C19H22O6 Pgr Gibberellic Acid/Ga3 20% Tablets for Promote Plant Growth

Greentree Chemical Co., Limited is one of the leading manufacturers and suppliers of c19h22o6 pgr gibberellic acid/ga3 20% tablets for promote plant growth in China. With abundant experience, our factory offer high quality chemicals made in China with competitive price. Welcome to contact us for free sample.

Gibberellic acid has a significant yield-increasing effect on rice, cotton, vegetables, fruits and green manure. At the same time, it can increase the yield of grain and oil crops such as wheat and rapeseed.

1. Promote stem elongation and growth

Gibberellic acid can promote cell elongation and has significant physiological effects on promoting plant growth. It promotes growth with the following characteristics:

① Promote the growth of the entire plant. Gibberellic acid can promote the accelerated growth of dwarf varieties of certain plants and reach the height of normal plants in form. The effect is especially obvious on dwarf mutant varieties. The reason why GA promotes the elongation of dwarf plants is that the biosynthesis of endogenous GA in dwarf species is blocked, resulting in lower GA content in the body than in normal species. Many experiments have shown that gibberellic acid has no obvious effect on the elongation growth of isolated organs, which is different from auxin.

②GA generally promotes the elongation of internode rather than the increase of node number.

③The growth-promoting effect of GA does not have the inhibitory effect of super-optimal concentration. Even if the concentration is very high, it can still show a promoting effect on dwarf corn. This is significantly different from the situation where auxin has an optimal concentration to promote plant growth.

2. Induce flowering

The differentiation of flower buds of some higher plants is affected by temperature and day length. For example, applying GA to these non-vernalized crops can induce flowering without low-temperature treatment, and the effect is obvious. For biennial crops, they need a certain number of days of low-temperature treatment to bloom, otherwise they cannot bolt and bloom. GA can also induce the flowering of some long-day plants instead of long-day, but GA has no promoting effect on the flower bud differentiation of short-day plants. For plants whose flower buds have already differentiated, GA has a significant promoting effect on the flower opening. For example, GA can promote the flowering of stevia, iron tree, and Cupressaceae and Taxaceae plants and also has certain effects.

3. Promote germination

Treating newly harvested dormant potato tubers with 0.5-1.0 mg/l gibberellic acid can promote germination and allow for second-season cultivation within one year. For seeds that require light and low temperature to germinate, such as lettuce, tobacco, perilla, plum and apple seeds, GA can replace light and low temperature to break dormancy because GA can induce it. The synthesis of amylase, protease and other hydrolases catalyzes the degradation of stored substances in seeds to provide for the growth and development of the embryo. In the beer manufacturing industry, germination but not germination of barley seeds can be induced by treating them with GA. The production of amylase accelerates the saccharification process during brewing and reduces the respiratory consumption of sprouts, thereby reducing costs.

4. Promote male flower differentiation

Treating dioecious plants with GA will increase the proportion of male flowers; treating female plants of dioecious plants with GA will also produce male flowers. The effect of GA in this regard is opposite to that of auxin and ethylene.

5. Other physiological effects

The mobilization effect of GA on nutrients can promote fruit setting, parthenocarpy and delay leaf senescence in some plants. GA can also promote cell division and differentiation. GA promotes cell division because it shortens the G phase and S phase. However, GA inhibits the formation of adventitious roots, which is different from auxin.

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