豫玉22及其大面积应用实践

豫玉22是高产、优质、抗病、大穗型玉米杂交种,自审定以来,短短几年已在全国10多个省区大面积推广应用,并成为一些省区的主栽品种.本文就其主要特征特性、栽培技术要点、以及大面积应用情况作简要介绍.该品种成功的产业化开发和利用,不仅有利于拓宽种质资源,也将促进我国种子工程的实施。

Hybrid Yuyu22 and Its Utilization in Large Areas

Yuyu22 is a big ear corn hybrid with the characteristics of high yield,good quality and diseases resistance. Since being examined and approved in 1997,the variety,as main one in some provinces,has been used in large areas which cover more than 10 provinces in recent years.The main characteristics,key techniques in cultivation and its usage in large areas have been chiefly introduced in this paper.The industrialized development and utilization successfully of Yuyu22,which is not only good for widening the germplasm resources,also will promote to realize the seed engineering of our country.