MySheen

Zheng Mai 004

Published: 2024-11-22 Author: mysheen
Last Updated: 2024/11/22, Variety source (national review) Zhengmai 004 is a new wheat variety with high yield, stable yield, cold tolerance and strong disease resistance, which has been cultivated by the Wheat Research Institute of Henan Academy of Agricultural Sciences. Characteristics (national review) 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 leaves are 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, and the number of grains per ear is 37 left.

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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