阅读说明：本技术 一种玉米生长调节剂及其制备方法 (Corn growth regulator and preparation method thereof ) 是由 李志江 林建海 楚娟娟 于 2019-11-28 设计创作，主要内容包括：本发明公开了一种玉米生长调节剂及其制备方法,包括活性成分和增效安全剂,所述活性成分由如下重量份的组分组成：芸苔素内酯0.001~1份、胺鲜酯1~10份和乙烯利2~40份,所述增效安全剂由如下重量份的组分组成：甘草酸二钾1~3份、椰油酰甘氨酸钾1~3份,鸡血藤醇提物1~5份。本发明在正常生长环境下,能够减少或避免玉米棒小、杆细减产的副作用,而使营养有效地转移到生殖生长上,玉米植株表现为矮化、发绿、棒大、棒匀、植株根系发达,抗倒伏能力强,可明显提高最终收获产量、优化品质；对细菌和真菌发生的田间病害具很好的防治作用,并减少用药量,降低用药成本,无残留；方便、容易操作实施,用量少,成本低。(The invention discloses a corn growth regulator and a preparation method thereof, wherein the corn growth regulator comprises an active ingredient and a synergistic safety agent, and the active ingredient comprises the following components in parts by weight: 0.001-1 part of brassinolide, 1-10 parts of diethyl aminoethyl hexanoate and 2-40 parts of ethephon, wherein the synergistic safety agent comprises the following components in parts by weight: 1-3 parts of dipotassium glycyrrhizinate, 1-3 parts of potassium cocoyl glycinate and 1-5 parts of suberect spatholobus stem alcohol extract. Under the normal growth environment, the invention can reduce or avoid the side effects of small corn cobs and thin stems and reduced yield, so that the nutrition is effectively transferred to reproductive growth, and corn plants are dwarfed, greenish, big, uniform, developed in plant root system, strong in lodging resistance, and capable of obviously improving the final harvest yield and optimizing the quality; the bactericidal composition has good control effect on field diseases caused by bacteria and fungi, reduces the dosage cost and has no residue; convenient, easy to operate and implement, low in dosage and low in cost.)

1. The corn growth regulator is characterized by comprising an active ingredient and a synergistic safety agent, wherein the active ingredient comprises the following components in parts by weight: 0.001-1 part of brassinolide, 1-10 parts of diethyl aminoethyl hexanoate and 2-40 parts of ethephon, wherein the synergistic safety agent comprises the following components in parts by weight: 1-3 parts of dipotassium glycyrrhizinate, 1-3 parts of potassium cocoyl glycinate and 1-5 parts of suberect spatholobus stem alcohol extract.

2. The corn growth regulator according to claim 1, wherein the active ingredient accounts for 1.5-3.7% of the plant growth regulator by mass, and the synergistic safener accounts for 1.5-10% of the plant growth regulator by mass.

3. A corn growth regulator according to claim 1 or 2, wherein the brassinolide is selected from any one of 28-homobrassinolide, 24-epibrassinolide, 25-methyl brassinolide, propionyl brassinolide, 28-epibrassinolide, mixotrophin brassinolide or 14-hydroxy brassinosteroid.

4. A method for preparing the plant growth regulator of claim 3, characterized in that the raw materials in the weight ratio are uniformly mixed and prepared into a suspending agent, a water dispersible granule, a soluble solution or a dispersible oil suspending agent together with an auxiliary agent allowed in pesticide.

5. The preparation method of the corn growth regulator as claimed in claim 4, wherein the preparation method of the caulis Spatholobi alcohol extract comprises the following steps:

cleaning caulis spatholobi, crushing by a dry method, adding ethanol with the weight being 2-3 times that of the caulis spatholobi, standing for 20-30 min, adjusting the pH value to 5.6-6.0 by using NaAc-HAc buffer solution, refluxing for 1-3 h at 78-80 ℃, collecting reflux extracting solution, concentrating under reduced pressure, and performing spray drying to obtain the caulis spatholobi alcohol extract.

6. The method for preparing the corn growth regulator according to claim 5, wherein the corn growth regulator is subjected to reduced pressure concentration until the relative density is 1.05-1.1 g/cm through thin film chromatography.

7. The preparation method of the corn growth regulator according to claim 5, wherein a spray dryer is adopted for spray drying, the air inlet temperature is 130-150 ℃, the air outlet temperature is 100-120 ℃, and the feeding speed is 3-5 ml/min.

Technical Field

The invention relates to the technical field of agricultural growth regulators, in particular to a corn growth regulator and a preparation method thereof.

Background

Corn is an important food crop and economic crop, and statistics show that the yield and the planting area of the corn are second to rice and wheat and third in the world. Plays an important role in the national economy and the civilian economy. The effective utilization of limited land resources and the improvement of the yield and quality of corn crops are the subjects of people's direction and invariance.

