硝酸钙对百香果种子萌发的影响
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摘要
为探索Ca (NO_3)_2对百香果种子萌发的影响,采用不同浓度Ca (NO_3)_2溶液对台农一号、紫香1号、黄金3个百香果品种的种子进行处理,研究Ca (NO_3)_2对百香果种子发芽势、发芽率、发芽指数和活力指数的影响。结果表明:3个百香果品种的种子发芽率随Ca (NO_3)_2浓度的增加呈下降趋势,除10mg·L~(-1)处理外,其他处理与对照差异均达显著水平;紫香1号百香果种子丙二醛(MDA)含量随Ca (NO_3)_2浓度的增加而显著降低,台农一号和黄金百香果种子除10mg·L~(-1)处理外,其他处理与对照相比均显著降低;3个百香果品种的种子发芽势、发芽指数、活力指数、相对电导率和胚芽鲜质量均随Ca (NO_3)_2浓度的增加而显著降低。因此,Ca (NO_3)_2处理对百香果种子萌发有抑制作用,且随着Ca (NO_3)_2浓度的提高,抑制萌发效果增加。
In order to explore the effect of Ca(NO_3)_2 on seed germination of passionfruit,seeds of Tainongyihao,Zixiangyihao and Golden passionfruit were treated with different concentrations of Ca(NO_3)_2.The effects of Ca(NO_3)_2 on the germination energy,germination rate,germination index and vigor index of seed were studied.The results showed that the seed germination rate of three passionfruit varieties decreased with the increase of Ca(NO_3)_2.Except for the treatment with 10 mg·L~(-1),the difference between other treatments and the control was significant.The content of MDA in Zixiangyihao decreased significantly with the increase of Ca(NO_3)_2,and that in Tainongyihao and Golden passionfruit also decreased significantly comparing with the control,except for 10 mg·L~(-1).The germination potential,germination index,vigor index,relative conductivity and germ fresh weight decreased significantly with the increase of Ca(NO_3)_2.Therefore,Ca(NO_3)_2 inhibited seed germination of passionfruit,and with the increase of Ca(NO_3)_2,the inhibitory effect increased.
In order to explore the effect of Ca(NO_3)_2 on seed germination of passionfruit,seeds of Tainongyihao,Zixiangyihao and Golden passionfruit were treated with different concentrations of Ca(NO_3)_2.The effects of Ca(NO_3)_2 on the germination energy,germination rate,germination index and vigor index of seed were studied.The results showed that the seed germination rate of three passionfruit varieties decreased with the increase of Ca(NO_3)_2.Except for the treatment with 10 mg·L~(-1),the difference between other treatments and the control was significant.The content of MDA in Zixiangyihao decreased significantly with the increase of Ca(NO_3)_2,and that in Tainongyihao and Golden passionfruit also decreased significantly comparing with the control,except for 10 mg·L~(-1).The germination potential,germination index,vigor index,relative conductivity and germ fresh weight decreased significantly with the increase of Ca(NO_3)_2.Therefore,Ca(NO_3)_2 inhibited seed germination of passionfruit,and with the increase of Ca(NO_3)_2,the inhibitory effect increased.
引文
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[2]高峰,张颖.蔬菜大棚、温室土壤存在的问题和对策[J].中国农业科学,2004,37(11):1745-1759.
[3]张俊侠,孙德平,司友斌.设施土壤蔬菜栽培的障碍因子研究[J].安徽农学通报,2001,7(4):52-53.
[4]韩志平,郭晓东,张海霞,等.硝酸钙胁迫对黄瓜种子萌发特性的影响[J].山西农业科学,2013,41(11):1186-1189.
[5]郑少文,邢国明,亢秀萍,等.黄瓜幼苗对硝酸钙胁迫耐受性研究[J].山西农业大学学报(自然科学版),2014,34(3):254-257.
[6]朱余清,王军,崔素兰.不同使用年限蔬菜大棚土壤盐渍化程度及其改良措施[J].江苏农业科学,2011,39(5):482-485.
[7]艾天成,李方敏,黄志新.设施土壤盐分组成特征分析[J].湖北农业科学,2006,45(3):316-317.
[8]李合生.植物生理生化实验原理和技术[M].北京:高等教育出版社,2000:258-260.
[9]王学奎.植物生理生化试验原理和技术[M].北京:高等教育出版社,2006:118-119.
[10]吴凤萍,韩清芳,覃志宽.4个白花苜蓿品系种子萌发期耐盐性研究[J].草业科学,2008(8):57-62.
[11]祝娟娟,丁天龙,魏从进,等.盐胁迫下不同桑品种种子萌发特性研究[J].蚕学通讯,2013,33(1):1-6.
[12]薛继澄,李家金,毕德义,等.保护地栽培土壤硝酸盐积累对辣椒生长和锰含量的影响[J].南京农业大学学报,1995,18(1):53-57.
[13]郭文忠,王学梅,李丁仁,等.保护地土壤次生盐渍化对茼蒿生长发育和硝酸盐积累的影响[J].陕西农业科学,2003(2):3-4,19.
[14]斯琴巴特,吴红英.盐胁迫对玉米种子萌发及幼苗生长的影响[J].干旱区资源与环境,2000,14(4):76-80.
[15]杨秀玲,郁继华,李雅佳,等.NaCl胁迫对黄瓜种子萌发及幼苗生长的影响[J].甘肃农业大学学报,2004,39(1):6-9.
[16]刘才宇,朱培蕾,赵贵云,等.硝酸钙对不同品系番茄种子萌发的影响[J].安徽农业大学学报,2009,36(4):683-687.
[17]缑锋利.NaCl胁迫下8个苜蓿品种萌发期耐盐性比较研究[J].陕西农业科学,2011(3):78-82.
[18]孙涌栋,罗未蓉,李新峥,等.Ca2+对黄瓜种子萌发及幼苗生理特性的影响[J].西南农业学报,2008,21(3):629-632.
[19]郑兴莲,申书兴,王彦华,等.硝酸钙胁迫对茄子幼苗生长及生理生化指标的影响[J].河北农业大学学报,2006(6):18-20.