当前位置: 首页 > 文章 > 美国黑核桃生长结果期结果习性初步研究 西北林学院学报 2000,15 (4) 25-29
Position: Home > Articles > A Primary Investigation on Fruiting Habit of Juglans nigra L. in Growth and Fruiting Stage Journal of Northwest Forestry University 2000,15 (4) 25-29

美国黑核桃生长结果期结果习性初步研究

作  者:
刘杜玲;高绍棠
单  位:
西北农林科技大学林学院
关键词:
美国黑核桃;生长结果期;结果习性
摘  要:
对美国黑核桃 1 4个良种无性系的结果习性进行了初步调查。结果表明 ,除个别无性系外 ,美国黑核桃第三年均能开花结果 ,花枝率 6 4.2 % ,坐果枝率 5 1 .4% ,结实率 86 .5 % ,以中果枝 ,一果序、二果序结果为主 ;美国黑核桃落果期在 5月 1 0日~ 6月 2 0日之间 ,除 B4无明显的落果盛期外 ,其余无性系落果盛期在 5月 1 0日~ 6月 5日之间
译  名:
A Primary Investigation on Fruiting Habit of Juglans nigra L. in Growth and Fruiting Stage
作  者:
Liu Duling, Gao Shaotang (Faculty of Forestry, Northw. Sci. tech. Uni. of Agr. and For., Yangling, Shaanxi 712100, China)
关键词:
Juglans nigra L; growth and fruit stage; fruiting hab?
摘  要:
A primary investigation is conducted on fruiting habit of 14 improved variety clones of Juglans nigra L.. The results showed that Juglans nigra L. can flowering and fruiting in the third year except individual clones. Rates of flowering branch, setting branch, fructuation are 64.2%,51.4% and 86.5% respectively, and the fruiting is mainly on medium fruit branch, one and two in frutescence.Stage of fruit dropping is from May 10 to June 20, full drop stage of the rest is from May 10 to June 5 except B 4 which dose not show obvious full drop stage.

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