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Composite photorespiration inhibitor as well as preparation method and application thereof

A photorespiratory inhibitor and composite technology, which is applied in the field of plant biology, can solve problems affecting photosynthesis efficiency, etc., and achieve the effect of increasing net photosynthesis rate, good effect, and improving yield and quality

Active Publication Date: 2020-11-24
DALIAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This will greatly affect the efficiency of photosynthesis

Method used

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  • Composite photorespiration inhibitor as well as preparation method and application thereof
  • Composite photorespiration inhibitor as well as preparation method and application thereof
  • Composite photorespiration inhibitor as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Sodium bicarbonate with a concentration of 50mg / L~500mg / L, sodium bisulfite with a concentration of 50mg / L~500mg / L, choline chloride with a concentration of 50mg / L~500mg / L, and a concentration of 0.5%~ 1.5% Tween-80 is configured as a mixed reagent, and sprayed once 10 days before the flowering period, 10 days after the flowering period, and the fruit expansion period, and sprayed on the leaves of the plant carefully, and the control is sprayed with water . The photosynthetic rate was measured 20 days after flowering, and the yield and total sugar of the fruit were measured at the ripening stage of the fruit.

[0018] In this example, 9 compound photorespiratory inhibitors were designed according to different concentrations. Wherein, the concentration design of Tween-80 is 1.5% (A1), 1.0% (A2) and 0.5% (A3); The concentration design of sodium bicarbonate is 500mg / L (B1), 300mg / L (B2) and 100mg / L (B3); the concentration design of sodium bisulfite is 500mg / L (C1), 300m...

Embodiment 2

[0030] Each combination and control group in Example 1 were used to carry out the spraying experiment. In the spring of 2016, in a certain orchard in Dalian Economic and Technological Development Zone, 50 "Meizao" cherry trees (1 strain as one) were selected for 10 years of life and the growth was basically the same. Repeat), 10 days before their flowering stage, 10 days after the flowering stage, and around 4:00 p.m. Be careful when spraying. The photosynthetic rate was measured 20 days after flowering, and the yield and total sugar of the fruit were measured at the ripening stage of the fruit. The photosynthetic rate was measured by a photosynthetic rate meter, and the total sugar of the fruit was determined by anthrone colorimetry. The experimental results were statistically analyzed by means of analysis of variance.

[0031] 1. Yield per unit area (kg / 666.67m 2 )

[0032]

[0033]

[0034]

[0035] Conclusion: Combination 2 has the highest fruit yield per unit...

Embodiment 3

[0048] In the spring of 2017, continue to test on the tree of embodiment 2. The number of plants and the number of repetitions are the same as in Example 2. 10 days before their flowering period, 10 days after the flowering period, and around 4 o'clock in the afternoon during the fruit expansion period, the compound photorespiratory inhibitor was sprayed once, and the control was sprayed with clear water. Each treatment was repeated 5 times. Be meticulous and thoughtful. The photosynthetic rate was measured 20 days after flowering, and the yield and total sugar of the fruit were measured at the ripening stage of the fruit. The photosynthetic rate was measured by a photosynthetic rate meter, and the total sugar of the fruit was determined by anthrone colorimetry. The experimental results were statistically analyzed by means of analysis of variance.

[0049] 1. Yield per unit area (kg / 666.67m 2 )

[0050]

[0051]

[0052]

[0053] Conclusion: Combination 2 has the...

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Abstract

The invention belongs to the technical field of plant biology, and particularly relates to a composite photorespiration inhibitor as well as a preparation method and application thereof. The compositephotorespiration inhibitor comprises sodium bicarbonate with the concentration of 50 mg / L-500 mg / L, sodium hydrogen sulfite with the concentration of 50 mg / L-500 mg / L, choline chloride with the concentration of 50 mg / L-500 mg / L and tween-80 with the concentration of 0.5%-1.5%. According to the invention, the three photorespiration inhibitors are organically combined together, and the spreader isadded, so that the absorption of the medicament is facilitated, the respective photorespiration inhibition effects and the synergistic inhibition effect among the photorespiration inhibitors are exerted, the photorespiration degree is reduced, and the yield and quality of crops are remarkably improved.

Description

technical field [0001] The invention belongs to the field of plant biotechnology, in particular to a compound photorespiration inhibitor. Background technique [0002] The green cells of plants rely on light to absorb oxygen and release carbon dioxide, a process called photorespiration. C3 plants such as apples, grapes, cherries, wheat, and rice have significant photorespiration. Through photorespiration, 1 / 4 to 1 / 3 of the newly formed organic matter in photosynthesis can be consumed. The photorespiration of sorghum, corn, sugarcane and other C4 plants consumes very little photosynthetic products, only 2% to 5% of the newly formed organic matter in photosynthesis, or even less. Therefore, photorespiration consumes a large amount of photosynthetic products, especially for C3 plants, which consume a greater amount of photosynthetic products. This greatly affects the efficiency of photosynthesis. Therefore, how to reduce the intensity of photorespiration and reduce the cons...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N59/02A01N59/00A01N33/12A01N25/30A01P21/00
CPCA01N25/30A01N33/12A01N59/00A01N59/02
Inventor 侯义龙黄子莹蔡军
Owner DALIAN UNIV
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