保水剂对4种典型荒漠植物种子萌发的影响
|
摘要
[目的]研究不同保水剂用量对4种典型荒漠植物种子萌发的影响,筛选种子包衣保水剂的适宜用量,为荒漠区植被恢复和荒漠化防治提供科学依据。[方法]以红砂(Reaumuria soongarica)、柠条(Caragana korshinskii)、泡果白刺(Nitraria sphaerocarpa)、花棒(Hedysarum scoparium)4种典型荒漠植物为研究对象,采用1%,4%,7%,10%,13%的保水剂对4种种子进行处理,测定4种种子的发芽率、发芽势、发芽指数。[结果]随保水剂用量的增加柠条种子发芽率呈现下降趋势,花棒、泡果白刺和红砂呈现先增加后降低的趋势,当保水剂用量为4%时发芽率最高;不同量保水剂处理对柠条和红砂种子发芽势影响显著(p<0.05)。随着保水剂用量的增加发芽势均呈现先增加后减小趋势,当保水剂用量为1%时柠条种子发芽势最高,4%时花棒、泡果白刺和红砂种子的发芽势最高;不同量保水剂处理对柠条、泡果白刺和红砂种子平均发芽速率和发芽指数影响显著(p<0.05),泡果白刺和红砂种子随着保水剂用量的增加呈现先增加后降低的趋势,当保水剂用量为4%时平均发芽速率和发芽指数最高,当保水剂用量为1%时,柠条种子发芽指数最大。[结论]保水剂用量对种子萌发的影响因物种而各异,适量的保水剂对典型荒漠植物种子的萌发具有促进作用。
[Objective] To study the effects of different dosages of water-retaining agents on seed germination of four typical desert plants, the suitable dosage of seed-coated water-retaining agents was screened to provide scientific basis for vegetation restoration and desertification control in desert areas. [Methods] Four typical desert plants, Reaumuria soongarica, Caragana korshinskii, Nitraria sphaerocarpa and Hedysarum scoparium, were studied. Their seeds were treated with 1%, 4%, 7%, 10%, and 13% water-retaining agents, and indices of germination rate, germination potential, average germination rate of these seeds were measured. [Results] With the increase of water-retaining agent dosage, the germination rate of Caragana korshinskii showed a downward trend. Hedysarum scoparium, Nitraria sphaerocarpa and Reaumuria soongarica showed a trend of increasing firstly and decreasing afterwards, and the highest germination rate showed when the amount of water retaining agent was 4%. The different amounts of water retaining agent had a significant effect(p<0.05) on the seeds of germination potential. The germination potential increased first and then decreased with the increase of the amount of water-retaining agent. When the amount of water-retaining agent was 1%, Caragana korshinskii had the highest germination potential, and when it was 4%, Hedysarum scoparium, Nitraria sphaerocarpa and Reaumuria soongarica had the highest germination potential. Different amounts of water-retaining agent treat had significant effects on seed average germination rate and germination index(p<0.05). The two indices of the seeds of Nitraria sphaerocarpa and Reaumuria soongarica increased first and then decreased with the increase of water-retaining agent dosage. The average germination rate and germination index were the highest at 4%. When the amount of water-retaining agent was 1%, Caragana korshinskii had the highest germination index. [Conclusion] The effect of water-retaining agent dosage on seed germination varied from species to species, and a suitable amount of water-retaining agent can promote the seed germination of typical desert plants.
[Objective] To study the effects of different dosages of water-retaining agents on seed germination of four typical desert plants, the suitable dosage of seed-coated water-retaining agents was screened to provide scientific basis for vegetation restoration and desertification control in desert areas. [Methods] Four typical desert plants, Reaumuria soongarica, Caragana korshinskii, Nitraria sphaerocarpa and Hedysarum scoparium, were studied. Their seeds were treated with 1%, 4%, 7%, 10%, and 13% water-retaining agents, and indices of germination rate, germination potential, average germination rate of these seeds were measured. [Results] With the increase of water-retaining agent dosage, the germination rate of Caragana korshinskii showed a downward trend. Hedysarum scoparium, Nitraria sphaerocarpa and Reaumuria soongarica showed a trend of increasing firstly and decreasing afterwards, and the highest germination rate showed when the amount of water retaining agent was 4%. The different amounts of water retaining agent had a significant effect(p<0.05) on the seeds of germination potential. The germination potential increased first and then decreased with the increase of the amount of water-retaining agent. When the amount of water-retaining agent was 1%, Caragana korshinskii had the highest germination potential, and when it was 4%, Hedysarum scoparium, Nitraria sphaerocarpa and Reaumuria soongarica had the highest germination potential. Different amounts of water-retaining agent treat had significant effects on seed average germination rate and germination index(p<0.05). The two indices of the seeds of Nitraria sphaerocarpa and Reaumuria soongarica increased first and then decreased with the increase of water-retaining agent dosage. The average germination rate and germination index were the highest at 4%. When the amount of water-retaining agent was 1%, Caragana korshinskii had the highest germination index. [Conclusion] The effect of water-retaining agent dosage on seed germination varied from species to species, and a suitable amount of water-retaining agent can promote the seed germination of typical desert plants.
