Many cotton varieties, and this is what the national approval says (final part)

Characteristics: A transgenic insect-resistant hybrid first-generation variety, grown as spring cotton in the Yellow River Basin cotton region, with a full growth period of 136 days. The plant is tower-shaped and relatively loose, with a plant height of 93.7 cm, many stem hairs, medium-sized dark green leaves with obvious wrinkles, the first fruiting branch node at 6.5 nodes, 13.2 fruiting branches per plant, and 15.8 bolls per plant; the boll is oval with a relatively blunt tip, single boll weight 5.6 g, easy boll opening, seed index 10.4 g, lint percentage 40.6%, and pre-frost flower rate 90.5%. Highly resistant to Fusarium wilt, tolerant to Verticillium wilt, and highly resistant to cotton bollworm.

Yield performance: From 2002 to 2003, it participated in the regional trial of spring cotton varieties in the Yellow River Basin cotton region. The average yields per mu of seed cotton, lint cotton, and pre-frost lint cotton were 238.9 kg, 97.32 kg, and 87.7 kg respectively, which were 122.1%, 118.2%, and 118.8% of the control variety Yumian 21; in the 2004 production trial, the average yields per mu of seed cotton, lint cotton, and pre-frost lint cotton were 231.3 kg, 95.5 kg, and 88.3 kg respectively, which were 117.2%, 117.5%, and 116.2% of the control variety Zhongmiansuo 41.

Approval opinion: This variety is suitable for planting as a spring cotton variety in the Yellow River Basin cotton regions such as Shandong, eastern Henan, Jiangsu, north of the Huaihe River in Anhui, and southern Hebei.

Zhongmiansuo 52 (National Approval Cotton 2005006), original names: Zhongkangza 5, GKz Zhongza A49-668, bred by the Cotton Research Institute of the Chinese Academy of Agricultural Sciences and the Biotechnology Research Institute of the Chinese Academy of Agricultural Sciences.

Characteristics: A transgenic insect-resistant hybrid first-generation variety, grown as spring cotton in the Yellow River Basin cotton region, with a full growth period of 128 days. The plant is tower-shaped and relatively compact, with a plant height of 90.4 cm, green-purple stems with many hairs, medium-sized leaves with slightly darker leaf color, the first fruiting branch node at 7.4 nodes, 13.8 fruiting branches per plant, and 16.4 bolls per plant; the boll is oval, single boll weight 5.6 g, easy boll opening, seed index 10.2 g, lint percentage 40.2%, and pre-frost flower rate 89.2%. Tolerant to Fusarium wilt, tolerant to Verticillium wilt, and resistant to cotton bollworm.

Yield performance: From 2000 to 2001, it participated in the regional trial of insect-resistant cotton varieties in the Yellow River Basin cotton region. In 2000, the average yields per mu of seed cotton, lint cotton, and pre-frost lint cotton were 213.7 kg, 83.4 kg, and 70.4 kg respectively, which were 101.4%, 99.3%, and 99.0% of the control variety Zhongmiansuo 29; in 2001, the average yields per mu of seed cotton, lint cotton, and pre-frost lint cotton were 269.7 kg, 111.3 kg, and 104.5 kg respectively, which were 107.8%, 115.7%, and 115.7% of the control variety Zhongmiansuo 38. From 2002 to 2003, in the production trial, the two-year average yields per mu of seed cotton, lint cotton, and pre-frost lint cotton were 224.7 kg, 89.8 kg, and 82.7 kg respectively, which were 110.4%, 107.9%, and 106.5% of the control variety Zhongmiansuo 41.

Approval opinion: This variety is suitable for planting as a spring cotton variety in light-disease areas of the Yellow River Basin cotton region such as eastern and southern Hebei, Shandong, eastern and northern Henan, Jiangsu, north of the Huaihe River in Anhui, southern Shanxi, and the Guanzhong area of Shaanxi.

Zhongmiansuo 51 (National Approval Cotton 2005007), original name: SGK Zhong BZ12, bred by the Cotton Research Institute of the Chinese Academy of Agricultural Sciences and the Biotechnology Research Institute of the Chinese Academy of Agricultural Sciences.

