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A kind of seed coating agent for inhibiting sprouting of potato and preparation method thereof

A technology of potato and bud seeds, applied in the field of pesticides, can solve the problems of affecting the bud suppression effect, not easy to grasp, uneven application of pesticides, etc., to achieve the effect of improving the emergence effect, delaying the germination of axillary buds, and having a long effective period

Inactive Publication Date: 2018-01-23
SICHUAN AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Spraying sprout suppressants does not require a lot of space, but uneven application can be a problem
If the medicament cannot be evenly applied to the surface of the potato, it will affect its bud-inhibiting effect
Chemical seed soaking can make potato seed potatoes evenly exposed to the chemical agent, but because the seed soaking requires the use of a thin solution of the chemical agent, the chemical agent must be soluble in water. When soaking the seeds, it is necessary to find the best application concentration and the best soaking time, so it is not easy to master

Method used

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  • A kind of seed coating agent for inhibiting sprouting of potato and preparation method thereof
  • A kind of seed coating agent for inhibiting sprouting of potato and preparation method thereof
  • A kind of seed coating agent for inhibiting sprouting of potato and preparation method thereof

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Effect test

preparation example Construction

[0058] The present invention also provides a preparation method of the potato sprout-suppressing suspension seed coating agent, comprising the steps of: taking uniconazole, a wetting dispersant, a film-forming agent, a thickener, an antifreeze, an additive, a warning color, an antifoaming agent, The preservative and water are mixed and then sanded, sheared and filtered to obtain the product.

[0059] In production, the mass ratio of the potato seed potato to the potato sprout-inhibiting suspension seed coating agent provided by the invention is 1: (100-200).

[0060] The potato sprout suppression composition provided by the invention consists of uniconazole and pendimethalin, and the concentration ratio of pendimethalin to uniconazole is (13-13.5):1. The potato germination inhibiting composition of the invention exerts good medicinal effect on delaying potato germination, can significantly delay potato axillary bud germination, and inhibit potato seed potato germination before...

Embodiment 1

[0062] Example 1: Effects of different ratios of pendimethalin and uniconazole on morphological indicators of potato seed

[0063] In order to confirm the ratio of pendimethalin and uniconazole compound in the seed coating agent, and apply it to practice through the seed coating agent, treat pendimethalin A (A 0 _0mg / L; A 1 _33mg / L; A 2 _165mg / L; A 3 _330mg / L), uniconazole B (B 0 _0mg / L; B 1 _25mg / L; B 2 _75mg / L), configure A 0 B 0 (clean water control), A 2 B 0 (165mg / L pendimethalin), A 0 B 2 (Uniconazole 75mg / L), A 1 B 1 (33mg pendimethalin + uniconazole 25mg) / L, A 2 B 1 (165mg pendimethalin + uniconazole 25mg) / L and A 3 B 1 (330mg pendimethalin + uniconazole 25mg) / L, A 1 B 2 (33mg pendimethalin + uniconazole 75mg) / L, A 2 B 2 (165mg pendimethalin + uniconazole 75mg) / L, A 3 B 2 (330mg pendimethalin + uniconazole 75mg) / L, a total of 9 treatments, each treatment is equipped with 300mL liquid medicine, set up 3 repetitions, 40 seed potatoes for each repeti...

Embodiment 2

[0069] Embodiment 2: Screening of wetting and dispersing agent

[0070]According to the physical and chemical properties of the agents, six wetting and dispersing agents, Tween-80, Nongru 1210#, Nongru 700#, Nongru 1601, Nongru 600#, and Nongru 4103#, were selected for screening tests. Screening of wetting and dispersing agents based on stability, dispersibility, suspension rate, and viscosity. The results are shown in Table 2.

[0071] Table 2 Selection of wetting and dispersing agents

[0072]

[0073]

[0074] The results showed that the suspension rate of the seed coating prepared by six kinds of wetting and dispersing agents were all greater than 90%, and the viscosity of Nongru 1210# was lower, and the thermal storage stability and dispersibility were better.

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Abstract

The invention relates to the technical field of pesticides, in particular to a potato bud suppressing composition, a seed coating agent and a preparation method thereof. The potato sprout suppression composition provided by the invention consists of uniconazole and pendimethalin, and the concentration ratio of pendimethalin to uniconazole is (13-13.5):1. The potato germination-inhibiting composition of the present invention exerts a good drug effect on delaying potato germination, can significantly delay the germination of potato axillary buds, and inhibit the germination of potato seed potatoes before planting. Compared with uniconazole single agent, the axillary buds are shorter, And it does not affect the emergence rate of seed potatoes after planting, and can improve the emergence effect of seed potatoes after planting. The invention also provides a potato sprout inhibiting seed coating agent comprising the potato sprout inhibiting composition of the invention and a preparation method thereof. The potato bud-suppressing seed coating agent of the invention has long effective period, concentrated medicinal power, high utilization rate and safe use. The preparation method of the potato sprout-inhibiting seed coating agent of the invention has simple operation and is suitable for large-scale production.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a potato sprout suppressing composition, and also to a potato sprout suppressing seed coating agent and a preparation method thereof. Background technique [0002] Potato (scientific name: Solanum tuberosum) is a perennial herbaceous plant belonging to the family Solanaceae, and its tubers are edible. Together with wheat, corn, rice, and sorghum, it has become the top five crops in the world. Potato, as the fourth largest food crop after rice, corn and wheat, has been paid more and more attention by people. In 2015, China will launch the strategy of turning potatoes into a staple food, promoting the processing of potatoes into staple foods such as steamed buns, noodles, and rice noodles. Potatoes will become another staple food besides rice, wheat, and corn. [0003] Potatoes mainly use tubers for vegetative propagation, but the dormant period of potato tubers used as seed po...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/653A01P21/00A01N33/18
Inventor 王学贵陈羿渠冯晓菲蒋素容龚国淑李沛利常小丽杨辉李庆杨群芳
Owner SICHUAN AGRI UNIV
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