CN106993608A - 一种加快海桐种子发芽的保藏方法 - Google Patents

一种加快海桐种子发芽的保藏方法 Download PDF

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CN106993608A
CN106993608A CN201710112568.6A CN201710112568A CN106993608A CN 106993608 A CN106993608 A CN 106993608A CN 201710112568 A CN201710112568 A CN 201710112568A CN 106993608 A CN106993608 A CN 106993608A
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堵美娟
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Abstract

本发明主要涉及种植技术领域,公开了一种加快海桐种子发芽的保藏方法,包括:种子预处理、种子杀菌、种子干燥、种子保藏;方法简单,便于操作,使海桐种子的发芽时间缩短为15~20天,发芽率达到91.3%,节约大量种植成本,经济收入提高21.6%;海桐种子采摘后加入柴油溶液和海桐皮,能够抑菌杀虫,促进柴油溶液的吸收,提高种子的pH,调节种子的生理激素,降低种子内抑制发芽物质的活性,加快种子发芽;向种子中加入杀菌剂溶液,既能抑菌杀虫,又能提供种子较多的营养成分,激活种子发芽,缩短种子休眠期,减缓种子内水分蒸发,加快种子发芽;将杀菌后的种子进行冷冻干燥,保留种子的营养成分和发芽能力,缩短种子的发芽时间。

