Zheng Mai 004
Variety source
Zhengmai 004 is a new variety with high yield, stable yield, cold tolerance and strong disease resistance. it is cultivated by Wheat Research Institute of Henan Academy of Agricultural Sciences and has been protected by national new plant varieties.
Characteristic characteristic
Zhengmai 004 is a mid-early maturing variety of semi-winter multi-spike type, with semi-creeping seedlings, strong tillering ability, compact plant type, good stem elasticity, lodging resistance, cold resistance, dry and hot wind resistance and disease resistance. The flag leaf is washed up, the plant height is about 75 cm, the three factors of yield are coordinated, the number of ears per mu is about 400000, the number of grains per mu is about 37, the weight of 1000 grains is 40 grams, and the grain half angle is powdery. It is the only weak gluten variety recommended by Huang-Huai Hainan regional test.
Yield performance
In 2003, the average yield per mu was 547 kg, 9.5% higher than that of Yumai 49. In 2005, the variety showed strong cold tolerance under the condition of low temperature which was not seen in decades. It has been planted in a hundred mu in Yanglei Township, Wenxian County, Henan Province, with a yield of 603 kg.
Key points of cultivation
It is suitable for early sowing, late sowing and flexible sowing date. The optimum sowing time is about 7.5 kg per mu in the first and middle of October, with sufficient base fertilizer, urea 20 kg, calcium superphosphate 50 kg and potash fertilizer 10 kg. It is suitable for planting with high and medium fertility in the vast Huang-Huai wheat area.
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Xindao 97203
This variety is a new strain bred in 1997 by crossing Yujing 6 with Xindao 89402. Characteristics: the growth period is moderate, maturing more than 10 days earlier than Yujing 6, and the whole growth period of wheat stubble rice along the yellow rice area is about 140 days. The plant type is good, the leaf is lifted up, the ear is erect, and the plant height is about 100 cm. Strong tillering ability, high panicle rate, 230000-240000 spikes per mu, 100-110grains per spike and 25g-26g 1000-grain weight. High yield, precocious combination ratio, average yield per mu
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Neimai 6
The main results are as follows: (1) Variety source: it was selected by Neijiang Institute of Agricultural Sciences in 1988 with Kengui 1 V.P.M and Mianyang 14 as the main parents. (2) characteristics: this variety belongs to spring wheat variety, the whole growth period is 178-183 days, which is 1-2 days later than that of the control 80Mur8. The plant height is 85-87 cm, the seedlings are erect, the leaves are dark green, the growth is vigorous, the tillering ability is strong, the panicle rate is higher, the spike is rectangular, awnless, white shell, grain fullness, red grain, half-horny, 1000-grain weight 45.
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