Pest repellent, pest repellent product, preparation method and application
A technology of repellents and pests, which is applied in botany equipment and methods, pest repellents, animal repellents, etc., can solve the problems of unfavorable growth of crops and high cost of raw materials, and achieve good market development prospects, low production costs, Enhance the effect of the approach-avoidance effect
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Embodiment 1
[0034] Prepare pest repelling products according to the following method: 1kg fresh leaves and stems of amaranth are crushed, add 10L of water, heat to 50°C for leaching for 1.5 hours, filter to take the supernatant, add dilute hydrochloric acid to adjust the pH value to 5, and centrifuge to take the supernatant , Concentrated 18 times at 50°C. Take the obtained amaranth water extract and mix the acetic acid buffer solution, the dosage is shown in Table 1, after mixing, heat to 50°C to fully dissolve each component and mix evenly to obtain the pest repellent.
[0035] Take 1 g of absorbent cotton and divide it into 10 parts, soak it in the pest repellent, make the absorbent cotton completely absorb the repellent, pack and seal it separately, and store it at 4°C for 25 days.
[0036] After opening the package of the preserved repellent, place it next to the Moringa oleifera that needs to be protected, let the repellent volatilize at room temperature for 15 days, and the Moringa...
Embodiment 2
[0040] Prepare pest repelling products according to the following method: 1kg fresh leaves and stems of amaranth are crushed, add 10L of water, heat to 40°C and extract for 2 hours, filter to take the supernatant, add dilute hydrochloric acid to adjust the pH value to 4.5, and centrifuge to take the supernatant solution, concentrated 15 times at 40°C. Take the obtained amaranth water extract and mix with acetic acid buffer solution, the dosage is shown in Table 1, after mixing, heat to 40°C to fully dissolve each component and mix evenly to obtain the pest repellent.
[0041] Take 1 g of absorbent cotton and divide it into 10 parts, soak it in the pest repellent, make the absorbent cotton completely absorb the repellent, pack and seal it separately, and store it at 4°C for 25 days.
[0042] After opening the package of the preserved repellent, place it next to the Moringa oleifera that needs to be protected, let the repellent volatilize at room temperature for 15 days, and the...
Embodiment 3
[0044] Prepare pest repelling products according to the following method: 1 kg of fresh leaves and stems of amaranth is crushed, add 10 L of water, heat to 60 ° C for 1 hour, filter and take the supernatant, add dilute hydrochloric acid to adjust the pH value to 5.5, and centrifuge to take the supernatant , Concentrated 20 times at 60°C. Take the obtained amaranth water extract and mix with acetic acid buffer solution, the dosage is shown in Table 1, after mixing, heat to 60°C to fully dissolve each component and mix evenly to obtain the pest repellent.
[0045]Take 1 g of absorbent cotton and divide it into 10 parts, soak it in the pest repellent, make the absorbent cotton completely absorb the repellent, pack and seal it separately, and store it at 4°C for 25 days.
[0046] After opening the package of the preserved repellent, place it next to the Moringa oleifera that needs to be protected, let the repellent volatilize at room temperature for 15 days, and the Moringa aphids...
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