Characteristics: A transgenic insect-resistant hybrid first-generation variety, grown as spring cotton in the Yellow River Basin cotton region, with a growth period of 131 days. The plant is relatively compact, with a plant height of 89.7 cm, many stem hairs, medium-sized leaves with slightly lighter leaf color, yellow anthers, the first fruiting branch node at 7.0 nodes, 13.3 fruiting branches per plant, and 16.4 bolls per plant; the boll is oval, with larger bracts, single boll weight 5.4 g, easy and concentrated boll opening, light brown cotton fiber, seed index 10.2 g, lint percentage 38.1%, and pre-frost flower rate 94.6%. Good early growth, weaker late growth, resistant to Fusarium wilt, tolerant to Verticillium wilt, and resistant to cotton bollworm.

Yield performance: From 2001 to 2002, it participated in the regional trial of insect-resistant cotton varieties in the Yellow River Basin cotton region. In 2001, the average yields per mu of seed cotton, lint cotton, and pre-frost lint cotton were 250.7 kg, 95.6 kg, and 91.0 kg respectively, which were 100.2%, 99.4%, and 100.8% of the control variety Zhongmiansuo 38; in 2002, the average yields per mu of seed cotton, lint cotton, and pre-frost lint cotton were 233.2 kg, 88.2 kg, and 82.7 kg respectively, which were 102.4%, 94.7%, and 95.7% of the control variety Zhongmiansuo 41. In the 2003 production trial, the average yields per mu of seed cotton, lint cotton, and pre-frost lint cotton were 192.4 kg, 73.0 kg, and 70.3 kg respectively, which were 106.7%, 97.1%, and 101.4% of Zhongmiansuo 41.

Approval opinion: This variety is suitable for planting as a spring cotton variety in the Yellow River Basin cotton region such as eastern and southern Hebei, Shandong (except the east), eastern and northern Henan, Jiangsu, north of the Huaihe River in Anhui, and southern Shanxi.

Handan 109 (National Approval Cotton 2005009), original name: GK45, bred by the Handan Academy of Agricultural Sciences and the Biotechnology Research Institute of the Chinese Academy of Agricultural Sciences.

Characteristics: A transgenic insect-resistant conventional variety, grown as spring cotton in the Yellow River Basin cotton region, with a full growth period of 133 days. The plant is relatively loose, with a plant height of 92.8 cm, purple-red and relatively thick stems, large and thick dark green leaves, the first fruiting branch node at 8.1 nodes, 16.7 bolls per plant, oval bolls with obvious tips, single boll weight 5.8 g, easy and concentrated boll opening, lint percentage 38.43%, seed index 12.6 g, and pre-frost flower rate 87.4%. Early growth is average, while mid-to-late growth is strong; tolerant to Fusarium wilt, tolerant to Verticillium wilt, and resistant to cotton bollworm; HVICC fiber upper half mean length 30.2 mm, breaking strength 31.8 cN/tex, Micronaire value 5.0, elongation 5.8%, reflectance 72.5%, yellowness 9.0, and uniformity index 85.0%.

Yield performance: From 1999 to 2000, it participated in the regional trial of insect-resistant cotton varieties in the Yellow River Basin cotton region. The average yields per mu of seed cotton, lint cotton, and pre-frost lint cotton were 231.9 kg, 89.0 kg, and 77.8 kg respectively, which were 103.3%, 97.8%, and 96.4% of the control variety Zhongmiansuo 29; in the 2000 production trial, the average yields per mu of seed cotton, lint cotton, and pre-frost lint cotton were 216.4 kg,

82.9 kg, and 75.1 kg respectively, which were 113.1%, 109.8%, and 108.2% of Zhongmiansuo 29.

Approval opinion: This variety is suitable for planting as a spring cotton variety in light-disease areas of the Yellow River Basin cotton region such as eastern and northern Henan, Shandong, central and southern Hebei, and southern Shanxi.

Lumianyan 16 (National Approval Cotton 2005010), original names: Lu S6145, GK30, bred by the Shandong Cotton Research Center and the Biotechnology Research Institute of the Chinese Academy of Agricultural Sciences.

