棉花烂桃,对棉花的产量和质量影响很大,轻者每亩少收皮棉 5—10斤,重者达20斤以上;因烂桃部位多发生在棉株中下部,所以棉花的霜前花比率变小,棉花品质也相应下降。什么样的棉田容易产生烂桃?一般来说,高产棉田或密度很大的棉田,中后期棉花枝叶繁茂,产生郁蔽,加之雨水多或浇水不当,往往烂桃较多。棉花为什么会产生烂桃?在郁蔽较严重的棉田,通风透光较差。如果此时雨水多或浇水不当,往往田间湿度过大,在这样的环境里,多种病菌得以滋生、繁衍、传播、扩散,当棉桃表面有破损或孔洞时(有时肉眼 Cotton rotten peach, a great impact on the yield and quality of cotton, the light per acre less lint 5-10 kg, weight more than 20 pounds; rotten peach parts occur in the lower part of the cotton plant, so cotton frost Flower ratio becomes smaller, the quality of cotton also decreased accordingly. What kind of cotton fields are prone to rotten peach? In general, high-yielding cotton fields or dense cotton fields, lush cotton foliage in the late period, resulting Yuyu, coupled with rain or improper watering, rotten peaches are often more. Why does cotton produce rotten peach? In the more severely depressed cotton fields, poor ventilation and light. If this time more rain or improper watering, often over-humidity field, in such an environment, a variety of germs to breed, propagation, spread, when the surface of damaged cotton or holes (sometimes naked