Anhui Agricultural Science Bulletin >
2025 , Vol. 31 >Issue 21: 16 - 18
DOI: https://doi.org/10.16377/j.cnki.issn1007-7731.2025.21.004
Comprehensive cultivation techniques and planting performance of rice variety Y Liangyou 1173
Received date: 2025-03-28
Online published: 2025-11-12
The comprehensive cultivation techniques for the hybrid rice variety Y Liangyou 1173 were systematically summarized, and its performance in a demonstration planting conducted in Xingning, Guangdong, in 2024 was evaluated. The comprehensive cultivation techniques include ultrasonic seed selection and seed soaking and germination with strong chlorine-based disinfectant; using plastic tray seedling raising combined with seedling strengthening agent to cultivate robust seedlings. Additionally, the methods involve fine land preparation and rational dense planting (255 000-300 000 hills/hm2), the implementation of precise and alternating dry and wet water-saving irrigation strategies, and the adherence to the “prevention first, integrated control” philosophy. A green pest and disease control model was established, based on healthy cultivation practices and incorporating accurate forecasting, physical and chemical attraction control, and scientific pesticide application, with the use of plant protection drones to enhance control efficiency. Mechanical harvesting in the late stage of ripening, safe storage when dried to a moisture content of 14.5% in rice grains. The demonstration results showed that the variety had a total growth period of 112-126 days, effective panicle numbers of 2.49-2.61 million panicles/hm2, and a yield of 9 543.30-9 769.50 kg/hm2. The chalkiness degree ranged from 1.2% to 2.5%. Overall, the variety exhibited excellent characteristics such as high yield, high quality, desirable maturity color, and strong resistance. This study provides a reference for the promotion and cultivation of this variety in similar ecological regions.
LIU Qiuxia , LIU Yujuan . Comprehensive cultivation techniques and planting performance of rice variety Y Liangyou 1173[J]. Anhui Agricultural Science Bulletin, 2025 , 31(21) : 16 -18 . DOI: 10.16377/j.cnki.issn1007-7731.2025.21.004
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