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Đoàn Quang Hà, Chu Thị Hảo, Trần Mạnh Hải(2), Nguyễn Tấn Thành(1)

CHẾ TẠO VÀ SỬ DỤNG CHẾ PHẨM SINH HỌC NHŨ TƯƠNG NANO BẠC-DẦU NEEM-POLYHEXAMETHYLENE BIGUANIDE PHÒNG TRỪ NẤM BỆNH TRÊN CÂY QUẤT CẢNH

MANUFACTURE AND APPLY PROBIOTIC NANO-EMULSIONS SILVER-NEEM OIL-POLYHEXAMETHYLENE BIGUANIDE FOR KUMQUAT TREES TO PREVENT DISEASE

Tạp chí Phân tích Hóa, Lý và Sinh học

2023

4

26

Kumquat is one of the popular ornamental plants every Tet holiday in Vietnam and some Asian countries. However, according to the surveys, in order to have beautiful products, the use of chemical plant protection chemicals is unavoidable. Excessive exposure to the above chemicals will affect the health of kumquat producers and consumers. To overcome and minimize the amount of pesticides, this study presented a safe biological nano-emulsions from silver, neem oil, polyhexamethylene biguanide (PHMB) with nanoparticle sizes ranging from 45-96 nm, inhibiting Phytophthora. sp fungi at a concentration of 7.5 ppm on a silver basis in an in vitro laboratory. At the same time, it had the ability to replace 30% of chemical pesticides (Redomil gold 68WG and Toplusa 450SC) and was effective in disease prevention of over 81%. Nanoemulsion applied in organic agricultural production was a new direction to initially help reduce the use of chemicals towards green agricultural production

Kumquat is one of the popular ornamental plants every Tet holiday in Vietnam and some Asian countries. However, according to the surveys, in order to have beautiful products, the use of chemical plant protection chemicals is unavoidable. Excessive exposure to the above chemicals will affect the health of kumquat producers and consumers. To overcome and minimize the amount of pesticides, this study presented a safe biological nano-emulsions from silver, neem oil, polyhexamethylene biguanide (PHMB) with nanoparticle sizes ranging from 45-96 nm, inhibiting Phytophthora. sp fungi at a concentration of 7.5 ppm on a silver basis in an in vitro laboratory. At the same time, it had the ability to replace 30% of chemical pesticides (Redomil gold 68WG and Toplusa 450SC) and was effective in disease prevention of over 81%. Nanoemulsion applied in organic agricultural production was a new direction to initially help reduce the use of chemicals towards green agricultural production

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