摘要
以"西扶1号"和"西扶2号"核桃为材料,通过物候观测、果实生长动态测定和落果定期调查,分析了2个核桃品种果实生长模型及生理落果规律。结果表明:"西扶1号"和"西扶2号"核桃果实纵径、横径及线径生长量与其生长时间的关系与Logistic模型高度吻合,相关系数R和决定系数R2都在0.99以上,回归方程统计检验均达极显著水平。"西扶1号"和"西扶2号"核桃均有2次生理落果高峰期,但两者全年生理落果率远低于其它良种核桃;"西扶1号"核桃第2次生理落果高峰不明显,"西扶2号"核桃第2次生理落果数量明显大于第1次。
Using ＇Xifu 1＇ and ＇Xifu 2＇ walnut as materials, through phenologyical observation, dynamic fruit growth measurement and fruit-dropping regular research, growth model and physiological fruit-dropping law of these two walnuts were analyzed. The results showed that longitudinal diameter,transverse diameter and side diameter of ＇ Xifu 1-2 ＇ walnut and their growth time were highly consistent with the Logistic Model,the coefficient of correlation R and determination R2 were over 99%,and the statistical test of regression equation also reached significant level; ＇Xifu 1-2＇ walnut had twice the physiological fruit-dropping peak, but the physiological fruit-dropping rates of these two walnuts throughout a year were lower than other walnut varieties;the second physiological fruit-dropping peak of ＇Xifu 1＇ walnut was not significant,while the second physiological fruit-dropping peak of ＇Xifu 2＇ walnut was significantly larger than the first time .
出处
《北方园艺》
CAS
北大核心
2013年第2期33-35,共3页
Northern Horticulture
基金
财政部农业科技推广专项资助项目(XTG2007-09)
