Q: Yang Rongjiang, Sihong County, came to the phone on March 10: Wheat uses Chlorella for chemical control in spring. When is the medicine used?
A: Chlorothorem is a gibberellin antagonist. Before spring wheat is returned to jointing in the spring, spraying Chlorhexidine on Wangchang wheat can inhibit gibberellin biosynthesis in wheat, control vegetative growth, and promote reproductive growth. Promote the dwarfing wheat seedlings, stout stalks, dark green leaves, well-developed root systems, improve resistance, the amount of wheat is determined according to the extent of prosperous. Application of the drug about one week before the jointing of wheat can effectively shorten the internode length of the wheat, and it is best to control the growth of the wheat. Anyang Quanfeng Biotechnology Co., Ltd. (telephones) 80% of CMC as a soluble powder, registered for wheat growth regulation, recommended application concentration 1.5 ~ 2 g / l; spring wheat seedlings, growing too often usually per acre With the preparation of 50 to 60 grams of water spray 30 kilograms, wheat seedlings are small, growth is not too busy with 25 to 30 grams per mu formulation.
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