Introduction
Yield of mid-season rice Quality of aromatic rice
Indica three-line hybrid rice variety. Planted as mid-season rice in the middle and lower reaches of the Yangtze River, the whole growth period is 130.5 days, 1.5 days earlier than the control Fengliangyou No. 4. Plant height 121.4 cm, ear length 25.5 cm, effective ear number per mu 191,000 ears, total number of grains per ear 205.4 grains, fruit setting rate 83.5%, 1000-grain weight 23.1 grams. Resistance: The comprehensive index of rice blast was 4.5 and 4.4 in the past two years, the highest level of ear neck blast loss rate was 7, the bacterial leaf blight was 5, moderately susceptible to bacterial leaf blight, and strong heat resistance during heading. The main indicators of rice quality: whole polished rice rate 58.3%, chalkiness 1.6%, amylose content 14.6%, gel consistency 66 mm, length-to-width ratio 4.1.
Features
The three-line indica hybrid rice variety is planted as a medium-season rice in the middle and lower reaches of the Yangtze River. The full growth period is 130.5 days, 1.5 days longer than the control Fengliangyou No. 4 Xing model. The plant height is 121.4 cm and the ear length is 255 cm. There are 191,000 effective seeds and powder in each city, 205.4 grains per ear, 83.5% fruit setting rate, and 1,000-grain weight of 23.1 grams. Resistance: The comprehensive index of rice blast was 4.5 and 4.4 in the two years respectively, the highest level of ear neck blast loss rate was 7, the bacterial leaf blight was 5, the Fufeihua was 9, the brown fly painting was highly susceptible, the bacterial leaf blight was moderately susceptible, and the rice blast was susceptible. The heat resistance during the heading period was strong. The main indicators of rice quality: the whole polished rice rate was 58.3%, the chalkiness was 1.6%, the amylose content was 14.6%, the gel consistency was 66 mm, the alkali elimination value was 5, and the length-width ratio was 4.1, reaching the third level of the agricultural industry’s “Edible Rice Variety Quality” standard.
Production performance
In 2018, it participated in the regional trial of the Zhongzhishikuan Group Consortium in the middle and lower reaches of the Yangtze River, with an average yield of 637.2 kg per mu, a 3.8% increase over the control Fengliangyou No. 4; in 2019, the trial was continued, with an average yield of 662.9 kg in the south, a 4.8% increase over the control Fengliangyou No. 4; the average yield of the two-year regional trial was 650.05 kg per mu, a 4.3% increase over the control Fengliangyou No. 4; in the 2020 production trial, the average yield was 656.66 kg per mu, a 5.56% increase over the control Fengliangyou No. 4.
Key points of cultivation technology
According to local ecological conditions, timely sowing, cultivating strong seedlings with multiple tillers, and using 1.0 kg of seeds per mu of field. 2. Transplanting when the seedlings are 30 days old or the seedlings have 5.5 leaves. The planting specifications are 20 cm x 26.6 cm, and 2 seeds are planted per stump. 3. The level of black fertilizer is above average. Generally, 12 kg of pure xenon, 7 kg of phosphorus pentoxide, and 7 kg of potassium oxide are applied per mu. The base fertilizer is heavily applied, and the topdressing is applied early. In the later stage, the gall is supplemented according to the seedlings, and the 4 deep water is used for tillering. When the total number of seedlings reaches about 250,000, the field is exposed in time, and the seeds are strong in the later stage. It is too early to stop watering. 5. According to local pest and disease information, timely application of pesticides is carried out to prevent and control diseases and pests such as rice blast, rice borer, rice flying painting, sheath blight, southern black streak dwarf disease, and rice smut.
Review opinion
This variety meets the national market standards for rice varieties and has passed market approval. It is suitable for planting as a medium-season rice in the rice-growing areas of the Yangtze River Basin in Hubei Province (except Wuling Mountain Area), Hunan Province (except Wuling Mountain Area), Jiangxi Province, Anhui Province, and Jiangsu Province, as well as in the medium-season rice-growing areas in Zhejiang Province, the northern rice-growing areas in Fujian Province, and the southern rice-growing areas in Henan Province where rice blast is lightly affected. It is not suitable for planting in areas where rice blast is heavily affected.
