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Introduction to the Characteristics of the Rice Variety II You 838

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II You 838 is a rice variety introduced by the Seed and Seedling Branch of Hunan Yahua Seed Industry from the Sichuan Institute of Nuclear Technology Application. It passed the approval of the Hunan Provincial Crop Variety Approval Committee in March 2003. It is suitable for cultivation as mid-season rice in the province. The plant height of this variety is about 120 cm. The stems are thick and strong, the main stem has 17-18 leaves, the flag leaf is erect, and the leaf sheath is purple. It is tolerant to fertilizer and resistant to lodging, and retains good color in the later stage. The average panicle length is 25 cm, the total number of grains per panicle is 150, and the seed-setting rate is about 85%. The 1000-grain weight is about 28 g. When cultivated as mid-season rice in Hunan

II You 838 is a rice variety introduced by the Seed and Seedling Branch of Hunan Yahua Seed Industry from the Sichuan Institute of Nuclear Technology Application. It passed the approval of the Hunan Provincial Crop Variety Approval Committee in March 2003. It is suitable for cultivation as mid-season rice in the province.

The plant height of this variety is about 120 cm. The stems are thick and strong, the main stem has 17-18 leaves, the flag leaf is erect, and the leaf sheath is purple. It is tolerant to fertilizer and resistant to lodging, and retains good color in the later stage. The average panicle length is 25 cm, the total number of grains per panicle is 150, and the seed-setting rate is about 85%. The 1000-grain weight is about 28 g. When cultivated as mid-season rice in Hunan, the whole growth period is about 132 days, 2 days longer than Shanyou 63. According to regional trial disease resistance identification: leaf blast grade 6, panicle blast grade 5.

The brown rice rate of II You 838 is 79.8%, the milled rice rate is 73.4%, and the head rice rate is 42.6%. The gel consistency is 55 mm, and the amylose content is 22.8%. The yield in production demonstrations is about 550 kg per mu.

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