|Table of Contents|

Effect of Different Pruning Quantity on Apple Photosynthetic Ability and Fruit Quality in Full Fruit Period(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2013年15期
Page:
11-15
Research Field:
Publishing date:

Info

Title:
Effect of Different Pruning Quantity on Apple Photosynthetic Ability and Fruit Quality in Full Fruit Period
Author(s):
ZHU Xue-rong; ZHANG Wen; LI Bing-zhi; FAN Chong-hui
College of Horticulture,Northwest Agricultural and Forestry University,Yangling,Shaanxi 712100
Keywords:
apple tree in full fruit period; pruning quantity; photosynthetic ability; canopy light intensity; fruit quality
PACS:
S 661.1
DOI:
-
Abstract:
Taking 18 year-old ‘Red Fuji’ apple tree as materials,the effect of different pruning quantity with light pruning,light pruning+summer pruning,medium pruning,medium pruning+summer pruning,heavy pruning on photosynthetic ability and canopy light intensity,fruit quality of apple tree in full fruit period were studied.The results showed that the suitable pruning quality was winter medium pruning+summer pruning shoots,because the treatment increased the canopy relative light intensity,promoted photosynthetic ability,and improved yields,fruit weight,and fruit quality in full fruit period.The relative canopy relative light intensity were measured in the layer of upper,middle and lower,the photosynthetic rate,stomatal conductance and transpiration rate of apple leaves increased and intercellular CO2concentration decreased greatly when winter pruning degree was increased gradually.When winter pruning degree was increased,the fruit yields,fruit weight,firmness,the content of soluble solid and vitamin C,anthocyanin increased and the content of titratable acid decreased significantly.

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Last Update: 2014-08-11