CN114794104B - 一种植物生长调节剂、制备方法及使用方法 - Google Patents
一种植物生长调节剂、制备方法及使用方法 Download PDFInfo
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- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/08—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
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Abstract
本发明属于农产品贮藏技术领域,具体涉及一种根茎类蔬菜植物生长调节剂、制备方法以及该植物生长调节剂的制备方法。本发明所提供的根茎类蔬菜植物生长调节剂,包括以下重量份数的原料:樟脑和/或薄荷脑30~50;茶树油5~12;辅料40~65,辅料为硅藻土、陶土、滑石粉、白炭黑中的至少一种。通过本发明的方法所获得的植物生长调节剂,在蔬菜贮藏的整个过程中(休眠期和非休眠期)均适用,并且无论这两个阶段中的哪个阶段都表现出优异的抑芽效果。本发明的植物生长调节剂,为固体形态,避免了普通的市售植物生长调节剂在抑芽时却容易导致蔬菜腐烂这一不良后果;并且固体粉末形态的植物生长调节剂,保存方便、稳定性强,且使用方便。
Description
技术领域
本发明属于农产品贮藏技术领域,具体涉及一种植物生长调节剂、制备方法以及该植物生长调节剂的使用方法。
背景技术
根茎类蔬菜在贮藏过程中,仍然保持着正常的生命活动,当其渡过了休眠期后,在具备发芽条件时极易发芽。发芽不仅致使营养成分损失,还会产生大量的有害物质,比如马铃薯发芽时会产生龙葵素,严重影响了马铃薯的食用价值和商品率。
以马铃薯为例,常见的抑芽方法有:低温(低于4℃)贮藏,但是低温贮藏的缺点是容易产生低温糖化,加工用马铃薯易发生美拉德反应,造成褐变。目前普遍使用的抑芽剂氯苯胺灵,虽然其抑芽效果好,但对动植物有致突变和致癌作用,已被禁用或即将被禁用。
关于马铃薯在贮藏过程中抑制发芽的技术,以下的专利文献进行过披露:
CN106305986 A披露了一种抑制马铃薯发芽的方法,其所采用的抑芽剂为香茅油、芫荽籽油、薄荷油、香茅醛、芳樟醇,其配制方法是将上述的原料中的一种或几种混合配制而成。
CN101999451A公开了香茅精油抑芽剂及在马铃薯保鲜贮藏中的应用,香茅精油抑芽剂中含有香茅精油、环糊精、硬脂酸;其剂型为精油原液、粉剂、乳液状。
上述的专利文献中的抑芽剂为液体,而马铃薯在储藏过程中需要保持干燥的环境,以避免腐烂。液体制剂形式的抑芽剂虽然在一定程度上解决了马铃薯发芽的问题,但是也产生了容易致使马铃薯腐烂这一新的问题。
发明内容
为了解决上述的技术问题,本发明提供了一种植物生长调节剂。该植物生长调节剂最大的优点是:以固体粉末形式存在,避免了传统的或市售同类液体抑芽剂在抑芽的同时容易造成蔬菜腐烂的现象;同时使用方便;并且,本发明的植物生长调节剂可以在蔬菜贮藏的整个过程中起到优异的抑芽作用,而市售的同类抑芽剂产品仅能在蔬菜休眠期发挥作用,即本发明的抑芽剂使用的时期较同类产品更长。
本发明中采用了一种关键的原料作为植物生长调节剂的成分:茶树油。本发明还要保护的是茶树油在植物生长调节剂中的应用。
在上述的应用中,还采用了其它的原料:樟脑和/或薄荷脑、辅料,辅料为硅藻土、陶土、滑石粉、白炭黑中的至少一种。
具体如下:樟脑和/或薄荷脑30~50;茶树油5~12;辅料40~65,辅料为硅藻土、陶土、滑石粉、白炭黑中的至少一种。以上的原料均为重量份数。
优选的,上述的植物生长调节剂包括以下重量份数的原料:樟脑和/或薄荷脑40;茶树油10;辅料50,辅料为硅藻土、陶土、滑石粉、白炭黑中的至少一种。
上述的植物生长调节剂的制备方法,包括以下的步骤:
(1)取樟脑或薄荷脑、至少1/2的辅料,粉碎5~60s;
