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Detailed Introduction to the Gangyou 734 Rice Variety

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(1) Variety source: A medium indica late-maturing hybrid rice combination developed by the Mianyang Institute of Agricultural Sciences by crossing Gang 46A with the self-bred restorer line 734 (Minghui 63/IR5311). (2) Characteristics: The whole-panicle growth period is 150 days, comparable to Shanyou 63. Compact plant type, good luxuriance, long and large flag leaf, plant height 116.1 cm, effective panicles per mu 17-18 ten thousand, average grains per panicle 150.0, seed-setting rate 85.0%, 1000-grain weight 27.6 g, brown rice rate 80.0%, milled rice rate 7

(1) Variety source: A medium indica late-maturing hybrid rice combination developed by the Mianyang Institute of Agricultural Sciences by crossing Gang 46A with the self-bred restorer line 734 (Minghui 63/IR5311).

(2) Characteristics: The whole-panicle growth period is 150 days, comparable to Shanyou 63. Compact plant type, good luxuriance, long and large flag leaf, plant height 116.1 cm, effective panicles per mu 17-18 ten thousand, average grains per panicle 150.0, seed-setting rate 85.0%, 1000-grain weight 27.6 g, brown rice rate 80.0%, milled rice rate 70.0%, head rice rate 50.5%, palatability superior to the control.

(3) Yield performance: In the Sichuan provincial regional trial from 1995-1996, the two-year average yield per mu was 554.50 kg, 2.3% higher than Shanyou 63. In the 1996 production trial, the average yield per mu across five trial sites was 572.60 kg, 5.29% higher than Shanyou 63.

(4) Suitable planting areas: Suitable for planting in the flatland and hilly areas of our province.

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