Composition for increasing wheat yield, growth regulator and application of composition and growth regulator

Abstract

The invention relates to the technical field of wheat planting, in particular to a composition for increasing the wheat yield, a growth regulator and application of the composition and the growth regulator. The composition is prepared by compounding choline chloride and lysine according to an equal mass ratio, the growth regulator is prepared by dissolving the composition in water, and in the growth regulator, the concentration of choline chloride is 80-120 mg / L. Compared with single application of choline chloride, the growth regulator disclosed by the invention has the advantages that the grain weight and yield in the grain filling period of wheat are remarkably improved, and the growth regulator has better application and popularization values.

Description

Technical Field

[0001] The invention relates to the technical field of wheat planting, and in particular to a composition for increasing wheat yield, a growth regulator and applications thereof. Background Art

[0002] Wheat is an important food crop in my country. Among the factors affecting wheat yield, apart from the influence of genetic factors, grain filling is the key period for the formation of wheat grain weight. In the modern wheat high-yield crop production system, it is particularly important to improve grain filling through agronomic measures. As the growth period progresses, wheat biomass increases rapidly. While topdressing becomes difficult, soil nutrients are also consumed in large quantities. Foliar fertilization is not only convenient to implement, but also can provide the nutrients needed for wheat growth and development during the grain filling period.

[0003] Choline chloride is a common plant growth regulator. The proper use of exogenous choline chloride and its structural analogs can promote crop seed germination, increase plant growth rate, and improve the ability to withstand stress. Amino acids are the material basis for macromolecular nitrogen-containing compounds such as proteins. They can be used as metabolic intermediates or osmotic regulators. Different amino acids also have important physiological functions in regulating crop metabolism and stress resistance. Although some studies have explored the functions of choline chloride and its analogs, the effect of choline chloride as the only active ingredient in increasing wheat yield is limited. Summary of the invention

[0004] The purpose of the present invention is to provide a composition for increasing wheat yield, a growth regulator and application thereof, so as to solve the above technical problems.

[0005] To achieve the above object, the present invention adopts the following technical solution: In a first aspect, the present invention provides a composition for improving wheat yield, which is compounded with choline chloride and lysine in an equal mass ratio.

[0006] In the later stage of wheat growth, due to the aging of the root system, the relatively dry climate, the large consumption of soil nutrients, the premature aging of the plants, the insufficient grain filling, and the reduced wheat yield. Foliar nitrogen application is not only convenient to implement, but also helps to quickly supplement nutrition during the wheat filling period, which is of great significance for ensuring good growth in the later stage. Therefore, the present invention aims to increase the wheat filling rate and extend the filling time by means of foliar spraying of choline chloride plus amino acids, thereby increasing wheat yield and providing technical support for wheat production.

[0007] In a second aspect, the present invention provides a growth regulator for increasing wheat yield, comprising the composition.

[0008] Furthermore, the growth regulator is prepared by dissolving the composition in water.

[0009] Furthermore, in the growth regulator, the concentration of choline chloride is 80-120 mg / L.

[0010] In a third aspect, the present invention provides use of the composition or the growth regulator in increasing wheat yield.

[0011] In a fourth aspect, the present invention provides use of the composition or the growth regulator in prolonging the filling time of wheat.

[0012] In a fifth aspect, the present invention provides use of the composition in increasing the filling rate of wheat.

[0013] In a sixth aspect, the present invention provides a method for increasing wheat yield, comprising: During the jointing stage of wheat, the growth regulator is sprayed on the leaves.

[0014] Furthermore, the dosage of the growth regulator is 28-30 L per acre of wheat.

[0015] The present invention has the following beneficial effects: The present invention finds for the first time that spraying choline chloride aqueous solution on wheat leaves during the jointing stage can increase the grain weight and yield of wheat during the filling stage, but the effect of the increase is limited. The combined use of choline chloride and lysine can significantly increase the grain weight and yield of wheat during the filling stage, indicating that choline chloride and lysine have a synergistic effect.

[0016] The method for increasing wheat yield of the present invention is simple to operate, and the reagents used, choline chloride and lysine, are both commercially available low-cost reagents, and the reagents used in the method are all environmentally friendly reagents. Choline chloride has extremely low toxicity and is often used as a feed additive, and lysine is a non-toxic compound. Therefore, the method is safe and feasible, has no risk of harming human health and environmental pollution, and has good application and promotion value. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the effect of choline chloride and lysine combined on wheat grain filling, where C is 100 mg / L choline chloride and C+K is 100 mg / L choline chloride + 100 mg / L lysine. DETAILED DESCRIPTION

[0018] The present invention is described in detail below in conjunction with the accompanying drawings and specific examples, but should not be construed as limiting the present invention. Unless otherwise specified, the technical means used in the following examples are conventional means well known to those skilled in the art, and the materials, reagents, etc. used in the following examples, unless otherwise specified, can be obtained from commercial sources.

