Spring sowing new rice variety--You I66

Spring sowing new rice variety--You I66

This breed is a early-middle-middle-ripening three-line hybrid combination selected for Chinese rice. In 1999, it was approved by the National Crop Variety Approval Committee. The combined growth period is 118 days. The plant height is 80-85cm, the number of grains per panicle is about 90, and the seed setting rate is more than 80%. The type of leaves is good, the tightness is moderate, the flag leaves are straight and jerked, and the tiller power is medium and high. The weight of 1 grain is 26.6g, the rate of polished rice is 70.5%, the rate of whole polished rice is 27.0%, the ratio of length to width is 2.6, and the quality of rice is superior. The appearance quality and taste are better. Syphila and Bacterial Leaf Blight, not resistant to thin strip disease and rice planthoppers. General yield 6750-7500 kg/ha. It is suitable for planting double-season rice in southern Zhejiang, Jiangxi, Guangxi and Fujian provinces. Cultivation points: timely sowing, dilute seedling breeding; reasonable close planting, per acre foot planted into the basic seedlings 1200-1.35 million / hectares; re-basal fertilizer, supplemented by top dressing, late generally not suitable for top-dressing; attention to control rice leaf roller, drill core Insects and rice planthoppers.

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