盐酸处理对白羊草种子活力的影响
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摘要
[目的]探讨盐酸脱绒处理对白羊草种子活力的影响。[方法]通过浓度(V/V)为30%、40%、50%、60%和70%的盐酸分别处理0、1、5、10和15min,分析其发芽率、平均发芽时间、发芽指数和幼苗活力指数的变化规律。[结果]盐酸浓度及浸种时间均对白羊草种子活力具有极显著(P<0.01)影响。白羊草种子发芽率、发芽指数和幼苗活力指数均随盐酸浓度的增加而降低,而其平均发芽时间则逐渐增大;盐酸浓度为30%～60%时,白羊草种子发芽率、发芽指数和幼苗活力指数均随浸种时间的延长呈先升后降的趋势,70%盐酸浸种时则呈下降趋势。[结论]轻度盐酸浸种能有效提高白羊草种子的活力,但过度盐酸浸种则相反。浓度为30%的盐酸浸种1min时对白羊草种子活力具有最佳的促进作用。
[Objectives]This study was undertaken to investigate the influence of hydrochloric acidon seed vigour of Bothriochloa ischaemum.[Methods]B.ischaemum seeds were soaked in hydrochloric acid atdifferent concentrations of 10%,20%,30%,40%,and 50% for 0,1,5,10,and 15 min,and the variations in term of germination percentage,mean germination time,germination index,and seedling vigour indexwere analyzed to determine the impact of delinting treatments with hydrochloric acidon the seed germination of B.ischaemum.[Results]The influence of both hydrochloric acid concentrations and soaking times were significantly higher(P<0.001)on the seed vigor of Bi.schaemum.The germination percentage,germination index and seedling vigor index of Bi.schaemum were decreased with the increase of hydrochloric acid concentrations,while their mean germination time was gradually prolonged.When the concentrations of hydrochloric acid were between 10% and 40%,the germination percentage,germination index,andseedling vigor index of B.chaemum were increased at the beginning and then declined with the extension of soaking time,and peaked at the concentration of 40%.[Conclusion]The seed vigour of Bi.schaemum could be effectively improved by mild treatments with hydrochloric acid,but the negative effects were observed by excessive treatments with hydrochloric acid.The most effective treatment in term of promoting the seed vigour of Bi.schaemum was using hydrochloric acid atthe concentration of 10% and seed soaking for 1 min.
[Objectives]This study was undertaken to investigate the influence of hydrochloric acidon seed vigour of Bothriochloa ischaemum.[Methods]B.ischaemum seeds were soaked in hydrochloric acid atdifferent concentrations of 10%,20%,30%,40%,and 50% for 0,1,5,10,and 15 min,and the variations in term of germination percentage,mean germination time,germination index,and seedling vigour indexwere analyzed to determine the impact of delinting treatments with hydrochloric acidon the seed germination of B.ischaemum.[Results]The influence of both hydrochloric acid concentrations and soaking times were significantly higher(P<0.001)on the seed vigor of Bi.schaemum.The germination percentage,germination index and seedling vigor index of Bi.schaemum were decreased with the increase of hydrochloric acid concentrations,while their mean germination time was gradually prolonged.When the concentrations of hydrochloric acid were between 10% and 40%,the germination percentage,germination index,andseedling vigor index of B.chaemum were increased at the beginning and then declined with the extension of soaking time,and peaked at the concentration of 40%.[Conclusion]The seed vigour of Bi.schaemum could be effectively improved by mild treatments with hydrochloric acid,but the negative effects were observed by excessive treatments with hydrochloric acid.The most effective treatment in term of promoting the seed vigour of Bi.schaemum was using hydrochloric acid atthe concentration of 10% and seed soaking for 1 min.
引文
[1]李京春,王荣花,孙伟.‘千日白’和‘天人菊’种子脱绒和PEG处理后的生理生化变化研究[J].西北农业学报,2006,15(5):255-257.
[2]尤佳.基于高光谱图像的脱绒棉种活力检测方法研究[D].石河子:石河子大学,2017.
[3]黄蒂云.基于高光谱图像技术的脱绒棉种品种鉴别方法研究[D].石河子:石河子大学,2018.
[4]王吉亮,卢勇涛,杨怀君,等.脱绒棉种精选技术现状[J].江苏农业科学,2014,42(9):5-7.
[5]李京春.四种花卉种子的脱绒技术及其生理变化研究[D].杨凌:西北农林科技大学,2006.
[6]王继平.稀盐酸处理番茄种子脱绒的操作技术[J].甘肃农业科技,2002(10):23.
[7]毛居代·亚尔买买提,夏依买旦·沙塔尔,米丽班·霍加艾合买提,等.不同处理对哈密芜菁种子萌发的影响[J].新疆师范大学学报(自然科学版),2017,36(3):25-32.
