How is the corn growing girl of Gramineae crop? Do you want to break it? What will be the effect if you don't break it off?

During the period of corn growth, corn will appear the phenomenon of tillering, that is, the so-called long girl, although it does not affect the appearance, but will affect the corn yield, then how is the corn growing girl going on? Do you want to break it?

It is very normal to grow corn and grow a girl. Corn belongs to Gramineae crops. In fact, it is the tiller of corn, which is the same as that of rice. It is just that when people cultivate corn seeds, the characteristics of growing girls of corn are removed as far as possible. But the unique genetic characteristics of this plant can not be eradicated, so some corn plants grow girls and some do not grow girls. There are many reasons for corn to grow up, and there are several reasons:

The main results are as follows: 1. The reason for the variety is that some varieties have strong tillering characteristics, and some varieties have low tillering rate, so they are different in cultivation, some are long and some are not.

2. For the reason of temperature, if the temperature is too low after sowing, the main stem will grow slowly and easily lead to tillering.

3. Higher fertility is prone to tillering, and there is still surplus after supplying nutrients to the growth of the main stem, which creates material conditions for the occurrence of tillering.

4. if the planting density is too sparse, it is easy to produce tillering. because of the sparse plant distribution, the nutrient area of a single plant is large and the growth space is wide, which is beneficial to the formation of tillers.

Should the corn girl be broken after all?

At present, there are two views:

1, should not break off, the reason is that the photosynthate of Yazi can return to the main stem to provide nutrition to the ear of the main stem. With regard to this point of view, the editor thinks that it is not very realistic, because when the plant is in the big trumpet mouth period, the field is seriously sheltered, the so-called girl can not see the sun at all, the photosynthesis should be very weak, and the photosynthate produced is good enough for its own consumption. It is said that it is difficult to provide nutrition for the main stem.

2. It should be broken off, and it is considered that the tiller will compete with the main stem for nutrition, affect the growth and development of the main stem, and reduce the yield. The editor thinks that there is a certain truth in this point of view. From the seedling stage to the small trumpet stage, the tillers that occur should be suspected of competing for nutrition with the main stem. If there is a great difference in the height between the main stem and the tiller, it will not have any effect, or even can be ignored.

The advantages of the corn girl are as follows:

1. Increase the overall leaf area of maize.

The results showed that the leaf area of the experimental maize without tillering was 35610-46510 square meters per hectare, while the leaf area per hectare without tillering was only 24690 square meters. The former is much larger than the latter, which lays a good foundation for corn to produce more dry matter.

2. The root coefficient is increased. The results of the determination of roots showed that the average number of roots per plant was 56, while that of decapitated plants was 29, with an average increase of 27.6, that is, an increase of 95%.

3. The evaporation of soil moisture is reduced. The soil water content of Liuyi is 14.49% higher than that of 10 cm above the earth's surface, and the formation of a larger leaf canopy reduces the evaporation of soil moisture and plays a role in maintaining soil moisture. It can be seen that in this case, leaf transpiration plays a more important role than surface evaporation, so it can maintain soil moisture and resist drought.

4. Cut off the top advantage. All the main stems of corn with more girls are short and stout in shape, and the more girls are, the less likely the main stem is to grow. The plant is short and fat is the sign of high yield!

5. The reflux of reproductive elements. Yazi will gradually wither and die after heading, and the water, photosynthate and reproductive elements will flow back to the main stem and finally provide nutrients for corn ripening.