Preparation method of plant growth regulator
A plant growth regulator and a technology for growth regulators are applied in the field of preparation of plant growth regulators, which can solve the problems of low content of plant hormones, inability to detect the absorption of nutrients, and large pollution of crops that increase production, and achieve the advantages of small dosage and accelerated production. Photosynthetic speed, good catalytic effect
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[0021] A preparation method of a plant growth regulator, comprising the steps of:
[0022] (1) With 80~120 mesh and 8~12nm coarse porous silica gel as the carrier, add SiO to the coarse porous silica gel at a mass ratio of 20:3:10 2 , SnCl 4 ·5H 2 Mix the O solution evenly, heat and reflux under stirring for 2-3 hours, cool, filter with suction, take the precipitate, dry the precipitate in a vacuum oven at 48-50°C for 4-5 hours, and cool to obtain the catalyst;
[0023] (2) Mix hexanoic acid and N,N-diethylaminoethanol evenly at a mass ratio of 1:2 to obtain a mixed raw material, add toluene and catalyst to the mixed raw material at a mass ratio of 5:2:3, and stir for 2~3 hours , to obtain the reactant, heat the reactant in an oil bath at 150~160°C, stir and reflux for 3~4h, film rotary evaporation, remove the solvent toluene, obtain a mixture of toluene, distill under reduced pressure, collect 53~56°C, 2900~2910Pa Distillate to obtain vacuum distillation product, dry to ob...
example 1
[0027] Strain: Photobacterium luminosa, preserved on a laboratory slant.
[0028] Egg culture medium: in parts by mass, take 50 parts of fresh egg liquid, 13 parts of sodium glutamate, 8 parts of glycerin, 6 parts of malachite green, 1 part of potassium dihydrogen phosphate, 0.02 parts of magnesium sulfate, 0.2 parts of magnesium citrate Parts, 12 parts of potato starch, pH7.0, sterilized at 121°C for 20min.
[0029] Solid culture medium for Photobacter lumina: in parts by mass, take 10 parts of peptone, 15 parts of beef extract, 15 parts of sodium chloride, 20 parts of agar, pH 7.0, and sterilize at 121°C for 20 minutes.
[0030] Bright Bacteria Liquid Medium: Remove the agar in the Bright Bacteria Solid Medium, and keep other components unchanged.
[0031] A preparation method of a plant growth regulator, comprising the steps of:
[0032] (1) With 80 mesh, 8nm pore size coarse-pore silica gel as the carrier, add SiO to the coarse-pore silica gel at a mass ratio of 20:3:10 ...
example 2
[0037] Strain: Photobacterium luminosa, preserved on a laboratory slant.
[0038] Egg culture medium: in parts by mass, take 80 parts of fresh egg liquid, 15 parts of sodium glutamate, 10 parts of glycerin, 8 parts of malachite green, 2 parts of potassium dihydrogen phosphate, 0.05 parts of magnesium sulfate, and 0.7 parts of magnesium citrate Parts, 15 parts of potato starch, pH7.4, sterilized at 121°C for 20min.
[0039] Solid medium of Photobacterium lumina: in parts by mass, 15 parts of peptone, 18 parts of beef extract, 20 parts of sodium chloride, 23 parts of agar, pH 7.4, sterilized at 121°C for 20 minutes.
[0040] Bright Bacteria Liquid Medium: Remove the agar in the Bright Bacteria Solid Medium, and keep other components unchanged.
[0041] A preparation method of a plant growth regulator, comprising the steps of:
[0042] (1) With 120 mesh, 12nm pore size coarse-pore silica gel as the carrier, add SiO to the coarse-pore silica gel at a mass ratio of 20:3:10 2 , S...
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