Study on Breeding and Utilization of Green Chinese Onion Male Sterile Line 200730 A with Bolting Resistance
Wei Xing
Zhao Shijie
Wu Leigang
Wei Youying
Geng Yuran
Abstract:With the male sterile plants of Japanese Tiegan green onion as infertility source , the bolting-resistant male sterile line 200730 A and its corresponding maintainer line 20070873 B were selected by test cross-backcross and self cross of test cross as well as recurrent male parent .The rate of sterile plants and fer-tile plants were both more than 99%.The selected sterile line showed late bolting , high combining ability and obvious heterosis .The hybridized combination Nongda Summer Onion NO .1 was obtained from the cross of male sterile line 200730 A and selfing line of Changbao green onion .It showed late bolting , high yield and good disease resistance;its yield could increase by 18 .41% averagely compared with Japanese green onion; so it was suitable for cultivation in Huanghuai region .
Keywords:Green Chinese onionMale sterilityHeterosis
Publication Date:2014-01-01
Online Publishing Date:2026-05-22(First online date of this platform, not the publication date of the document)
Pages:3( 31-33 )
