Rice germination is easy to reduce production, how to prevent it effectively? Mastering 5 measures is critical!
Rice is cultivated in various regions of China. In the process of planting, if it encounters high temperature and rainy weather, it is easy to induce germination on the grain spikes. Once the ear germination occurs, the rice yield is seriously affected and the income is affected. Then let's take a look at the effects of rice germination and preventive measures, so that you can learn about rice in the future.
First, the situation of rice ear germination
From the observation of rice planting in the past, it is known that the germination of the lodgings is more than that of the non-falling. The loss of japonica rice is heavier than that of japonica rice. The late-maturing varieties will be heavier than the early-maturing varieties. Once the ear germination occurs, it will cause great losses.
Second, the factors affecting the ear germination
Spike germination is mainly affected by the weather environment and genes, such as the temperature and humidity of the field environment, the harvest time after maturity is delayed or rainy, and the dormancy characteristics of rice varieties. From the grain filling stage of rice, the higher the seed maturity, the weaker the dormancy, the stronger the germination ability, and the more dormant varieties have certain resistance to ear germination.
Third, rice germination caused by the cause of reduced production
1. Affecting rice yield and quality, resulting in a 10% reduction in production, a 5% drop in rice prices, or a non-standard quality.
2, increase the lodging area, especially the japonica rice large spike varieties, in the continuous rainy weather is easy to cause top-heavy, lodging.
3, if the rain is more and the humidity is high, it is easy to cause the disease of the ear and neck, resulting in a second reduction in production.
4. Mechanical harvesting will cause great losses, and manual harvesting costs are higher.
Fourth, measures to prevent rice ear germination
1. It is necessary to select rice varieties suitable for local cultivation, high yield, strong resistance to lodging, strong rice quality and strong dormancy period.
2. Reasonably arrange the rice planting period and the heading and flowering period, try to avoid the rainy season, the flowering and the rice maturity, and reduce the occurrence of ear germination.
3. Appropriate amount of nitrogen fertilizer, application of phosphorus and potassium fertilizer and silicon-zinc fertilizer, and application of organic fertilizer, etc., to promote the stout of rice stems, improve the resistance of rice to disease and stress, avoid premature aging of rice and late maturity, especially prohibit the late application of nitrogen fertilizer Lead to rice greed.
4, pay attention to shallow moisture, moderate mid-term drying. Inch water heading and moist grouting, mature. When the ear germination occurs, the rainy days should promptly eliminate the water in the field.
5. If the rice is in a cloudy or rainy day, it is necessary to do a field survey. Once the germinated field on the ear is found, it can be harvested in sunny days when 85% of the grain is ripe. The harvested rice is dried in time to reduce germination.
The above is the introduction of rice ear germination. This phenomenon is a major factor in the reduction of rice production. Therefore, we must master the preventive measures to obtain the high yield of rice.
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