[1]刘小利,顾文毅,魏海斌,等.“黄果梨”生长节律及拟合曲线回归分析[J].北方园艺,2020,44(18):1-6.[doi:10.11937/bfyy.20194703]
　LIU Xiaoli,GU Wenyi,WEI Haibin,et al.Regression Analysis of Growth Rhythm and Fitting Curve of ‘Huangguo Pear’[J].Northern Horticulture,2020,44(18):1-6.[doi:10.11937/bfyy.20194703]
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“黄果梨”生长节律及拟合曲线回归分析

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第44卷 期数: 2020年18 页码: 1-6 栏目: 出版日期: 2020-09-30
Title:
Regression Analysis of Growth Rhythm and Fitting Curve of ‘Huangguo Pear’
作者:
刘小利1; 2; 顾文毅1; 2; 魏海斌1; 2; 史文君1; 2; 廖东3
（1.青海大学 农林科学院，青海 西宁 810016；2.青海高原林木遗传育种实验室，青海 西宁 810016；3.西宁市西山林场，青海 西宁 810008）
Author(s):
LIU Xiaoli1; 2; GU Wenyi1; 2; WEI Haibin1; 2; SHI Wenjun1; 2; LIAO Dong3
(1.Academy of Agriculture and Forestry，Qinghai University，Xining，Qinghai 810016；2.Qinghai Plateau Key Laboratory of Tree Genetics and Breeding，Xining，Qinghai 810016；3.Xishan Forest Farm of Xining City，Xining，Qinghai 810008)
关键词:
黄果梨; 生长节律; 拟合曲线
Keywords:
‘Huangguo Pear’; growth rhythm; fitting curve
DOI:
10.11937/bfyy.20194703
文献标志码:
A
摘要:
以十年生“黄果梨”为试材，开展其生长节律研究，并拟合回归曲线，进一步明确“黄果梨”枝条和果实生长规律，以期为生产提供参考依据。结果表明：“黄果梨”枝条年生长总体表现为先快后缓的增长趋势，5月中下旬为枝条生长的速生期，其后生长缓慢。果实发育经历迅速生长期、缓慢生长期、熟前速长期和采前缓慢增长期4个阶段，并且其发育过程滞后于枝条发育。“黄果梨”枝长生长以Logarithmic模型拟合效果最好，生长模型为H=0556ln(t)+2192；枝粗生长以Quadratic模型拟合效果最好，生长模型为D=-1E-05t2+0003t+0362；“黄果梨”果实纵横径的生长以Quadratic模型拟合效果最好，生长模型分别为Z=0000t2+0047t+1054和H=0000t2+0037t+0884。
Abstract:
Ten-year-old ‘Huangguo Pear’ was used as material，the growth rhythm was studied and regression curve was fitted to further clarify its branches and fruit growth rules，so as to provide the oretical basis for production.The results showed that the annual growth of the branches of ‘Huangguo Pear’ was fast at first and then slow.Fruit development go through four stages,rapid growth stage，slow growth stage，rapid growth stage before fruit ripening and slow growth stage before fruit harvest.Logarithmic model is the best fit for growth of vegetative branch length of ‘Huangguo Pear’，H=0556ln(t)+2192.Quadratic model is the best fit for vegetative branches growth of roughness，D=-1E-05t2+0003t+0362.Quadratic model is the best for the growth of pear fruit vertical and horizontal diameter，Z=0000t2+0047t+1054 and H=0000t2+0037t+0884.

参考文献/References:

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备注/Memo

第一作者简介：刘小利(1968-)，女，本科，研究员，硕士生导师，现主要从事资源保护与利用等研究工作。E-mail:xiaoli2408@sohu.com.基金项目：青海省科技厅成果转化资助项目（2019-NK-C03）。收稿日期：2019-12-12

更新日期/Last Update: 2020-12-01