(2)将(1)中粉碎后的物料在0~15℃下超微粉碎,获得粒度为300目的物料;
(3)取剩余的辅料,与茶树油混合均匀;
(4)取(2)和(3)中所获得的物料,充分震荡混匀,获得成品植物生长调节剂;
(1)、(3)中辅料为硅藻土、陶土、滑石粉、白炭黑中的至少一种(以下所提及的辅料均同)。
优选的,上述的步骤中:(1)取30~50份的樟脑或薄荷脑、40~65份的辅料,粉碎5~60s,粉碎粒度80~100目;
(2)将(1)中粉碎后的物料在0~15℃下超微粉碎5~15min,获得粒度为300目的物料;
(3)取10~25份辅料,与5~12份的茶树油混合均匀;
(4)取(2)和(3)中所获得的物料充分震荡混匀,获得成品植物生长调节剂。
优选的,一种植物生长调节剂的制备方法,包括以下步骤,(1)取40份的樟脑或薄荷脑、50份的辅料,粉碎42s至粉碎粒度95目;
(2)将(1)中粉碎后的物料在10℃下超微粉碎10min,获得粒度为300目的物料;
(3)取25份辅料,与10份的茶树油混合均匀;
(4)取(2)和(3)中所获得的物料充分震荡混匀,获得成品植物生长调节剂。
通过以上方法获得的根茎类蔬菜植物生长调节剂在使用过程中,既可以和土混合后使用,也可以单独使用,其具体的方法包括以下的步骤:将植物生长调节剂与土混合后撒在根茎类蔬菜包装内或透气性包装外,使用剂量为0.01~5g g植物生长调节剂粉/每kg蔬菜。
优选的,使用剂量为3g植物生长调节剂粉/kg蔬菜。
或者是,包括以下的步骤:将植物生长调节剂撒在根茎类蔬菜包装内或透气性包装外,使用剂量为0.01~5g植物生长调节剂粉/每kg蔬菜。
优选的,使用剂量为3g植物生长调节剂粉/kg蔬菜。
通过上述方法获得的植物生长调节剂所适用的蔬菜为生姜、马铃薯、大蒜中的任一种,本发明将重点通过植物生长调节剂对土豆的抑芽效果来阐述其功效。当然本发明所提供的植物生长调节剂也适用于其它种类的蔬菜,在此不一一穷举。
本发明的有益效果在于:
(1)通过本发明的方法所获得的植物生长调节剂,在蔬菜贮藏的整个过程中(休眠期和非休眠期)均适用,并且无论这两个阶段中的哪个阶段都表现出优异的抑芽效果;
传统的或市售的抑芽剂,仅在蔬菜的休眠期能表现出较好的抑芽效果,而一旦过了休眠期,它们的抑芽效果大大降低;
(2)本发明的植物生长调节剂,为固体形态,避免了普通的市售抑芽剂在抑芽时却容易导致蔬菜腐烂这一不良后果;并且固体粉末形态的抑芽剂,保存方便、稳定性强,且使用方便;
(3)本发明的植物生长调节剂,在制备过程中,采用了在低温状态下超微粉碎的技术方案,本发明人通过大量的实验,结果表明,在低温下超微粉碎后能更显著的抑制马铃薯发芽。
附图说明
图1为不同粒度的植物生长调节剂对马铃薯芽长的影响;
图2为不同粒度的植物生长调节剂对马铃薯的抑芽效果;
图3为植物生长调节剂产品对马铃薯的抑芽效果;
图4为植物生长调节剂产品对生姜的抑芽效果。
具体实施方式
为了能使本领域技术人员更好的理解本发明,现结合具体实施方式对本发明进行更进一步的阐述。
所用实验材料马铃薯均为贮藏8个月,已过休眠期产品。
实施例1
本发明人为解决薄荷脑升华以及粉碎中受热融化,导致薄荷脑质量损失的问题,在实验过程中,发现薄荷脑的粉碎粒度对抑芽效果具有显著的相关性,具体的实验步骤如下:
(1)将80g薄荷脑与80g陶土混合,然后用粉碎机粉碎30s,制得80~100目的薄荷脑粗粉;
(2)取(1)中1/2的薄荷脑粗粉,用低温超微粉碎机在5℃下粉碎15min,粒径达300目,得到薄荷脑超细粉。
实验方法:贮藏8个月的马铃薯出库后,选取无病害的马铃薯5kg,装入贮藏箱中,称取10g(1)中的薄荷脑粗粉均匀的撒在马铃薯上,在温度18~20℃条件下存放;
再取同一批次的无病害的马铃薯5kg,装入贮藏箱中,称取10g(2)中的超细粉均匀的撒在马铃薯上,在温度18~20℃条件下存放;同时以不做任何抑芽处理的马铃薯作为对照。
