耐寒品种

安徽油桐耐寒品种树体结构与结实关系的调查分析

The investigation and analyses of the relation between fruit-bearing and body structures

耐寒品种在低温（8℃和12℃）下花粉管的生长速度比不耐寒品种高，在16℃和24℃条件下所有品种的花粉管生长速度都较高，品种间则看不到明显的差别。

The pollen tube growing speeds of chill-tolerance varieties were higher than that of chill-intolerable ones under low temperature ( 8 and 12 ), but under 16 and 24 , pollen tube of all varieties grew fast , no obvious differences among those varieties .

水稻耐寒性品种的苗期耐寒性鉴定研究

Study on the Cold Tolerance of Rice Seedling

耐寒性强的品种ASA和GSH含量减少较小，MDA含量增加也较小。

Decrease of contents of ASA and GSH in these varieties with strong cold-endurance is smaller and increase of content of MDA is smaller . too .

耐寒月季新优品种选育研究

Study on Cold Resistant Breeding and Selection of Several New Hybrida Rose

为了研究选育耐寒月季新优品种，文章用直接引种筛选、自然变异选择、核辐射与常规杂交育种手段，通过栽培试验，分析检测选育出了14个品种的新优月季。

For selecting and breeding some cold resistant Rose hybrida , by screening directly , select naturally bud mutation , nuclear radiation and general means about crossing , obtained about fourteen new breeds of Rose hybrida which are cold resistant , fastness and beautiful .