1. The best spraying period: one is the 3 leaf stage, and the second is the time when the moss is extracted. The vegetable moss is extended within 10 cm, and each spray is suitable for the dosage.
2, the best liquid dosage: the concentration of the drug used in the seedling stage is 150ppm, 100% of the paclobutrazol 100g per liter of WP, 100kg of the water; the concentration of the drug used in the moss period is 100ppm, and the WP of the WP is 66.6g. 100 kg of water, using a compression sprayer to evenly spray the ground part.
3, the best spraying time: it is best to spray after 4-5 pm in the sunny afternoon, within 8 hours after spraying, it should be sprayed once in case of rain.
Skillful use of paclobutrazol for winter
Http:// November 2, 2004 08:53 Hubei Provincial Department of Agriculture
Paclobutrazol is a novel plant growth regulator. The main effects in the cultivation of rapeseed are: after spraying the appropriate amount of liquid in the seedling stage, the seedlings can be controlled to lengthen, the seedlings are dwarfed, the pseudo stems are thickened, the growth is increased, the early branches are branched, the leaves are thickened, and the chlorophyll is increased. The branches are reduced, the effect of reducing seedlings after planting is reduced, and the ability to resist cold is strong during wintering. Spraying in the moss stage can prevent lodging, increase angle and increase grain. After large-scale use, the grain yield is increased by 16-20% compared with the non-sprayed mu, and the ratio of income to economic benefit is 1:50. Technical points of use:
1. The best spraying period: one is the 3 leaf stage, and the second is the time when the moss is extracted. The vegetable moss is extended within 10 cm, and each spray is suitable for the dosage.
2, the best liquid dosage: the concentration of the drug used in the seedling stage is 150ppm, 100% of the paclobutrazol 100g per liter of WP, 100kg of the water; the concentration of the drug used in the moss period is 100ppm, and the WP of the WP is 66.6g. 100 kg of water, using a compression sprayer to evenly spray the ground part.
3, the best spraying time: it is best to spray after 4-5 pm in the sunny afternoon, within 8 hours after spraying, it should be sprayed once in case of rain.
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