Description

一种加快海桐种子发芽的保藏方法
技术领域
本发明主要涉及种植技术领域,尤其涉及一种加快海桐种子发芽的保藏方法。
背景技术
海桐别名海桐花、山矾,根、叶和种子均入药,根能祛风活络、散瘀止痛;叶能解毒、止血;种子能涩肠、固精;海桐还有很大的观赏价值,对二氧化硫等有毒气体有较强的抗性,随着绿化事业的发展,海桐的需求量也越来越大,然而目前海桐的播种繁殖率较低,发芽率只能达到50%左右,播种后60~70天才能发芽,明显提高了种植成本,因此,需要一种加快海桐种子发芽的保藏方法。
发明内容
为了弥补已有技术的缺陷,本发明的目的是提供一种加快海桐种子发芽的保藏方法。
一种加快海桐种子发芽的保藏方法,包括以下步骤:
(1)种子预处理:海桐种子采摘后,去除不成熟及损坏的种子,立即喷洒柴油溶液,喷洒量为海桐种子重量的23~25%,加入海桐皮,能够抑菌杀虫,促进柴油溶液的吸收,增强种子抗逆性,提高种子的pH,调节种子的生理激素,降低种子内抑制发芽物质的活性,缩短种子的休眠期,混合均匀,于-12~-10℃静置40~45小时,搓去种皮,得预处理种子;
(2)种子杀菌:将杀菌剂溶液加入预处理种子中,加入量为种子重量的21~23%,于4~8℃静置50~55小时,既能抑菌杀虫,又能提供种子较多的营养成分,激活种子发芽,缩短种子休眠期,减缓种子内水分蒸发,加快种子发芽,得杀菌种子;
(3)种子干燥:将杀菌种子置于冷冻干燥机,冷冻温度为-41~-39℃,隔板加热温度为36~38℃,冷冻干燥至含水量为9~11%,降低种子含水量,减弱种子呼吸,保留种子的营养成分和发芽能力,缩短种子的发芽时间,节约种植成本,得干燥种子;
(4)种子保藏:将干燥种子装于保鲜袋内密封,置于冰箱内冷藏,简单高效,便于操作,改变了传统的沙藏方法。
所述步骤(1)的柴油溶液,是向-50#柴油中加入柴油等重量的质量分数为3.6~3.8%的食用碱溶液,混合均匀,加热煮沸后,保温3~5分钟,自然冷却至室温,得到柴油。
所述步骤(1)的海桐皮,加入量为海桐种子的22~24%,粒径为0.5~1.2cm,含水量为17~19%。
所述步骤(2)的杀菌剂溶液,由以下重量份的原料制成:喜树果33~35、清香桂根29~31、牛筋条27~29、鼠李22~24、羟乙基纤维素2.3~2.5、泼尼松龙0.26~0.28、甲磺酸伊马替尼0.12~0.14;所述杀菌剂溶液的制备方法,将喜树果、清香桂根、牛筋条和鼠李粉碎至100~140目,加入所有原料重量500~600倍量的水,煎煮至体积为原料的1/5,加入泼尼松龙和甲磺酸伊马替尼,搅拌至完全溶解,加入羟乙基纤维素,混合均匀,打破种子休眠,缩短种子的发芽时间,提高种子的吸水能力,节约种植成本,得杀菌剂溶液。
所述步骤(4)的冷藏,温度为1~4℃。
本发明的优点是:本发明提供的一种加快海桐种子发芽的保藏方法,方法简单,便于操作,保藏4年后,种子的生活力保持98.2%,使海桐种子的发芽时间缩短为20~25天,发芽率仍能达到81.3%,节约大量种植成本,经济收入提高21.6%;海桐种子采摘后加入柴油溶液和海桐皮,能够抑菌杀虫,促进柴油溶液的吸收,提高种子的pH,增强种子抗逆性,调节种子的生理激素,降低种子内抑制发芽物质的活性,缩短种子的休眠期,加快种子发芽;向种子中加入杀菌剂溶液,既能抑菌杀虫,又能提供种子较多的营养成分,激活种子发芽,缩短种子休眠期,减缓种子内水分蒸发,加快种子发芽;将杀菌后的种子进行冷冻干燥,降低种子含水量,减弱种子呼吸,保留种子的营养成分和发芽能力,羟乙基纤维素、泼尼松龙和甲磺酸伊马替尼能够打破种子休眠,缩短种子的发芽时间,提高种子的吸水能力,节约种植成本;将冷冻干燥后的种子置于冰箱内进行保藏,改变了传统的沙藏方法,简单高效,便于操作。
具体实施方式
下面用具体实施例说明本发明。
实施例1
一种加快海桐种子发芽的保藏方法,包括以下步骤:
(1)种子预处理:海桐种子采摘后,去除不成熟及损坏的种子,立即喷洒柴油溶液,喷洒量为海桐种子重量的23%,加入海桐皮,能够抑菌杀虫,促进柴油溶液的吸收,提高种子的pH,调节种子的生理激素,降低种子内抑制发芽物质的活性,缩短种子的休眠期,混合均匀,于-12℃静置40小时,搓去种皮,得预处理种子;
(2)种子杀菌:将杀菌剂溶液加入预处理种子中,加入量为种子重量的21%,于4℃静置50小时,既能抑菌杀虫,又能提供种子较多的营养成分,激活种子发芽,缩短种子休眠期,减缓种子内水分蒸发,加快种子发芽,得杀菌种子;
(3)种子干燥:将杀菌种子置于冷冻干燥机,冷冻温度为-41℃,隔板加热温度为36℃,冷冻干燥至含水量为9%,降低种子含水量,减弱种子呼吸,保留种子的营养成分和发芽能力,缩短种子的发芽时间,节约种植成本,得干燥种子;
(4)种子保藏:将干燥种子装于保鲜袋内密封,置于温度为1℃的冰箱内冷藏,简单高效,便于操作,改变了传统的沙藏方法。
所述步骤(1)的柴油溶液,是向-50#柴油中加入柴油等重量的质量分数为3.6%的食用碱溶液,混合均匀,加热煮沸后,保温3分钟,自然冷却至室温,得到柴油。
所述步骤(1)的海桐皮,加入量为海桐种子的22%,粒径为0.5cm,含水量为17%。
所述步骤(2)的杀菌剂溶液,由以下重量份的原料制成:喜树果33、清香桂根29、牛筋条27、鼠李22、羟乙基纤维素2.3、泼尼松龙0.26、甲磺酸伊马替尼0.12;所述杀菌剂溶液的制备方法,将喜树果、清香桂根、牛筋条和鼠李粉碎至100~140目,加入所有原料重量500倍量的水,煎煮至体积为原料的1/5,加入泼尼松龙和甲磺酸伊马替尼,搅拌至完全溶解,加入羟乙基纤维素,混合均匀,得杀菌剂溶液。
