-
Which diseases need to be prevented and controlled in cotton cultivation?
What diseases need to be prevented and controlled when growing cotton? Please give an introduction. Cotton has different diseases at each stage of growth. The following introduces the diseases at the cotton seedling stage and their prevention and control for reference: 1. Seedling stage disease - damping-off (seedling death). After cotton seedlings emerge, yellow-brown lesions appear at the base of the stem (where it meets the soil surface),...
-
Common Pests and Diseases of Shatang Mandarin in August: Prevention and Control, and Cultivation Techniques
What pests and diseases affect Shatang mandarin in August? Here is an introduction and guidance on prevention and control methods. August is the period from summer shoot growth to autumn shoot sprouting for Shatang mandarin, so pests and diseases occur more frequently. The main pests are: rust mites, red wax scale, citrus leafminer, citrus flatheaded borer, and longhorn beetles; the main diseases are: citrus canker and foot rot; for detailed prevention and control methods, see...
-
How to prevent fruit cracking in Shatang mandarin? Key points of planting technology
How to prevent fruit cracking in Shatang mandarin? What good methods are there to prevent Shatang mandarin fruit cracking? Please give an introduction. The methods for preventing and controlling Shatang mandarin fruit cracking can refer to the following list: 1. Apply less phosphate fertilizer, increase the application of potassium, fertilizer, and farmyard manure. From late July to early August, dig 30-40 cm deep holes on both sides of the canopy of bearing trees, and apply human...
-
How to prevent and control Angelica rust? Detailed explanation of control methods
How to control cutworms in Angelica? Please advise. Cutworms, also known as "soil silkworms" or "black soil silkworms", belong to the order Lepidoptera, family Noctuidae. The main cutworms affecting Angelica are the black cutworm and the yellow cutworm, and their damage conditions and control measures are the same. 1. Damage situation: The larvae damage Angelica seedlings, hiding by day and emerging at night; in the young larval stage they mostly feed on tender leaves...
-
How to prevent and control weeds during autumn radish cultivation?
How to prevent weeds when growing autumn radish? Please explain the methods. Late August to early September is the sowing period for autumn and winter radish. After emergence, radish grows slowly in the early stage, and the seedlings are small, making them vulnerable to weed damage. Especially in weather with frequent autumn rain, the amount of weed emergence and growth is large, which can severely inhibit the growth and development of radish, so it should...
-
Effective methods to prevent premature aging in the late growth stage of cotton
How to prevent premature aging in the late stage of cotton? Here are the methods. The internal cause of premature aging in the late stage of cotton is that after cotton growth enters August, the demand for nutrients among roots, stems, leaves, and bolls comes into fierce competition, leading to an imbalance between nutrient supply and demand; the external cause is insufficient water and fertilizer in the cotton field in the late stage, such as phosphorus deficiency or...
-
How to prevent fruit cracking when planting pomegranate trees?
The pomegranates are almost ripe now, but quite a few have cracked. Is there any way to prevent pomegranate fruit cracking? I hope friends can share methods. To prevent pomegranate fruit cracking, you can refer to the following methods (for reference): 1. Plant crack-resistant varieties: this is the fundamental measure to prevent fruit cracking, and priority should be given to this when growing pomegranates...
-
How to prevent and control pests and diseases after bamboo fungus cultivation is flooded
How to prevent and control pests and diseases after bamboo fungus cultivation is flooded? Please give guidance. The pathogens that commonly occur in bamboo fungus cultivation after flooding: slime molds, sooty mold fungi; pests: slugs, termites, mites, etc. The control methods are introduced below for mushroom growers' reference. 1. Slime molds occur on the exposed soil of the bamboo fungus bed or on the covering rice straw. In the early stage they are sticky...
-
How to prevent and control boll shedding in cotton during high temperatures?
How to prevent and control boll shedding in cotton during high temperatures? Please introduce control methods. Boll shedding in cotton during high temperatures can be prevented and controlled by referring to the following methods: 1. Apply heavy boll fertilizer. Boll fertilizer is generally applied in 2-3 applications. The first and second applications are made at flowering and about 10 days after flowering. Quick-acting nitrogen fertilizer can be applied as a top dressing at 10-15 kg per mu, potassium...
-
What are the methods for preventing and treating rose rot?
How do you bud-graft roses? An introduction to the bud-grafting method for roses can refer to the following: 1. Variety selection: choose traditional superior varieties, such as Gansu "Kushui Rose", Shandong "Pingyin Rose", Beijing "Miaofengshan Rose", etc. (traditional roses bloom once in late spring and early summer), or choose recent...
条件筛选