自然越冬过程中4个引进菠萝蜜品种抗寒性比较
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摘要
以4个国外引进的菠萝蜜品种MD、MB、MX、MS为材料,观测其自然越冬过程中(2017年11月至2018年3月)田间寒害情况,同时测定叶片电导率、可溶性糖含量、丙二醛含量、超氧化物歧化酶活性,比较各生理指标和田间寒害情况。结果表明,各指标均呈先升后降的变化趋势,且峰值多出现在1月,4个菠萝蜜品种的抗寒能力由强到弱排列顺序:MS>MX>MB>MD,该结果为菠萝蜜品种在南宁地区引种和适应性栽培提供科学参考依据。
Taking four foreign jackfruit varieties MD, MB, MX and MS as materials,we conducted an experiment to observe and analyze their cold damage in field during natural overwintering period(from Nov. 2017 to Mar. 2018), and simultaneously determine and compare their various physiological indexes including leaf electric conductivity, soluble sugar,malondialdehyde(MDA) and the activities of superoxide dismutase(SOD). The results show that all indexes increased first and then decreased, and the peak value mostly appeared in January.The cold resistance of the tested cultivars ranked from high to low was: MS>MX>MB>MD.The results provide a scientific reference for the introduction and adaptive cultivation of jackfruit varieties in Nanning.
Taking four foreign jackfruit varieties MD, MB, MX and MS as materials,we conducted an experiment to observe and analyze their cold damage in field during natural overwintering period(from Nov. 2017 to Mar. 2018), and simultaneously determine and compare their various physiological indexes including leaf electric conductivity, soluble sugar,malondialdehyde(MDA) and the activities of superoxide dismutase(SOD). The results show that all indexes increased first and then decreased, and the peak value mostly appeared in January.The cold resistance of the tested cultivars ranked from high to low was: MS>MX>MB>MD.The results provide a scientific reference for the introduction and adaptive cultivation of jackfruit varieties in Nanning.
引文
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[14]张捷,杨淑梅,王玲.低温胁迫下两个“竹柳”品系的抗寒性[J].林业科学,2013,49(9):158-164.
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[2]方桂红,詹达谋.我国菠萝蜜研究现状[J].粮食与油脂,2018,31(4):1-3.
[3]李丽淑,杨鑫,唐洲萍,等.广西冬种马铃薯不同品种耐寒性比较[J].福建农业学报,2017,32(6):587-592.
[4]程军勇,姜德志,邓先珍,等.低温胁迫下的油茶品种耐寒性评价[J].湖北农业科学,2017,56(18):3484-3488.
[5]孙程旭,陈良秋,冯美利,等.槟榔不同品种幼苗耐寒性比较初步研究[J].西南农业学报,2009,22(6):1686-1689.
[6]张树宝,苏志刚,李淑霞,等.电导法等测定欧美彩叶树抗寒性试验研究[J].北方园艺,2009(2):178-189.
[7]王学奎.植物生理生化实验原理和技术山[M].2版.北京:高等教育出版社,2006.
[8] XU S C,LI Y P,HU J,et al. Responses of antioxidant enzymes to chilling stress in tobacco seedlings[J]. Aricultural Sciences in China,2010,9:1594-1601.
[9]周真珍,史端甫,李力,等.马铃薯东农303、大西洋在低温胁迫下生理生化及光合特性的比较[J].江西农业学报,2016,28(5):24-27.
[10]张鹏翀,王挺,刘锦,等.电导法配合logistic方程测定5种高架绿化植物的抗寒性[J].广东农业科学,2013(19):49-54.
[11]陈珏.低温弱光胁迫对马铃薯光合生理特性的影响[D].长沙:湖南农业大学,2011.
[12]申晓慧,姜成,冯鹏,等.6种紫花苜蓿越冬前后几个抗寒生理指标变化研究[J].农学学报,2015,5(12):94-98.
[13]黄海涛,余继忠,王贤波,等.不同抗寒性茶树品种秋季新梢的生理特性研究[J].浙江农业学报,2014,26(4):925-928.
[14]张捷,杨淑梅,王玲.低温胁迫下两个“竹柳”品系的抗寒性[J].林业科学,2013,49(9):158-164.
[15]梁艳荣,胡晓红,张颖力,等.植物过氧化物酶生理功能研究进展[J].内蒙古农业大学学报,2003,24(2):110-113.