江西农业大学学报2016，Vol.38Issue(2)：319-326,8.DOI:10.13836/j.jjau.2016045
芸苔素内酯对油茶光合作用及果实性状的影响
Effects of Brassinolides (BRs) on Photosynthesis and Fruit Characters of Camellia oleifera in the Oil Conversion Period
摘要
Abstract
In order to improve the output an d oil quality of C. oleifera,to seek the suitable concentration of brassinolides ( BRs) ,with Xiang⁃Lin high⁃yield choiceness clones as the test material,and by using the single factor randomized block design,the effects of 0.04,0.06,0.08,0.10 mg/L BRs on photosynthesis and fruit characters of C. oleifera were studied.The results showed that in the initial stage of BRs spraying,all the treat⁃ment groups could increase the average daily photosynthetic rate and the best concentration was 0.04 mg/L.The highest photosynthetic rate value was tested at high noon,which increased by 52.63%compared with that of the control one.At the same time,the content of all kinds of chlorophyll could also be significantly improved under the concentration, which increased by more than 30% compared with that of the control one. All treatment groups could significantly affect the oil yielding efficiency of C. oleifera seeds.At the beginning of BRs spraying and a monty after the spraying,the best concentration was the same-0.08 mg/L,and the oil yielding efficiency of C. oleifera seeds increased by 15.19% and 54.82%,respectively,compared with that of the control one.Be⁃sides,the spraying had made significant impact on the fatty acid composition of C. oleifera. At the beginning of BRs spraying and a month after the spraying,the best concentration was also the same-0.08 mg/L,and the o⁃leic acid content increased by 4.74% and 7.04%,respectively,compared with that of the control one.Anyway, all the test groups could increase the final yield, especially, when the BRs spraying concentration was 0.08 mg/L,the final yield was significantly higher than that of the control one.From what had been discussed above,it is recommended to spray BRs at the concentration of 0.08 mg/L in the oil conversion period so as to achieve the maximum benefit.关键词
油茶/芸苔素内酯/光合作用/出油率/脂肪酸组分/产量Key words
Camellia oleifera/BRs/photosynthesis/oil yield/fatty acid composition/yield分类
农业科技引用本文复制引用
杨少燕,苏淑钗,马履一,王湘南,温玥..芸苔素内酯对油茶光合作用及果实性状的影响[J].江西农业大学学报,2016,38(2):319-326,8.基金项目
国家林业公益性行业科研专项（20140702） Project supported by The Special Public Welfare Forestry Industry Research （）
