Hybrid one cropping Rice Variety-ⅱ you 93

Characteristics: this variety belongs to three-line late-maturing medium hybrid rice. In 2004, it participated in the regional trial of super rice in Hunan Province. The whole growth period was 136.2 days, which was 6 days less than that of Liangyoupeijiu and 2 days less than that of Shanyou 63. The plant height is about 115 cm, the plant type is tight and loose, and the resistance to fertilizer and lodging is strong. The tillering ability is medium, the luxuriance is good, the heading is neat, and the color is good in the later stage. The average effective panicle per mu is 164300 ears, the total grain number per panicle is 172.3, the seed setting rate is about 80%, and the 1000-grain weight is 27.6g.

Key points of cultivation: the medium rice cultivation in Xiangxi, Hunan Province is generally sown around April 20, with a sowing amount of 10 kg per mu in the seedling field. Mix 2 grams of paclobutrazol per kilogram of seeds when sowing. Generally, water-raised seedlings are transplanted with about 5 leaves. The planting density is 6 × 7 inches and 2 rice seedlings are planted in each plant. In the early stage, dry and wet alternately promote tillering, transplant seedlings and dry the field in time, wet irrigation in the later stage, avoid cutting off water too early, in order to prevent premature senescence and affect rice quality. Persist in soaking seeds with strong chlorine, and timely apply pesticides to control diseases and insect pests such as Chilo suppressalis, Chilo suppressalis, Rice planthopper, Rice blast and Zhe disease according to the forecast of diseases and insect pests in the field.