观察抑芽效果,每3天测定马铃薯的芽长。结果如附图1、2及表1所示:
表1不同粒度的薄荷脑对马铃薯芽长的影响(cm)
3d | 6d | 9d | 12d | 15d | |
对照 | 0.2 | 0.57 | 0.98 | 1.1 | 1.2 |
薄荷脑粗粉 | 0.05 | 0.15 | 0.15 | 0.18 | 0.21 |
薄荷脑超细粉 | 0 | 0 | 0 | 0 | 0 |
从表1可以看出,薄荷脑粗粉与薄荷脑超细粉均对马铃薯均具有抑芽效果,但在同样浓度条件下,常温贮藏15天,粗粉不能完全抑制马铃薯发芽,而超细粉可以100%抑制发芽。
实施例2
本发明人为确定薄荷脑最佳用量,进行了不同浓度对马铃薯抑芽效果的实验,具体的实验步骤如下:
(1)将100g薄荷脑与100g陶土混合,然后用粉碎机粉碎30s,制得薄荷脑粗粉;
(2)取(1)中制得的薄荷脑粗粉,用低温超微粉碎机在5℃下粉碎15min,粒径达300目,制得薄荷脑超细粉。
实验方法:
贮藏8个月的马铃薯出库后,选取无病害的马铃薯5kg,装入贮藏箱中,分别称取0.5g、1g、2g、3g、5g、10g、15g(2)中的超细粉撒在马铃薯上,在温度18~20℃条件下存放;同时以不做任何抑芽处理的马铃薯作为对照。
观察抑芽效果,每3天测定马铃薯的芽长。结果如表2所示:
表2不同浓度薄荷脑对马铃薯芽长的影响(cm)
3d | 6d | 9d | 12d | 15d | |
对照 | 0.23 | 0.67 | 1.05 | 1.17 | 1.35 |
0.5g | 0.22 | 0.68 | 1.08 | 1.15 | 1.33 |
1g | 0.14 | 0.43 | 0.86 | 1.06 | 1.13 |
2g | 0.17 | 0.36 | 0.53 | 0.89 | 1.11 |
3g | 0.09 | 0.19 | 0.33 | 0.62 | 0.96 |
5g | 0 | 0.12 | 0.18 | 0.25 | 0.32 |
10g | 0 | 0 | 0 | 0 | 0 |
15g | 0 | 0 | 0 | 0 | 0 |
由表2可以看出,抑芽剂浓度越大,抑芽效果越好,每5kg马铃薯用5g时,能明显抑制发芽;当每5kg用10g和15g时,常温存放15天能达到100%抑制发芽。
从实施例1、2中可以看出,薄荷脑对于抑制马铃薯发芽效果显著,但是薄荷脑用量过大容易造成药伤,并且薄荷脑的成本过高,不利于规模化推广应用。因此,需要寻找一种其它的原料,配合薄荷脑一起使用。
实施例3
本发明人为解决薄荷脑用量过大、造成药伤,且成本过高的问题,开展了组合产品开发。在实验过程中发现薄荷脑与茶树油具有协同增效作用,具体的实验步骤如下:
(1)将80g薄荷脑与80g陶土混合,然后用粉碎机粉碎30s,制得薄荷脑粗粉;
(2)取(1)中制得的薄荷脑粗粉,用低温超微粉碎机在5℃下粉碎15min,粒径达300目,制得薄荷脑超细粉;
(3)分别取20g茶树油、茉莉精油、留兰香精油、香茅精油、丁香精油、柠檬精油、肉桂精油等与20g滑石粉混合均匀后,制得植物精油产品;
(4)取(2)和(3)中所获得的物料充分震荡混匀,获得薄荷脑与精油复合抑芽剂。
实验方法:
贮藏8个月的马铃薯出库后,选取无病害的马铃薯5kg,装入贮藏箱中,称取1g(4)中的复合抑芽剂均匀的撒在马铃薯上,在温度18~20℃条件下存放;
再取同一批次的无病害的马铃薯5kg,装入贮藏箱中,称取10g(2)中的薄荷脑超细粉均匀的撒在马铃薯上,在温度18~20℃条件下存放;
再取同一批次的无病害的马铃薯5kg,装入贮藏箱中,称取10g(3)中的植物精油产品均匀的撒在马铃薯上,在温度18~20℃条件下存放;同时以不做任何抑芽处理为对照。
观察抑芽效果,每3天测定马铃薯的芽长。结果如表3所示:
表3薄荷脑与不同精油复合处理对马铃薯芽长的影响(cm)
3d | 6d | 9d | 12d | 15d | |
对照 | 0.25 | 0.65 | 1.02 | 1.12 | 1.25 |