引文
[1] 李维向,闫伟,刘朝霞,等.毛乌素沙区腹地提高飞播成效的技术措施研究[J].中国沙漠,2009,29(1):114-117.
[2] Zheng Yuanrun,Xie Zhixiao,Gao Yong,et al.Ecological restoration in Northern China:Germination characteristics of 9 key species in relation to air seeding[J].Belgian Journal of Botany,2003,136(2):129-138.
[3] 郑明清,郑元润,姜联合.毛乌素沙地4种沙生植物种子萌发及出苗对沙埋及单次供水的响应[J].生态学报,2005,26(8):2474-2484.
[4] 朱选伟,黄振英,张淑敏,等.浑善达克沙地冰草种子萌发、出苗和幼苗生长对土壤水分的反应[J].生态学报,2003,25(2):364-370.
[5] 原鹏飞.盐池沙地水分动态与干沙层形成规律研究[D].北京:北京林业大学,2009.
[6] 庄文化,冯浩,吴普特.高分子保水剂农业应用研究进展[J].农业工程学报,2007,23(6):265-270.
[7] 李晶晶,白岗栓.保水剂在水土保持中的应用及研究进展[J].中国水土保持科学,2012,10(1):114-120.
[8] Guo Liwei,Ning Tangyuan,Nie Liangpeng,et al.Interaction of deep placed controlled-release urea and water retention agent on nitrogen and water use and maize yield[J].European Journal of Agronomy,2016,75:118-129.
[9] 李兴,蒋进,宋春武,等.保水剂对梭梭(Haloxylon ammodendron)、白梭梭(Haloxylon persicum)种子萌发及幼苗根系的影响[J].干旱区研究,2012,29(5):797-801.
[10] 李莹,杨瀚,朱喆,等.保水剂对中国沙棘种子萌发的影响[J].内蒙古林业科技,2016,42(2):23-25.
[11] 李加国,郎思睿,汪晓峰.保水剂包衣对柠条种子萌发及幼苗生长的影响[J].干旱区研究,2014,31(2):307-312.
[12] 杨永辉,武继承,吴普特,等.保水剂用量对小麦不同生育期根系生理特性的影响[J].应用生态学报,2011,22(1):73-78.
[13] 单立山,李毅,石万里,等.土壤水分胁迫对红砂幼苗生长和渗透调节物质的影响[J].水土保持通报,2015,35(6):106-109.
[14] 杨杰,曹昀,王秀文,等.保水剂对高羊茅种子萌发及幼苗生理的影响[J].水土保持研究,2017(1):351-356.
[15] Bowman D C,Evans R Y.Calcium inhibition of polyacrylamide gel hydration is partially reversible by potassium [J].Hortscience A Publication of the American Society for Horticultural Science,1991,26(8):1063-1065.
[16] Arbona V,Iglesias D J,Jacas J,et al.Hydrogel substrate amendment alleviates drought effects on young citrus plants[J].Plant & Soil,2005,270(1):73-82.
[17] Omidian H,Rocca J G,Park K.Advances in superporous hydrogels [J].Journal of Controlled Release Official Journal of the Controlled Release Society,2005,102(1):3-12.
[18] 李章成.保水剂对水土流失及土壤可蚀性因子的影响[D].重庆:西南农业大学,2005.
[19] 黄占斌,朱书全,张铃春,等.保水剂在农业改土节水中的效应研究[J].水土保持研究,2004,11(3):57-60.
[20] Gardner W R.Representation of soil aggregate-size distribution by a logarithmic-normal distribution[J].Soil Science Society of America Journal,1956,20(2):151-153.
[21] 许紫峻,汪溪远,师庆东,等.不同材质保水剂对玉米生长综合效率的DEA模型分析[J].水土保持研究,2017,24(6):160-166.
[22] 朱凯,张飞,柯福来,等.机械化高粱芽苗形态建成及生理特性对保水剂的响应[J].江苏农业科学,2016,44(10):161-161.
[23] 毛思帅,Islam M R,贾鹏飞,等.保水剂和施肥量对沙地燕麦生产的影响[J].麦类作物学报,2011,31(2):120-125.
[24] 谢勇,李永胜.保水剂对基质栽培菜心生长及水分利用效率的影响[J].水土保持研究,2008,15(4):228-230.
[25] 苏立强,李加国,姜祛寒,等.水分缓释在柠条复合型包衣种子中的研究[J].北京林业大学学报,2015,37(10):96-102.
[26] Su Liqiang,Li Jiaguo,Xue Hua,et al.Super absorbent polymer seed coatings promote seed germination and seedling growth of Caragana korshinskii in drought [J].Journal of Zhejiang University-Science(B):Biomedicine&Biotechnology,2017,18(8):696-706.
[27] 杨新乐,王冬梅,汪晓峰.干旱条件下保水剂对丸化沙打旺种子萌发及幼苗生长的影响[J].水土保持通报,2014,34(6):89-93.
