Cultivation techniques of Liangyoupeijiu Rice

Liangyoupeijiu is a high-yielding two-line hybrid rice variety selected by Jiangsu Province Academy of Agricultural Sciences. It was approved by Hubei Province Crop Variety Approval Committee in 2001. This variety has compact plant type, hard stalk, dark green leaves and erect sword leaves. Spike spinning type, panicle large grains, grains more dense. The grain length is medium, the seed setting rate is high, and the thousand grain weight is low. Rice quality is better. There are obvious two-stage grouting phenomenon, and the color is generally changed in the later stage. The whole growth period is about 139 days, 3-4 days longer than Shanyou 63. Moderate susceptibility to bacterial blight, high susceptibility to panicle neck blast. sheath blight medium. Rice false smut and rice grain smut were serious in rainy days during heading and flowering stage.

Cultivation points:

1. Early sowing in due time to cultivate strong seedlings with multiple tillers. The sowing date shall not be later than May 15. The seeding amount per mu of seedling field is about 7.5 kg, and the seed amount per mu of large field is about 1.5 kg. Soaking seeds with strong chlorine essence before sowing and treating with paclobutrazol when two leaves and one heart were used to cultivate strong seedlings with multiple tillers.

2. Rational thinning. Sowing 15,000 - 18,000 holes per mu in large fields, planting wide plants and narrow rows, planting 4×8 inches or 5×7 inches, planting 2-3 grain seedlings per mu, planting about 70,000 basic seedlings per mu.