Complex hormone and preparation method and application thereof
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A hormone and melatonin technology, applied in the field of agricultural biology, can solve the problems of easy decomposition and poisoning, and achieve the effect of improving drought resistance, remarkable effect, simple and flexible usage
Inactive Publication Date: 2016-10-26
INST OF OIL CROPS RES CHINESE ACAD OF AGRI SCI
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Plant growth promoters can promote the division and growth of plant cells and increase the yield of plants at an appropriate concentration.
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Embodiment 1
[0035] A compound hormone, which is made from the following raw materials in parts by weight:
[0036]
[0037] A preparation method of compound hormone, its steps are:
[0038] A, take by weighing 14 parts of melatonin, 110.5 parts of salicylic acid, 2 parts of abscisic acid respectively in proportion with analytical balance at room temperature;
[0039] B. Mix the weighed melatonin, salicylic acid and abscisic acid evenly to obtain the mixture;
[0040] C. Add 1L full concentration Hoagland nutrient solution to the mixture, and mix well to obtain the aqueous solution of compound hormone. A compound hormone, which is made from the following raw materials in parts by weight:
[0041] Example
[0042] Its preparation steps are identical with embodiment 1.
Embodiment 7
[0044] The application of a compound hormone in improving the drought stress resistance of rapeseed comprises the following steps:
[0045] A. Attach a layer of fine gauze to the hydroponic box (22cm×15cm×7cm), tighten it with a rubber band, and place it in a hydroponic box (52cm×7cm) filled with 1 / 4 Hoagland nutrient solution. 32cm×14cm), ensure that the liquid surface just touches the nylon mesh. Select plump and uniform seeds (MZ08), sow them on fine gauze, place them in a culture room at 22 or 23 or 24 or 25 or 26°C, and cultivate them in 16 / 8h light and dark for 6 or 7 or 8d.
[0046] B. After 6 or 7 or 8 days, select rapeseed seedlings with the same growth, transplant them into perforated plastic planting plates, and immerse the roots in Hoagland (Hoagland) culture solution to continue growing and cultivating until 2 true leaves grow. , do the following:
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Abstract
The invention discloses a complex hormone and a preparation method and application thereof. The complex hormone is formed by melatonin, salicylic acid and abscisic acid in a certain proportion. The preparation method includes steps: A, using an analytical balance to respectively proportionally weighing the melatonin, the salicylic acid and the abscisic acid at the room temperature; B, well mixing the melatonin, the salicylic acid and the abscisic acid to obtain a mixture; D, adding 1L of full-concentration Hoagland's nutrient solution into the mixture, and well mixing to obtain a complex hormone aqueous solution. The complex hormone is reasonable in formulation, convenient to use, effective in improvement of drought stress resistance of rape, safe and free of pollution to rape products and ecological environment; the method is easy to implement and convenient and simple in operation, and by compounding of different hormones, nutritional disorder caused by action of single hormones is avoided, and crop growth can be promoted comprehensively; under drought stress, lateral root growth is promoted, a flowering time is changed, and leaf senescence is decelerated. In addition, excessive active oxygen generated in rape bodies under drought stress can be cleared to reduce cell membrane permeability and improve drought tolerance of rape, and accordingly yield increase is realized.
Description
technical field [0001] The invention relates to the field of agricultural biotechnology, in particular to a kind of melatonin (melatonin, N-acetyl-5-methoxy-tryptamine, C 13 h 16 N 2 o 2 ), salicylic acid (SA, C 7 h 6 o 3 ), abscisic acid (ABA, C 15 h 20 o 4 ) composed of a composite hormone, and also relates to a preparation method of the composite hormone, and also relates to a use of the composite hormone. Growth-regulating hormones play a very important role in physiological regulation and increasing plant stress resistance. In this study, watering compound hormones were used to alleviate the damage of adversity to rapeseed and endow rapeseed with the ability to resist adverse environments. Background technique [0002] The adaptation of crops to adversity is restricted by two factors: genetic characteristics and physiological conditions in crops, and the latter is closely related to hormones in crops. Plant growth regulators can be widely used to regulate plan...
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IPC IPC(8): A01N43/38A01N37/40A01N37/42A01P21/00
CPCA01N37/40A01N37/42A01N43/38A01N2300/00
Inventor 邹锡玲李晶晶曾柳黄倩程勇陆光远张学昆李春生
Owner INST OF OIL CROPS RES CHINESE ACAD OF AGRI SCI
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