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Soluble powder of botanical herbicide and preparation method thereof

A herbicide and plant-sourced technology, applied in botany equipment and methods, herbicides and algicides, plant growth regulators, etc., can solve the problem of no herbicidal activity of Sapindus extract, no sapindus outer testa Extract herbicide products and other issues, to achieve the effect of not easy to produce drug resistance, good weeding effect, and broad application prospects

Inactive Publication Date: 2014-10-29
INT CENT FOR BAMBOO & RATTAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But so far there is no report about the herbicidal activity of the extract of Sapindus chinensis, and there is no herbicide product with the exotesta extract of Sapindia chinensis as the active ingredient.

Method used

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  • Soluble powder of botanical herbicide and preparation method thereof
  • Soluble powder of botanical herbicide and preparation method thereof
  • Soluble powder of botanical herbicide and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1: Preparation of 40% Soapberry Extract Soluble Powder

[0020] Air-dry, sun-dry or dry at 40-60°C, pulverize, add extraction solvent according to the ratio of solid to liquid 1:10, soak and extract for 4 hours, repeat 3 times. The extracts are combined and spray-dried to obtain the Sapindus exotesta extract. Dissolve 1kg of Sapindus exotesta extract, 0.25kg of sodium lignosulfonate, 0.75kg of urea, and 0.5kg of anhydrous sodium sulfate with distilled water, respectively, and filter with suction. Mix the above-mentioned raw material solutions evenly, and spray dry to obtain 40% soluble powder of sapindus chinensis extract.

Embodiment 2

[0021] Example 2: Preparation of 80% Soapberry Extract Soluble Powder

[0022] Air-dry, sun-dry or dry at 40-60°C, pulverize, add extraction solvent according to the ratio of solid to liquid 1:6, soak and extract for 4 hours, repeat 3 times. The extracts are combined and spray-dried to obtain the Sapindus exotesta extract. Dissolve 2 kg of sapindus seed coat extract, 0.25 kg of sodium lignosulfonate, and 0.25 kg of urea with distilled water, respectively, and filter with suction. Mix the above-mentioned raw material solutions evenly, and spray dry to obtain 80% soluble powder of sapindus chinensis extract.

Embodiment 3

[0023] Embodiment 3: the influence of Sapindus exotesta extract on the growth of plant seedlings

[0024] Bermudagrass, creeping bentgrass, bluegrass, red clover and head lettuce were used as the test target plants, and the herbicidal activity of the extract of Sapinberry was evaluated by agar mixed powder method.

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PUM

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Abstract

The invention relates to botanical herbicide soluble powder and a preparation method thereof, and belongs to the technical field of herbicides. The botanical herbicide soluble powder specifically comprises 40-80% of soapberry testa extract, 10-15% of pesticide surfactant, and 5-50% of filling. The preparation method includes: using distilled water to dissolve the soapberry testa extract, and performing leaching; mixing well the pesticide surfactant, the filling and the distilled water, and performing leaching; and mixing well the solutions and performing spray-drying to obtain the botanical herbicide soluble powder. The botanical herbicide is applicable to post-seeding pre-emergence soil treatment and control and removal of farmland weeds.

Description

technical field [0001] The invention belongs to the technical field of herbicides and relates to a herbicide of botanical origin, in particular to a soluble powder of herbicide of botanical origin which uses Sapindus sapindus seed coat extract as an active ingredient and a preparation method thereof. Background technique [0002] The harm of farmland weeds all causes a large amount of yield reduction of crops every year. The use of chemical herbicides is still the main means of weed control at present, but due to the large and unreasonable use of chemical herbicides, it has caused environmental pollution, pesticide residues and weed resistance, which has attracted widespread attention. Therefore, the development of new herbicides with high efficiency, low toxicity and low residue has become an urgent problem to be solved. Searching for biologically active substances from plants and then developing new environmentally friendly pesticides are currently hot research areas at h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N65/08A01N25/14A01P13/00
Inventor 汤锋陶吴群岳永德姚曦王进郭雪峰孙嘏
Owner INT CENT FOR BAMBOO & RATTAN