Commonly used corn growth regulators include the following:

(1) high yield element: the fertilizer is uniformly sprayed by a sprayer in the eight-leaf-spreading period of the corn until the leaves are completely wet, so that the yield can be increased by 11.2%. However, this operation is actually time-consuming and labor-intensive, and is affected by the environment, and thus the spraying effect cannot be achieved as desired.

(2) Ethephon: the corn leaf weight reducing agent has the effect on the rootstocks of the corn, can dwarf the height of the corn, enables the leaves to grow densely and vertically, is short and wide, obviously improves the weight of the corn ears, and can increase the yield by about 10 percent. Ethephon is a very dangerous drug, and is a serious hazard to the health of users and the environment, so that special care is needed in use, and the hazard to the human and the environment cannot be ignored in order to exert the yield-increasing effect.

(3) And (3) robust corn: is a duplicator for regulating the growth of plants and can regulate the physiological function of the corn. After the corn seedling culture medium is used, the corn plant is short and healthy, the plant height is reduced, the stem is thick, the heel is more, the lodging is resisted, the aging is delayed, the prematurity and the yield is increased, and the yield is increased by 8-13%. However, when the strong corn essence is used, the close planting degree needs to be increased, strict field management is required, fertilizer application needs to be increased, weak plants cannot be sprayed and cannot be used together with other medicines, meanwhile, the strong essence stock solution is corrosive, and special attention needs to be paid when the strong corn essence is sprayed.

(4) Diethyl aminoethyl hexanoate: after spraying, the thickness of the stem can be increased, and the root activity, the chlorophyll content of the spike position of the plant, the light and the speed can be improved. The spraying treatment at the 7-8 leaf stage has the best regulation effect, can reduce the bald tip length of the female ear, and increase the number of seeds in a row by 11 percent. But can not be mixed with alkaline pesticide and fertilizer when in use, and the dosage is strictly controlled below 100 g/mu.

From the above, the existing corn growth regulator basically belongs to a single product, and sometimes needs to be sprayed for multiple times, which consumes time and labor, has large dosage, higher input cost and low safety.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a corn growth regulator and a preparation method thereof.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

the corn growth regulator comprises an active ingredient and a synergistic safety agent, wherein the active ingredient comprises the following components in parts by weight: 0.001-1 part of brassinolide, 1-10 parts of diethyl aminoethyl hexanoate and 2-40 parts of ethephon, wherein the synergistic safety agent comprises the following components in parts by weight: 1-3 parts of dipotassium glycyrrhizinate, 1-3 parts of potassium cocoyl glycinate and 1-5 parts of suberect spatholobus stem alcohol extract.

Preferably, the active ingredient accounts for 1.5-3.7% of the plant growth regulator by mass, and the synergistic safety agent accounts for 1.5-10% of the plant growth regulator by mass.

Preferably, the brassinolide is selected from any one of 28-homobrassinolide, 24-epibrassinolide, 25-methyl brassinolide, propionyl brassinolide, 28-epibrassinolide, mixotrophin brassinolide or 14-hydroxy brassinosteroid.

The invention also provides a method for preparing the corn growth regulator, which comprises the steps of uniformly mixing the raw materials in the weight ratio, and preparing the mixture into a suspending agent, a water dispersible granule, a soluble solution or a dispersible oil suspending agent with an auxiliary agent allowed in pesticides.

Preferably, the preparation method of the caulis spatholobi alcohol extract comprises the following steps:

cleaning caulis spatholobi, crushing by a dry method, adding ethanol with the weight being 2-3 times that of the caulis spatholobi, standing for 20-30 min, adjusting the pH value to 5.6-6.0 by using NaAc-HAc buffer solution, refluxing for 1-3 h at 78-80 ℃, collecting reflux extracting solution, concentrating under reduced pressure, and performing spray drying to obtain the caulis spatholobi alcohol extract.

Preferably, concentrating under reduced pressure until the relative density is 1.05-1.1 g/cm.

Preferably, the spray dryer is adopted for spray drying, the air inlet temperature is 130-150 ℃, the air outlet temperature is 100-120 ℃, and the feeding speed is 3-5 ml/min.

The functions of the components in the invention are as follows:

brassinolide, a novel green environment-friendly plant growth regulator, is treated by soaking seeds and spraying stems and leaves of brassinolide with proper concentration. Can promote the growth of vegetables, melons, fruits and other crops, improve the quality, increase the yield, and ensure bright color and thicker leaves. The tea leaf picking time can be advanced, and the melon and fruit can have higher sugar content, larger individual, higher yield and better storage stability. Is harmless to human and livestock, and has safe and effective dosage when used normally. The brassinolide can be widely applied to various economic crops, can increase the yield by 5-15% and 30% higher, can obviously improve the quality, increase the sugar content and the weight of fruits and increase the gorgeous crops. Meanwhile, the drought resistance and the cold resistance of crops can be improved, and the symptoms of plant diseases and insect pests, phytotoxicity, fertilizer damage and freezing damage of the crops can be relieved.

