1. Undernutrition. There is a lot of nutrient requirement during the ear ear differentiation stage, and if the nutrient supply is insufficient, it will cause sputum or lack of grains in the panicle. 2. The temperature should not be. The temperature before and after heading was higher than 32 °C, which led to the wrong phase of flowering in the female and male spikes, which affected pollination and caused uneven grains. The temperature at the later stage of grouting maturation is lower than 16°C, which affects the accumulation of dry matter and causes pods. 3. Moisture imbalance. Drought and no rain before and after tasseling will lead to flowering of stamens and forward and postponed extension of the juvenile silking stage. During cloudy and rainy weather, tassels will not bloom normally. Some pollen will swell and break or bind into groups and lose vitality, affecting normal pollination and fertilization. get on. 4. The density is too high. Excessive planting density results in poor overall quality, poor ventilation and light transmission in the field, low photosynthesis, low accumulation of organic matter, impaired individual development, and impaired spike differentiation, resulting in the occurrence of deficiencies. 5. Pest and harm. There are many kinds of pests in the corn and they are seriously affected. For example, the flowering stage is often affected by corn borers, aphids, armyworms, leaf spot diseases, and smut, leading to premature failure of functional leaves, invasion of pests and diseases, and insufficient or impeded supply of nutrients. Cause empty grains, serious formation of empty ears. 6. The seeding quality is poor. Seed quality is poor, sowing too early, too deep or inconsistent cover soil, the formation of the size of seedlings, seedlings often appear empty ear phenomenon. In addition, there is no wind or continuous strong wind during flowering, and the serious bulging of the variety itself is also the cause of grain defect. Early harvesting can also increase the number of pods. Qinghai Chaidamu Black Wolfberry Qinghai Chaidamu Black Wolfberry,Superfruit Qinghai Black Wolfberry,Natural Qinghai Black Wolfberry,Wholesale Qinghai Black Wolfberry NINGXIA STARLIGHT FOOD TRADE CO.,LTD , https://www.starlightfood.com
The corn has been harvested this fall, but some farmers have discovered that corn ears suffer from grain deficiencies and seed pods, resulting in the absence of grain on one side of the ear from the base to the top, and bending of the panicle to the grain side; or no grain at the top. Baldness, no tails and even a few spikes, scattered distribution, and severe formation of empty ears have greatly affected the production potential of corn. The main reasons for producing missing seeds and seeds are: