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Qianfengyou 877


Classification

Variety display

Demonstration

Medium

Rice varieties in the middle and lower reaches of the Yangtze River


产品附件


In the middle and lower reaches of the Yangtze River, the whole growth period of a season of medium rice was 135.9 days, 2.3 days earlier than the control Fengliangyou No. 4. The plant height is 118.0 cm, the ear length is 24.6 cm, the effective ears per mu are 150000 ears, the total grains per ear are 192.5, the seed setting rate is 84.0%, and the 1000 grain weight is 28.1 g. Main indicators of rice quality: head rice rate is 66.8%, chalky grain rate is 9%, chalkiness is 1.9%, amylose content is 15.0%, gel consistency is 72 mm, length width ratio is 3.2, reaching the national standard of High Quality Rice Grade 3 and the agricultural industry standard of Edible Rice Variety Quality Grade 2.

product details


Qianfengyou 877   Guoshendao 20186085


 

★ Main characters of the variety
Indica three line hybrid rice varieties.
In the middle and lower reaches of the Yangtze River, the whole growth period of a season of medium rice was 135.9 days, 2.3 days earlier than the control Fengliangyou No. 4. The plant height is 118.0 cm, the ear length is 24.6 cm, the effective ears per mu are 150000 ears, the total grains per ear are 192.5, the seed setting rate is 84.0%, and the 1000 grain weight is 28.1 g. Main indicators of rice quality: head rice rate is 66.8%, chalky grain rate is 9%, chalkiness is 1.9%, amylose content is 15.0%, gel consistency is 72 mm, length width ratio is 3.2, reaching the national standard of High Quality Rice Grade 3 and the agricultural industry standard of Edible Rice Variety Quality Grade 2.


★ Adaptability
Yield performance: In 2015, participated in the regional test of medium indica late maturing group in the middle and lower reaches of the Yangtze River, with an average yield of 698.70 kg per mu, 4.31% more than that of the control Fengliangyou No. 4; In 2016, the average yield per mu was 631.03 kg, which was 4.10% higher than that of CK Fengliangyou No. 4; The average yield per mu in two years' regional trials was 664.86 kg, 4.21% higher than that of the control Fengliangyou No. 4; In the production test in 2017, the average yield per mu was 646.90 kg, which was 4.73% higher than that of CK Fengliangyou No. 4.
Resistance: the comprehensive indexes of rice blast in two years were 5.3 and 3.7, respectively. The loss rate of ear neck blast was the highest level, 7 levels. It was susceptible to rice blast, bacterial leaf blight, and brown planthopper, and the heat tolerance at heading stage was medium.


★ Main cultivation measures
1. Cultivate medium rice in the middle and lower reaches of the Yangtze River, and sow in the first and middle of April. The seeding amount per mu of seedling field is 6 kg, and cultivate strong seedlings.
2. The transplanting seedling age is 25~30 days. It is better to plant wide rows and narrow plants, and the row spacing of plants is 20 cm × 30cm, double planting, about 70000 seedlings per mu.
3. Apply more organic fertilizer, properly apply phosphorus and potassium fertilizer, apply 35~40kg compound fertilizer and 20~30kg ammonium carbonate as base fertilizer per mu, apply topdressing early after transplanting, and apply urea and potassium chloride together; Ear and grain fertilizer shall be applied or not applied according to seedling conditions.
4. When the number of seedlings per mu reaches 160000, the field will be drained and re dried. There will be water layer in the field from booting to full heading. After full heading, the field will be irrigated intermittently and managed moist.
5. Focus on the prevention and control of rice blast, borer, rice planthopper, sheath blight, rice false smut and other diseases and pests.


★ Suitable planting area
It is suitable to plant one season of medium rice in Hubei (except Wuling Mountain Area), Hunan (except Wuling Mountain Area), Jiangxi, Anhui and Jiangsu provinces in the Yangtze River valley rice region, as well as in Zhejiang, northern Fujian and southern Henan rice regions with low incidence of rice blast. It is not suitable to plant in areas with high incidence of rice blast.


★ Planting season
Please pay attention to sowing and scientific management according to the specific arrangements of local climate, previous crops, seedling raising mode and planting habits, and according to the accurate time guided by the local agricultural technology department.

 

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