Chuanza No. 8 (Cotton)
The main results are as follows: (1) Variety source: it is the first generation of cotton hybrid made by Lezhi County seed Company in 1988 with 473A dual-use line and Chuanbei 2.
(2) characteristics: the growth period is 135 days, which belongs to the mid-early maturing upland cotton variety. Rapid growth and development at seedling stage, leaves of equal size, dark green in color, compact plant type, spreading fruit branches, uniform direction, good permeability, plant height 80-90 cm, steady growth at flowering and boll stage, concentrated flowering, thin boll shell, five-chamber bolls, single boll weight 5.08Mul 5.15g. Good fiber color, lint percentage 41.94%, micronaire value 4.14-4.77, specific strength 20.55-21.6, seed index 9.6-9.71 g, white flower rate 85.95%. The number of flowers collected on September 20 is 74.58%. It was identified as a variety resistant to Fusarium wilt and Verticillium wilt after inoculation.
(3) yield performance: in the urban test in 1991-1992, the average lint yield per mu was 80.81kg, which was 17.87% higher than that of the control 73-27, and 13.85% higher than that of Chuanza 4 in the provincial regional test. The average lint yield per mu was 82.32kg, 0.40% higher than that of the control 73-27, and 109.45 kg per mu in the provincial trial in 1995. The yield was 18.11% higher than that of control 73-27.
(4) suitable planting area: suitable for planting in mild disease and disease-free area of our province.
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Chuanza No. 9 (Cotton)
The main results are as follows: (1) Variety source: the genic male sterile line anti-A1 used by the Provincial Academy of Agricultural Sciences was used as the female parent and was mixed with 12 groups of national popularized varieties cultivated by China Cotton Institute. (2) characteristics: the whole growth period of the hybrid is 130-136 days, the plant height is 85-90 cm, the plant body is compact into a tower, the stem and branch are stout, the leaf color is dark green, the leaf is medium, the light transmittance is good, the growth is prosperous, the boll setting is strong, the boll is oval, the bell shell is thin, and the boll is smooth. The fiber is neat, the color is good, the percentage of clothes is 41-43%, and the weight of single boll is 5-6g.
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Chuanza 11 (Cotton)
Approved by Sichuan Province in 1999. A cumulative promotion of 85000 mu. The main results are as follows: (1) Variety source: it was bred by Cotton Research Institute of Sichuan Academy of Agricultural Sciences with self-bred double-resistant genic male sterile line Kang A2 as female parent and F10 superior line 2069 of Mexican semi-wild cotton (Sichuan 73-27x Mexican cotton). (2) characteristics: mid-precocious hybrid, plant high school, etc. (about 88 meters), the whole plant is tower-shaped, the first fruit branch node is low (4-6 nodes), strong boll setting, smooth boll production, 43% sample size.
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