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Introduction to the Characteristics and Traits of the Rice Variety II You 734

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(1) Variety source: It is a new late-maturing hybrid mid-season indica combination developed by the Mianyang Agricultural Science Institute by crossing II32-8A with the disease-resistant restorer line 734 bred by the institute. (2) Characteristics and traits: II You 734 has a whole growth period of 154 days, 4 days longer than Shan 63. It has a compact plant type, good luxuriance, medium-wide leaves, a plant height of 116 cm, a panicle length of about 25 cm, a seed-setting rate of 80%, a 1000-grain weight of 2706 g, a brown rice rate of 70.9%, and a head rice rate of 51.5%. (3) Yield performance: The two-year regional trial average yield was 560 kg per mu, higher than Shan

(1) Variety source: It is a new late-maturing hybrid mid-season indica combination developed by the Mianyang Agricultural Science Institute by crossing II32-8A with the disease-resistant restorer line 734 bred by the institute.

(2) Characteristics and traits: II You 734 has a whole growth period of 154 days, 4 days longer than Shan 63. It has a compact plant type, good luxuriance, medium-wide leaves, a plant height of 116 cm, a panicle length of about 25 cm, a seed-setting rate of 80%, a 1000-grain weight of 2706 g, a brown rice rate of 70.9%, and a head rice rate of 51.5%.

(3) Yield performance: The two-year regional trial average yield was 560 kg per mu, 1.7-2.8% higher than Shanyou 63; in production trials in different ecological zones, it yielded 8-12% more than Shanyou 63, and it has relatively strong resistance to blast disease. Leaf blast grade 3-4. Neck blast grade 0-3.

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

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