Indole-3-Acetic Acid IAA

Details Functions How to use Characteristics package

Product Detail

Indoleacetic acid (IAA) is an indole-type broad-spectrum plant growth regulator with auxin activity.The natural auxin commonly found in plants is indoleacetic acid. Indoleacetic acid promotes the formation of top buds of plants such as branches or buds and seedlings.Indoleacetic acid is a plant auxin,Auxin has many physiological effects, which are related to its concentration.
It can promote growth at low concentrations, and inhibit growth at high concentrations. This inhibitory effect is related to whether it can induce the formation of ethylene.
The physiological effects of auxin are manifested at two levels.

At the cellular level, auxin can stimulate the division of cambium cells; stimulate the elongation of branch cells and inhibit the growth of root cells; promote the differentiation of xylem and phloem cells, promote the rooting of cuttings, and regulate the morphological construction of callus tissue.
At the organ and whole plant level, auxin works from seedlings to fruit ripening. Auxin controls the reversible red light inhibition of mesocotyl elongation in seedlings; when indoleacetic acid is transferred to the underside of the branch, it produces geotropism of the branch; when indoleacetic acid is transferred to the backlit side of the branch, it produces phototropism of the branch; indoleacetic acid causes apical dominance; delays leaf senescence; auxin promotes flowering, induces the development of parthenocarpic fruits, and delays fruit ripening

Functions

1. Promote elongation growth: IAA has a significant promoting effect on the elongation growth of vegetative organs such as coleoptiles, hypocotyls, and stem segments.
2. Cause apical dominance: The growing apex has an inhibitory effect on the growth of lateral buds. When the apex is cut off, the lateral buds begin to germinate.
3. Promote the differentiation of organs and tissues: IAA can stimulate the division of root progenitor cells at the base of plant branch segments, causing the occurrence of vascular bundles and promoting rooting.
4. Induce parthenocarpy: Treating the stigma with IAA before pollination can cause the ovary to swell and develop into fruit without pollination.
5. Affecting sex differentiation: IAA has a certain effect on the differentiation of flower organs of melon crops and can promote the differentiation of female flowers.
6. Promote pineapple flowering: Indoleacetic acid can promote the flowering process of pineapples.
7. Prevent organ shedding: IAA can not only delay the aging of abscission layer cells, but also prevent fruits from shedding due to malnutrition or other reasons.

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How to use

In the full bloom stage, soak the flowers with 3000mg/L liquid medicine to form seedless tomato fruit.

Soaking the base of cuttings with 100 ~ 1000mg/L liquid medicine can promote the formation of adventitious roots of tea tree, gum tree, oak tree, Metasequoia glyptostroboides and pepper, and accelerate the vegetative propagation.

The mixture of 1 ~ 10mg/L indoleacetic acid and 10mg/L hymexazol can promote the rapid rooting of rice seedlings and prevent the lodging of machine transplanted seedlings.

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Characteristics

-It has a dual nature for plant growth. Different parts of plants have different sensitivities to it. Generally, roots are more sensitive than buds and stems. Different plants also have different sensitivities to it.
-It is easily decomposed in light and air and is not resistant to storage. It is safe for humans and animals. It is soluble in hot water, ethanol, acetone, ether and ethyl acetate, slightly soluble in water, benzene and chloroform; it is stable in alkaline solutions.
-When using pure products for crystallization, first dissolve it in a small amount of 95% alcohol, and then add water to dissolve it to an appropriate amount.

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Packaging

Main Packing: 1kg aluminum foil bag, 25kg drum, 25kg plastic woven bag or kraft paper bag, 5kg carton, 20L white plastic drum, 200L blue plastic drum