|Table of Contents|

Study on German Wine Grape Varieties Photosynthetic Characteristics in Different Months in Yinchuan Area(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2016年17
Page:
40-42
Research Field:
Publishing date:

Info

Title:
Study on German Wine Grape Varieties Photosynthetic Characteristics in Different Months in Yinchuan Area
Author(s):
CHEN Jingrui1HAN Lei2
(1.Ningxia Technical College of Wine and Desertification Prevention,Yongning,Ningxia 750199;2.Ningxia Shizuishan City Dawukou Area Green Team,Shizuishan,Ningxia 753099)
Keywords:
German wine grapesnet photosynthetic ratestomatal conductancetranspiration rate
PACS:
-
DOI:
10.11937/bfyy.201617009
Abstract:
Choosing threeyearold wine grape seedlings introduced from Germany as the research object, the monthly change and its law of different grape varieties’ photosynthesis were analyzed. The results showed that the photosynthesis change of German wine varieties was significant in the month. Net photosynthetic rate of different varieties was bimodal curve. The highest value (15.04,18.06 μmol?m-2?s-1) of ‘Souyigniergris’ variety appeared in May and July. Meanwhile the transpiration rate, stomatal conductance and intercellular CO2 concentration of different varieties showed regular changes with extension of the month, some were single peak curve, some were bimodal curve . But transpiration rate of ‘Souyigniergris’ maintained at a high level throughout June to August. The relationship between stomatal conductance and transpiration rate were positively correlated, but intercellular CO2 concentration and net photosynthetic rate were negative correlation. Therefore, ‘Souyigniergris’ variety in 7 grape varieties, had the strongest photosynthesis, the potential of increasing production. Transpiration rate of ‘Cabernet Cortis’ variety was the smallest, the ability of drought resistance was better than other varieties.

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Last Update: 2016-10-13