|Table of Contents|

Effect of Photosynthetic Characteristics and Fruit Quality of ‘Korla Fragrant Pear’ in Different Tree Shapes and Tree Ages(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年16期
Page:
4-8
Research Field:
Publishing date:

Info

Title:
Effect of Photosynthetic Characteristics and Fruit Quality of ‘Korla Fragrant Pear’ in Different Tree Shapes and Tree Ages
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
Keywords:
photosynthetic characteristic; ‘Korla fragrant pear’; fruit quality; Xinjiang
PACS:
S661.2
DOI:
-
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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Last Update: 2014-09-25