Bt wettable powder containing layered double hydroxide and preparation method of Bt wettable powder

The invention relates to Bt wettable powder containing layered double hydroxide and a preparation method of the Bt wettable powder. The preparation method comprises the steps of preparing a seed solution, preparing a Bt fermentation liquor, preparing a spore and crystal mixture and preparing the Bt...

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Bibliographische Detailangaben
Hauptverfasser:	ZHENG YILIN, RAO WENHUA, CAO XI, CHEN SAILI, HUANG TENGZHOU, PAN XIAOHONG, XU ZHANGYAN, GUAN XIONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY BEER BIOCHEMISTRY BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA ENZYMOLOGY FISHING FORESTRY HUMAN NECESSITIES HUNTING METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING PEST REPELLANTS OR ATTRACTANTS PLANT GROWTH REGULATORS PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF PROCESSES USING MICROORGANISMS PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPIRITS TRAPPING VINEGAR WINE
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Beschreibung
Zusammenfassung:	The invention relates to Bt wettable powder containing layered double hydroxide and a preparation method of the Bt wettable powder. The preparation method comprises the steps of preparing a seed solution, preparing a Bt fermentation liquor, preparing a spore and crystal mixture and preparing the Bt wettable powder containing layered double hydroxide. Layered double hydroxide is taken as a carrier, so that high adsorption capability is achieved, Bt effective ingredients can be effectively protected, very high bioactivity can be still maintained after strong ultraviolet irradiation for 4 h, and accordingly, the Bt wettable powder containing layered double hydroxide has the fatality rate three times higher than that of Bt wettable powder not containing layered double hydroxide. Various additives are further added to make up for the defects of the current Bt powder. The Bt wettable powder provided by the invention has very good insecticidal activity, and has the bioactivity improved by ten times compared with pow