薄荷脑超细粉 | 0 | 0 | 0 | 0 | 0 |
茶树油 | 0.01 | 0.09 | 0.33 | 0.62 | 0.96 |
茉莉精油 | 0.07 | 0.16 | 0.53 | 0.89 | 1.11 |
留兰香精油 | 0.04 | 0.43 | 0.86 | 1.06 | 1.13 |
香茅精油 | 0 | 0.1 | 0.3 | 0.65 | 0.92 |
丁香精油 | 0.24 | 0.6 | 1.03 | 1.12 | 1.23 |
柠檬精油 | 0.21 | 0.65 | 0.99 | 1.06 | 1.23 |
肉桂精油 | 0.23 | 0.65 | 1.01 | 1.08 | 1.21 |
薄荷脑+茶树油 | 0 | 0 | 0 | 0 | 0 |
薄荷脑+茉莉精油 | 0 | 0.12 | 0.3 | 0.45 | 0.62 |
薄荷脑+留兰香精油 | 0 | 0.15 | 0.32 | 0.48 | 0.58 |
薄荷脑+香茅精油 | 0 | 0.11 | 0.28 | 0.44 | 0.53 |
薄荷脑+丁香精油 | 0 | 0.13 | 0.35 | 0.54 | 0.78 |
薄荷脑+柠檬精油 | 0 | 0.12 | 0.34 | 0.54 | 0.76 |
薄荷脑+肉桂精油 | 0 | 0.14 | 0.32 | 0.55 | 0.75 |
由表3可以看出,茶树油、茉莉精油、留兰香精油和香茅精油均有一定的抑芽作用,但均不能达到完全抑制马铃薯发芽的效果;同样浓度下的薄荷脑超细粉可以完全抑制马铃薯发芽,但用量较大。为降低薄荷脑的使用量,薄荷脑和精油进行了复配使用,由表3可以看出,薄荷脑+茶树油复配可达到常温存放15天100%抑制马铃薯发芽的效果,该复配条件下,大大降低了单一使用薄荷脑的用量。
实施例4
以上实施实例所用实验材料马铃薯均为贮藏8个月,已过休眠期产品。本发明人为确定所发明产品的使用阶段,又对未过休眠期的马铃薯进行了抑芽效果的验证。具体实验步骤如下:
(1)将80g薄荷脑与80g陶土混合,然后用粉碎机粉碎30s,制得薄荷脑粗粉;
(2)取(1)中制得的薄荷脑粗粉,用低温超微粉碎机在5℃下粉碎15min,粒径达300目,制得薄荷脑超细粉;
(3)取20g茶树油与20g滑石粉混合均匀;
(4)取(2)和(3)中所获得的物料充分震荡混匀,制得抑芽剂成品。
实验方法:
挑选新鲜收获的大小均匀,表皮完整的马铃薯块茎。摊晾于阴凉通风处,愈伤处理14d后进行贮藏及试验处理。选取无病害的马铃薯5kg,装入贮藏箱中,称取1g(4)中的复合抑芽剂均匀的撒在马铃薯上,在贮藏温度3~4℃的条件下存放;同时以不做任何抑芽处理为对照。
观察抑芽效果,每30天测定马铃薯的芽长,结果如表4所示:
表4抑芽剂对马铃薯贮藏期芽长的影响(cm)
30d | 60d | 90d | 120d | 150d | 180d | 210d | 240d | |
对照 | 0 | 0 | 0.54 | 0.72 | 0.84 | 0.91 | 1.05 | 1.18 |
抑芽剂成品 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
实施例5
成品抑芽剂的抑芽效果实验,具体实验步骤如下:
(1)将100g薄荷脑与100g陶土混合,然后用粉碎机粉碎30s,制得薄荷脑粗粉;
(2)取(1)中制得的薄荷脑粗粉,用低温超微粉碎机在5℃下粉碎15min,粒径达300目,制得薄荷脑超细粉;
(3)取20g茶树油与20g滑石粉混合均匀;
(4)取(2)和(3)中所获得的物料充分震荡混匀,制得抑芽剂成品。
实验方法:
过休眠期的马铃薯和生姜出库后,分别选取无病害的马铃薯和生姜5kg,装入贮藏箱中,称取1g(4)中的复合抑芽剂均匀的撒在马铃薯和生姜上,在温度18~20℃条件下存放15天;同时以不做任何抑芽处理的马铃薯和生姜作为对照。