Diethyl aminoethyl hexanoate, which can improve the activities of plant peroxidase and nitrate reductase, increase the content of chlorophyll to accelerate photosynthesis, promote division and elongation of plant cells, promote root development and regulate the balance of nutrients in vivo. The herbicide can effectively prevent crop poisoning under the condition of not reducing the effect of the herbicide by compounding with the herbicide, so that the herbicide can be safely used.

Ethephon mainly enhances the synthesis capability of ribonucleic acid in cells, promotes the synthesis of protein, can inhibit the synthesis of endogenous auxin, and delays the growth of plants.

Dipotassium glycyrrhizinate is a glycyrrhizic acid derivative, and has the effects of resisting inflammation, allergy, ulcer, epithelial cell tissue regeneration and the like. The 0.5 percent dipotassium glycyrrhizinate solution has the same anti-inflammatory effect as the 0.1 percent dexamethasone, but has no serious adverse reaction. The dipotassium glycyrrhizinate is white powder, and has the characteristics of high sweetness, good water solubility, low heat energy, low foamability and hemolytic effect, safety and no toxicity. Meanwhile, dipotassium glycyrrhizinate has the functions of diminishing inflammation, resisting ulcer, resisting oxidation, inhibiting bacteria, treating wounds and effectively removing superoxide ions and hydroxyl free radicals. Therefore, in the cosmetic industry, the skin care cream can be used for skin care cream, shower gel, freckle removing cream, facial masks and the like; in the pharmaceutical industry, can be used for eye drops and ointment for stomatitis; in daily chemical industry, can be used for toothpaste, mouthwash, shaving cream and the like. However, the application of the pesticide adjuvant has not been reported so far.

The cocoyl potassium glycinate has good cleaning capability, and rich, smooth and elastic foam; the safety and the stimulation of the polar region are very high, and the user feels smooth and not tight when using the device; the foaming performance is good under neutral to alkaline conditions; has good compatibility with fatty salt. Can improve the foam quality of a fatty acid salt system and the tight feeling after washing; the product is prepared from natural materials, and has good biodegradability. Is usually used for face washing milk, makeup remover, shampoo, bath lotion, toothpaste, soap, household cleaning agent, dispersant, emulsifier and industrial products, and is widely applied to oral cleaning, daily cleaning, personal bath products and the like. However, the application of the pesticide adjuvant has not been reported so far.

Spatholobus stem, warm in nature, bitter and sweet in taste. It enters liver and kidney meridians. Enriching blood, promoting blood circulation and dredging collaterals. Has effects in dilating blood vessel, inhibiting platelet aggregation, and promoting phosphorus metabolism. Contains various isoflavone, flavanone, chalcone, coumestrol, triterpenes, sterol, epifriedelin alcohol, daucosterol, formononetin, epicatechin, aloe-emodin, etc. The application of the caulis spatholobi is generally an aqueous extract, and the application of an alcohol extract of the caulis spatholobi is not reported so far.

After the active ingredient and the synergistic safety agent are compounded, the active ingredient consists of the following components in parts by weight: 0.001-1 part of brassinolide, 1-10 parts of diethyl aminoethyl hexanoate and 2-40 parts of ethephon, wherein the synergistic safety agent comprises the following components in parts by weight: 1-3 parts of dipotassium glycyrrhizinate, 1-3 parts of potassium cocoyl glycinate and 1-5 parts of caulis spatholobi alcohol extract, and the composition is reasonable in proportion, can well promote cell growth and division, synthesis of nucleic acid and protein, chlorophyll synthesis, photosynthetic rate and stress resistance are improved, apical dominance is broken, fruit setting and fruit enlargement are promoted, parthenocarpy is induced, the rod forming rate is high, and the rod is full of particles.

Compared with the prior art, the invention has the following advantages and positive effects:

under the normal growth environment, the invention can reduce or avoid the side effects of small corn cobs and thin stems and reduced yield, so that the nutrition is effectively transferred to reproductive growth, and corn plants are dwarfed, greenish, big, uniform, developed in plant root system, strong in lodging resistance, and capable of obviously improving the final harvest yield and optimizing the quality; the bactericidal composition has good control effect on field diseases caused by bacteria and fungi, reduces the dosage cost and has no residue; convenient, easy to operate and implement, low in dosage and low in cost.

Detailed Description

The following is a detailed description of specific embodiments of the invention.