摘要
作者在平邑县资邱乡东岭开发区对凯特杏、五月火油桃及苍方早生的开花结实作了动态调查研究 ,开花结实率受树种的生物学特性、异常气候、枝所处的位置等影响。确定了各树种开花结实的关键物候阶段和各阶段的转移比率。开花初期的优先顺序大多是下层、中层、上层 ;结实主要集中在上、中层 ,结实率分别为 :4.3%、7.7%、5 .5 %。相应对各树种的竞争指数与开花结实的关系进行了探讨。
Efflorescent and abloom dynamics were investigated for the Kaite apricot,Wuyuehuo nectarine and Cangfangzaosheng peach in Dongling development area,Ziqiu township,Pingyi county, which were prone to be affected by its biotic characteristic, abnormal climate and its branch location. Their transferring ratios and key phenophases during blooming and fruiting were confirmed. Generally, the preferential orders are lower, middle and upper canopies in turn, and their fruiting ratios are 4.3%, 7.7% and 5.5% respectively, which mainly concentrate in middle and upper layers of canopies. Moreover, the relations between their competitive indexes and their blooming and fruiting were studied. The fundamentals were provided for bloom and fruit thinning.
出处
《水土保持研究》
CSCD
2001年第3期116-120,共5页
Research of Soil and Water Conservation
基金
山东省人民政府可持续发展科技示范工程"山区生态资源保护及综合开发利用技术的研究与示范"项目资助。
山东农业大学科学基金 (2 3 0
关键词
开花结实动态
转移比率
树冠结构
竞争指数
果树
efflorescent and abloom dynamics
transferring ratio
canopy structure
competitive indexes
