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鸿泰6636

此品种为耐草甘膦、抗棉铃虫、耐高温高产优质常规品

This variety is a high-yielding, conventional variety that is resistant to glyphosate, bollworm, and high temperatures.

主要特征特性
/Main features
农艺性状
/ Agronomic traits
该品种生育期121天左右，植株桶型，较紧凑I-II式果枝，始果枝节位5.7节，茎秆粗壮，叶色深绿，叶片中等偏小，叶量少，茎秆绒毛多，壮苗早发，生长势强，果枝上举，通风透光好。铃卵圆型，平均单铃重6.3-6.8克左右,锯衣分45.3%。

This variety has a growth period of approximately 121 days. The plant is barrel-shaped with relatively compact I-II type fruiting branches. The first fruiting branch appears at the 5th or 7th node. The stems are robust, with dark green leaves that are medium to small in size and few in number. The stems are covered in fine hairs. Strong seedlings emerge early, exhibiting vigorous growth. The fruiting branches are upright, ensuring good ventilation and light penetration. The bolls are oval, with an average weight of 6.3-6.8 grams per boll and a sawn leaf percentage of 45.3%.

产量性状
/ Yield traits
结铃性强，中下部果枝多2-3铃，中等肥力棉田平均单株结铃10-13个，吐絮集中，铃壳薄，吐絮畅，含絮好。

It has strong boll-setting ability, with 2-3 bolls on the middle and lower fruit branches. In medium-fertility cotton fields, the average number of bolls per plant is 10-13. The boll opening is concentrated, the boll shell is thin, the boll opening is smooth, and the boll content is good.

纤维品质性状
/ Fiber quality characteristics
纤维绒长30.4mm,断裂比强度30.7cn/tex,马克隆值4.4。

The fiber has a flock length of 30.4 mm, a breaking strength of 30.7 cn/tex, and a micron value of 4.4.

抗逆性
/ Resilience

Resilience
出苗壮，低温下棉苗根系病害少;耐高温，高温期间棉桃脱落少;茎秆硬不倒伏;高抗棉铃虫;抗枯萎耐黄萎病。
It produces strong seedlings with fewer root diseases under low temperatures; it is tolerant to high temperatures with less boll shedding during high-temperature periods; its stems are strong and do not lodging; it is highly resistant to bollworms; and it is resistant to wilt and Verticillium wilt.
主要栽培管理措施
/Main cultivation and management measures

●播期:5厘米地温连续3天稳定通过12°C以上，播种密度21-24万株/公顷，收获密度18-21万株/公顷左右。


●施肥:施足底肥，以有机肥为主,追肥以氮磷钾水溶肥配合使用，轻施苗肥，稳施蕾肥，重施花铃肥，盛花期后增施磷钾肥，叶面肥以锌肥、硼肥和磷酸二氢钾为主，肥料总投入以产定肥，配合使用。


●灌水:滴灌棉田视土壤墒情7-10天滴一次，每次每亩用水量20-35m³，高温期缩短间隔天数。


●化控:对缩节胺较敏感,全程化控,早控、轻控、勤控相结合,视棉苗长势确定化控用量。


●病虫害防治:注意病虫害防治,以防为主,防治结合。打顶:遵循"时到不等枝,枝到不等时"原则,机采棉株高度控制100cm左右。


●脱叶:该品种对落叶剂较敏感,机采棉田脱叶剂使用根据田间密度、长势、气温灵活掌握时间和用量。

● Sowing Period: When the soil temperature at a depth of 5 cm has remained consistently above 12°C for 3 consecutive days, the sowing density should be 210,000-240,000 plants/hectare, and the harvest density should be approximately 180,000-210,000 plants/hectare.


● Fertilization: Apply sufficient base fertilizer, primarily organic fertilizer. Topdress with a combination of nitrogen, phosphorus, and potassium water-soluble fertilizers. Apply light seedling fertilizer, steady bud fertilizer, and heavy flowering and boll-forming fertilizer. After full bloom, increase phosphorus and potassium fertilizer application. Foliar fertilizer should primarily consist of zinc, boron, and potassium dihydrogen phosphate. Total fertilizer input should be determined based on yield and used in combination.


● Irrigation: Drip irrigation should be applied to cotton fields every 7-10 days depending on soil moisture, using 20-35 m³ of water per acre each time. Shorten the interval during periods of high temperature.


● Chemical Control: Cotton is sensitive to mepiquat chloride. Implement full-process chemical control, combining early, light, and frequent control. Determine the dosage based on seedling growth.


● Pest and Disease Control: Pay attention to pest and disease control, prioritizing prevention while combining treatment with application. Topping: Follow the principle of "topping at the right time, not waiting for branches; topping at the right time, not waiting for branches," controlling the height of machine-harvested cotton plants to around 100cm.


●Defoliation: This variety is relatively sensitive to defoliants. The application of defoliants in machine-harvested cotton fields should be adjusted flexibly according to field density, growth vigor, and temperature, adjusting the timing and dosage accordingly.