After 7 consecutive times of corn varieties, there are many varieties of corn that produce more than 2,000 kilograms per mu, but there are not many corn varieties that can exceed 2,000 kilograms for many years. Today, I will introduce you to a corn variety with an mu yield of more than 2,000 pounds for many consecutive times. This variety is Yufeng 303.
Validation status
Maize 303 is a hybrid maize variety selected and bred by Beijing Lianchuang Seed Industry Co., Ltd., which has passed the national examination and approval of The East China Region for the first time in 2015, and has passed the four national examinations and approvals of the National Huanghuaihai, Northwest and North China Early Maturation Areas, as well as the approval of Anhui, Shaanxi, Hubei and other provinces, becoming the maize variety with the most approval times and the widest range of suitable seeds. What are the outstanding features of this variety?
Key features
1, high resistance to lodging: Yufeng 303 average plant height of 284 ~ 296 cm, panicle height of 105 ~ 113 cm, compact plant type, developed root system, stem tough, in the case of experiencing many strong winds and heavy rainfall, there is no lodging, the ability to resist lodging is very prominent, by the farmer friends image known as "iron maize".
2, panicle thick: Yufeng 303 is a new variety of large ear type corn, fruit panicle tube type, panicle length of 20 ~ 25 cm, the longest up to 30 cm, the number of panicle rows 16 rows, panicle thickness 4.9 ~ 5.1 cm, panicle shaft red, grain yellow, long purslane type, shaft fine grain depth, 100 grain weight 36.9 grams, panicle size is uniform, side row effect is not obvious.
3, stable yield and high yield: Yufeng 303 has good adaptability, strong ability to resist falling, stable yield and high yield, spring sowing generally average yield of 2090.6 jin per mu, the highest yield of 2626 jin per mu, summer sowing generally average mu yield of 1810 jin, the highest mu yield of up to 2283 kg.
4, suitable for direct harvest of grains: Yufeng 303 pole time is long, the grain hardness is high, not easy to break, suitable for direct harvesting of grains, which can greatly reduce the input of labor, which is the development direction of corn breeding.
Suitable planting area
Yufeng 303 can be planted in the main spring-sown corn producing areas of East China and Northwest China, and is also suitable for summer planting in the Huang-Huai-Hai region, and can also be planted in Anhui, Hubei, Shaanxi, Tianjin, Beijing, Inner Mongolia and other provinces, municipalities and autonomous regions, and the suitable range is very wide. The best sowing period for spring sowing is from late April to early May, with 4500 to 5000 seedlings per mu. The best sowing period for summer sowing is in early to mid-June, with 4,500 to 5,000 seedlings per mu.
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