Biological weed control compound and preparation method thereof
A technology of herbicides and compounding agents, which is applied in the fields of botanical equipment and methods, biocides, herbicides and algicides, can solve the problems of unsatisfactory manual removal and mechanical control, difficult chemical control, etc. Cost of biological control, good weed control effect, and strong host-specific effect
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Embodiment 1
[0040] (1) Conidia culture: Cultivate QZ-2000 in a culture medium containing potato, glucose and agar for 7 days; take a small piece of colony and transfer it to wheat bran-sawdust or wheat bran solid medium Cultivate for 7 days, cut the bacteria into small pieces and lay them flat in a flat container with a thickness of 1cm, place them under black light for 48 hours, air-dry and pulverize them, and then sieve to get spore powder; or inoculate the small pieces of colonies on corn Shake culture in powder-soybean powder-sucrose liquid medium for 6 days, filter out the residual liquid of the medium, rinse with sterile water to obtain mycelium, and obtain a suspension of mycelium fragments after crushing, and put it in a petri dish under light 36h, the spores were obtained;
[0041] (2) Configure chemical herbicide mother liquor: prepare the mother liquor of the chemical herbicide nicosulfuron-methyl preparation diluted 100 times, take 1ml of nicosulfuron-methyl preparation and ad...
Embodiment 2
[0044] (1) Conidia culture: Cultivate QZ-2000 in a culture medium containing potato, glucose and agar for 7 days; take a small piece of colony and transfer it to wheat bran-sawdust or wheat bran solid medium Cultivate for 7 days, cut the bacteria into small pieces and lay them flat in a flat container with a thickness of 1cm, place them under black light for 48 hours, air-dry and pulverize them, and then sieve to get spore powder; or inoculate the small pieces of colonies on corn Shake culture in powder-soybean powder-sucrose liquid medium for 6 days, filter out the residual liquid of the medium, rinse with sterile water to obtain mycelium, and obtain a suspension of mycelium fragments after crushing, and put it in a petri dish under light 36h, the spores were obtained;
[0045] (2) Prepare chemical herbicide mother liquor: prepare the mother liquor of the chemical herbicide oxyfluorfen preparation diluted 100 times, take 1ml of the oxyfluorfen preparation and add it to 100ml ...
Embodiment 3
[0048] (1) Conidia culture: Cultivate QZ-2000 in a culture medium containing potato, glucose and agar for 7 days; take a small piece of colony and transfer it to wheat bran-sawdust or wheat bran solid medium Cultivate for 7 days, cut the bacteria into small pieces and lay them flat in a flat container with a thickness of 1cm, place them under black light for 48 hours, air-dry and pulverize them, and then sieve to get spore powder; or inoculate the small pieces of colonies on corn Shake culture in powder-soybean powder-sucrose liquid medium for 6 days, filter out the residual liquid of the medium, rinse with sterile water to obtain mycelium, and obtain a suspension of mycelium fragments after crushing, and put it in a petri dish under light 36h, the spores were obtained;
[0049] (2) Prepare chemical herbicide mother liquor: prepare the mother liquor diluted 100 times of the chemical herbicide butachlor-oxadiazone preparation, take 1ml of oxyfluorfen preparation and add it to 1...
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