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“83-255”是省核子所水稻研究室与阆中市农业局合作选育的一个优质、高产、抗病的水稻新品种。该品种1985年底参加全省首次优质稻米评选会,曾获米粒外观和食味品质第2名,继后被省农牧厅列为《优质稻米开发利用》推广项目进行重点开发。几年来,我市成片种植,亩产均为455—536公斤,产量高于“8O—133”、桂朝13等常规稻而略低于汕优63、D优63等杂交稻种。一、特征特性“83-255”属窄叶多穗型品种。全生育期145天,比汕优63少7—10天。平均穗粒数84.8粒,千粒重26.5克,籽粒淡黄、细长,米粒半透明,无心白腹白,米饭熟香、咀嚼有韧性。秧苗较为纤瘦但植株紧凑,叶片直立,根子粗短、量少。每亩以20—24万有效穗产量最高。
“83-255” is a high-quality, high-yield and disease-resistant new rice variety jointly bred by Shaanxi Provincial Institute of Nuclear Rice and Huangzhong Municipal Bureau of Agriculture. The variety at the end of 1985 to participate in the province’s first high-quality rice selection, won the rice grain appearance and food quality No. 2, followed by the provincial agriculture department as a “good rice development and utilization” to promote the project to focus on the development. Over the past few years, the city into a film planting, yield 455-536 kg per mu, yield higher than the “8O-133”, Gui and other conventional rice 13 and slightly lower than Shanyou 63, D You 63 hybrid rice. First, the characteristics of “83-255” is a narrow-leaf multi-spike varieties. The whole growth period of 145 days, less than Shanyou 63 7-10 days. The average grain number of 84.8 grains, grain weight 26.5 grams, yellowish, slender, translucent rice, white heartless white, cooked rice, chewing toughness. Slender but more compact plant, leaves erect, stubby roots, less. 20-24 million effective per acre yield highest.