Chlormequat is an antagonist of gibberellin. In the spring, before the wheat is greening to jointing, the application of chlormequat to the prolonged wheat can inhibit the biosynthesis of gibberellin in wheat, control vegetative growth, promote reproductive growth, and promote wheat seedlings. It is short and strong, the stems are thick, the leaves are dark green, the roots are developed, and the stress resistance is improved. The dosage is reasonably determined according to the degree of wheat growth. When does the wheat play squat? The following article details the time when wheat is used. When does wheat play squat? The best spraying time should be in the early stage of wheat jointing (after winter wheat is returned to green). The earlier the application time is, the dwarfing effect is poor, but the yield increasing effect is good; the later the application time, the more obvious the dwarfing effect, but the more the effect on the yield Large, the later the reduction in production is greater. The jointing stage of wheat means that the hard part can be touched by hand at the base of the wheat. The surface of the base of the wheat leaves the surface of the leaves, starting from the cluster leaves to the erect leaves, instead of the so-called jointing heading period of the farmers. If you use chlormequat to reduce production at this time, it will be very serious. The best period for wheat control is in which growth stage of wheat? To put it simply, the wheat is prosperous before it is used to control the pharmacy. The prosperous wheat generally begins before winter, and the average winter wheat field requires 600,000 to 800,000. In other words: If the winter wheat field exceeds 800,000, it will be prosperous. Wheat in the wheat field is prosperous. Is it better to control the prosthetic agent earlier or later? Wheat control agents are also relatively early to use. It is not too late to increase the amount of pharmaceuticals, increase the cost of farmers' friends, affect the growth of the crops, and the effect is not necessarily good. So prosperous, it will be used before winter. If it is not used before winter, it is recommended to use it immediately in the early spring wheat greening period, and not later than the early stage of wheat jointing. That is, the first section of wheat was pulled out 2 cm before the ground. What kind of medicine is better to control the agent? (The effect is good, the price of the medicine is affordable) It is recommended to use a controlled agent to select a safe and residual small drug: anti-pour ester. However, anti-folate is more expensive than other prophylactic agents. If the effect is good and the price is close to the people, then I suggest to choose paclobutrazol. How does paclobutrazol inhibit wheat growth? Paclobutrazol is used on wheat to control wheat lodging mainly through two pathways. 1. After the use of paclobutrazol, wheat tillers stop, and small tillers will die early, which in turn reduces the wheat field population. 2. After using paclobutrazol, control the elongation between the first and second sections of the wheat base, thicken the wheat stalks, and improve the resistance to lodging. Therefore, the use of a controlled agent after wheat jointing will not be able to resist. Is wheat using squat time? Applying the drug about 1 week before the jointing of wheat can effectively shorten the length of the internode of wheat, and the best effect is to prevent it. 80% chlormequat soluble powder for wheat regulating growth, recommended application concentration is 1.5~2g/L; spring wheat seedlings are large and prosperous, usually 50~60g per acre with 30kg of water, wheat Miao Xiao, the growth is not too prosperous when using 25 to 30 grams per acre. The method of using chlormequat in wheat sowing: 1. Seed dressing with growth retardant, although the emergence of seedlings is delayed for several days, but it can increase the emergence rate; promote the broadening and thickening of the leaves of wheat seedlings, the early occurrence of tillering, the increase of tillering, the growth of secondary roots, the short seedlings, and the green color of leaves. Improve the ability to resist cold and drought. 2, soaking seeds with 60% chlormequat 16-33 times liquid for 6-12 hours, sowing after drying, the root system can be developed, the leaves are dark green, the tiller is increased, the wheat seedlings are strong, and the effect on late sowing wheat is more obvious. Helps improve cold resistance. 3. Soak seeds with 2500-5000mg/L chlormequat solution, or mix with 10g chlormequat per kilogram of wheat seeds, dry and sown, seedlings grow robust, roots grow well, effective tillers increase, stems are thick, base The internodes are shortened and the lodging resistance is improved. If 3000mg/L chlormequat solution is sprayed at the jointing stage of wheat, it can prevent wheat from lodging. More pesticide knowledge , please pay attention to China Pesticide Network
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