[1]孙桂丽,玉苏甫,阿不力提甫,等.树形及树龄对‘库尔勒香梨’光合特征及 果实品质的影响[J].北方园艺,2014,38(16):4-8.
　SUN Gui-li,YUSUFU?Abulitifu,U Min,et al.Effect of Photosynthetic Characteristics and Fruit Quality of ‘Korla Fragrant Pear’ in Different Tree Shapes and Tree Ages[J].Northern Horticulture,2014,38(16):4-8.
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树形及树龄对‘库尔勒香梨’光合特征及 果实品质的影响

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第38卷 期数: 2014年16期 页码: 4-8 栏目: 出版日期: 2014-08-30
Title:
Effect of Photosynthetic Characteristics and Fruit Quality of ‘Korla Fragrant Pear’ in Different Tree Shapes and Tree Ages
文章编号:
1001-0009(2014)16-0004-05
作者:
孙桂丽1; 2; 3; 玉苏甫; 阿不力提甫1; 3; 徐敏1; 李疆1; 3; 梅闯1
1.新疆农业大学 林学与园艺学院，新疆 乌鲁木齐 830052；
2.干旱区林业生态与产业技术重点实验室，新疆 乌鲁木齐 830052；
3..新疆农业大学 特色果树研究中心，新疆 乌鲁木齐 830052
Author(s):
SUN Gui-li1; 2; 3; YUSUFU?Abulitifu1; 3; ＸU Min1; LI Jiang1; 3; MEI Chuang1
1.College of Forestry and Horticulture,Xinjiang Agricultural University,Urumqi,Xinjiang 830052;
2.Key Laboratory at Universities of Education Department of Xinjiang Uygur Autonomous Region,Urumqi,Xinjiang 830052;
3.Featured Fruit Tree Research Center,Xinjiang Agricultural University,Urumqi,Xinjiang 830052
关键词:
光合特征; ‘库尔勒香梨’; 果实品质; 新疆
Keywords:
photosynthetic characteristic; ‘Korla fragrant pear’; fruit quality; Xinjiang
分类号:
S661.2
文献标志码:
A
摘要:
以‘库尔勒香梨’为试材，设置盛果开心形、盛果疏散形、衰老开心形和衰老疏散形4个处理，研究了树形及树龄对光合特征及果实品质的影响。结果表明：在整个果实膨大期，盛果疏散形香梨园内的光照强度最大；盛果疏散形净光合速率极显著大于盛果开心形；疏散形蒸腾速率低于开心形，衰老期的蒸腾速率要稍低于盛果期树，但差异不显著；疏散形水分利用率比开心形高。在果实品质方面，各处理香梨的平均单果重和果形指数没有显著差异，但衰老开心形修剪的果形指数和单果重均最小，盛果期疏散形的萼片脱落状况和果实色泽优于其它处理；果实可溶性固形物含量和维生素C含量盛果期显著高于衰老期，石细胞含量衰老开心形极显著高于其它3种处理（P<0.01），果实可溶性糖含量盛果开心形显著高于其它处理（P<0.05），疏散形维生素C含量极显著大于开心形（P<0.01），可滴定酸含量和果实硬度没有明显差别。综合各果实品质指标，盛果期果实品质优于衰老期，疏散形修剪果实的品质优于开心形修剪树。
Abstract:
Taking ‘Korla fragrant pear’ as materials,four treatments(full fruit period with delayed-open central leader shape,full fruit period with open center shape,senescence phase with open center shape,senescence phase with delayed-open central leader shape)were set,the photosynthetic characteristic changes in different tree shapes and ages of ‘Korla fragrant pear’ were studied.The results showed that there were some differences of the diurnal variation of light intensity and photosynthetic parameters in different tree shapes and tree ages.Light intensity was largest in full fruit period in delayed-open central leader shape.Pn of full fruit period in delayed-open central leader shape was significantly greater than full fruit period in open center shape.The water use efficiency (WUE) of delayed-open central leader shape was higher than open center shape.By compared the fruit quality in different tree shapes and different tree ages,fruit index and fruit weigh were no significant difference,but minimum in open center shape in senescence period.Pear fruit sepals off condition and color in full fruit period in delayed-open central leader shape was better than other treatments.And the soluble solid material and vitamin C content in full fruit period was obviously greater than in senescence period.The stone cell content was obviously greater at P≤0.01 in open center shape in senescence period than other three treatments.The soluble sugar content was obviously greater at P≤0.05 in open center shape in full fruit period than other three treatments.The vitamin C content was obviously greater at P≤0.01 in delayed-open central leader shape than open center shape.There were no evident difference in firmness acidity and fruit firmness.So the fruit quality in full fruit period tree was better than in senescence period tree.The fruit quality of delayed-open central leader shape was better than open center shape.

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备注/Memo

第一作者简介：孙桂丽（1979-），女，河南兰考人，博士，副教授，现主要从事果树生理生态等研究工作。E-mail:sxfgl@126.com.

责任作者：李疆（1958-），男，湖南邵东人，教授，博士生导师，研究方向为果树栽培生理与种质资源。E-mail：lijiangxj@163.com.
基金项目：中国博士后基金资助项目；新疆农业大学校前期课题资助项目（XJAV201213）；新疆自治区果树学开放课题资助项目；新疆自治区科技重大专项课题资助项目（201130102-1）；国家果树瓜类改良中心新疆分中心建设资助项目。

更新日期/Last Update: 2014-09-25