实施例2
一种加快海桐种子发芽的保藏方法,包括以下步骤:
(1)种子预处理:海桐种子采摘后,去除不成熟及损坏的种子,立即喷洒柴油溶液,喷洒量为海桐种子重量的23~25%,加入海桐皮,能够抑菌杀虫,促进柴油溶液的吸收,提高种子的pH,调节种子的生理激素,降低种子内抑制发芽物质的活性,缩短种子的休眠期,混合均匀,于-12~-10℃静置40~45小时,搓去种皮,得预处理种子;
(2)种子杀菌:将杀菌剂溶液加入预处理种子中,加入量为种子重量的21~23%,于4~8℃静置50~55小时,既能抑菌杀虫,又能提供种子较多的营养成分,激活种子发芽,缩短种子休眠期,减缓种子内水分蒸发,加快种子发芽,得杀菌种子;
(3)种子干燥:将杀菌种子置于冷冻干燥机,冷冻温度为-41~-39℃,隔板加热温度为36~38℃,冷冻干燥至含水量为9~11%,降低种子含水量,减弱种子呼吸,保留种子的营养成分和发芽能力,缩短种子的发芽时间,节约种植成本,得干燥种子;
(4)种子保藏:将干燥种子装于保鲜袋内密封,置于温度为1~4℃的冰箱内冷藏,简单高效,便于操作,改变了传统的沙藏方法。
所述步骤(1)的柴油溶液,是向-50#柴油中加入柴油等重量的质量分数为3.6~3.8%的食用碱溶液,混合均匀,加热煮沸后,保温3~5分钟,自然冷却至室温,得到柴油。
所述步骤(1)的海桐皮,加入量为海桐种子的22~24%,粒径为0.5~1.2cm,含水量为17~19%。
所述步骤(2)的杀菌剂溶液,由以下重量份的原料制成:喜树果33~35、清香桂根29~31、牛筋条27~29、鼠李22~24、羟乙基纤维素2.3~2.5、泼尼松龙0.26~0.28、甲磺酸伊马替尼0.12~0.14;所述杀菌剂溶液的制备方法,将喜树果、清香桂根、牛筋条和鼠李粉碎至100~140目,加入所有原料重量500~600倍量的水,煎煮至体积为原料的1/5,加入泼尼松龙和甲磺酸伊马替尼,搅拌至完全溶解,加入羟乙基纤维素,混合均匀,得杀菌剂溶液。
实施例3
一种加快海桐种子发芽的保藏方法,包括以下步骤:
(1)种子预处理:海桐种子采摘后,去除不成熟及损坏的种子,立即喷洒柴油溶液,喷洒量为海桐种子重量的23~25%,加入海桐皮,能够抑菌杀虫,促进柴油溶液的吸收,提高种子的pH,调节种子的生理激素,降低种子内抑制发芽物质的活性,缩短种子的休眠期,混合均匀,于-12~-10℃静置40~45小时,搓去种皮,得预处理种子;
(2)种子杀菌:将杀菌剂溶液加入预处理种子中,加入量为种子重量的21~23%,于4~8℃静置50~55小时,既能抑菌杀虫,又能提供种子较多的营养成分,激活种子发芽,缩短种子休眠期,减缓种子内水分蒸发,加快种子发芽,得杀菌种子;
(3)种子干燥:将杀菌种子置于冷冻干燥机,冷冻温度为-41~-39℃,隔板加热温度为36~38℃,冷冻干燥至含水量为9~11%,降低种子含水量,减弱种子呼吸,保留种子的营养成分和发芽能力,缩短种子的发芽时间,节约种植成本,得干燥种子;
(4)种子保藏:将干燥种子装于保鲜袋内密封,置于温度为1~4℃的冰箱内冷藏,简单高效,便于操作,改变了传统的沙藏方法。
所述步骤(1)的柴油溶液,是向-50#柴油中加入柴油等重量的质量分数为3.6~3.8%的食用碱溶液,混合均匀,加热煮沸后,保温3~5分钟,自然冷却至室温,得到柴油。
所述步骤(1)的海桐皮,加入量为海桐种子的22~24%,粒径为0.5~1.2cm,含水量为17~19%。
所述步骤(2)的杀菌剂溶液,由以下重量份的原料制成:喜树果33~35、清香桂根29~31、牛筋条27~29、鼠李22~24、羟乙基纤维素2.3~2.5、泼尼松龙0.26~0.28、甲磺酸伊马替尼0.12~0.14;所述杀菌剂溶液的制备方法,将喜树果、清香桂根、牛筋条和鼠李粉碎至100~140目,加入所有原料重量500~600倍量的水,煎煮至体积为原料的1/5,加入泼尼松龙和甲磺酸伊马替尼,搅拌至完全溶解,加入羟乙基纤维素,混合均匀,得杀菌剂溶液。
对比例1
去除步骤(1)中的柴油溶液,其余方法,同实施例1。
对比例2
去除步骤(1)中的海桐皮,其余方法,同实施例1。
对比例3
步骤(2)中杀菌剂溶液改为传统的高锰酸钾溶液,其余方法,同实施例1。
对比例4
去除步骤(3),其余方法,同实施例1。
对比例5
步骤(4)中的冰箱改为阴凉通风的室外,其余方法,同实施例1。
对比例6
现有传统的沙藏方法。
实施例和对比例海桐种子保藏方法的保藏效果:
分别选择同一批次的成熟、完整的海桐种子9000粒,随机分为9组,每组1000粒,分别用实施例和对比例的保藏方法将种子保藏4年,检测种子的生活力,在安徽省的同一地区进行春播,播种和管理方法相同,观察种子的发芽状况,实施例和对比例海桐种子保藏方法的保藏效果见表1。
表1:实施例和对比例海桐种子保藏方法的保藏效果
项目 生活力(%) 发芽率(%) 发芽时间(d)
实施例1 97.8 80.7 24
实施例2 98.2 81.3 22
实施例3 97.6 81.9 22
对比例1 89.5 67.8 39
对比例2 90.7 70.5 31
对比例3 81.9 64.6 40
对比例4 80.8 63.7 43
对比例5 86.4 66.3 49
对比例6 51.2 32.4 64
从表1的结果表明,实施例的加快海桐种子发芽的保藏方法,生活力和发芽率明显较对比例高,发芽时间明显较沙藏方法短,说明本发明提供的加快海桐种子发芽的保藏方法具有很好的保藏效果。

