Abstract:

In this experiment the combination effects of natural ecologic fact-ors in the middle subtropical and south subtropical as well as the northtropical areas of Guangdong on duration of 36 wheat varieties werestudied.The results analysed by two-way variance indicated that bothgenetic and ecologic variation reached the most significant difference.The information offered by 31 progressive regression equations rev-ealed that the most close leading factors related to duration were dailymean temperature and total p...