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Characteristics and Traits of the Chuandou No. 4 Soybean Variety

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(1) Variety source: Bred by Sichuan Agricultural University. (2) Characteristics and traits: The full growth period is 102 days, and it is resistant to viral diseases. The plant height is moderate, with purple flowers, brown pubescence, and a compact, upright plant type. It has a determinate podding habit, and the mature pods are brown and sickle-shaped. The seeds are round, with a brown hilum and yellow seed coat. (3) Yield performance: In the 1993 provincial regional trial, the average yield per mu was 141.0 kg, an increase of 22.08% over the control (Aijiaozao). In 1994, the average yield per mu was 121.7 kg, an increase of

(1) Variety source: Bred by Sichuan Agricultural University.

(2) Characteristics and traits: The full growth period is 102 days, and it is resistant to viral diseases. The plant height is moderate, with purple flowers, brown pubescence, and a compact, upright plant type. It has a determinate podding habit, and the mature pods are brown and sickle-shaped. The seeds are round, with a brown hilum and yellow seed coat.

(3) Yield performance: In the 1993 provincial regional trial, the average yield per mu was 141.0 kg, an increase of 22.08% over the control (Aijiaozao). In 1994, the average yield per mu was 121.7 kg, an increase of 11.45% over the control. In the production trial, the average yield per mu was 144.7 kg, an increase of 25.17% over the control. The percentage of completely filled seeds was 91.5%, 5.7% higher than the control. The 100-seed weight was 21.6 g, 4.2 g higher than the control. The protein content was 50.7% and the fat content was 18.6%, respectively 1.6% and 0.68% higher than the control.

(4) Suitable planting areas: Suitable for planting in areas of our province below 1500 m in altitude.

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