Aiming at the special situation of hybrid insect-resistant cotton varieties (lines) in the market, special situations of mixed dragons and fishes, and in order to screen out hybrid insect-resistant cotton varieties that are suitable for farmers' cultivation, outstanding disease resistance performance and comprehensive high-yield traits, Yandu District, Yancheng City The station conducted a comparative test of new varieties of hybrid insect-resistant cotton in 2005. A total of 16 varieties were selected for the experiment, which outperformed the control variety Zhongmian 29 in 8 varieties.
The middle 003 plant height 130 cm, 20.8 fruit trees per plant, 31.1 planted bolls, the yield of seed cotton and lint were 250 kg/mu and 97 kg/mu, respectively, which is the best crossbreed in this experiment. Insect-resistant cotton varieties. The species has a medium plant height and a compact plant type. The whole growing period is 130 days, which is a partial early maturing variety. In the early and middle stages, it develops earlier, grows faster, and the middle bell is stronger and the bell is more concentrated. The root system is developed, with strong anti-disaster ability and good adaptability.
Tai D5 (Ezamian No. 10) plant height 138 cm, 21.2 per plant fruit branches, 31 bolls per plant, seed cotton, lint yield were 247 kg/mu and 94 kg/mu, respectively. The variety has a fast growth rate at seedling stage, the plants are tall and the stems are thick. The whole growth period is 133 days and it is a medium-early-maturing variety. Strong bells, early peaches, and premature aging. However, the seed shell is thicker and the sprouting is slightly slower.
Lu Mianyan No. 24 had a height of 133 cm, with 20.8 fruit branches per plant and 30.8 bolls per plant. Seed cotton and lint yields were 245 kg/mu and 93 kg/mu, respectively. This species has a better emergence and faster growth in the early stage. The plants are tall and the plant type is more compact. It has strong bell-ringing, smooth boll opening, and good overall traits. The whole growth period is 135 days and it is a medium-early-maturing variety.
æ³— Kang No. 3 plant height 122 cm, 20.5 fruit trees per plant, 28.9 bolls per plant, 42.8% lint, ranking first, seed cotton yield 208 kg/mu, lint yield 89 kg/ mu. The whole growth period is 129 days, which is a medium-early-maturing variety. The seedlings emerged quickly and neatly. The seedlings grew more prosperous, the seedlings grew longer, the plant height was medium, the plant type was sparse, tower-shaped, the fruiting branches were well-proportioned, the leaf size was moderate, the lower fruit branch was longer, the boll traits, good early maturity performance, and the lint percentage high.
The Suza 1 plant has 139 cm in height, 21.5 fruit trees per plant, and 28.3 plants per plant. Seed cotton yield 226 kg/mu and lint yield 86 kg/mu. The whole growth period is 140 days. This species has emerged neatly, with high emergence rate, no disease at seedling stage, vigorous growth, good growth, and rapid emergence. The plants are taller, the plant type is tower-shaped, the leaves are medium, the bell is strong, the bell is larger, the precociousness is general, and the adaptability is strong.
The Yuza 35 plant is 129 cm high, with 20.8 fruit branches per plant, 27.8 bolls per plant, 208 kg/mu of seed cotton, and 81 kg/mu of lint. The whole growth period is 131 days, which is a medium-early-maturing variety. The variety emerged faster and had a higher rate of seedling emergence. The seedling stage had a more vigorous growing tendency, early emergence of seedlings and low fruit branching. The plant is medium, the plant type is more compact, the fruit branch does not droop on the lifting, the bell is strong, and the early maturity performance is good. This variety is more sensitive to organic fertilizers. When organic fertilizers are insufficient, the bell shape may become smaller.
There are 48 plants in the Cotton Institute with 138 cm in height, 20.6 per plant branches, 29.6 per plant, 212 kg per mu for seed cotton, and 79 kg per mu for lint. The whole growth period is 140 days. The plant type is loose and the leaves are slightly larger. The bell is stronger and the precociousness is normal. Resistant to fertilizer and stain, general resistance.
Lu Mianyan No. 20 has a plant height of 135 cm, 20.4 plants per plant, and 29.2 planted plants. Seed cotton yield was 207 kg/mu and lint yield was 79 kg/mu. The whole growth period is 135 days. The shape of the plant was tower-shaped, with fruit branches on the upper limbs, a higher number of habitats, strong bells in the middle and lower parts, rapid erection of flowers during buds, and robust growth in the middle period.
