Botanical herbicide soluble powder and preparation method thereof
A herbicide, plant-derived technology, applied in the directions of botanical equipment and methods, herbicides and algicides, plant growth regulators, etc. Extract herbicide products and other problems, to achieve the effect of not easy to produce drug resistance, good herbicidal effect, and broad application prospects
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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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