[8]宋超,王跃华,赵钢,等.不同酸处理对苦荞种子萌发和幼苗生长的影响[J].种子,2015,34(8):79-82.
[9]赵秋菊,寇明明,罗伏青,等.种子处理对西瓜细菌性果腐病种子带菌的影响[J].中国种业,2008(12):56-57.
[10]姬奇武,韩汝旦,董宽虎,等.山西不同居群白羊草的营养成分及瘤胃降解规律[J].草业学报,2015,24(9):53-62.
[11]苏国霞,丁文利,刘金彪,等.施氮和供水对混播和单播白羊草叶片叶绿素荧光特性的影响[J].植物资源与环境学报,2017,26(1):10-20.
[12]韩汝旦,姬奇武,董宽虎,等.4个白羊草居群产量及营养品质等特性的比较研究[J].草地学报,2016,24(1):204-209.
[13]王京,高志娟,舒佳礼,等.黄土丘陵区白羊草与达乌里胡枝子混播草地生产力与土壤水分利用研究[J].西北农业学报,2016,25(2):173-181.
[14]李文达,王国梁,刘国彬,等.N添加对白羊草生长及种群特征的影响[J].水土保持通报,2016,36(1):174-178.
[15]李磊,董宽虎.山西白羊草染色体核型分析[J].草地学报,2017,25(1):38-41.
[16]郭晋梅,刘娟,董宽虎.PEG胁迫对白羊草种子萌发的影响[J].中国草地学报,2015,37(2):58-62.
[17]夏方山,王婷婷,董秋丽,等.外源H2O2处理对燕麦种子活力的影响[J].草业学报,2018,27(3):201-207.
[18]李明,周志疆,隋雪燕,等.番茄种子脱绒与发芽关系的研究[J].山西农业科学,2003,31(1):45-47.
[19]贾永华,王飞,孙伟,等.着毛花卉种子的脱绒技术及聚乙二醇对脱绒种子损伤的修复作用[J].中国农学通报,2005,21(10):251-254.
[2]尤佳.基于高光谱图像的脱绒棉种活力检测方法研究[D].石河子:石河子大学,2017.
[3]黄蒂云.基于高光谱图像技术的脱绒棉种品种鉴别方法研究[D].石河子:石河子大学,2018.
[4]王吉亮,卢勇涛,杨怀君,等.脱绒棉种精选技术现状[J].江苏农业科学,2014,42(9):5-7.
[5]李京春.四种花卉种子的脱绒技术及其生理变化研究[D].杨凌:西北农林科技大学,2006.
[6]王继平.稀盐酸处理番茄种子脱绒的操作技术[J].甘肃农业科技,2002(10):23.
[7]毛居代·亚尔买买提,夏依买旦·沙塔尔,米丽班·霍加艾合买提,等.不同处理对哈密芜菁种子萌发的影响[J].新疆师范大学学报(自然科学版),2017,36(3):25-32.
[8]宋超,王跃华,赵钢,等.不同酸处理对苦荞种子萌发和幼苗生长的影响[J].种子,2015,34(8):79-82.
[9]赵秋菊,寇明明,罗伏青,等.种子处理对西瓜细菌性果腐病种子带菌的影响[J].中国种业,2008(12):56-57.
[10]姬奇武,韩汝旦,董宽虎,等.山西不同居群白羊草的营养成分及瘤胃降解规律[J].草业学报,2015,24(9):53-62.
[11]苏国霞,丁文利,刘金彪,等.施氮和供水对混播和单播白羊草叶片叶绿素荧光特性的影响[J].植物资源与环境学报,2017,26(1):10-20.
[12]韩汝旦,姬奇武,董宽虎,等.4个白羊草居群产量及营养品质等特性的比较研究[J].草地学报,2016,24(1):204-209.
[13]王京,高志娟,舒佳礼,等.黄土丘陵区白羊草与达乌里胡枝子混播草地生产力与土壤水分利用研究[J].西北农业学报,2016,25(2):173-181.
[14]李文达,王国梁,刘国彬,等.N添加对白羊草生长及种群特征的影响[J].水土保持通报,2016,36(1):174-178.
[15]李磊,董宽虎.山西白羊草染色体核型分析[J].草地学报,2017,25(1):38-41.
[16]郭晋梅,刘娟,董宽虎.PEG胁迫对白羊草种子萌发的影响[J].中国草地学报,2015,37(2):58-62.
[17]夏方山,王婷婷,董秋丽,等.外源H2O2处理对燕麦种子活力的影响[J].草业学报,2018,27(3):201-207.
[18]李明,周志疆,隋雪燕,等.番茄种子脱绒与发芽关系的研究[J].山西农业科学,2003,31(1):45-47.
[19]贾永华,王飞,孙伟,等.着毛花卉种子的脱绒技术及聚乙二醇对脱绒种子损伤的修复作用[J].中国农学通报,2005,21(10):251-254.