C15H20ClNO3 Paclobutrazol 250 G/l Sc Promote Plant Tillering

Greentree Chemical Co., Limited is one of the leading manufacturers and suppliers of c15h20clno3 paclobutrazol 250 g/l sc promote plant tillering in China. With abundant experience, our factory offer high quality chemicals made in China with competitive price. Welcome to contact us for free sample.

Paclobutrazol can improve the ability of plants to resist adversity and pathogens. It can cause the epidermal cells of plants to swell, causing the stomata to be squeezed and sunken, resulting in increased stomatal resistance, reduced transpiration, and reduced water loss.

1. Spraying paclobutrazol on fruit trees can reduce the extension growth of extension branches, shorten the length of internodes, promote the development of lateral branches and short fruit branches, reduce the number of leaves and increase the thickness of leaves. Paclobutrazol also affects the growth of roots, which is manifested in inhibiting the growth of main roots, increasing the thickness of absorbing roots, and increasing the proportion of lateral roots and absorbing roots in the total number of roots.

2. Paclobutrazol can significantly inhibit the synthesis of gibberellins. Foliar spraying of gibberellins can restore the effect of paclobutrazol on the growth of seedling branches of apple, peach, citrus, and kiwifruit. The experimental results show that the main mechanism of action of paclobutrazol on the nutritional growth of fruit trees is to inhibit the synthesis of endogenous gibberellins.

3. The extension growth of fruit trees treated with paclobutrazol is inhibited, but the lateral branches and short fruit branches increase significantly, which indicates that paclobutrazol not only inhibits the synthesis of endogenous gibberellins, but also may reduce the synthesis of indoleacetic acid IAA.

4. Spraying paclobutrazol can increase the leaf greenness, leaf chlorophyll content and soluble protein content of kiwifruit, apple, peach, hawthorn, etc. Paclobutrazol increased the carbohydrate content of various organs of fruit tree seedlings such as apples and kiwifruit. This indicates that the movement of carbohydrates to the root system has increased. It can be seen that paclobutrazol significantly increased the photosynthesis efficiency of fruit trees and promoted the output of carbohydrates from leaves. The increase in the photosynthesis intensity of fruit trees is manifested in two aspects: A. Paclobutrazol increased the chlorophyll content and increased the photosynthesis efficiency. B. Paclobutrazol reduced vegetative growth, allowing the crown to ventilate and transmit light, thereby indirectly increasing the light intensity.

5. Paclobutrazol increased the concentrations of nitrogen, phosphorus, potassium, calcium, magnesium, manganese, copper, boron and zinc in the leaves of seedlings. The influence of paclobutrazol on the level of mineral nutrition of plants is related to its increase in the activity of ATPase in the roots, as well as its increase in the root/crown ratio, the promotion of the growth of lateral roots and absorbing roots, and the change in transpiration intensity.

The best time to spray paclobutrazol on fruit trees

1. The time to spray paclobutrazol on different types of fruit trees is different. Generally speaking, citrus trees often need to be sprayed with paclobutrazol in summer or autumn, while pears, apples and other fruit trees often need to use paclobutrazol after flowering, and peaches, apricots and other trees should be used before the buds sprout.

2. Therefore, when spraying paclobutrazol on fruit trees, you should judge according to the different varieties of fruit trees. After spraying paclobutrazol, it will generally be absorbed after 3 hours, so if it rains within 3 hours after spraying paclobutrazol, it is best to spray paclobutrazol on the fruit trees again.

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