-
What are the pollution-free control methods for rice stem borers?
How are rice stem borers controlled in a pollution-free way? Please explain the control methods. Stem borers are the common name for the rice striped stem borer and the rice yellow stem borer. The rice striped stem borer is distributed throughout the country. Besides damaging rice, the rice striped stem borer also damages wild rice stem, corn, sugarcane, reeds and other grass weeds. After overwintering, some larvae can invade broad...
-
How to safely store wheat seeds through the summer? A few practical methods to teach you
The following teaches you how to safely store wheat seeds through the summer for your reference: From harvest to sowing, wheat seeds must go through a hot and humid summer. Improper storage management during this period will lead to a decline in seed quality, reduce the germination rate, and affect sowing quality. This places high demands on the summer storage of wheat seeds. In wheat seeds...
-
What are the methods for treating autumn-sown wheat seeds?
What methods are there for treating autumn-sown wheat seeds? Please give guidance. Autumn-sown wheat seeds should be treated as follows: 1. Pest control treatment. For wheat underground pests such as mole crickets, white grubs, and wireworms, you can use 0.5 kg of 50% 1605 emulsion, add 50 kg of water, mix with 500 kg of seed, and let it sit for 4-6 hours; or use 75% phoxim...
-
What to Do When Osmanthus Trees Get Leaf Blight? Detailed Guide to Prevention and Control Methods
What propagation methods are there for osmanthus trees? Please advise, thank you. Osmanthus trees have the following propagation methods: 1. Grafting propagation. The rootstock for grafting osmanthus is generally privet (Ligustrum) or Ligustrum obtusifolium; side grafting or approach grafting is mostly used, and in recent years some have experimented with the tear grafting method. Tear grafting is simple to perform, and the survival rate can reach about 93%. The specific method is: on the spring buds...
-
Common Diseases and Control Methods for Osmanthus Tree Cultivation in Guangxi
What diseases should be prevented in osmanthus tree cultivation in Guangxi? What methods can be used to control them? Osmanthus is an excellent landscape tree species that combines greening, beautification and fragrance, with both ornamental and practical value. It is also a traditional evergreen aromatic plant in China, widely cultivated in many regions. But in recent years, the damage caused by osmanthus pests and diseases has increased, leading to...
-
How to grow an osmanthus tree so it blooms? A complete guide to flower-promoting methods
How do you get an osmanthus tree to bloom? What methods are effective when osmanthus does not bloom. The reasons are excess nitrogen fertilizer, insufficient phosphorus and potassium fertilizer and a lack of trace elements; second, insufficient light; third, improper pruning and shaping. The above are also common problems of potted osmanthus in the north. At present it is exactly the stage of flower bud formation, so phosphorus and potassium should be applied immediately...
-
What methods are there to make osmanthus trees bloom more?
What methods can make osmanthus trees bloom more? Please give guidance on the methods. In addition to applying more phosphorus and potassium fertilizer appropriately throughout the entire growth period, moving the plant indoors to overwinter above 0°C in late autumn, and keeping the potting soil slightly moist, to encourage more blooming and fragrant flowers, the following four points should also be handled well. Choose slightly acidic soil for cultivation...
-
What are the management methods for loquat trees in June and July?
How should loquat trees be managed in June and July? Please advise. The main points for managing loquat trees in June and July are as follows: 1. Continue harvesting and selling the fruit. 2. Apply a heavy post-harvest fertilizer promptly after harvest. Apply it 5-10 days after harvest to replenish the tree's nutrients and promote flower bud differentiation and the sprouting and growth of summer shoots. The N, P, K ratio is generally 3:2:2 with quick-acting fertilizer and high-quality organic fertilizer, generally accounting for 30%; for trees with a heavy crop or weak vigor, more can be applied, accounting for 40-50% of the annual total. 100 jin of decomposed human and animal manure + 1.5 jin of potassium sulfate + 2 jin of calcium-magnesium phosphate fertilizer.
-
What are the methods for controlling pests and diseases of loquat?
What pests and diseases need to be controlled when growing loquat? Please provide an introduction and control methods. The pests and diseases that need to be controlled when growing loquat are: 1. Flower cluster rot. There are many causes of loquat flower cluster rot, but they are mainly due to two aspects: harmful organisms and climate. During the loquat flowering period (September-November), continuous autumn rain and high humidity accelerate the occurrence of flower cluster rot. Especially in the mid-to-late flowering period, the flower axis turns brown, soft and rotten, appearing mushy. When the diseased part is squeezed by hand, a viscous liquid flows out, and in the later stage the flower axis shrinks, dries up and appears wilted.
-
How to prevent and control apple canker in summer? These methods must be mastered
How to prevent and control apple canker in summer? Please introduce the methods. In the prevention and control of apple tree canker, for many years attention has been paid to spring control while summer and autumn control has been neglected, resulting in a high recurrence rate of the disease and making it impossible to eradicate completely. However, according to the occurrence pattern of canker, changing the single spring scraping and chemical treatment to mainly summer and autumn control, combined with spring control...
条件筛选