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Long-acting slow-release seed coating for preventing and curing corn diseases and insect pests

A long-acting technology for pests and diseases, applied in the fields of pesticides, pest control, plant growth regulators, etc.

Inactive Publication Date: 2010-12-22
新疆农业科学院核技术生物技术研究所 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention is based on the study of the occurrence characteristics of corn diseases and insect pests under the multi-cropping mode of rotation, inter-cropping and multi-cropping in Xinjiang. There is no public report in the existing literature that is suitable for the special natural conditions of Xinjiang, and can effectively prevent and treat corn head smut and cutworms. , the seed coating agent with functions such as promoting production increase concurrently, also do not see the same related report as the formula of the present invention

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] The components of the corn seed coating agent and their weight percentage ratios are: 8.0% of seed dressing, 8.0% of thiram, 10.0% of chlorpyrifos, 15.0% of humic acid, 7.0% of xanthan gum, 7.0% of bentonite, and 2.0% of defoaming agent %, warning color 1.5%, water balance. The production process of the corn seed coating agent of the above ratio is:

[0013] a. Feeding: Mix seed dressing spirit, thiram, and chlorpyrifos in proportion, then pour them into the reactor; then add acid red B and humic acid, then add water, xanthan gum, and bentonite; rotate the reactor , so that the materials are fully mixed;

[0014] b. Stirring: Send the materials in the reactor to the stirring tank through the pipeline pump, add defoamer, and stir for 10 minutes;

[0015] c. Primary grinding: the material in the mixing tank is sent into the 25L sand mill through the feeding pump for sand grinding, and the outflowing material is stored in the mixing tank;

[0016] d. High-shear emulsifi...

Embodiment 2

[0022] The composition ratio of corn seed coating agent is: Seed dressing 6.0%, thiram 10.0%, chlorpyrifos 9.0%, humic acid 17%, xanthan gum 7%, bentonite 9%, defoamer 1.5%, warning color 1.0%, water margin. Among them, the purity of humic acid is 90%. Humic acid, bentonite, xanthan gum, defoamer, and rhodamine are all food-grade raw materials. Its manufacturing process is the same as embodiment 1.

[0023] This example was carried out in 2008 and 2009 in the experimental field of the Agricultural Technology Center of Maigaiti County, Kashi, Xinjiang, with an area of ​​about 30 mu. The soil is loamy, medium in fertility, dry in moisture, and the previous crop of wheat. According to the investigation at the seedling stage, the seedlings coated with the seed coating agent increased the emergence rate by 9.7%, 12.2%, and 13.7% respectively compared with those without coating. The average effect of cutting cutworms is 90.6%, and the duration of effect is 6-9 days longer than t...

Embodiment 3

[0025] The components of the corn seed coating agent and their weight percentage ratios are as follows: 10% of seed dressing, 6.0% of thiram, 8.0% of chlorpyrifos, 13% of humic acid, 6% of bentonite, 8.0% of xanthan gum, and 2.0% of defoamer %, warning color 1.5%, water balance. Among them, the purity of humic acid is 90%, and humic acid, bentonite, xanthan gum, defoamer, and acid red B are all food-grade raw materials. The manufacturing process is the same as in Example 1.

[0026] This embodiment was carried out in 2008 and 2009 in the experimental field of Tahaqi Township, Shache County, Kashi Prefecture, Xinjiang, with an area of ​​50 mu. The soil is alkaline, the fertility is low, and the moisture content is average. The previous crop of corn. According to the investigation of the growth period, the corn seeds coated with this seed coating agent increased the emergence rate by 6.8%, 13.3%, and 9.1% respectively compared with those without coating, and the average effect...

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PUM

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Abstract

The invention discloses a long-acting slow-release seed coating for preventing and curing corn diseases and insect pests, comprising an insecticide and bactericide, a growth regulator, a film-forming agent and a suspension agent, which is characterized by comprising the following components based on a weight ratio: 5.0-11.0% of amicarthiazol, 5.0-12.0% of thiram, 6.0-12.0% of chlorpyrifos, 10-20%of humic acid, 6-12% of xanthan gum, 6-15% of bentonite, 1.0-6.0% of antifoaming agent, 6-12% of aposematic colouration and the balance water. The seed coating can be prepared by the following steps:adding the humic acid, the xanthan gum and the bentonite in the water for dissolving, then adding the amicarthiazol, the thiram, the chlorpyrifos, the antifoaming agent and the aposematic colouration, stirring at a high speed, and obtaining the finished product after coarse grinding and fine grinding. The finished product has the characteristics of good film formation, even coating, low toxicity,environment protection and low cost. Under the unique soil and weather conditions in Xinjiang, the field germination rate for corn seeds can be improved by about 10% and the effect for preventing andcuring the diseases and the insect pests reaches above 85%.

Description

1. Technical field [0001] The invention relates to a seed processing technology, in particular to a seed coating formulation and a production process. 2. Background technology [0002] Maize tumor smut and head smut spread all over the world's corn producing areas. Since the disease was first reported in Northeast my country in 1919, it has spread rapidly and occurred to varying degrees every year. From a national perspective, the incidence is severe in the northern spring corn region, the southwest hilly and mountainous corn region, and the northwest corn region. The incidence rate is 2% to 8% in general years, and 60% to 70% in individual plots, resulting in heavy losses. In the 1980s, the disease has been basically controlled, but it is still one of the main diseases of corn production, and it has an upward trend in recent years. The two diseases are also the main diseases of corn in Xinjiang, and the annual damage area is about 4 million mu. [0003] Cutworms belong ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N61/00A01N43/78A01N47/26A01N57/16A01P7/04A01P3/00A01P21/00
Inventor 赵奇雷斌常晓春孟凤轩胡爱芝王国平王东付文君张建平陈蓉
Owner 新疆农业科学院核技术生物技术研究所
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