[0019] Example 1: Composition and growth regulator for increasing wheat yield The composition for improving wheat yield in this embodiment is compounded with choline chloride and lysine in an equal mass ratio.

[0020] The growth regulator of this embodiment is prepared by dissolving choline chloride and lysine in water. In the growth regulator, the concentration of choline chloride is 100 mg / L, and the concentration of lysine is 100 mg / L.

[0021] Example 2: Composition and growth regulator for increasing wheat yield The composition for improving wheat yield in this embodiment is compounded with choline chloride and lysine in an equal mass ratio.

[0022] The growth regulator of this embodiment is prepared by dissolving choline chloride and lysine in water. In the growth regulator, the concentration of choline chloride is 80 mg / L, and the concentration of lysine is 80 mg / L.

[0023] Example 3: Composition and growth regulator for increasing wheat yield The composition for improving wheat yield in this embodiment is compounded with choline chloride and lysine in an equal mass ratio.

[0024] The growth regulator of this embodiment is prepared by dissolving choline chloride and lysine in water. In the growth regulator, the concentration of choline chloride is 120 mg / L, and the concentration of lysine is 120 mg / L.

[0025] The following example 1 is used as an example to demonstrate the effects of the composition and growth regulator of the present invention in delaying wheat senescence, prolonging wheat filling time and increasing wheat yield.

[0026] Experimental treatment and method: In the afternoon of sunny and windless day during the jointing stage of wheat, the growth regulator of Example 1 (referred to as C+K) was sprayed on the leaves, and the choline chloride solution (C) was used as a comparison (two concentrations: C100: 100 mg / L. C200: 200 mg / L), and the spraying of clean water was used as a blank control (CK). Each treatment was repeated 3 times, each repeat was 12 square meters, and the spraying amount was 30 L per mu.

[0027] The test data and research results are as follows: (1) Effect of foliar spraying of choline chloride and lysine mixture on wheat yield during jointing stage As shown in Table 1, compared with the application of choline chloride alone, spraying choline chloride + lysine (Lys) at the jointing stage can significantly increase the thousand-grain weight and yield of wheat, and also prolong the filling time of wheat.

[0028] Table 1 Effects of choline chloride and lysine on wheat yield and its components Note: Different lowercase letters indicate significant differences among treatments, the same as in the following table (P<0.05).

[0029] (2) Effects of spraying choline chloride and lysine mixture on wheat grain filling during jointing stage like Figure 1 As shown in the data, compared with single application of choline chloride, the combination of choline chloride and lysine can increase the 1000-grain weight after anthesis, and the 1000-grain weight of grains at 35-45 days is significantly different; the change trend of grain filling rate shows a single-peak curve change, and the peak value appears 25-35 days after anthesis. Compared with single application of choline chloride, the combination of choline chloride and lysine can increase the grain filling rate after anthesis.

[0030] It should be noted that when the claims of the present invention involve numerical ranges, it should be understood that the two endpoints of each numerical range and any numerical value between the two endpoints can be selected. In order to avoid redundancy, the present invention describes a preferred embodiment.

[0031] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.

[0032] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A composition for increasing wheat yield, characterized in that: The choline chloride and lysine are compounded in equal mass ratio.

2. A growth regulator for increasing wheat yield, characterized in that: The invention comprises the composition according to claim 1.

3. The growth regulator according to claim 2, characterized in that The growth regulator is prepared by dissolving the composition in water.

4. The growth regulator according to claim 3, characterized in that In the growth regulator, the concentration of choline chloride is 80-120 mg / L.

5. Use of the composition according to claim 1 or the growth regulator according to claim 2 in increasing wheat yield.

6. Use of the composition according to claim 1 or the growth regulator according to claim 2 in prolonging the filling time of wheat.

7. Use of the composition according to claim 1 or the growth regulator according to claim 2 in increasing the filling rate of wheat.

8. A method for increasing wheat yield, characterized in that: include: During the jointing stage of wheat, the growth regulator according to claim 4 is sprayed on the leaves.

9. The method according to claim 8, characterized in that The dosage of the growth regulator is 28-30 L per acre of wheat.

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