Common diseases of cotton: what is the general disease of cotton bolls? Prevention and treatment of Cotton Boll Melanosis
Do you know what diseases there will be in the process of cotton planting? The following is for you to accept the most common cotton boll blackening disease. Do you know this disease? What is the condition of cotton suffering from this disease? There are some aspects of prevention and control, let's take a look.
Symptoms: the diseased cotton bolls initially show dark brown rot, gradually dry and harden, and produce many black dots and black powdery matter on the cotton bolls.
Prevention and control methods seed disinfection:
1. After cotton harvest: embossing the seed cotton and applying methane bromide for fumigation and disinfection. Every 1000 cubic feet, two pounds of methane bromide can be used to fumigate cottonseeds. Fumigation time, 16 to 24 hours, to kill red bollworm lurking in cottonseed.
two。 Before sowing: cotton seeds 1 kg, add 65% dichloromethoxy benzene wettable powder 8 grams, add water about 15 grams, and must be evenly stirred, dry after sowing.
You already know the symptoms and control methods of this disease in cotton, and then you will know what to do in the process of growing cotton.
- Prev
How to prevent and cure organophosphorus pesticide poisoning, arsenic compound and zinc poisoning in chickens
How to prevent organophosphorus, arsenic and zinc poisoning in chickens? How do these three substances cause poisoning? Is it the pesticides? Do you want to know? The three poisons mentioned above are caused by group breeding due to their common use as pesticides and rodenticides
- Next
Can persimmon be eaten with astringency? How to remove the astringency of dried persimmon?
Can persimmon be eaten with astringency? How to remove the astringency of dried persimmon? It can be eaten, persimmon in the process of eating there will be a astringent taste, then how to do it will not have this taste? What are the methods for removing astringency? In fact, the speed of persimmon astringency is not only related to the variety of persimmon
Related
- What do the flower language and meaning of Lutheran tree mean? Precautions for planting Lutheran tree
- Encounter Chaoshan Kongfu tea, not without this cup of Phoenix single clump
- The durian market in Vietnam and Thailand is flooded. The price of imported durian has plummeted by 30-40% in a month.
- Shanghai solved the problem of local vegetable supply by planting 80,000 mu of green leafy vegetables.
- Wageningen University has become the best agricultural university in the world for the seventh time in a row.
- The strongest export season of South African grapes is full of challenges, with exports to Russia falling sharply by 21%.
- Sri Lanka is on the verge of bankruptcy, "Tea for debt" Organic Agriculture Revolution aggravates the Food crisis?
- Turning waste into earthworm manure and worm manure into organic fertilizer-A new choice for auxiliary farming
- Organic rice growers shoulder the responsibility of nurturing agricultural talents! Yinchuan Sustainable Farm with Organic Life Camp
- Tunnel planting of Yuniu Little Tomato in greenhouse doubles yield and saves labor