JPS63264402A - How to increase yield of green onions - Google Patents

Abstract

PURPOSE:To promote the solar energy fixing function of green vegetable and to increase the yield of Welsh onions, by treating Welsh onions with one or more choline salts such as choline chloride and choline phosphate. CONSTITUTION:The efficiency of photosynthesis of Welsh onion can be improved and the yield of Welsh onions can be increased by applying 50-200g of one or more choline salts (e.g. choline bitartrate and dihydrogen choline citrate) to 100 are of field of Welsh onions. The choline salt is preferably applied to the leaf and stalk of the Welsh onions in the form of aqueous solution having active component concentration of 100-20,000ppm, preferably 300-10,000ppm. The choline salt may be mixed with liquid fertilizer, insecticide, fungicide, foliar application agent, etc. The impregnation of the active component into the stalk and leaf of Welsh onions can be promoted by spraying an aqueous solution added with a surfactant. The application stage of the choline salt is preferably the initial stage of the growth of the bulb in the case of onion or garlic.

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention relates to a method for increasing yield of green onions using choline salt.

(Prior Art) It has been known that rooting can be promoted by immersing sweet potato seedlings in a choline solution.

However, there has been no report that a yield-increasing effect has been found by treating green onions with choline salts.

(Problem to be solved by the invention) When agricultural production is viewed from a biological perspective, its characteristics are that it is produced in a way that uses the photosynthetic ability of green plants to accumulate solar energy on the earth. It also supplies oxygen to the atmosphere. However, this is not necessarily the most efficient way to utilize solar energy. Looking at the world's food situation, it is predicted that by the end of this century the world's population will be almost double its current level, and it will be extremely difficult to secure enough food to cope with this population increase. ing.

Many research efforts have been made to cope with such population growth. However, most of the conventional development research that has been carried out to increase agricultural productivity has stopped at improving production technology, and has focused on specifically understanding the details of the inherent functions of plants and strengthening them. Little effort has been made in that direction. Plants generally use solar energy through photosynthesis to synthesize carbohydrates from water and carbon dioxide gas, supplying oxygen to the atmosphere.

As a result of research into the enhancement of the solar energy fixing function of green plants, the inventors discovered that by treating plants with choline salts, photosynthesis in plants could be carried out more efficiently.This led to the completion of the present invention. It's arrived.

(Means for Solving the Problems) In the present invention, examples of choline salts include inorganic salts such as hydrochloride, phosphate, polyphosphate, sulfate, nitrate, and carbonate, and acetic acid and citrate. , lactate, L (
+) Indicates organic acid salts such as tartrates.

Next, a production example of the compound according to the present invention will be shown.

Production Example 1 Method for producing choline phosphate 50χ choline (manufactured by Nippon Hydrazine) 208 g, pure water 84 n/! Under a nitrogen atmosphere, 110 g of 89X phosphoric acid was added dropwise while stirring and cooling the mixture to below 5°C.

As a result, 402 g of a 50x aqueous solution of choline phosphate was obtained. The pH of this product was 4.9. This aqueous solution was concentrated to obtain a phosphate.

In a similar manner, aqueous solutions of various choline salts were prepared by changing the acid, and crystals of each group were obtained by concentrating the solutions. In addition, salts for which it was difficult to obtain crystals were subjected to the test as an aqueous solution.

Table 1 shows the physical property values of an example of the compound.

Table 1 To prepare choline salts, e.g. powder, aqueous solution, emulsion,
It can be formulated into any conventional and known dosage forms such as aqueous or oily suspensions.

The amount of choline salt used varies depending on the growth stage of alliums, the method of use, the time of use, etc., but is usually 50 to 200 g per 10 a of area. Choline salt is sprayed in an aqueous solution on the stems and leaves of alliums. In this case, the active ingredient is 100 to 20,000 ppm, preferably 300 ppm.
An aqueous solution with a concentration of ~110,000 pp is applied.

Although choline salts are generally used in the form of an aqueous solution, they can also be mixed with liquid fertilizers, insecticides, fungicides, foliar sprays, and the like. Note that it is preferable to spray an aqueous solution containing a surfactant in order to make it easier for the chemical to penetrate into the stems and leaves of alliums. The timing of using choline salts varies depending on the type of onion, but for example, onions,
In the case of garlic, it is preferable to use it at the early stage of bulb enlargement.

In addition, green onion crops include green onions, spring onions, garlic, and
There are chives, rakkyo, chives, onions, etc.

Next, the effects of the present invention will be explained using test examples.

(Example) Test Example 1 Seeds of green onion (Fukaya No. 22) (3.2 d l /10
A) was sown on February 6th, and tunnel cultivation was performed using a vinyl sheet. The vinyl sheet was removed on April 23rd.

Compound No. of each concentration with surfactant added on May 29th,
1 was sprayed on the stems and leaves at a rate of 1001/10a.

At this time, the green onions had grown to a height of 15 to 20 cm.

The number of crops per section was 50 cylinders.

Green onion seedlings were harvested on July 3rd and their fresh weight was measured.

Table 2 shows the test results.

Table 2 Test Example 2 Onion seedlings with a plant height of 15 to 20 cm and grown at the 2.5 to 3 leaf stage were planted on May 12th.

On July 26th, each dose of compound N061 was added to 1/10a.
001 was dissolved in water, a surfactant was added thereto, and the mixture was sprayed on onion stems and leaves.

It was harvested on September 18th and the yield was investigated. Table 3 shows the test results.

Table 3

Claims (1)

[Claims] A method for increasing the yield of green onions, which comprises applying 50 to 200 g of one or more choline salts per 10a to green onions.