Method for simultaneously improving selenium content and fruit setting rate of cherry tomatoes
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A technology for cherry tomato and fruit setting rate, which is applied in fertilization methods, seed and rhizome treatment, fruit tree cultivation and other directions, and can solve the problems of soil selenium pollution, difficult operation of selenium, and low selenium activity.
Pending Publication Date: 2021-12-03
GUANGXI UNIV
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However, since the selenium activity of natural selenium-rich soil is not high, and the selenium absorbed by the root system of cherry tomatoes is difficult to transfer to the tomato fruit, cherry tomatoes cannot meet the standards for selenium-rich agricultural products.
Cherry t
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Embodiment 1
[0028] In the preparation methods of composition A and composition B, cherry tomatoes are treated with flowers and fruits, selenium and calcium supplementation. The formula of composition A is 15mg / L 2,4-D, 12mg / L sodium selenite, 1200mg / L amino acid calcium (amino acid calcium contains amino acid 80g / L, calcium 25g / L), 500mg / L composition of 50% Pythium leached wettable powder;
[0029]When the ear on the inflorescence develops to the size of a peanut grain, the ear is soaked in the composition B solution once, and the formula of the composition B is 15 mg / L of sodium selenite, 1200 mg / L of amino acid calcium (containing amino acid 80 g / L in amino acid calcium) L, calcium 25g / L), 500mg / L of 50% Pythium wettable powder.
Embodiment 2
[0031] In the preparation methods of composition A and composition B, cherry tomatoes are treated with flowers and fruits, selenium and calcium supplementation. The formula of composition A is 15mg / L of 2,4-D, 10mg / L of sodium selenite, 1000mg / L of amino acid calcium, and 600mg / L of 50% Pythium wettable powder;
[0032] When the ear on the inflorescence develops to the size of a peanut grain, the ear is soaked in the solution of composition B once. The formula of composition B is 10 mg / L of sodium selenite, 1000 mg / L of amino acid calcium, and 600 mg / L of 50% humic acid. Mycophenolate wettable powder.
Embodiment 3
[0034] In the preparation methods of composition A and composition B, cherry tomatoes are treated with flowers and fruits, selenium and calcium supplementation. The formula of composition A is 18 mg / L of 2,4-D, 12 mg / L of sodium selenite, 1100 mg / L of amino acid calcium, and 500 mg / L of 50% Pythium wettable powder;
[0035] When the ear on the inflorescence develops to the size of a peanut grain, the ear is soaked in the solution of composition B once. Mycophenolate wettable powder.
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Abstract
The invention belongs to the technical field of agricultural planting, and provides a method for simultaneously improving the selenium content and the fruit setting rate of cherry tomatoes. The method comprises the steps that the cherry tomatoes are cultivated, flower and fruit retention and selenium and calcium supplement treatment are carried out on the cherry tomatoes in the cultivation process, when 2/3 florets on inflorescences of the cherry tomatoes bloom, the inflorescences are soaked in a composition A water solution once, and the composition A is prepared from 2,4-D, sodium selenite, amino acid calcium and 50% procymidone wettable powder; and when the clusters on the inflorescence develop to the size of peanut kernels, the clusters are soaked once, a composition B aqueous solution is sprayed, and the composition B is prepared from sodium selenite, amino acid calcium and 50% procymidone wettable powder. By means of the method for simultaneously improving the selenium content and the fruit setting rate of the cherry tomatoes, the yield of the cherry tomatoes is increased, the occurrence of the cherry tomato navel rot disease is reduced, and the standard requirement of the selenium-rich cherry tomatoes is met; and meanwhile, pollution to soil and water due to unreasonable application of exogenous selenium is reduced.
Description
technical field [0001] The invention relates to the technical field of agricultural planting, and more particularly to a method for simultaneously improving the selenium content and fruit setting rate of cherry tomato. Background technique [0002] Selenium (Se) is one of the essential trace elements for organisms and is known as "the protector of life". In the United States, selenium is regarded as a nutrient as important as vitamins and beta-carotene, and it is a nutrient that must be ingested every day like protein and starch. The recommended standard of the Chinese Nutrition Society in 1988 was 50 μg / d, but a nutritional survey of 13 provinces and cities in China showed that the daily intake of selenium for adults was only 26.63 μg. , 72% of the counties and cities in China are deficient in selenium to varying degrees. Selenium deficiency is common, because most of the selenium in the human body is ingested through food. Selenium is unevenly distributed on the earth. ...
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