rotten boll Learn more about rotten boll
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What about the rotten cotton bolls?
What about the rotten cotton bolls? Is there any way to prevent and cure cotton in mid-late August, when cotton enters the boll opening period, the phenomenon of rotten bolls and peaches often occurs? in general, the rate of rotten bolls and peaches reaches 10%, 15%, and serious fields reach more than 30%, often resulting in reduced cotton production and quality. To this end, the prevention and control of cotton bolls and peaches have the following five measures:.
2018-09-10 -
How to control cotton rotten bolls (peaches)?
How to control cotton rotten bolls (peaches)? Cotton boll rot occurs mostly in late August to early September, during which time if rainy and wet, hidden cotton fields, poor ventilation and light transmission, a variety of pathogens will breed rapidly. Common cotton boll rot disease mainly anthracnose, black fruit disease, blight, red rot, pink...
2018-07-18 -
Why is the cotton rotten? How to prevent cotton boll rot?
Why is the cotton rotten? How to prevent cotton boll rot? Please introduce the rotten bolls of cotton, which occurs to varying degrees almost every year. Therefore, on the basis of understanding the conditions and causes of cotton boll rot, comprehensive measures should be taken to reduce the loss to the minimum. One.
2018-07-18 -
Eight methods of preventing Cotton from rotten Boll
1. Ditching and drainage cotton is most afraid of autumn waterlogging, the greater the humidity of the cotton field, the more serious the rotten bolls. In case of continuous rain, it is more likely to cause rotten bell. Therefore, after the heavy rain, it is necessary to timely eliminate the stagnant water in the cotton field, dry the moisture to reduce the humidity, improve the field microclimate, accelerate the cotton boll cracking, restrain the propagation and spread of the pathogen, and reduce the rotten boll. two。 In cotton fields with high pruning density and vigorous growth, after full flowering, empty fruit branches should be cut off in time, strong buds should be erased, middle and lower side tops and old leaves of main stems should be removed in stages and batches, so as to enhance ventilation and light, reduce temperature and reduce rot.
2019-01-16 -
How to prevent cotton from rotten bolls (peaches) in rainy season?
How to prevent cotton from rotten bolls (peaches) in rainy season? Please introduce the rainy season can refer to the following methods to prevent cotton boll rot (peach): 1, scientific fertilization: at present, most of the cultivation is insect-resistant cotton, generally requires a large amount of base fertilizer and bud fertilizer, do not apply flower and boll fertilizer, in order to prevent excessive growth, shade aggravation. It is necessary to control nitrogen and increase phosphorus.
2018-07-18 -
How to manage the rain during the cotton boll opening period?
How to manage the rain during the cotton boll opening period? Do you have any good suggestions? Also ask experienced netizens to help introduce that the rain during the cotton boll opening period is very unfavorable to the normal boll opening of cotton, so the farming network has sorted out five management methods for the rain during the cotton boll opening period, which are listed in detail below for netizens' reference. ...
2018-07-17 -
The latest prevention and control of cotton boll rot
The reason for cotton boll rot is basically due to too many Rain Water in summer and poor ventilation, resulting in a variety of bacteria invading cotton and causing cotton boll disease. Cotton boll rot is the most common disease of cotton boll disease, which occurs more or less every year, which will seriously affect cotton.
2020-11-10 The latest how control cotton rotten boll reason -
Occurrence and Control of Common Boll Diseases in Cotton
Cotton boll disease is a compound disease caused by many diseases, which is often manifested as rotten bolls, which affects not only cotton yield but also cotton quality. The loss caused by rotten bolls amounts to more than 10% of the total output. The common boll diseases in cotton fields in Henan Province are boll blight, anthracnose, red rot, powdery mildew, black fruit and so on. Most of them occur in rainy years in mid-and late-August, especially in days of overcast and rain, when the disease is hot and humid. Symptoms of boll disease boll blight: the disease often occurs in the lower part of the cotton plant and begins to occur at the base, seam or tip of the boll.
2019-01-16 -
Cotton bolls rot should be checked and treated on high temperature and humidity days for planting cotton
At present, cotton is in the flowering and boll opening period, which is the vigorous period of cotton reproduction and growth, the key period of peach growth and yield formation, and the key period of preventing and controlling boll rot. The rainfall from late July to early August this year is abnormally more than normal.
