乡土树种革叶铁榄(Sinosideroxylon wightianum)的种子萌发特性
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摘要
革叶铁榄隶属山榄科铁榄属,是一种具有重要生态修复价值和园林绿化潜力的树种。为促进革叶铁榄的育种繁育,以革叶铁榄种子为试验材料,对其种子进行不同条件处理,研究其萌发率、发芽率、发芽值、平均发芽日数。结果表明:随着浓度的升高各指标呈现先上升后下降的趋势。体积分数为0.5%的乙烯利(ETH)、浓度为0.005g·mL~(-1)的赤霉素(GA3)的处理效果最佳,萌发率分别为83.33%和76.00%;且萌发速度最快,发芽最整齐。
Sinosideroxylon wightianumlisted as Sinosideroxylon,Salicaceae.It is a native tree species with important ecological restoration value and potential for landscaping.In order to reveal the germination law of S.wightianumand apply it to breeding,the germination experiments were taken under different treatment conditions.All the seeds were collected from South Mountain Park.The results showed that,the group that treated with 0.5%(volume fraction)ETH had the highest germination rate(83.33%)after treated 24 hours.And it′s germination speed was fastest and it′s germ was most neat and tidy.The group that treated with GA3(0.005 g·mL~(-1))also had the highest germination rate(76.00%)and the fastest speed.Concluding that the two reagents both could facilitate the germination of Sinosideroxylon wightianumsignificantly.
Sinosideroxylon wightianumlisted as Sinosideroxylon,Salicaceae.It is a native tree species with important ecological restoration value and potential for landscaping.In order to reveal the germination law of S.wightianumand apply it to breeding,the germination experiments were taken under different treatment conditions.All the seeds were collected from South Mountain Park.The results showed that,the group that treated with 0.5%(volume fraction)ETH had the highest germination rate(83.33%)after treated 24 hours.And it′s germination speed was fastest and it′s germ was most neat and tidy.The group that treated with GA3(0.005 g·mL~(-1))also had the highest germination rate(76.00%)and the fastest speed.Concluding that the two reagents both could facilitate the germination of Sinosideroxylon wightianumsignificantly.
引文
[1] Hodder K H,Bullock J M.Translocation of native speciesin the UK:Implications for biodiversity[J].Journal of Applied Ecology,1997,34:547-565.
[2]张旭东,董林水,周金星,等.2005.珍稀乡土树种福建柏苗期DRIS营养诊断[J].生态学报,25(5):1165-1170.
[3]刘军,邓星,罗连,等.深圳大南山地区铁榄群落研究[J].热带亚热带植物学报,2010,18(5):523-529.
[4]钟军弟,李先琨,叶铎,等.广西木论国家级自然保护区铁榄群落优势种群的生态位研究[J].植物资源与环境学报,2009,18(3):38-43.
[5]张建亮,李先琨,吕仕洪,等.广西木论自然保护区铁榄群落主要乔木种群格局的分形特征[J].植物科学学报,2009,27(6):622-628.
[6]何琦,高亦珂.不同处理下萱草种子萌发研究[J].种子,2011(7):94-96.
[7]陈开秀,周君英,杨庆.不同催芽处理对种子发芽的影响[J].新疆八一农学院学报,1983,3(4):49-54.
[8]郭尚磊,尼珍,泽仁旺姆.赤霉素浸种对藏波罗花种子发芽的影响[J].甘肃农业科技,2011(10):24-25.
[9]秦立金,徐振军,袁树祥.乙烯利浸种对冬季日光温室黄瓜种子萌发与幼苗生长的影响[J].安徽农业科学,2007(33):10601-10602.
[10]方志荣,苏智先,胡进耀.脱落酸、赤霉素和乙烯对种子休眠的萌发和调控[J].西华师范大学学报(自然科学版),2007(2):127-132.
[11]匡银近.猕猴桃种子经赤霉素处理后几种酶的活力变化的初步研究[J].孝感师专学报,1998,18(4):58-61.
[12]毕荣璐,李青松,韩晓玉,等.酸蚀处理及赤霉素处理对苦楝树种子萌发的影响[J].种子,2012(12):71-73.
[13]刘小金,徐大平,张宁南,等.赤霉素对檀香种子发芽及幼苗生长的影响[J].种子,2010(8):71-74.
[14]徐小玉,张凤银,曹阳.赤霉素和乙烯利对美女樱种子萌发及幼苗生长的影响[J].种子,2014(6):72-74.
[2]张旭东,董林水,周金星,等.2005.珍稀乡土树种福建柏苗期DRIS营养诊断[J].生态学报,25(5):1165-1170.
[3]刘军,邓星,罗连,等.深圳大南山地区铁榄群落研究[J].热带亚热带植物学报,2010,18(5):523-529.
[4]钟军弟,李先琨,叶铎,等.广西木论国家级自然保护区铁榄群落优势种群的生态位研究[J].植物资源与环境学报,2009,18(3):38-43.
[5]张建亮,李先琨,吕仕洪,等.广西木论自然保护区铁榄群落主要乔木种群格局的分形特征[J].植物科学学报,2009,27(6):622-628.
[6]何琦,高亦珂.不同处理下萱草种子萌发研究[J].种子,2011(7):94-96.
[7]陈开秀,周君英,杨庆.不同催芽处理对种子发芽的影响[J].新疆八一农学院学报,1983,3(4):49-54.
[8]郭尚磊,尼珍,泽仁旺姆.赤霉素浸种对藏波罗花种子发芽的影响[J].甘肃农业科技,2011(10):24-25.
[9]秦立金,徐振军,袁树祥.乙烯利浸种对冬季日光温室黄瓜种子萌发与幼苗生长的影响[J].安徽农业科学,2007(33):10601-10602.
[10]方志荣,苏智先,胡进耀.脱落酸、赤霉素和乙烯对种子休眠的萌发和调控[J].西华师范大学学报(自然科学版),2007(2):127-132.
[11]匡银近.猕猴桃种子经赤霉素处理后几种酶的活力变化的初步研究[J].孝感师专学报,1998,18(4):58-61.
[12]毕荣璐,李青松,韩晓玉,等.酸蚀处理及赤霉素处理对苦楝树种子萌发的影响[J].种子,2012(12):71-73.
[13]刘小金,徐大平,张宁南,等.赤霉素对檀香种子发芽及幼苗生长的影响[J].种子,2010(8):71-74.
[14]徐小玉,张凤银,曹阳.赤霉素和乙烯利对美女樱种子萌发及幼苗生长的影响[J].种子,2014(6):72-74.