利用Suwan-1改良Mo17效果的研究

Effect Study on Improving Mo17 by Suwan-1

摘要:

利用热带开放授粉品种Suwan-1采取1/2和1/4两种导入方法对玉米自交系Mo17进行改良,结果认为在提高产量一般配合力、改善穗部性状和抗倒伏能力方面都是有效的。在东北春玉米区1/4法获得的后代易被生产接受,1/2法获得的后代在生育期和株高两方面负效应较大。

Abstract:

Improving the maize inbred line Mo17 by the method of 1/2 and 1/4 introducing of the tropical open pollination variety Suwan-1 resulted the increase of general combining ability, ear traits and lodging resistance. In the spring corn area of Northeast the offspring of 1/4 introducing was easy to be used in production, and there were some negative effect in the traits of maturing days and plant height in the offspring of 1/2 introducing.