自由纺锤形果桑光合特性的研究
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摘要
以831A、红果3号及中桑5801为试材,研究了自由纺锤形树形下果桑的光合特性,对净光合速率日变化、月变化、年周期变化及不同方位叶片净光合速率进行了测定。结果表明,上午东南部叶片光照强,光合作用较强,下午西部叶片光合作用强,一天中果桑叶片净光合速率日变化峰值出现在10:30;5月果实生长季节净光合速率峰值出现在5月9日;全年果桑净光合速率在6月达到最高值,此后开始下降,直至落叶;生长季节果桑叶片叶绿素含量均维持在较高水平。
With the 831A,Hongguo 3 and Zhongsang 5801 as materials,the photosynthetic characteristics by free spindle pruning mode were studied in this paper.The diurnal,monthly and yearly courses of net photosynthetic rate was determined.The results showed that the net photosynthetic rate of leaves on the east-south were higher than west-north leaves in the morning,the opposite results occurred in the afternoon.The peak value of net photosynthetic rate in diurnal courses was the highest at 10:30.The peak value of net photosynthetic rate was the highest on May 9 th during the fruit ripening period in May.The net photosynthetic rate was the highest in June during the growing season.The chlorophyll content remained high level during the growing season.
With the 831A,Hongguo 3 and Zhongsang 5801 as materials,the photosynthetic characteristics by free spindle pruning mode were studied in this paper.The diurnal,monthly and yearly courses of net photosynthetic rate was determined.The results showed that the net photosynthetic rate of leaves on the east-south were higher than west-north leaves in the morning,the opposite results occurred in the afternoon.The peak value of net photosynthetic rate in diurnal courses was the highest at 10:30.The peak value of net photosynthetic rate was the highest on May 9 th during the fruit ripening period in May.The net photosynthetic rate was the highest in June during the growing season.The chlorophyll content remained high level during the growing season.
引文
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[2]成根杰.山西桑树资源利用现状及发展模式探讨[J].山西农业科学,2010,38(10):70-73.
[3]胡在进.果桑资源的研究开发与综合利用[J].现代农业科技,2013(1):102-103.
[4]唐翠明,罗国庆.果用桑品种育种研究概况[J].蚕桑通报,2004,35(2):1-5.
[5]曾菊根.果桑栽植与管理技术要点[J].桑蚕茶叶通讯,2010(5):12-13.
[6]田秀铭,田光辉.北方干旱山区果桑栽培技术[J].北方蚕业,2008,29(4):57-58.
[7]余秀真,张艳玲.果桑的生产管理技术[J].河南农业,2012(11):13.
[8]王彦佰,周建强.果桑密植丰产栽植技术[J].河南农业,2013(1):11-12.
[9]刘秋萍,吕全明,彭希洪,等.果桑优质高产栽培技术[J].上海农业科技,2011(1):53-54.
[10]冯雪梅,梁玉文,李阿波,等.宁夏中部干旱带果桑优良品种引进及筛选研究[J].北方园艺,2011(20):22-23.
[11]杨逸文,吕志强.果桑品种引种试验[J].浙江农业科学,2011(6):1243-1245.
[12]钟石,丁天龙,李有贵,等.新疆药桑桑椹中的主要营养活性成分检测分析[J].蚕业科学,2012(6):1067-1072.
[13]吕银,陈祥平,范小敏,等.几个果桑新品种的桑椹营养组分及含量分析[J].蚕业科学,2015(6):1132-1136.
[14]谢鹏,牛自勉,蔚露,等.树形模式对梨树叶片荧光特性的影响[J].山西农业科学,2016,44(9):1263-1267,1307.
[15]高扬,李树海,杨丽芳,等.不同果桑品种结果初期结实习性与果实品质分析[J].黑龙江农业科学,2016(2):111-113.
[16]陈琴,陈莉敏,郑群英,等.5种牧草叶片上不同部位的SPAD值比较[J].草业科学,2014,31(7):1318-1322.
[17]郭冬各,于翠,李勇,等.桑树品种育71-1的光合特性研究[J].湖北农业科学,2012,51(24):5693-5699.
[18]安连荣,张洪武,尹家凤,等.桑树光合作用特性的研究[J].蚕业科学,2000(2):115-117.