Indole acetic acid is an auxin, which is expensive to sell on the market. Some people buy back such expensive auxin but don't know how to use it. The role of auxin is to promote growth, but many people know that auxin concentration is very high. Important, poorly formulated may lead to inhibition of crop growth, promote growth at low concentrations, inhibit growth at high concentrations, and even kill plants, which is related to the ability to induce ethylene formation. The physiological effects of auxin are manifested at two levels.
How to use indole acetic acid:
1. Soak:
(1) Soaked flowers in the flowering period with 3000 mg / liter of liquid soaked flowers, induced tomato parthenocarpy and fruit set, forming seedless tomato fruit, improve the fruit set rate;
(2) Immersion promotes the rooting of apples, peaches, pears, citrus, grapes, kiwi, strawberry, poinsettia, carnation, chrysanthemum, rose, magnolia, rhododendron, tea, metasequoia, poplar, etc., induces the formation of adventitious roots, accelerates vegetative reproduction The speed is generally 100-1000 mg/L impregnated with the base of the insert, the type that is easy to root is used at a lower concentration, and the type that is not easily rooted is used at a slightly higher concentration. The soaking time is about 8-24 hours, the concentration is high, and the soaking time is short.
2, spraying
Chrysanthemum (with a 9-hour photoperiod) sprayed once with 25-400 mg/L of the drug solution inhibits the appearance of flower buds and delays flowering.
China's pesticide network will be organized here, and will continue to use more methods of using acetic acid.
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