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Insecticidal composition containing bacillus thuringiensis and cartap granules
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The technology of an insecticidal composition and a granule is applied in the field of insecticides compounded by Bacillus thuringiensis and tetracycline, and achieves the effects of low production cost and raw material cost, environmental safety and high safety.
Inactive Publication Date: 2011-06-01
安徽华信国际控股股份有限公司
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Problems solved by technology
Over the years, people have paid great attention to the control of corn borer. In the past, spraying method was often used to control corn borer. Because corn borer was in the heart leaf stage, the pesticides were difficult to contact, resulting in poor control effect. Later, people used relatively simple granules to carry out the control. For spreading, more 3% phoxim granules are used. Because corn is sensitive to phoxim, there are often phytotoxicity phenomena, and 3% carbofuran granules are also used, but carbofuran is a highly toxic pesticide. In the process of use, users may be poisoned. Due to the influence of meteorological conditions, the efficacy of the drug cannot be fully exerted, and the control effect is often poor, and there are residues, so it is rarely used.
Bacillus thuringiensis spraying is also used to control corn borer, but the insecticidal effect is poor, so people have been looking for ideal pesticides and application methods to solve the problem of corn borer control
Method used
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Embodiment 1
[0043] 98% cartap powder is 0.51% by weight
[0044] Paraffin 0.5% by weight
[0045] Methyl violet 0.1% by weight
[0046] Detergent 2% by weight
[0047] Yellow sand make up to 100%
[0048] First mix the required Bacillus thuringiensis raw powder and cartap raw powder in the mixer according to the amount of the formula, and then put the pre-dyed carrier yellow sand in the rolling mixer, and then add the wet spreading agent and adhesive After coating, make it adhere to the yellow sand evenly, then continuously add the above-mentioned active raw powder, and coat until the required amount is completely coated, and finally dry it in a dryer at 45°C at low temperature. During the application, the granules are scattered in the corn heart leaves by the bottle throwing method during the horn-mouth stage of the corn.
[0049] Example 2
[0050] 2000IU / mgBt·3% cartap granule
Embodiment 2
[0052] 98% cartap powder is 3.06% by weight
[0053] Paraffin 1% by weight
[0054] Pink pigment 0.1% by weight
[0055] Detergent 2% by weight
[0056] Yellow sand make up to 100%
[0057] The preparation method and application method are the same as in Example 1.
[0058] Example 3
[0059] 16000IU / mgBt·0.5% cartap granules
Embodiment 3
[0061] 98% cartap powder is 0.51% by weight
[0062] Polyvinyl alcohol 1% by weight
[0063] Pink pigment 0.1% by weight
[0064] Detergent 2% by weight
[0065] Yellow sand make up to 100%
[0066] The preparation method and application method are the same as in Example 1.
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Abstract
The invention relates to an insecticidal composition containing bacillus thuringiensin and cartap granules, which is prepared by combining the two active components such asbacillus thuringiensis and cartap granules, wherein the cartap accounts for 0.5-10% in percentage by weight, the bacillus thuringiensis is 1*10 <3>-1.6*10 <4> IU / mg and the balance is auxiliaries and carriers. The application method comprises the step of throwing the granules in the interior leaves of the corn via a dispersed distributing manner in the period of corn trumpet. The invention provides the insecticidal composition containing bacillus thuringiensin and cartap granules, which has high efficiency, low toxicity and low cost and is convenient in use as well as the application method thereof.
Description
technical field [0001] The invention relates to an insecticidal combination agent, in particular to an insecticide compounded by Bacillus thuringiensis and cartap. Background technique [0002] Corn is one of the three major food crops in my country. It has a wide range of uses and a long industrial chain. It can not only be used as food and feed, but also an important renewable industrial raw material, which plays an important role in national food security. During the "Tenth Five-Year Plan" period, my country's corn consumption increased from 112 million tons in 2000 to 127 million tons in 2005, with an average annual growth rate of 2.5%. In 2006, domestic consumption was 134 million tons (excluding exports). Therefore, the corn planting area is expanding year by year, and the main pest that seriously endangers the corn yield is the corn borer. The corn borer is also called the corn borer or arrow rod insect. heavy pest. Generally, spring corn production can be reduce...
Claims
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Application Information
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