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A rice growth regulator composition containing prohexadione calcium and rare earth nitrate

A growth regulator, rare earth nitrate technology, applied in the field of agrochemicals, can solve problems such as unqualified prohexadione calcium raw drug, reduced production or even no harvest, slow growth, etc. Technical threshold, the effect of increasing chlorophyll content

Active Publication Date: 2019-11-05
安阳全丰生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the spraying concentration is too high, the growth of the plant will be excessively inhibited, and obvious phytotoxicity will be formed, showing that the plant is short, stiff seedlings are formed, the growth is slow, no ear can be drawn, the ear is deformed, the seed setting rate is reduced, and the yield is reduced.
[0006] my country has a wide range of rice planting areas, with various varieties and various planting periods. Due to the short time on the market of prohexadione calcium, the lack of detailed application methods, and the lack of awareness of new products by farmers, many manufacturers have adjusted in recent years. Calcium cyclic acid products have suffered from large-scale production reduction or even failure due to improper use period, use method or use dosage.
In addition, the rescue of phytotoxicity with gibberellin will cause secondary excessive growth of rice; and the original drug of prohexadione calcium does not have the conditions to make microcapsule preparations, and the sustained release effect cannot be achieved

Method used

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  • A rice growth regulator composition containing prohexadione calcium and rare earth nitrate
  • A rice growth regulator composition containing prohexadione calcium and rare earth nitrate
  • A rice growth regulator composition containing prohexadione calcium and rare earth nitrate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Mix prohexadione calcium and rare earth nitrate according to the mass ratio of active ingredients (calcium prohexadione: rare earth nitrate) at a mass ratio of 1:10 to prepare prohexadione calcium content of 5%, rare earth nitrate content of 50%, and active ingredient content of It is a 55% effervescent granule (composition A). Set 1, 2, 4g a.i. / mu (composition A is 20, 40, 80g / mu) 3 treatments according to the active ingredient dosage of prohexadione calcium, and set 5% prohexadione calcium effervescent granules according to the active ingredient dosage 1, 2, 4g a.i. / mu 3 control treatments, 1 clean water control treatment, a total of 7 treatments, no repetition, the area of ​​the plot is 134m 2 .

[0022] The experiment was arranged in Taiping Town, Yuanyang County, Xinxiang City, Henan Province. The area of ​​the experimental field was 3.0 mu. The rice variety was Huangjinqing. It was transplanted on June 19, and the planting density was 15,000 holes per mu. The pr...

Embodiment 2

[0032] Prohexadione calcium and rare earth nitrate are mixed according to the mass ratio of the active ingredients (calcium prohexadione: rare earth nitrate) at 1:5, and the content of prohexadione calcium is 5%, the content of rare earth nitrate is 25%, and the active ingredient content is a 30% effervescent tablet (composition B). Composition B set 1 treatment according to the active ingredient dosage of prohexadione calcium 1.25g a.i. / mu, and another 5% prohexadione calcium effervescent tablet according to the active ingredient dosage 1.25g a.i. / mu (preparation 25g / mu) set 1 For the control treatment, one treatment was set for the clean water control, and a total of three treatments were set up without duplication. The area of ​​the plot was 300㎡.

[0033] The experiment was arranged in Sishang Village, Beigang Township, Puyang County, Henan Province. The area of ​​rice in the experimental field was 1.5 mu, and the rice variety was Xinfeng No. 5. The soil in the experimenta...

Embodiment 3

[0040] Mix prohexadione calcium and rare earth nitrate according to the mass ratio of active ingredients (calcium prohexadione: rare earth nitrate) at 1:10, 1:20, and 1:40 to make prohexadione calcium with a content of 2%, rare earth nitrate Content is 20%, and active ingredient content is the effervescent granule (composition C) of 22%; Prohexadione calcium content is 2%, and rare earth nitrate content is 40%, and active ingredient content is the effervescent granule ( Composition D); the prohexadione calcium content is 2%, the rare earth nitrate content is 80%, and the effervescent granule (composition E) with an active ingredient content of 82%, according to the active ingredient dosage of prohexadione calcium 1.5g a.i. / Set up 1 treatment per mu, and set up 2% prohexadione calcium effervescent granules according to the active ingredient dosage of 1.5g a.i. / mu. Set up 1 control treatment, and set up 5 treatments in total. The protected rows are randomly arranged without rep...

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Abstract

The invention belongs to the field of agricultural chemistry, and specifically relates to a paddy rice growth regulator composition containing prohexadione calcium and rare earth nitrate. The effective components of the composition are prohexadione calcium and rare earth nitrate. The mass ratio of prohexadione calcium to rare earth nitrate is 1:1-1:100. The composition also comprises non-effectivecomponents. The effective components account for 1.5 to 95% of the weight of the composition. Prohexadione calcium accounts for 0.5 to 25% of the total weight of the composition. Rare earth nitrate accounts for 1 to 70% of the total weight of the composition. The composition can solve the problem that paddy rice is damaged by pesticide due to incorrect application time or incorrect using amount.Prohexadione calcium and rare earth nitrate are used together so as to buffer the effect of prohexadione calcium.

Description

technical field [0001] The invention belongs to the field of agrochemicals, and in particular relates to a rice growth regulator composition containing prohexadione calcium and rare earth nitrate. Background technique [0002] Prohexadione calcium is a new plant growth regulator. It can inhibit the synthesis of gibberellin through the absorption of plant seeds, roots and leaves. It can shorten the elongation of the stems of many plants, control the growth of crop nodes, make the stems thick, dwarf the plants, reduce and prevent lodging; promote fertility, promote the growth of lateral buds and rooting, keep the stems and leaves dark green, and the leaves stand upright ; Control flowering time, improve fruit setting rate, and promote fruit ripening. It can also improve the stress resistance of plants and enhance the ability of plants to resist diseases, cold and drought. Compared with the currently widely used triazole retardants, prohexadione calcium has no residual toxic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N59/16A01N37/42A01P21/00
CPCA01N37/42A01N59/16
Inventor 徐雪松张建王石鑫白雪莉李文广晋艳芳
Owner 安阳全丰生物科技有限公司
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