Dormancy is an adaptive response of plant physiology to external conditions. At the end of the fall, the temperature in the early winter continued to drop, and the sunshine became shorter and the strawberries gradually stopped growing and went to sleep. However, some physiological activities are still performed. The external appearance is shortening between the nodes, the plants are short, the petioles gradually parallel to the ground, and the stolons are not regenerated. Strawberry dormancy is affected by the length of sunshine and temperature. Plants enter dormancy only at low temperature and in short-day conditions. By the second spring, the outside temperature gradually rises, the length of sunshine increases, and the strawberry plants begin to grow again.
Different species have different lengths of dormancy. After some strawberries have gone into dormancy after flower bud differentiation, they use greenhouse heat preservation, gibberellin supplementation, and artificially prolonged light to make them not dormant and continue to grow. Some strawberries enter the greenhouse after management, the temperature is low, enter the shallow dormant state, the plants are short and the internodes are shortened. Generally, Gibberellin can break the dormancy, Gibberellin can prevent the plants from entering dormancy, and promote the elongation and growth of peduncle and petioles. Big leaf area. Because the effect of gibberellic acid can be fully exerted under higher temperature conditions, the temperature in the greenhouse after spraying is controlled at 25-30°C, for 4-5 hours, the gibberellic acid dosage must be strictly controlled, and the amount should not be too large, otherwise It will cause leggy and reduce the rate of fruit set.
Vitamin A in fresh corn also has a certain auxiliary effect on the prevention and treatment of common dry eye, bronchitis, dry skin and nerve paralysis. Fresh corn is rich in lysine (very little in dry corn), which is an essential nutrient for the human body. Studies have found that eating more fresh corn can also inhibit the side effects of anticancer drugs on the human body. The cellulose in fresh corn is more and longer, and its amount is 6 to 8 times that of polished rice and flour. Fiber can make the stool smooth, so eating corn often can prevent constipation and hemorrhoids, and can also reduce the occurrence of gastrointestinal diseases. At the same time, it is also beneficial for preventing rectal cancer, arteriosclerosis, and lowering cholesterol. In addition, fresh corn is a bit hard and needs to be chewed hard when eating, which can exercise the teeth and promote saliva production and strong gums.
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