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A kind of microbial seed pelletized coating composition

A technology of pelletization and composition, which is applied in the field of seed coating coating agents, can solve the problems of short residual period of biological insecticides, etc., to prolong the duration and residual period, ensure germination ability, and prolong nutrition The effect of growth period

Active Publication Date: 2022-03-04
PLANT PROTECTION RES INST OF GUANGDONG ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, bio-based insecticides, especially microbial active ingredients, have become a bottleneck restricting the development of these insecticides due to their short residual effect in the field. How to improve their insecticidal effect is the biggest problem facing manufacturers.

Method used

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  • A kind of microbial seed pelletized coating composition
  • A kind of microbial seed pelletized coating composition
  • A kind of microbial seed pelletized coating composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Seeds tested: Rapeseed

[0022] Seed pelleting process: seed selection (de-horning or grinding)→seed disinfection→wetting with adhesive→mixing with medicament or auxiliaries→adding filler and stirring→pellet forming→hot air drying→screening and grading according to particle size→ Quality inspection → quality weighing → bagging → storage, the invention adopts the rolling granulation method, and utilizes the rotary seed pelletizing machine. The specific steps are: put the selected seeds into the horizontal drum, and the seeds follow the Spray the adhesive while rolling continuously so that the seeds do not stick to each other and maintain a certain humidity on the surface, then add the starch evenly mixed with the Bacillus subtilis powder and spray the plant growth regulator, then add the filler, and send it into the Dry in drying equipment.

[0023] The coating composition formulations were prepared according to Table 1, composition A1 was the experimental group, and bo...

Embodiment 2

[0027] Test seeds and seed pelletization process flow are all the same as in Example 1.

[0028] The coating composition formulations were prepared according to Table 2, composition A2 was the experimental group, and both composition B2 and composition C2 were control groups.

[0029] Table 2:

[0030]

[0031] The germination ability of seeds is measured by germination on a sand bed. The pelleted seeds are placed in a 12cm×12cm×6cm small germination box covered with fine sand, and gently pressed into the sand bed with your fingers to make it just submerged in the sand. , each formula has 3 repetitions, 50 seeds per repetition, keep the room temperature around 25℃, and give 12h of light every day for germination determination. Observe and count the number of germinations every day (with the cotyledons exposed as a standard), count the germination potential after the test starts 3d, count the germination rate after 7d, the germination rate and the germination potential resu...

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Abstract

The present invention relates to disclosing a microbial pelletized seed coating composition, said coating composition comprising one or more active substances and inactive substances sprayed on the surface of seeds, said active substance microbial active ingredient, said The inactive material comprises starch, wherein the microbial active ingredient is uniformly distributed in the starch. The present invention uses starch to specifically promote the growth and reproduction of microbial active ingredients, prolong the duration and residual effect of microbial active ingredients, and continuously and stably ensure the efficacy of microbial active ingredients to play the role of disease prevention and insecticide, ensuring that the seeds can be used even in barren and dry conditions. The germination ability under severe disease conditions, the germination rate and germination vigor of seeds are obviously improved.

Description

technical field [0001] The present invention relates to a coating agent for seed coating, in particular to a pelletized coating composition for microbial seeds. The growth and reproduction properties of the microbial active ingredients provide the seeds with an extremely strong insecticidal effect even under particularly poor conditions. Background technique [0002] Seed coating refers to the use of adhesives to adhere fungicides, insecticides, plant growth regulators, colorants, fillers and other substances to the surface of the seeds. The weight of the coated seeds increases and is suitable for mechanical sowing. Pelletization is a main type of seed coating. For small-sized seeds, it is easy to drift with the wind, and the seeds are not easy to germinate and grow in the soil. It solves the problem of seeds drifting with the wind during aerial sowing, and at the same time can increase nutrition through pelletization, keep water, and form a micro-soil environment for seeds...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/12A01N45/00A01N43/38A01N37/40A01N37/10A01N43/90A01N37/08A01N63/22A01N63/23A01N63/20A01N63/27A01N63/30A01N25/00A01P7/04A01P21/00
Inventor 林庆胜冯夏尹飞
Owner PLANT PROTECTION RES INST OF GUANGDONG ACADEMY OF AGRI SCI
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