Wang Jianlai, an expert from the Institute of Crop Research of the Provincial Academy of Agricultural Sciences, told reporters that the focus of spring wheat management is to apply jointing fertilizer, and the jointing stage of wheat is a critical period to promote the transformation of seedling conditions.

The jointing stage is a critical period for the polarization of tillers and the development of spikelets and florets in wheat. Topdressing jointing fertilizer is beneficial to increase tiller formation, reduce the degradation of spikelets and florets, increase the number of ears and grains per mu, and strive for large spikes and more grains and improve quality. For wheat fields that have not been topdressed with green fertilizer, take advantage of the rain (moisture) to topdress 7.5 to 10 kg of urea per mu in the middle and late March. For wheat fields that have been topdressed with returning green fertilizer, depending on the seedling conditions, postpone the application of jointing fertilizer from the end of March to early April, with 5 to 7.5 kg of urea topdressing per mu. The total amount of top dressing during the rejuvenation period and the jointing period should not exceed 12.5 kg of urea.

The turning green of wheat to the jointing stage is the critical period for the occurrence and development of diseases such as sheath blight, stripe rust and stem rot. It is necessary to strengthen the monitoring of stripe rust, and control the disease center according to the control strategy of “find one point, prevent one piece”, and spray triadimefon, propiconazole and tebuconazole in time to reduce the source of early spring bacteria and reduce or postpone Epidemic period. For fields with severe occurrence of wheat sharp blight and stalk rot, when the diseased plant rate reaches 10%, choose to use diniconazole, tebuconazole, propiconazole, epoxiconazole, prochloraz and other agents For spraying control, it is necessary to use a sufficient amount of liquid to spray evenly on the base of the stem of the wheat plant.

Wheat growers should pay close attention to the weather situation, prevent low temperature and cold damage in spring (falling spring cold), wind and hail lodging, dry and hot wind, ear sprouting and other disasters, and strive to reduce disaster losses.

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