Paclobutrazol is a plant growth regulating and controlling agent, which has the effects of delaying plant growth, inhibiting stem elongation, shortening internodes, promoting plant tillering, increasing plant stress resistance and increasing yield. It is an efficient and broad-spectrum plant growth regulator . This product is suitable for rice, wheat, peanut, fruit tree, tobacco, rape, soybean, flower, lawn, etc. (plant), the effect is remarkable. Paclobutrazol is applied to the soil and is not harmful to earthworms and soil microorganisms. After the application of paclobutrazol, its vertical movement is slow, and most of it accumulates in the vicinity of the root line of 5-10 cm from the soil surface. The root system of the plant can be quickly absorbed, so that the root system is developed and the roots are increased. It was determined that it was more than one-quarter to one-third more than the root of the control plant without paclobutrazol. Paclobutrazol is an inhibitor of endogenous gibberellin biosynthesis in plants.
1. The trunk is perforated and buried. Punch holes in the lower trunk of the main branch of the base (one hole under the three main branches, a total of 3 holes). The size, depth and pesticide dosage of the base are determined by the size of the tree, the thickness of the trunk and the age of the tree. Drill a hole with a diameter of 0.6-0.8 cm and a depth of 3 to 5 cm by hand, and adjust 15% of the paclobutrazol powder into a puree with a small amount of water. According to the 3 to 5 years old saplings, 6 to 9 grams, 6 to 10 years old trees 10 The dose of ~15 grams was buried in three holes, and the amount of the three holes was the same as possible, so that the agent was evenly transported to all parts of the tree. The Qiaohua dense planting tree without main branches has three holes uniformly on the circumference of the trunk, and the height from the ground is convenient for operation. After filling the drug, the hole can be closed with yellow mud.
2. Trunk coating method. The oligo-mature tree of adult age scrapes off the old warp on the trunk, and the smooth saplings of the trunk can not be scraped. The width of the coating ring is about 1/3 of the circumference of the trunk, and the paclobutase powder with the concentration of 15% is 200 times. The film is tightly wrapped with a film to maintain a certain humidity of the drug ring, and is easily absorbed and utilized by the tree.
Paclobutrazol can also slightly increase the photosynthesis of plant leaves and reduce plant transpiration. This makes the plant grow compact, robust, and the leaves are dark green, while at the same time enhancing the plant's ability to resist pests and diseases.
Paclobutrazol should be stored in a cool dry place. If the amount is too much, excessive inhibition of crop growth, nitrogen fertilizer or spray gibberellin can be used to save.
The article source from China's pesticide network , please indicate the source!
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