|Table of Contents|

Effects of Tree-shaped Transformation on Photosynthetic Characteristics and Fruit Quality of ‘Kyoho’ Grape

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2020年17
Page:
16-22
Research Field:
Publishing date:

Info

Title:
Effects of Tree-shaped Transformation on Photosynthetic Characteristics and Fruit Quality of ‘Kyoho’ Grape
Author(s):
JIANG Li1; CHEN Qingxi1; CHEN Ting2; LIU Xinming2; XIE Qian1; LEI Yan1; 2
(1.College of Horticulture，Fujian Agriculture and Forestry University，Fuzhou，Fujian 350002；2.Fruit Research Institute，Fujian Academy of Agricultural Science，Fuzhou，Fujian 350013)
Keywords:
‘Kyoho’ grape; transformation of tree shape; photosynthetic characteristic; fruit quality
PACS:
-
DOI:
10.11937/bfyy.20194624
Abstract:
Using the ‘Kyoho’ grape under the condition of facility cultivation as material，the effect of two tree shapes of ‘one’ shape and high-dried inverted umbrella shape (commonly used in the local area，control) on the photosynthetic characteristics and fruit quality of grape leaves were compared，with a view to cultivation tree selection provided a theoretical basis.The results showed that the shape of ‘one’ could significantly improve the photosynthetic characteristics of the leaves of the grape plant，the sugar-acid ratio was significantly improved，the fruit flavor was better，and the fruit quality was improved.In the second year of tree transformation，the yield decreased significantly，and in the third year of transformation，the yield increased significantly but was still significantly lower than that of the high-dried inrerted umbrella shape.Due to the improvement of fruit quality and the increase of the unit price，the overall benefit was not significantly different from that of CK.In the third year after tree transformation，compared with the control，the ‘Y’ shape significantly promoted the chlorophyll synthesis of ‘Kyoho’ grape leaves.The total chlorophyll content of the transformed tree shape was significantly higher than the control 76 days after flowering，which improved the photosynthetic performance of the leaves.The lunch break was more serious at 11:00 noon，and the ‘one’ tree shape increased the actual photochemical quantum yield Y(Ⅱ) and electron transfer efficiency (ETR) of PSⅡ；it enhanced the photosynthetic activity and photoprotection ability，and increased the photochemical quenching coefficient.(qP) and non-photochemical quenching coefficient (NPQ)；significantly increased the soluble solids content and soluble sugar content of the fruit；the sugar-acid ratio was increased by 23.8% and 47.4% compared with the control over two years；the single grain quality and the anthocyanin content of the peel.The difference was not significant；the transformation of the tree shape significantly reduced the titratable acid content of the fruit，which was 13.6% and 30.8% lower than the control in two years，and the ascorbic acid content was slightly reduced.

References:

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Last Update: 2020-11-27