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闽优一号是由 V_(41)不育系与恢复系 IR_(24)杂交而成的杂种,偏中稻类型,对光钝感,较感温。在福建种植,早季145～155天,中季135～145天,晚季125～140天。其分蘖力较强,分蘖集中,株型紧凑,叶片厚挺,叶色浓绿,肥水过量时剑叶及其下一叶偏长,根系发达,根粗而长,耐肥力较强,抗倒伏。抗稻瘟病,抗旱力强,耐酸耐锈耐盐。不易自然落粒。再生能力中等偏好。穗大粒多,每穗粒数110～160粒,千粒重27克左右。结实率80～90%,出米率70%以上。易感纹枯病和白叶枯病。喜高温强光。
Minyou 1 is a hybrid between V_ (41) CMS line and restorer line IR_ (24), with moderate rice type, which is sensitive to light and sensitive to light. Planting in Fujian, 145 to 155 days in early season, 135 to 145 days in mid-season and 125 to 140 days in late-season. Its tillering ability is strong, the tiller concentrates, the plant type is compact, the leaves are thick, the leaf color is dark green, the flag leaf and its next leaf are long, the root system is developed, the root is thick and long, the resistance is strong, . Resistance to rice blast, drought-resistant, acid-resistant rust-resistant salt. Not easy to fall naturally. Regenerative ability medium preference. Spike large grain, grain number per spike 110 to 160, grain weight of about 27 grams. Seed set rate of 80 to 90%, the rate of rice more than 70%. Susceptible sheath blight and bacterial blight. Hi-temperature glare.