In order to do corn seed Feng Feng apology. Or because of the backlog of seeds, corn seeds need to be stored for another year. The fundamental purpose of seed storage is to maintain high seed vigor, or to protect seeds from good seeding quality. To this end, it is necessary to store corn seeds well, not only through the processing of seeds, to achieve a stable state of suitable storage, but also to create good storage conditions to ensure the safety of seeds through the summer. 1. Before the seed is fully stored in the warehouse, it must be cleaned and dried before it is put into the warehouse. The water content should be reduced to below 14% before it can be stored. The drying time is the warmer spring temperatures in late April to mid-May. When the seeds are in storage, the temperature of the seed itself cannot be too high, and the temperature must be lowered below the temperature of the warehouse. Seeds that dry on the same day, if the temperature is higher, the seed temperature is bound to be higher. Otherwise, it is very easy to cause local fever in the seeds and cause mildew in the seeds. II. Management after seed storage The basic task of corn seed storage and management is to accurately control the seed changes caused by changes in the temperature and humidity within the library through frequent seed quality testing, and to take measures to prevent the occurrence of mildew at the seed if necessary. 1. Temperature and Humidity Control During seed storage, the temperature and humidity of the seed are affected by the temperature and humidity of the warehouse, and the temperature and humidity of the warehouse are affected by changes in the weather conditions. Therefore, during the storage of seeds during the summer season, clear weather should be selected from 8 to 10 am, and from 16 to 18 pm, windows and doors should be opened for ventilation to create low-temperature, dry storage conditions for the seeds. In the rainy season, the air humidity is high. Do not open the warehouse windows and doors, so as not to increase the humidity of the warehouse, increase the moisture content of the seeds, and cause mildew. 2. Water, bud rate detection After entering the summer, it is necessary to test the moisture and the bud rate of the seed once a month, and to increase the number of detections for the seeds that have abnormal performance. 3. Pest Control (1) Fumigation: After the seeds are put into storage, two fumigations are usually required. The general seed company's warehouse storage conditions, temperature 20 °C -25 °C, fumigation 2-3 days, 15 °C or so, fumigation 3-4 days, especially for the moisture content of more than 14% of the seeds, the fumigation time can not be too long. (2) Anti-maize hoeing: summer is the period with the strongest fertility of wheat aphids. If the control is not timely, the occurrence of hazards will lead to a decline in the seed germination rate, affecting the quality of the seeds. The prevention and control measures are: before the spring seeds are put into storage, the seed bank is disinfected with 0.1%-0.2% dichlorvos solution; in the early June, at the initial stage of the wheat moth, 0.1%-0.2% dichlorvos solution is sprayed once more. In the early July to early August, the moths are at their peak and fumigated with 80% dichlorvos. China Agricultural Network Editor
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