[1]马华冰,陈利英,齐国辉,等.拉枝角度和枝条高度对早实核桃果实病害及日灼的影响初探[J].北方园艺,2019,43(21):20-24.[doi:10.11937/bfyy.20191011]
　MA Huabing,CHEN Liying,QI Guohui,et al.Preliminary Study on the Effects of Branch Angle and Branch Height on Disease and Sunburn of Precocious Walnut Fruit[J].Northern Horticulture,2019,43(21):20-24.[doi:10.11937/bfyy.20191011]
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拉枝角度和枝条高度对早实核桃果实病害及日灼的影响初探

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 43卷 期数: 2019年21 页码: 20-24 栏目: 出版日期: 2019-11-15
Title:
Preliminary Study on the Effects of Branch Angle and Branch Height on Disease and Sunburn of Precocious Walnut Fruit
作者:
马华冰1; 2; 3; 陈利英1; 2; 3; 齐国辉2; 3; 4; 强静莎1; 2; 3
（1.河北绿岭果业有限公司，河北 邢台 054300；2.河北省(邢台）核桃产业技术研究院，河北 邢台 054300；3.河北省核桃工程技术研究中心，河北 邢台 054300；4.河北农业大学 林学院，河北 保定 071000）
Author(s):
MA Huabing1; 2; 3; CHEN Liying1; 2; 3; QI Guohui2; 3; 4; QIANG Jingsha1; 2; 3
(1.Hebei Lyuling Fruit Co.Ltd.,Xingtai,Hebei 054300;2.Institute of Walnut Industry Technology of Hebei Province (Xingtai),Xingtai,Hebei 054300;3.Research Center for Walnut Engineering and Technology of Hebei,Xingtai,Hebei 054300;4.College of Forestry,Agricultural University of Hebei,Baoding,Hebei 071000)
关键词:
拉枝角度; 枝条高度; 果实病害; 日灼; 坚果品质
Keywords:
branch angle; branch height; fruit diseases; sunburn; nut quality
DOI:
10.11937/bfyy.20191011
文献标志码:
A
摘要:
以盛果期‘绿岭’核桃树为试材，对不同拉枝角度和不同着生高度枝条上果实发生病害及日灼的情况进行了研究，以期探索防治早实核桃果实病害及日灼的农艺措施。结果表明：随着拉枝角度增大，果实总数、好果数及好果率呈降低的趋势，病果率增大，日灼果率无显著差异，坚果品质呈降低的趋势，其中30°的好果率、单果质量、坚果直径和脂肪含量分别为30.71%、15.84 g、38.18 mm和67.68%；相比1.2 m以下着生的枝条，1.2 m以上着生枝条的果实总数和好果数均极显著增大，病果率极显著降低，日灼果率显著增大，坚果品质无显著差异；将拉枝角度和枝条着生位置高度综合考虑，着生位置在1.2 m以上的枝条，拉枝30°在结果总数、好果率、病果率、坚果单果质量、脂肪含量方面具有绝对优势，分别为13.50个、42.00%、46.50%、16.48 g、68.00%，其次为拉枝60°，但二者日灼果率较高，分别为11.50%和12.59%；着生位置在1.2 m以下的枝条中，以拉枝30°的坚果品质较高，其它指标无显著差异。综合分析认为，为了保证优质高产，1.2 m以上枝条的拉枝角度以30°~60°为宜，1.2 m以下以30°最佳。
Abstract:
In order to explore the agronomic measures to prevent and control the disease and sunburn occurrence of precocious walnut fruits,full fruit period walnut trees of ‘Lyuling’ were used as materials to study the disease and sunburn of fruits grown on branches at different angles and heights.The results showed that the total fruit number,good fruit number and good fruit rate decreased with the branch angle increased,and the diseased fruit rate increased,nevertheless,the sunburned fruit rate had no the significant difference,and the nut quality decreased.The good fruit rate,nut weight,nut diameter and kernel fat content of branch angle 30° were 30.71%,15.84 g,38.18 mm and 67.68%,respectively.Compared with the branch height below 1.2 m,the total fruit number and the good fruit number increased significantly than branch height above 1.2 m,the diseased fruit rate decreased significantly than branch height above 1.2 m,and the sunburned fruit rate increased significantly than branch height above 1.2 m,and the nut quality had no significant difference.Considering the branch bending angle and the branch growing height,among the branch height above 1.2 m,the branch bending angle 30° had absolute advantages in total fruit number,good fruit rate,diseased fruit rate,nut weight and kernel fat content,which were 13.50,42.00%,46.50%,16.48 g and 68.00% respectively,followed by the branch bending angle 60°,but the sunburned fruit rate of the two treatments were higher,which were 11.50% and 12.59%,respectively;among the branches below 1.2 m,the nut quality of the branch bending angle 30° was higher,and there had no significant difference in other indexes.Comprehensive analysis showed that in order to ensure high quality and high yield,the best angle for branches above 1.2 m was 30°-60° and the best angle for branches below 1.2 m was 30°.

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备注/Memo

第一作者简介：马华冰（1990-），女，硕士，工程师，现主要从事经济林栽培技术及生理等研究工作。E-mail：1063275072@qq.com.责任作者：陈利英（1977-），女，硕士，高级工程师，现主要从事经济林栽培技术及生理等研究工作。E-mail：chenliying0001@126.com.基金项目：河北省科技计划资助项目(18963002D)；河北省科技计划资助项目（16236810D）；2017年河北省中央财政林业科技推广示范资金资助项目。收稿日期：2019-05-05

更新日期/Last Update: 2019-12-05