摘要
本文从大丽花的生态习性,影响其生长发育的生态因子入手,分析了大丽花在青大量引种栽培当中,造成品种化的主要原因及其在栽培当中存在的问题.针对品种退化,从生产与管理两方面提出了相应的防止品种退化,改善大丽花生长发育条件的有利措施.
The article starts from zoology propensity and factor of influence of growth commence of Dahlia. Analyzing the main reason of the deterioration and growth of Dahlia species in Qinghai. Aim at deterioration of breed, put forward the relative and favorableness measures of preventing deteriorating and improve growth condition of Dahlia in aspect of yield and manage.
出处
《青海师范大学学报（自然科学版）》
2005年第2期78-81,共4页
Journal of Qinghai Normal University(Natural Science Edition)
关键词
大丽花
品种退化
生产
栽培
Dahlia
deterioration of breed
yield
growth
