Study on Photosynthetic Characteristics of Four Southern Highbush Blueberry Species(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Study on Photosynthetic Characteristics of Four Southern Highbush Blueberry Species

Author(s):: LI Gen-zhu¹; ZHANG Zi-chuan¹; WANG He-xin¹; LUO Guo-hua²; ZHENG Yun-pu¹; 1.Institute of Modern Agricultural Research,Dalian University,Dalian,Liaoning 116622;
2.Huarui Blueberry Industry Co.Ltd,Heyuan,Guangdong 517000

Keywords:: southern highbush blueberry; blueberry varieties; photosynthetic characteristics

Abstract:: Taking four southern highbush blueberry species in Dalian,northeast China as materials,using LI-6400XT portable photosynthesis system,the net photosynthetic rate-temperature curves from 25～36℃ and the net photosynthetic rate-light intensity curves including 1 200,1 000,800,600,400,200,100,50,30,10,and 0 μmol·m^-2·s^-1?were measured.The results showed that the net photosynthesis rate of ‘Gulfcoast’ was the highest one and that of ‘Bluebell’ was the lowest one among all the measured species under high temperature conditions.In terms of light response ability,the ‘Gulfcoast’ was the highest one and the order from high to low was ‘Gulfcoast’>‘Biloxi’>‘Bluebell’>‘Cooper’.Moreover,‘Gulfcoast’ species had the highest transpiration rates and the other three species (‘Cooper’,‘Biloxi’ and ‘Bluebell’) had lower transpiration rates under warmer conditions.The aim of this study was important significance for introducing southern highbush blueberry species to other regions of China.

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Last Update: 2014-08-13