Due to the disaster in the test area, the characteristic characteristics of some varieties are not obvious, and it is still necessary to continue the test demonstration this year.
The middle 003 plant height 130 cm, 20.8 fruit trees per plant, 31.1 planted bolls, the yield of seed cotton and lint were 250 kg/mu and 97 kg/mu, respectively, which is the best crossbreed in this experiment. Insect-resistant cotton varieties. The species has a medium plant height and a compact plant type. The whole growing period is 130 days, which is a partial early maturing variety. In the early and middle stages, it develops earlier, grows faster, and the middle bell is stronger and the bell is more concentrated. The root system is developed, with strong anti-disaster ability and good adaptability.
Tai D5 (Ezamian No. 10) plant height 138 cm, 21.2 per plant fruit branches, 31 bolls per plant, seed cotton, lint yield were 247 kg/mu and 94 kg/mu, respectively. The variety has a fast growth rate at seedling stage, the plants are tall and the stems are thick. The whole growth period is 133 days and it is a medium-early-maturing variety. Strong bells, early peaches, and premature aging. However, the seed shell is thicker and the sprouting is slightly slower.
Lu Mianyan No. 24 had a height of 133 cm, with 20.8 fruit branches per plant and 30.8 bolls per plant. Seed cotton and lint yields were 245 kg/mu and 93 kg/mu, respectively. This species has a better emergence and faster growth in the early stage. The plants are tall and the plant type is more compact. It has strong bell-ringing, smooth boll opening, and good overall traits. The whole growth period is 135 days and it is a medium-early-maturing variety.
æ³— Kang No. 3 plant height 122 cm, 20.5 fruit trees per plant, 28.9 bolls per plant, 42.8% lint, ranking first, seed cotton yield 208 kg/mu, lint yield 89 kg/ mu. The whole growth period is 129 days, which is a medium-early-maturing variety. The seedlings emerged quickly and neatly. The seedlings grew more prosperous, the seedlings grew longer, the plant height was medium, the plant type was sparse, tower-shaped, the fruiting branches were well-proportioned, the leaf size was moderate, the lower fruit branch was longer, the boll traits, good early maturity performance, and the lint percentage high.
The Suza 1 plant has 139 cm in height, 21.5 fruit trees per plant, and 28.3 plants per plant. Seed cotton yield 226 kg/mu and lint yield 86 kg/mu. The whole growth period is 140 days. This species has emerged neatly, with high emergence rate, no disease at seedling stage, vigorous growth, good growth, and rapid emergence. The plants are taller, the plant type is tower-shaped, the leaves are medium, the bell is strong, the bell is larger, the precociousness is general, and the adaptability is strong.
The Yuza 35 plant is 129 cm high, with 20.8 fruit branches per plant, 27.8 bolls per plant, 208 kg/mu of seed cotton, and 81 kg/mu of lint. The whole growth period is 131 days, which is a medium-early-maturing variety. The variety emerged faster and had a higher rate of seedling emergence. The seedling stage had a more vigorous growing tendency, early emergence of seedlings and low fruit branching. The plant is medium, the plant type is more compact, the fruit branch does not droop on the lifting, the bell is strong, and the early maturity performance is good. This variety is more sensitive to organic fertilizers. When organic fertilizers are insufficient, the bell shape may become smaller.
There are 48 plants in the Cotton Institute with 138 cm in height, 20.6 per plant branches, 29.6 per plant, 212 kg per mu for seed cotton, and 79 kg per mu for lint. The whole growth period is 140 days. The plant type is loose and the leaves are slightly larger. The bell is stronger and the precociousness is normal. Resistant to fertilizer and stain, general resistance.
Lu Mianyan No. 20 has a plant height of 135 cm, 20.4 plants per plant, and 29.2 planted plants. Seed cotton yield was 207 kg/mu and lint yield was 79 kg/mu. The whole growth period is 135 days. The shape of the plant was tower-shaped, with fruit branches on the upper limbs, a higher number of habitats, strong bells in the middle and lower parts, rapid erection of flowers during buds, and robust growth in the middle period.
Due to the disaster in the test area, the characteristic characteristics of some varieties are not obvious, and it is still necessary to continue the test demonstration this year.
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