Anhui Agricultural Science Bulletin >
2025 , Vol. 31 >Issue 12: 27 - 30
DOI: https://doi.org/10.16377/j.cnki.issn1007-7731.2025.12.007
Reproductive performance and cultivation techniques of Fangyou 777 in the Chaohu region
Received date: 2024-11-22
Online published: 2025-07-02
Fangyou 777 is a semi winter type, chemical hybridization-induced Brassica napus hybrid cultivar developed by crossing the female parent Z11 with the male parent Y4. Its growth performance and cultivation techniques were evaluated based on field trials in Chaohu, Anhui Province. The cultivar demonstrated excellent agronomic traits with a growth period of 225 days, 1 000-seed weight of 4.72 g, and oil content of 46.22%. It showed strong lodging resistance and high yield potential, achieving 3 372.0 kg/hm2 in core demonstration areas.Key cultivation techniques include: selecting well-drained, sunny fields with soil pH 6.5-7.5 and deep plowing (15-20 cm); using high quality seeds treated with soaking and coating; broadcasting (manual or mechanical) at 4.5-6.0 kg/hm2 from late September to October 10; applying balanced fertilization based on soil testing and optimized irrigation (ensuring water supply during flowering while reducing irrigation during pod maturation); implementing thinning at seedling, 1-leaf, and 3-leaf stages, weed control with herbicides like metolachlor, and frost protection using paclobutrazol; integrated pest management against diseases (sclerotinia, downy mildew) and pests (flea beetles, cabbage worms); harvesting either by direct combining or two-stage method, followed by sun-drying to reduce seed moisture below 10% for storage. This paper provides references for promoting Fangyou 777 cultivation in middle and lower reaches of the Yangtze River.
LIU Xuting . Reproductive performance and cultivation techniques of Fangyou 777 in the Chaohu region[J]. Anhui Agricultural Science Bulletin, 2025 , 31(12) : 27 -30 . DOI: 10.16377/j.cnki.issn1007-7731.2025.12.007
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