When the Golden Queen corn variety cultivated in Shenyang area at about 48 ° north latitude is introduced to Jiamusi area at about 4r ° north latitude(32 cell seed starting trays), while the golden tower corn variety cultivated by Jiamusi is moved to Shenyang for planting The period is shortened by more than 10 days. The effect of light on corn growth and development is also related to temperature conditions(15 gallon grow pots), and the temperature and light differences are more obvious.
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Under the conditions of suitable soil moisture, soil temperature has a significant effect on the length of time from sowing to emergence(105 cell seed starting trays). The sunshine hours are different by half an hour, but the temperature difference is about 2C. Therefore, the growth period changes caused by the introduction of the same variety between the two places have little effect on light, mainly due to temperature(custom grow trays). The light in the two places is more than 14 hours in April, and more than 15 hours in May.
(teku plastic nursery pots wholesale suppliers poland)Corn is a short-day crop, and the short-day conditions will accelerate the growth and development of the plant(50 cell seed starting trays). The temperature in spring in northern China rises slowly, the time from sowing to emergence is longer, generally about 15-20 days; the emergence in north China is about 10 days after mid-April(7.48inch plastic plant pots); the temperature in the south is higher, and, the growth period will be extended by more than 10 days, Autumn sowing corn can emerge only around the same day.
Proves that under the same temperature and other conditions, short light can promote the growth and development of corn, and long light can inhibit the growth of the growth period(72 cell seedling trays wholesale). For example, under high temperature conditions, the long light makes corn from sowing to earing days 12.9 days later than short light, while under low temperature conditions, it is delayed 19.8 days(2 gallon pots wholesale). The optimum temperature for corn seed germination is 28 ~ 35 ° C.(teku plastic nursery pots wholesale suppliers poland)
Under low temperature conditions, the inhibitory effect of long light is particularly obvious(105 cell seedling trays wholesale). For example, there is a large difference between north and south latitudes in China, the natural conditions are complex. For example, the summer sunshine in the south is shorter than that in the north and the temperature is higher than that in the north(7.88inch plastic plant pots). The influence of a single factor of light is the result of the combined influence of temperature and light.
(teku plastic nursery pots wholesale suppliers poland)According to the research of the Institute of Genetics, Chinese Academy of Sciences, the early maturing variety Huanong No. 2 developed the fastest after 6 days of short light treatment(128 cell seedling trays wholesale). The late maturing variety, Queen Golden, and within the normal sowing period, requires 10 days of short light treatment to develop fastest(plastic bonsai pots wholesale). Therefore, early maturing varieties are less sensitive to light than late maturing varieties. It is mainly due to the difference in the length of sunshine.
The corn is grown under long light conditions(128 cell plastic propagation tray wholesale price). Therefore, when introducing late-maturing varieties to each other in different regions, attention should be paid to the difference in light and temperature conditions between the two places to avoid loss in production. Introduce each other between the two places where temperature conditions are basically the same, causing changes in the growth period(2.5 inch square plastic pots). In addition, different varieties of corn have different responses to short light.