Add：Economic Development Zone, Boxing County, Shandong Province（256500）
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1.Deep sea snow crab is selected as raw material for production, and the product is clear and shiny;
2.Produced with patented enzymatic technology, with controllable molecular weight and high immune induced resistance activity;
3.Outstanding control effect on crop virus and bacterial diseases;
4.The second-generation chitosan oligosaccharide has good compounding performance with pesticides and fertilizers, without flocculation.
Test location: Shandong Bohua Vegetable Base
Usage and dosage: 500 times dilution of 2% chitosan oligosaccharide solution, spray twice in 5 days.
Test conclusions: The chitosan oligosaccharide has a significant inhibiting effect on the spread of zucchini virus disease, which is manifested by a reduction in the shrinkage of new leaves and a decrease in the proportion of yellow-green leaves.
Test location: Daotian Town, Shouguang City
Usage and dosage: After the onset, apply 3% chitosan oligosaccharide at 1000 mL/mu·times, three times in succession.
The tomatoes processed with chitosan oligosaccharide usually bear one more fruit (mostly four more fruits) than the control group, and the fruit size is uniform and there're more large fruits; after the tomato is infected, apply chitosan oligosaccharide, the plant can continue to grow and can bear fruit successfully, while control group plant growth is inhibited.
Apply three times, the total sugar, sugar-acid ratio, vitamin C, Zn, and Fe in the tomato of the experimental group are increased by 13.0%, 24.4%, 17.9%, 40.4%, and 35.6% respectively, compared with the control group.
The tomato yield of the experimental group is increased by 16.1%.
Some pictures are from the Internet, and the copyright belongs to the original author.