HZSN.J absorption-resistant film agent for preventing and controlling rice planthoppers and preparation method thereof

An anti-absorption film agent, the technology of rice planthopper, which is applied in the fields of botanical equipment and methods, antifouling/underwater coatings, biocides, etc. The effect of strengthening, reducing pollution and increasing field duration

Inactive Publication Date: 2016-08-03
GUIZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the current problem of large amount of pesticide application and low pesticide usage rate in the prevention and control of rice planthoppers, combined with the concept of advocating organic ecological planting and green prevention and control of harmful organisms in today's society, the purpose of the present invention is to provide a spraying method for the surface of rice stalks. Film application agent to effectively reduce environmental pollution, improve the utilization rate of pesticides, improve the actual control effect, and realize the prevention and control of rice planthopper's piercing and sucking damage to rice

Method used

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  • HZSN.J absorption-resistant film agent for preventing and controlling rice planthoppers and preparation method thereof
  • HZSN.J absorption-resistant film agent for preventing and controlling rice planthoppers and preparation method thereof
  • HZSN.J absorption-resistant film agent for preventing and controlling rice planthoppers and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] This film preparation method of the present invention: first add the water of 360g in the beaker of 500mL, add the sodium carboxymethyl cellulose of 10g under stirring to dissolve completely. Then add 500g of water into a 1000mL beaker, heat to 70°C, add 60g of sodium alginate and 20g of polyvinyl alcohol PVA-124 while stirring, and then add 20g of nano-silica and 10g of sodium benzoate after cooling Then add the above-mentioned 370g sodium carboxymethyl cellulose aqueous solution and 20g organosilicon solution in sequence, and stir for 24 hours to obtain a milky white uniform suspension. The pH value of the material is 5.4~6.5, and the viscosity value is 110~130Pa·S.

experiment example 1

[0026] In order to understand the anti-absorption activity of the film agent of the present invention on rice planthoppers, and to provide scientific basis for popularization and application in the future, the film agent of the present invention was used for indoor experiments.

[0027] Taking the rice seedlings at the tillering stage cultivated in nutrient solution as the experimental object, the rice is divided into the upper part of the root and the lower part of the root. cm, dilute the formula film to 5 concentrations, respectively 25 times, 50 times, 100 times, 200 times and 400 times, and clear water as a control, a total of 6 treatments, spray the quantitative dilution solution on the rice stem with a small sprayer On the stalk, set 12 repetitions for each treatment. After the sprayed film agent dries, make a hole in the middle of the cut circular paper, put it on the lower part of the rice stalk, and use cotton to plug the gap to fix the stalk. fixed in a glass tube. ...

experiment example 2

[0033] In order to understand the impact of the film agent of the present invention on the growth and development of rice, select the rice seedlings at the tillering stage with similar growth and hydroponic cultivation with nutrient solution as the experimental object, and dilute the film agent of the present invention to 5 concentrations, which are 25 times and 50 times respectively. 100 times, 200 times and 400 times, clear water was used as a control, a total of 6 treatments, the quantitative dilution solution was sprayed on the rice stems with a small sprayer, and each treatment was repeated 3 times, on the third, fifth and seventh days. Record the height of rice seedlings, the length of adventitious roots and the number of newly grown adventitious roots, and compare them with three of the 12 repetitions corresponding to Experimental Example 1 (the repetitions taken in each experiment are different, so each data Only compared with the measured data of the day).

[0034] Th...

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PUM

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Abstract

The invention discloses an HZSN.J absorption-resistant film agent for preventing and controlling rice planthoppers and a preparation method thereof .The HZSN.J absorption-resistant film agent is prepared from, by weight, 4-6% of sodium alginate, 2-3% of polyvinyl alcohol PVA-124, 1-1.5% of nano white carbon black, 1-2% of sodium carboxymethylcellulose, 0.5-1% of sodium benzoate, 1-2% of organosilicone and the balance water .The preparation method comprises the steps of adding all components to water, mixing the components to be uniform, so that milk-white suspension is obtained; the milk-white suspension is the HZSN.J absorption-resistant film agent .After being diluted with water, the film agent is sprayed to the surfaces of rice stalks, a protective film layer which is difficult to see by naked eyes can be formed, the film layer is of a certain thickness and contains certain particulate substances, damage caused by pricking and suction of rice planthoppers can be prevented, in addition, pesticide consumption can be remarkably reduced, and it is helpful to protect the environment and food safety.

Description

technical field [0001] The invention relates to an anti-absorption film agent (code name 101) for preventing and controlling rice planthoppers. After the protective film agent is sprayed on the surface of rice stems, it can protect the crops without affecting the growth of rice, so that the rice will not be affected. The piercing and sucking of rice planthoppers can also greatly reduce the amount of pesticides used to protect the environment, water sources and rice safety. It belongs to the field of green pest control. Background technique [0002] Rice is one of the most important food crops in the world. Rice plays a very important role in the development of human beings. Its production status is crucial to the economic development of our country and the construction of a harmonious society. However, the annual loss of my country's rice production due to pests and diseases reaches 4-5 million tons. [0003] Rice planthopper is one of the important pests of rice. In recen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D105/04C09D129/04C09D7/12C09D5/14A01G13/00A01N51/00A01N25/34A01P7/04
CPCA01G13/00A01N25/34A01N51/00C08K2201/011C08L2205/035C09D5/14C09D7/61C09D7/63C09D7/65C09D105/04C08L29/04C08L1/286C08L83/04C08K3/36C08K5/098
Inventor 李明徐雪凌李荣玉韩晶波吴小毛
Owner GUIZHOU UNIV
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