Cultivation techniques of High Oil Corn

1. Characteristics and nutritional value of high-oil corn the outstanding characteristic of high-oil corn is that the grain oil content is high, which is more than 5% higher than the average oil content of ordinary corn. High-oil corn generally has higher protein, lysine and tryptophan. In addition, the life support An and vitamin E of high-oil corn are also higher than those of ordinary corn. 2. Breeding of high-oil corn in recent years, the breeding of domestic high-oil corn has entered a new stage of independent development, and a series of hybrid varieties with disease resistance and lodging resistance have been bred. 3. Commercial high-oil corn was produced by mixed cropping of common hybrids and high-oil corn, using high-oil corn as male parent and pollinating common corn, commercial high-oil corn could be obtained by pollen direct effect. The use of high-oil pollen to produce high-oil corn can not increase the oil content of ordinary corn kernels, and dry grains can not only increase the oil content of ordinary corn grains, but also avoid self-pollination, so as to increase grain weight and yield and make use of the characteristics of male sterility. Avoid the link of castration. When using common hybrids to produce high-oil corn, it is necessary to grasp several key points: (1) the florescence of common hybrids is the same as that of high-oil hybrids. If there is a great difference in flowering period, it should be sowed in the wrong time or other methods to make them similar. In order to ensure that ordinary hybrids can encounter pollen when the filaments are alive. (2) the proportion of common hybrids and high-oil hybrids is suitable, when the pollen ratio of high-oil hybrids is large, the proportion can be increased appropriately, otherwise it should be small to ensure sufficient pollen. (3) when using male fertile common corn hybrids to produce high oil corn, the male should be emasculated in time to ensure that the high oil pollen crosses with it. (4) when using male sterile common corn, if its florescence is the same as that of high oil corn, intercropping can be adopted when there is no need for wrong sowing, that is, common corn and high oil corn can be sown in different rows according to the predetermined proportion, or they can also be mixed to sow the two kinds of seeds together, and the mixed planting makes the two kinds of plants distribute more evenly in the field, so the pollination is better. However, when the florescence of sterile common corn is different from that of high oil corn, it is necessary to adjust the flowering period or to use fertile common corn to castrate. Intercropping is better to facilitate field operation.