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Title Distribution of genes associated with noodle qualities in Sichuan wheat cultivars
 
Names Chen Jing
Zhang Xiao-ke
He, Zhonghu
Sun Wen-yu
Wu Ling
Li Li-rong
Yu Mao-qun
Date Issued 2007 (iso8601)
Abstract Selection of waxy protein W x2B 1 null type and decreasing polyp henol oxidase activity can greatly cont ribute to the genetic improvement of noodle quality. In t he current paper , 104 wheat culti2 vars and advanced lines f rom Sichuan province were used to identify t he allelic variation at t hree loci , W x2B 1 , P PO22A and P PO22D , meanwhile t he starch pasting properties of 59 wheat lines f rom t he 104 genotypes were determined. The result s showed t hat cultivar s f rom Sichuan displayed desired starch character s. The f requency of P PO22A b and P PO22Da cont rolling low PPO activity were 42. 3 % and 83. 6 % , respectively. The f requency of W x2B 1b was 26. 9 %. Significant difference in four starch viscosity parameter s , including peak viscosity , breakdown , final viscosity and set back , were ob2 served between the Wx2B1 null type wheat and t he normal type. Mianyang 26 , Chuanmai 107 and Chuanmai 43 are important parent s for noodle wheat breeding. As an accurate and efficient technolo2 gy , multiplex PCR can be very usef ul in marker assisted selection targeting for complex t raits like Noodle quality
Genre Article
Access Condition Restricted Access
Identifier http://hdl.handle.net/10883/2616