[2] Zheng Yuanrun,Xie Zhixiao,Gao Yong,et al.Ecological restoration in Northern China:Germination characteristics of 9 key species in relation to air seeding[J].Belgian Journal of Botany,2003,136(2):129-138.
[3] 郑明清,郑元润,姜联合.毛乌素沙地4种沙生植物种子萌发及出苗对沙埋及单次供水的响应[J].生态学报,2005,26(8):2474-2484.
[4] 朱选伟,黄振英,张淑敏,等.浑善达克沙地冰草种子萌发、出苗和幼苗生长对土壤水分的反应[J].生态学报,2003,25(2):364-370.
[5] 原鹏飞.盐池沙地水分动态与干沙层形成规律研究[D].北京:北京林业大学,2009.
[6] 庄文化,冯浩,吴普特.高分子保水剂农业应用研究进展[J].农业工程学报,2007,23(6):265-270.
[7] 李晶晶,白岗栓.保水剂在水土保持中的应用及研究进展[J].中国水土保持科学,2012,10(1):114-120.
[8] Guo Liwei,Ning Tangyuan,Nie Liangpeng,et al.Interaction of deep placed controlled-release urea and water retention agent on nitrogen and water use and maize yield[J].European Journal of Agronomy,2016,75:118-129.
[9] 李兴,蒋进,宋春武,等.保水剂对梭梭(Haloxylon ammodendron)、白梭梭(Haloxylon persicum)种子萌发及幼苗根系的影响[J].干旱区研究,2012,29(5):797-801.
[10] 李莹,杨瀚,朱喆,等.保水剂对中国沙棘种子萌发的影响[J].内蒙古林业科技,2016,42(2):23-25.
[11] 李加国,郎思睿,汪晓峰.保水剂包衣对柠条种子萌发及幼苗生长的影响[J].干旱区研究,2014,31(2):307-312.
[12] 杨永辉,武继承,吴普特,等.保水剂用量对小麦不同生育期根系生理特性的影响[J].应用生态学报,2011,22(1):73-78.
[13] 单立山,李毅,石万里,等.土壤水分胁迫对红砂幼苗生长和渗透调节物质的影响[J].水土保持通报,2015,35(6):106-109.
[14] 杨杰,曹昀,王秀文,等.保水剂对高羊茅种子萌发及幼苗生理的影响[J].水土保持研究,2017(1):351-356.
[15] Bowman D C,Evans R Y.Calcium inhibition of polyacrylamide gel hydration is partially reversible by potassium [J].Hortscience A Publication of the American Society for Horticultural Science,1991,26(8):1063-1065.
[16] Arbona V,Iglesias D J,Jacas J,et al.Hydrogel substrate amendment alleviates drought effects on young citrus plants[J].Plant & Soil,2005,270(1):73-82.
[17] Omidian H,Rocca J G,Park K.Advances in superporous hydrogels [J].Journal of Controlled Release Official Journal of the Controlled Release Society,2005,102(1):3-12.
[18] 李章成.保水剂对水土流失及土壤可蚀性因子的影响[D].重庆:西南农业大学,2005.
[19] 黄占斌,朱书全,张铃春,等.保水剂在农业改土节水中的效应研究[J].水土保持研究,2004,11(3):57-60.
[20] Gardner W R.Representation of soil aggregate-size distribution by a logarithmic-normal distribution[J].Soil Science Society of America Journal,1956,20(2):151-153.
[21] 许紫峻,汪溪远,师庆东,等.不同材质保水剂对玉米生长综合效率的DEA模型分析[J].水土保持研究,2017,24(6):160-166.
[22] 朱凯,张飞,柯福来,等.机械化高粱芽苗形态建成及生理特性对保水剂的响应[J].江苏农业科学,2016,44(10):161-161.
[23] 毛思帅,Islam M R,贾鹏飞,等.保水剂和施肥量对沙地燕麦生产的影响[J].麦类作物学报,2011,31(2):120-125.
[24] 谢勇,李永胜.保水剂对基质栽培菜心生长及水分利用效率的影响[J].水土保持研究,2008,15(4):228-230.
[25] 苏立强,李加国,姜祛寒,等.水分缓释在柠条复合型包衣种子中的研究[J].北京林业大学学报,2015,37(10):96-102.
[26] Su Liqiang,Li Jiaguo,Xue Hua,et al.Super absorbent polymer seed coatings promote seed germination and seedling growth of Caragana korshinskii in drought [J].Journal of Zhejiang University-Science(B):Biomedicine&Biotechnology,2017,18(8):696-706.
[27] 杨新乐,王冬梅,汪晓峰.干旱条件下保水剂对丸化沙打旺种子萌发及幼苗生长的影响[J].水土保持通报,2014,34(6):89-93.
© 2004-2018 中国地质图书馆版权所有 京ICP备05064691号 京公网安备11010802017129号 地址：北京市海淀区学院路29号 邮编：100083 电话：办公室：(+86 10)66554848；文献借阅、咨询服务、科技查新：66554700 |