热带亚热带玉米种质在温带的研究与利用

Researching and Utilizing Tropical and Subtropical Maize Ge rmplasm in Temperate Zone

简要概述了热带亚热带玉米种质的特点及其在温带利用情况、光周期反应、适应性改良方法及杂种优势模式研究。提出了热带种质在温带利用上存在的问题。

This paper summarized characteristic of tropical and subtropi cal maize germplsm ,utilizing situation ,the effect of long photo-period, method s of adaptability improvement and heterosis models in temperate zone and pointed out the question of utilizing in temperate zone.