CN102177914A - 一种植物落叶制剂 - Google Patents
一种植物落叶制剂 Download PDFInfo
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- CN102177914A CN102177914A CN 201110048378 CN201110048378A CN102177914A CN 102177914 A CN102177914 A CN 102177914A CN 201110048378 CN201110048378 CN 201110048378 CN 201110048378 A CN201110048378 A CN 201110048378A CN 102177914 A CN102177914 A CN 102177914A
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Abstract
本发明涉及一种植物落叶剂，其含有N，N-二甲基-N′-(1，2，3-噻二唑-5-基)脲，以及膦酸和苯酚，使用含有上述物质的制剂可以有效提高植物落叶活性。
Description
本发明涉及一种调节植物生长的制剂及其使用，该制剂可以有效提高落叶活性。
本发明还涉及城市树木保护领域。
叶、花或果实柄的底部的特定组织部位与植物器官如叶、花和果实从植物主体的脱落有关，当脱落过程开始时，脱落部位的细胞壁变得柔软使得器官在机械作用下的脱落成为可能，例如在风力，或在器官自身重力作用下的脱落。然而，这并不总是发生在需要的时候，或者并不是发生到所需要的程度。因而，在植物生长的某一时节或某一阶段，用控制的方式来达到这一过程是有利的。
在农业和园艺作物中由于控制落叶可以使收获变得容易和加速成熟，因而有特殊的经济重要性，通过激素调节而起作用的脱落剂，例如，通过使用棉花落叶剂而使棉花在需要的时候落叶。
但是，迄今为止，还没有将这一方法应用于城市树木的保护上。
我们知道，植物的生长与其对于光线的感知与适应密切相关，尤其是绿叶植物。他们在白天有阳光的时候进行光合作用，晚上没有阳光则停止光合作用。但是，由于现代城市的路灯照明、景观照明的大量应用，严重干扰了林道树木的生理节律，有研究表明，路灯下的树木其落叶比其他树木要晚。而落叶本来就是树木冬天为了保持水分，减少蒸腾作用的有效手段，这样就造成了树木过多地丧失水分。
本发明人受农业生产中广泛使用的落叶剂启发，将这一手段运用到城市树木的保护上。并且，经过多次试验，进行了改进，获得了具有增效作用的落叶剂。
已知许多化学制剂已被发现可用于使植物落叶，它们或者通过激素调整，或者通过损害植物生长起作用。它们的效力常常因其气候条件，施用量及其靶标植物的不同而有很大的变化。因而，为了有效地使植物落叶的促进收获，需要因地制宜地研究适于中国气候特点的有改进性能的制剂。
本发明实质上是发现了，脱落剂与苯酚-膦酸加合物的组合显示出调节植物生长活性的提高，即增效作用，因为这种组合物所显示的效力或活性水平超过了基于对它们的组份单独所表现的效力的认识所预期的效力或活性水平。
本发明使用的活性物质为N，N-二甲基-N′-(1，2，3-噻二唑-5-基)脲。本发明所使用的加合物是由苯酚与膦酸与上述物质加合而成。
本发明的制剂的组合特别适合于使乔木落叶，即城市的林道树木。
本发明的组合物可以是与其它的物质，如载体赋形剂，润湿剂，乳化剂，溶剂等结合施用于植物，适当的载体赋形剂包括水，脂肪族和芳香族烃如苯，甲苯，二甲苯，环己酮，以及矿物油或植物油馏份。可以是固体载体赋形剂，如含硅粘土，硅胶，滑石，高岭土，石灰石，以及植物产品，如各种谷物的粉。
本发明的组合物中活性试剂的比例可以在很宽的范围内变化，例如，组合物可以含有大约20％-70％(重量百分数)的活性成份，大约30％-80％(重量)的固体或液体载体赋形剂。
下述实例和试验数据仅用于说明问题，并不构成对本发明范围的限制。
实施例
下述数据为每100株泡桐的喷洒量。
上述研究结果表明，本发明的方案取得了显著的协同增效作用。
Claims (2)
1.一种植物落叶剂，其含有N，N-二甲基-N′-(1，2，3-噻二唑-5-基)脲，以及膦酸和苯酚。
2.一种使植物落叶的方法，特征在于使用权利要求1的试剂。
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| CN2011100483785A CN102177914B (zh) | 2011-03-01 | 2011-03-01 | 一种植物落叶制剂 |
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| CN2011100483785A CN102177914B (zh) | 2011-03-01 | 2011-03-01 | 一种植物落叶制剂 |
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| CN102177914A true CN102177914A (zh) | 2011-09-14 |
| CN102177914B CN102177914B (zh) | 2012-05-30 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1071805A (zh) * | 1991-10-28 | 1993-05-12 | 加利福尼亚联合石油公司 | 植物调节组合物及其使用方法 |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1071805A (zh) * | 1991-10-28 | 1993-05-12 | 加利福尼亚联合石油公司 | 植物调节组合物及其使用方法 |
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| CN102177914B (zh) | 2012-05-30 |
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