correlation with the color of pod coat in hybridized combinations of 9001 ×85164 andHuang Baozhu ×GuoYu100 - 4 ;that the percentage of damaged seeds had significant positive correlationwith the density of pubescence in hybridized combinations of Huang Baozhu ×GuoYu100- 4. So we couldmake a conclusion that the kind of soybean which had dwarf haulm , minor nods in main stem , small seeds,strong erect trait and lodging resistance , light color of pod coat , low density of pubescence , didn’t facili-tate egg deposition and damage of soybean pod borer ,and reduced the percentage of damaged seeds effec-tively.

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Last Update: 2016-12-12