纽荷尔脐橙果实生长与气象要素的相关性
【目的】探讨低纬度高海拔地区纽荷尔脐橙果实生长发育规律及其与气温、降水量和光照等气象因子的相关性,为广西低纬度高海拔地区纽荷尔脐橙高产优质栽培提供依据。【方法】以广西百色市靖西县南坡乡荷朗村种植的纽荷尔脐橙品种为试材,定期测定其果实纵、横径,运用Logistic方程模拟果实体积增长指标与生长时间的关系式,分析果实体积增长与气温、降水量和光照的相关性。【结果】纽荷尔脐橙果实纵、横径在果实整个生长过程中出现3个明显的生长高峰期,呈单S形曲线增长;Logistic拟合模型的相关系数均达极显著差异水平(P〈0.01)。8月下旬至9月上旬是纽荷尔果实生长的最大效能期;4~11月果实逐月净生长量与气温、降...
Saved in:
Published in | 南方农业学报 Vol. 46; no. 5; pp. 844 - 849 |
---|---|
Main Author | |
Format | Journal Article |
Language | Chinese |
Published |
广西大学农学院,南宁,530005
2015
|
Subjects | |
Online Access | Get full text |
Cover
Loading…
Summary: | 【目的】探讨低纬度高海拔地区纽荷尔脐橙果实生长发育规律及其与气温、降水量和光照等气象因子的相关性,为广西低纬度高海拔地区纽荷尔脐橙高产优质栽培提供依据。【方法】以广西百色市靖西县南坡乡荷朗村种植的纽荷尔脐橙品种为试材,定期测定其果实纵、横径,运用Logistic方程模拟果实体积增长指标与生长时间的关系式,分析果实体积增长与气温、降水量和光照的相关性。【结果】纽荷尔脐橙果实纵、横径在果实整个生长过程中出现3个明显的生长高峰期,呈单S形曲线增长;Logistic拟合模型的相关系数均达极显著差异水平(P〈0.01)。8月下旬至9月上旬是纽荷尔果实生长的最大效能期;4~11月果实逐月净生长量与气温、降水量和光照变化呈显著正相关(P〈0.05)。低纬度高海拔地区纽荷尔脐橙表现果大,单果均重278.7g、果形指数0.96、可溶性固形物含量11.15%、可滴定酸含量3.58 g/100 m L、固酸比3.10∶1、糖酸比2.90∶1。【结论】广西低纬度高海拔地区纽荷尔脐橙果实生长动态变化可运用Logistic方程模型拟合,其果实的生长发育与气温、降水量和光照有密切的相关性。生产中可在纽荷尔脐橙果实迅速膨大时期(8~9月)利用当地有利的气温、降水量和光照等气象条件促进果实更好地生长发育,改善果实品质。 |
---|---|
Bibliography: | 45-1381/S YANG Pei-li, ZHOU Dao-jun, JIANG Xin, TANG Zhi-peng (Agricultural College of Guangxi University, Nanning 530005, China) Newhall navel orange; Logistic model; meteorological elements; regression analysis; low-latitude andhigh-altitude areas [Objective]In order to provide the basis for high yield and quality cultivation techniques of Newhall navel orange fruit in low-latitude and high-altitude areas of Guangxi, the correlation of temperature, precipitation, sunlight and other meteorological factors with growth and development laws of Newhall navel orange fruit in low-latitude and high-alti- tude areas was investigated. [Method]Taking Newhall navel orange from Helang village, Nanpo township, Jingxi country, Baise city of Guangxi as materials, the vertical and horizontal diameters of fruit were regularly measured, and then Logis- tic equation was establish for fitting relationship between fruit volume growth index and growth time to analyze correlations between fruit volume growth and temperature, and betw |
ISSN: | 2095-1191 |
DOI: | 10.3969/j:issn.2095-1191.2015.5.844 |