Chlormequat, also known as "CCC", is commercially available as a 50% chlorhexidine aqueous solution and is a gibberellin antagonist. Through the leaves, young shoots, buds, roots and seeds into the plant body, inhibiting the biosynthesis of gibberellin in plants, controlling plant length, promoting reproductive growth, so that plants internode shortening, grow thick, well-developed root system, lodging resistance, The color of the leaves is deepened, the leaves are thickened, the chlorophyll content is increased, the photosynthesis is enhanced, the resistance of the crop is improved, the quality is improved, and the yield is increased.
One, tomato
Generally, from 3-4 leaves to 1 week before colonization, 50% of chlormequat was used to spray chlormequat solution diluted 200-2500 times with 2000-2500 times of water. The seedlings are small and have a slight degree of appetite, and can be sprayed evenly with a sprayer so that the surfaces of the leaves and culms of the seedlings are completely and evenly covered with fine droplets without flowing. When the seedlings are large and their length is too heavy, they can be used. Watering cans for spraying or pouring, with 1 kg of diluted solution per square meter, pay attention to uniform medication, to prevent excessive local, resulting in phytotoxicity.
Second, pepper
For pepper plants with an impossibly long tendency, they can be sprayed at the early flowering stage, with a concentration of 20-25 mg/kg of chlormequat, which inhibits the growth of stems and leaves, makes the plants dwarf and stout, leaves dark green color, and enhances the ability to resist cold and drought. . At the flowering stage, spraying with 100-125 mg/kg of Chlormequat can promote early maturing and increase seed production.
Third, eggplant
Flowering with 100-125 mg/kg of Chlorella liquid can promote early maturation and increase production.
Fourth, summer lettuce
Summer Lettuce seedling spray 1-2 times the concentration of 500 mg / kg Chilling liquid, can effectively prevent seedlings grow; rosette period began to spray chlormequat, but also can prevent leggy, promote young stem enlargement, use 7 - 10 times a day, a total of 2-3 times, the use of a concentration of 350 mg / kg.
Formulation method: Commercially available 50% water solution 10ml/bottle, each bottle of water 10kg, that is 500mg/kg, if water 15kg is 350mg/kg.
V. Potato
The bud and early flowering period were sprayed twice with 40% cyanobacteria. The concentration of 0.2% can significantly increase the number of large potatoes, the plants become short, and the commercial quality increases. The effect of increasing the production value is significant.
Six other vegetables
For carrots, cabbage, celery, can inhibit convulsions, can be sprayed before convulsions, the concentration of 4000-8000 mg / kg.
Chlorhexene use effect is related to temperature, 18-25°C is the most suitable drug temperature, so it should be applied early, late or cloudy. Ventilation is forbidden after application. The cold bed needs to be covered with window frames, plastic greenhouses must be buckled Shed or closed doors and windows in order to increase the air temperature and promote the absorption of liquid medicine. Do not water within 1 day after application so as not to reduce the efficacy. Noon application, due to strong sunlight, high temperatures, rapid evaporation of water, liquid medicine too late to absorb, easy to produce phytotoxicity, it is not available drugs. If the seedlings do not appear to be leggy, it is best not to use chlorella, even if it is long and not more than 2 times.
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