The role and usage of Paclobutrazol

发表于:2026-11-3 10:04:35|本帖共 2,679 字 4403
       Planting rice, wheat, peanuts, fruit trees, tobacco, rapeseed, soybean and other crops can be used to paclobutrazol. The role and use method of paclobutrazol are listed below for your reference.
  Paclobutrazol is a triazole plant growth regulator. It is a inhibitor synthesized by gibberellic. It is mainly to inhibit the bio-synthesis of gibberellic in the plant, slow down the growth rate of plant , Promote the division of plants, promote the differentiation of plant flower buds, increase the resistance of plant resistance, and improve the effectiveness of yield.


  1. The method of using paclobutrazol in rice:
  During the one-leaf of rice seedlings, a paclobutrazol aquatic solution with a concentration of 0.0003%per acre is uniformly sprayed with rice seedlings to effectively control the height of the seedlings and cte a large amount of rice seedlings.
  After the rice is inserted in rice, in the divergence period of the rice ears, a 10% paclobutrazol wettable powder per mu is 180g/per mu. The spray of 50~60L of water can inhibit the extension of the stems of the rice stems, which makes it short and shorter. In order to prevent falling over-the-money to promote production.
  2. The method of using paclobutrazol with soybeans:
  For soybeans that are growing, the concentration of paclobutrazol solution with a concentration of 0.0002%can be sprayed at the beginning of the soybean. It can effectively regulate the soybean plant type, prevent crazy growth and inverted, and reduce the loss of nutrients to promote branches and production.


  3. The method of using paclobutrazol for rapeseed:
  Generally, the rapeseed seedlings are used as long as the three-leaf one-hearted period. The concentration of 40 ~ 50 kg per acre is uniformly sprayed with a paclobutrazol solution with a concentration of 0.00015%. The survival rate has a certain non-freezing effect at the same time.
  4. The method of using paclobutrazol:
  The fruit tree is used to coat the trunk method, and the 10% paclobutrazol powder can be coated with 150 to 300 times liquid.
  The leaf surface spraying method is used, and the 15% wettable powder 75-150 times the liquid leaf surface spray is used for young trees to dwarf the crown, compact, and bloom early; for adult trees, it can inhibit the growth of new shoots, increase the increase of new shoots, increase increase Production, improve quality.
  1. Because paclobutrazol is long -residual in the soil, after using excessive paclobutrazol in some field crops or vegetable fields, it often affects the growth of the post -stubble crops. Therefore, pay attention to the choice of post -stubble crops when used.
  2. In general, the use of paclobutrazol will not cause drug harm to the crop, but when the crop is excessive when the amount is too much, it can be rescued by adding application of nitrogen fertilizer or spraying gobotin.


  3. Paclobutrazol peanuts are used at most once, and the safe interval is 60 days. Rice uses a maximum paclobutrazol once.
  Zhengzhou Delong Chemical CO., Ltd. is the production base of plant growth regulators in China, which established in 2009, specializing in offering plant protection products. If you have any question, contact us any time.

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