Claims (5)

1.一种加快海桐种子发芽的保藏方法,其特征在于,包括以下步骤:
(1)种子预处理:海桐种子采摘后,去除不成熟及损坏的种子,立即喷洒柴油溶液,喷洒量为海桐种子重量的23~25%,加入海桐皮,混合均匀,于-12~-10℃静置40~45小时,搓去种皮,得预处理种子;
(2)种子杀菌:将杀菌剂溶液加入预处理种子中,加入量为种子重量的21~23%,于4~8℃静置50~55小时,得杀菌种子;
(3)种子干燥:将杀菌种子置于冷冻干燥机,冷冻温度为-41~-39℃,隔板加热温度为36~38℃,冷冻干燥至含水量为9~11%,得干燥种子;
(4)种子保藏:将干燥种子装于保鲜袋内密封,置于冰箱内冷藏。
2.根据权利要求1所述加快海桐种子发芽的保藏方法,其特征在于,所述步骤(1)的柴油溶液,是向-50#柴油中加入柴油等重量的质量分数为3.6~3.8%的食用碱溶液,混合均匀,加热煮沸后,保温3~5分钟,自然冷却至室温,得到柴油。
3.根据权利要求1所述加快海桐种子发芽的保藏方法,其特征在于,所述步骤(1)的海桐皮,加入量为海桐种子的22~24%,粒径为0.5~1.2cm,含水量为17~19%。
4.根据权利要求1所述加快海桐种子发芽的保藏方法,其特征在于,所述步骤(2)的杀菌剂溶液,由以下重量份的原料制成:喜树果33~35、清香桂根29~31、牛筋条27~29、鼠李22~24、羟乙基纤维素2.3~2.5、泼尼松龙0.26~0.28、甲磺酸伊马替尼0.12~0.14;所述杀菌剂溶液的制备方法,将喜树果、清香桂根、牛筋条和鼠李粉碎至100~140目,加入所有原料重量500~600倍量的水,煎煮至体积为原料的1/5,加入泼尼松龙和甲磺酸伊马替尼,搅拌至完全溶解,加入羟乙基纤维素,混合均匀,得杀菌剂溶液。
5.根据权利要求1所述加快海桐种子发芽的保藏方法,其特征在于,所述步骤(4)的冷藏,温度为1~4℃。
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