2020-11-08 seed cotton high temperature high humidity need check and cure rotten bell at present -
Prevention and control of "double rot disease" of cotton
Rotten bolls and rotten peaches are common diseases of cotton, which seriously affect the yield and quality of cotton. (1) cause 1. Excessive or late application of nitrogen fertilizer resulted in overgrowth of cotton and closure of field canopy, resulting in weakening of disease resistance of cotton plants. 2. Cotton suffered heavy rain or too much autumn rain in the flower and boll period, excessive humidity in the field and poor drainage, resulting in the breeding and invasion of pathogens. 3. Cotton suffers from red rot, anthracnose and boll blight. (2)
2019-01-16 -
How to prevent and control cotton boll rot
How to prevent and control cotton boll rot
2018-10-26 -
How to prevent cotton boll rot with high temperature and humidity?
How to prevent cotton boll rot with high temperature and humidity? Please introduce the methods of cotton boll rot prevention and control with reference to the following methods: 1. Rational fertilization: increase the application of organic fertilizer and phosphorus and potassium fertilizer, and apply appropriate amount of nitrogen fertilizer to prevent cotton plant growth, reduce cotton field closure, and improve ventilation and light transmission. 2. Timely drainage: for low-lying terrain.
2018-07-18 -
Cotton boll aspergillosis
Symptoms occurred in all cotton areas. It mainly harms cotton bolls. At first, water-immersed yellow-brown spots are produced at the cracks, wormholes, wounds or cracks of cotton bolls, and then yellowish-green or yellow-brown powders are produced, which fill the cracks of cotton bolls, resulting in abnormal cracking of cotton bolls and yellowish-green villous mildew, that is, conidiophores and conidia of pathogens, and the quality of cotton wool is polluted or dry-rot deteriorated to varying degrees. Pathogen AspergillusflavusLink is called Aspergillus flavus and Aspergillu.
2019-01-16 -
Pay attention to the four skillful skills in the management period of cotton planting and boll opening
Cotton boll opening period management to grasp four skillful (skillfully grasping fertilizer and water, skillfully pruning, skillfully picking rotten bolls, skillfully ripening). 1. Skillfully grasp fertilizer and water to promote the movement of nutrients. One is extra-root topdressing. For cotton fields with premature loss of green leaves and early senescence, 50-60 kg urea solution of 1%-2% per mu is used.
2020-11-08 Seed cotton boll opening management catch Siqiao period -
Prevention and control of cotton boll rot
First, poor light, suitable for bacterial infection, diseases are often serious, cotton boll rot is also more serious. According to the type of cotton boll disease, cotton boll rot is caused by many kinds of bacteria. In the rainy years of summer and autumn in the cotton area of our province, the humidity of the cotton field is higher, the closure is heavier, and ventilation accounts for 28.3% of boll disease. Our province rains in late August.
2018-09-10 -
A New Cotton Variety-Lumianyan 15
According to the characteristics of Lumianyan 15, the variety matured early, the whole growth period was 133.5 days, the plant type was medium, tower-shaped, fruit branch flushing, good seedling emergence, fast early development, vigorous and steady growth, concentrated flowering and boll setting, strong boll setting, high fruit branch node position, light rotten boll, thin boll shell, smooth and concentrated boll spitting, high pre-frost flowering rate, oval shape, large and uniform boll, single boll weight 5.84g, lint percentage 40.8%, seed finger 10.4g. Disease resistance: high resistance to cotton bollworm, resistance to Verticillium wilt and good quality.
2019-01-16 -
Skillful management of cotton bolls
Skillful management of cotton bolls
2018-06-30 -
Key points in the management of cotton boll opening period
Key points in the management of cotton boll opening period
2018-09-13 -
Key measures for management of cotton boll opening period
During the boll opening period, high-yield cotton looks precocious and does not senescence prematurely, which requires boll opening in the lower part of the plant, continued flowering in the upper part, and few late buds. The robust growth of cotton, the top fruit branch flat extension, fruit branch length of 20 cm 30 cm, there are 3 buds 4. If the top fruit branch stretches up too long, buds grow, and flowers break too late, it is prosperous and greedy at night.
2018-09-12 -
How to manage the flowering and boll period of planting cotton
Cotton entered the flowering stage from the first ten days of July to the end of August and the beginning of September. The flowering and boll stage is not only the most exuberant period of cotton growth and development, but also the key period to determine the yield. Due to the high temperature this year, the growth process of cotton is generally faster, which gives
2020-11-08 Cotton planting flowering boll period should how management cotton from July