Characteristics: A transgenic insect-resistant conventional variety, grown as spring cotton in the Yellow River Basin cotton region, with a full growth period of 129 days. The plant is tower-shaped, with a plant height of 93.9 cm, medium-to-small dark green leaves with relatively deep notches, the first fruiting branch node at 7.6 nodes, 13.4 fruiting branches per plant, and 16.3 bolls per plant; the boll is oval, single boll weight 5.3 g, easy boll opening, seed index 10.0 g, lint percentage 40.3%, and pre-frost flower rate 89.2%. Good emergence, good early growth, and strong mid-to-late growth; tolerant to Fusarium wilt, tolerant to Verticillium wilt, and resistant to cotton bollworm.

Yield performance: From 2000 to 2001, it participated in the regional trial of insect-resistant cotton varieties in the Yellow River Basin cotton region. In 2000, the average yields per mu of seed cotton, lint cotton, and pre-frost lint cotton were 211.9 kg, 83.4 kg, and 70.2 kg respectively, which were 100.5%, 99.3%, and 98.7% of the control variety Zhongmiansuo 29; in 2001, the average yields per mu of seed cotton, lint cotton, and pre-frost lint cotton were 249.9 kg, 103.0 kg, and 97.0 kg respectively, which were 99.8%, 107.1%, and 107.4% of the control variety Zhongmiansuo 38. In the 2001 production trial, the average yields per mu of seed cotton, lint cotton, and pre-frost lint cotton were 246.0 kg, 104.4 kg, and 98.8 kg respectively, which were 100.1%, 111.2%, and 111.4% of Zhongmiansuo 38.

Approval opinion: Suitable for planting as a spring cotton variety in the Yellow River Basin cotton region such as eastern and southern Hebei, Shandong, eastern and northern Henan, Jiangsu, north of the Huaihe River in Anhui, southern Shanxi, and the Guanzhong area of Shaanxi.

Lumianyan 21 (National Approval Cotton 2005011), original names: Lu 1138, GK34, bred by the Shandong Cotton Research Center and the Biotechnology Research Institute of the Chinese Academy of Agricultural Sciences.

Characteristics: A transgenic insect-resistant conventional variety, grown as spring cotton in the Yellow River Basin cotton region, with a growth period of 133 days. The plant is tower-shaped and relatively loose, with a plant height of 93.7 cm, few stem hairs, medium-to-large dark green leaves with relatively deep leaf lobes, the first fruiting branch node at 7.5 nodes, 12.4 fruiting branches per plant, and 16.0 bolls per plant; the boll is oval, single boll weight 5.8 g, thin boll shell, full, easy, and concentrated boll opening, seed index 11.1 g, lint percentage 41.6%, and pre-frost flower rate 93.9%. Good emergence, fast early development, vigorous yet steady growth, resistant to Fusarium wilt, tolerant to Verticillium wilt, and resistant to cotton bollworm.

Yield performance: From 2001 to 2002, it participated in the regional trial of insect-resistant cotton varieties in the Yellow River Basin cotton region. In 2001, the average yields per mu of seed cotton, lint cotton, and pre-frost lint cotton were 235.8 kg, 98.0 kg, and 93.0 kg respectively, which were 94.2%, 101.9%, and 103.0% of the control variety Zhongmiansuo 38; in 2002, the average yields per mu of seed cotton, lint cotton, and pre-frost lint cotton were 246.7 kg, 102.8 kg, and 95.5 kg respectively, which were 108.3%, 110.4%, and 110.5% of the control variety Zhongmiansuo 41; in the 2003 production trial, the average yields per mu of seed cotton, lint cotton, and pre-frost lint cotton were 198.0 kg, 85.0 kg, and 79.4 kg respectively, which were 109.8%, 113.0%, and 114.6% of Zhongmiansuo 41.

Approval opinion: This variety is suitable for planting as a spring cotton variety in the Yellow River Basin cotton region such as eastern and southern Hebei, Shandong, eastern and northern Henan, Jiangsu, north of the Huaihe River in Anhui, southern Shanxi, and the Guanzhong area of Shaanxi.