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Application of sodium nitroferricyanide and/or sodium nitroprusside in slowing down output reduction of agricultural crops

A technology of sodium nitroprusside and crops, which is applied in the application field of sodium nitroprusside and/or sodium nitroprusside in slowing down crop production reduction, and can solve the problems of plant biomass reduction, damage to structure and function, and slow plant growth, etc. To achieve the effect of reducing losses and mitigating hazards

Inactive Publication Date: 2016-02-03
INST OF BOTANY CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

low concentration of O 3 There is no obvious effect on the blade, but when O 3 When the concentration increases to a certain level, it will cause various adverse effects on the leaves, destroy the normal structure and function, lead to accelerated leaf senescence, reduced photosynthetic rate, shortened effective leaf area duration, slow plant growth, and reduced plant biomass.

Method used

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  • Application of sodium nitroferricyanide and/or sodium nitroprusside in slowing down output reduction of agricultural crops
  • Application of sodium nitroferricyanide and/or sodium nitroprusside in slowing down output reduction of agricultural crops
  • Application of sodium nitroferricyanide and/or sodium nitroprusside in slowing down output reduction of agricultural crops

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Embodiment 1, slow down the method that ozone pollution causes winter wheat pollution

[0031] The winter wheat variety used in the experiment was Shannong No. 16 from Shandong Agricultural University. Potted plants, water regularly to avoid drought. Ozone fumigation begins during the flowering period of wheat, and the fumigation time is 9:00-17:00 every day.

[0032] There are two O in the test 3 Concentration levels, respectively 3 Handling, O 3 +SNP1, O 3 +SNP2,O 3 +SNP3).

[0033] control group and O 3 The composition of treatment spray solution is as follows: water, 1mL / plant.

[0034] The composition of sodium nitroprusside aqueous solution in the test group was as follows: SNP1 was 2.9795mg SNP and 1L water, the concentration was 100μM; SNP2 was 5.959mgSNP and 1L water, the concentration was 200μM; SNP3 was 8.9385mgSNP and 1L water, the concentration was 300μM. The above-mentioned control group and the test group solution are all evenly sprayed on the abo...

Embodiment 2

[0036] Embodiment 2, slow down the method that ozone pollution causes winter wheat pollution

[0037] Following exactly the same steps as in Example 1, only the winter wheat variety Shannong 16 was replaced with Taishan 18.

[0038] Measure wheat plant grain yield after fumigation ends, get average value, experimental result is as follows figure 2 shown. Depend on figure 2 It can be seen that for the control group, the dry weight of Taishan 18 single ear grains is 1.30 grams, and there is no O 3 The dry weight of wheat single ear grains is 1.00 grams, compared with the control, the yield is reduced by 22%; the dry weight of wheat single ear grains sprayed with 100 μM sodium nitroprusside aqueous solution is 1.09 grams; sprayed with 200 μM sodium nitroprusside aqueous solution The dry weight of a single ear of wheat was 1.20 grams; the dry weight of a single ear of wheat sprayed with 300 μM sodium nitroprusside was 1.22 grams, and the yield loss was significantly reduced.

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Abstract

The invention discloses an application of sodium nitroferricyanide and / or sodium nitroprusside in slowing down output reduction of agricultural crops. The invention further provides a method of slowing down effects of ozone pollution to output reduction of agricultural crops. The method comprises a step of spraying sodium nitroferricyanide aqueous solution on agricultural crops polluted by ozone. Therefore, effects of ozone pollution to output reduction of agricultural crops can be slowed down. The sodium nitroferricyanide and / or sodium nitroprusside can alleviate damages of ozone to agricultural crops; and agricultural crop output loss due to ozone pollution can be reduced.

Description

technical field [0001] The invention relates to the application of sodium nitroprusside and / or sodium nitroprusside in alleviating crop yield reduction. Background technique [0002] Near-surface ozone (O 3 ) refers to the near-surface layer O which is 1-2km above the ground 3 , except for a small amount by stratospheric O 3 In addition to the transmission to the near ground, most of the nitrogen oxides (NOx) and volatile organic compounds (Volatile Organic Compounds, VOCs) from a small amount of natural sources and a large amount of man-made sources are secondary pollution generated by a series of photochemical reactions under sunlight substances, the main reaction can be expressed as: VOCs+NOx+hν→O 3 +Other oxidizing agents. [0003] Ground O in many countries 3 Pollution has been able to inhibit the growth of many typical crops. The European Union adopts AOT40 to stipulate the threshold value of plant damage. AOT40 refers to the total radiation 50W / m 3 During the ...

Claims

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Application Information

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IPC IPC(8): A01G7/06A01G13/00
CPCA01G7/06A01G13/00
Inventor 李彩虹蒋高明孟杰
Owner INST OF BOTANY CHINESE ACAD OF SCI
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