Causes and Control methods of early panicle in Rice

The phenomenon of early heading of rice will occur when planting rice. The so-called early heading of rice means that the young spike of rice main stem begins to differentiate or form during the period of seedling field, and the phenomenon of early heading occurs after transplanting. This leads to a significant decrease in the plant type and panicle size of rice, resulting in a sharp decrease in yield, so what is the reason for this phenomenon? How to prevent and cure it? Let's take a look at the detailed introduction of the pro-agricultural network.

1. the quality of seedlings is poor.

When sowing, the number is too large, resulting in too dense seedling emergence, coupled with improper management, resulting in thin seedling growth, continuous shortening of the growth cycle, leading to the phenomenon of early panicle. In addition, if the sowing is too dense, the seedling growth will be crowded, resulting in weak seedling growth, but after transplanting, the slow seedling stage will be long, the tiller will be delayed, and the phenomenon of early panicle will appear.

Control methods: strictly control the amount of sowing, pay attention to the growth density of seedlings, if the growth is too dense and time seedlings, in addition, cultivate strong seedlings to improve the overall quality of seedlings. Prevent the occurrence of early panicle.

2. The transplanting seedling age is old.

The elasticity of seedling age of general rice varieties is small, but if the transplanting seedling age is too large and the accumulated temperature required by this variety is met, young panicle differentiation will begin in advance and the phenomenon of early panicle will be formed. Therefore, the transplanting seedling age of rice is closely related to the early heading phenomenon, the seedling age is appropriate, the rooting ability of the seedling is strong, and the plant will grow vigorously; but if the seedling is long, its rooting ability is weak, its growth is weak, and improper management leads to slow survival after transplantation. it will lead to quick heading.

Control methods: to improve the quality of seedlings, transplanting should not exceed the time of seedling age, if it exceeds the best time of planting seedlings, heavy fertilization can be applied in the rice field to coordinate the vegetative growth of rice and reduce the occurrence of early panicle.

3. Climatic reasons

During the period of raising seedlings, if there is a continuous long-term high temperature and drought weather, in the environment of sufficient sunshine, the growth of rice will be very fast and enter the reproductive stage in advance, and if it is not transplanted in time, the phenomenon of early panicle will appear due to the large age of transplanting seedlings. In addition, the reason for rice heading is that after reaching the accumulated heat needed for its growth, it will begin to heading, so in the period of high temperature and sufficient light, it is very easy to appear early heading.

Prevention and control methods: pay attention to seasonal climate changes, in case of continuous high temperature and drought period, find a way to lower the temperature, watering to increase soil moisture, or transplanting in advance.

4. Improper fertilization management.

Poor seedling quality and poor seedling quality, coupled with improper fertilizer and water management, will also lead to the phenomenon of early panicle of rice, for example, the application of nitrogen fertilizer is too late or insufficient, resulting in weak plant growth and inhibition of plant growth. so that the main stem enters the reproductive growth ahead of time and early panicle occurs.

Control methods: fertilization must be applied according to the growth status of soil and rice, must be fully applied, early application, but also pay attention to the rational application of nitrogen, phosphorus and potassium fertilizer.

The above are the reasons and control methods of rice early panicle brought by pro-agricultural network. This is the end of the introduction of rice early panicle. I hope I can help you. If you want to know more, please pay attention to pro-agricultural network.