摘要
通过对不同板栗品种的矿质元素含量、雌花数量和单株产量的测定,研究了不同矿质营养元素对板栗开花结实的影响。结果表明:不同板栗品种的矿质元素含量存在显著差异;碳氮比(C/N)调控开花结实,与雌花数、单株产量呈显著正相关,光合速率影响碳氮比;此外,复合营养元素(即N、P、K含量的乘积)能促进光合速率,也与产量有一定的相关性。
Research the response of flowering to mineral elements through measuring the contents of mineral elements, the sum of female-flower and outputs in different cultivars of Castanea mollissima BL. The results show that there is a marked difference in contents of mineral elements for different cultivars. C/N controls flowering and is positively responsive of the sum of female-flower and outputs in different cultivars, and photosynthetic rate can affect the value of C/N. In addition, output is related with compound mineral element （N×P×K） that promotes the photosynthetic rate.
出处
《经济林研究》
2005年第2期1-4,共4页
Non-wood Forest Research
基金
湖南省自然科学基金(99JJY20027)板栗丰产机理研究。
关键词
板栗
矿质元素
雌花数
开花结实
光合速率
相关性
Castanea mollissima EL.
mineral element
sum of female-flower
output
photosynthetic rate
correlationship