观察抑芽效果,存放15天时结果如附图3和附图4所示。
从以上实施例中的数据可以看出,茶树油、茉莉精油、留兰香精油和香茅精油均有一定的抑芽作用,但抑芽效果并不理想,均不能达到完全抑制马铃薯发芽的效果;同样浓度下的薄荷脑超细粉可以完全抑制马铃薯发芽,但用量较大。为降低薄荷脑的使用量,薄荷脑和精油进行了复配使用,由上表可以看出,只有薄荷脑+茶树油复配可达到常温存放15天100%抑制马铃薯发芽的效果。
通过以上的实验数据、图表,这说明通过本发明的方法制备所获得的植物生长调节剂,无论是在马铃薯的休眠期还是非休眠期,抑芽效果都非常优异,克服了普通市售植物生长调节剂仅在马铃薯休眠期具有抑芽效果这一不足,并且其产品形式为固体粉末状,不仅使用方便,而且稳定性好,不会致使马铃薯腐烂。
Claims (9)
1.植物生长调节剂在抑制根茎类蔬菜发芽中的应用,其特征在于,所述的植物生长调节剂中含有茶树油;
所述茶树油为植物生长调节剂的活性成分;
所述根茎类蔬菜为马铃薯和生姜中的任一种。
2.如权利要求1所述的应用,其特征在于,所述的植物生长调节剂中还含有薄荷脑;其中,薄荷脑为30~50份;茶树油5~12份;还包含 40~65份的辅料,辅料为硅藻土、陶土、滑石粉、白炭黑中的至少一种;以上的“份”为重量份。
3.植物生长调节剂,其特征在于,包括以下重量份数的原料:
薄荷脑30~50;茶树油5~12;辅料40~65,辅料为硅藻土、陶土、滑石粉、白炭黑中的至少一种;其中,所述薄荷脑为D-薄荷脑。
4.如权利要求3所述的植物生长调节剂的制备方法,包括以下的步骤:
(1)取薄荷脑、至少1/2的辅料,粉碎;
(2)将(1)中粉碎后的物料在0~15℃下超微粉碎;
(3)取剩余的辅料,与茶树油混合均匀;
(4)取(2)和(3)中所获得的物料,充分震荡混匀,获得成品植物生长调节剂;
(1)、(3)中辅料为硅藻土、陶土、滑石粉、白炭黑中的至少一种。
5.如权利要求3所述的植物生长调节剂的制备方法,其特征在于,(1)取30~50份的薄荷脑、40~65份的辅料,粉碎5~60s,粉碎粒度80~100目;
(2)将(1)中粉碎后的物料在0~15℃下超微粉碎5~15min,获得粒度为300目的物料;
(3)取10~25份辅料,与5~12份的茶树油混合均匀;
(4)取(2)和(3)中所获得的物料充分震荡混匀,获得成品植物生长调节剂;
(1)、(3)中辅料为硅藻土、陶土、滑石粉、白炭黑中的至少一种。
6.如权利要求3所述的一种植物生长调节剂的制备方法,包括以下步骤,(1)取40份的薄荷脑、50份的辅料,粉碎42s至粉碎粒度95目;
(2)将(1)中粉碎后的物料在10℃下超微粉碎10min,获得粒度为300目的物料;
(3)取25份辅料,与10份的茶树油混合均匀;
(4)取(2)和(3)中所获得的物料充分震荡混匀,获得成品植物生长调节剂;
(1)、(3)中辅料为硅藻土、陶土、滑石粉、白炭黑中的至少一种。
7.通过权利要求5所述的方法获得的植物生长调节剂的使用方法,包括以下的步骤:将植物生长调节剂与土混合后撒在根茎类蔬菜包装内或透气性包装外,使用剂量为0.01~5g植物生长调节剂粉/kg蔬菜;
或者是,将植物生长调节剂直接撒在根茎类蔬菜包装内或透气性包装外,使用剂量为0.01~5g植物生长调节剂粉/kg蔬菜;
所述根茎类蔬菜为马铃薯和生姜中的任一种。
8.通过权利要求5所述的方法获得的植物生长调节剂的使用方法,包括以下的步骤:将植物生长调节剂与土混合后撒在根茎类蔬菜包装内或透气性包装外,使用剂量为3g植物生长调节剂粉/kg蔬菜;
或者是,将植物生长调节剂直接撒在根茎类蔬菜包装内或透气性包装外,使用剂量为3g植物生长调节剂粉/kg蔬菜;
所述根茎类蔬菜为马铃薯和生姜中的任一种。
9.如权利要求7、8中任一项所述的使用方法,其特征在于,所述的蔬菜为生姜、马铃薯中的任一种。
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