Interlaced maize in summer sowing is a simple and easy method of pollinating female tassels using pollen from adjacent rows or surrounding tassels when tassels have barely emerged from the top leaves of the corn. Increase production measures. Generally, the emasculated land can increase production by 8%-10% compared to the land that is not emasculating.

1, reduce nutrient consumption, early flowering and maturation. Corn is a cross-pollination crop, relying on wind pollination, 95% of its pollination rate from different strains. In other words, the corn ear can be fully fertilized without relying on the pollen of the tassel. The concentrated supply of nutrients after detasseling of the corn can promote the development of the ear, advance the filaments 2-3 days in advance, and increase the pollination time of the female filaments, so that the seeds of the ears are full, the weight of the seeds increases, and the yield increases. That is to achieve early flowering, early pollination, early maturation, increased grain weight gain.

2, ventilation and light, improve the utilization of light energy. After detasseling, the tassels on the leaves were reduced, the coverage of the leaves by the pollen was reduced, and the light transmission conditions of the upper leaves were greatly improved. It was determined that the light intensity of the top leaf increased by an average of 27.2% after castration, the average light intensity of the middle leaf increased by 21.4%, and the light intensity of the lower leaf increased by an average of 15.9%. The increase in the light intensity of the corn plant leaves not only increased the light energy rate, enhanced the photosynthetic function, but also produced more photosynthetic products, provided grain filling, reduced empty stalk, bald tip, increased grain weight and increased yield.

3, reduce various pests, help increase production and income. Practice has shown that when emasculation occurs in maize, it coincides with the occurrence of concentrated overlapping of corn borer and ear blast. Because corn borers are mostly harmful to young leaves, people must resolutely pull out the ears of corn borers and ear blasts when they are emasculating them. This will achieve both detasseling and pest control, and will increase production and income. . According to the survey, the occurrence of land masses after detasseling will be reduced by 1/3.

4. Reduce plant height and prevent lodging. High corn plants can cause lodging and late ripening, affecting corn yield. Maize cannibalism can reduce plant height 30-40 cm, forming a number of wind channels in the field, improving the ventilation conditions of the upper leaves. In addition, as the plant type was changed, the plant height and ear position were significantly reduced, and the center of gravity of the corn was shifted downward, thereby improving the lodging resistance of the corn.

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