-
What are the control methods for the tobacco pear psyllid?
How to control the tobacco pear psyllid? The occurrence characteristics of the pear psyllid are many generations. The adult emergence period is long and generations overlap. Especially from late June to early July, the nymphs secrete a large amount of mucus, causing a large number of fallen leaves, which not only seriously affects tree vigor, but also reduces pear fruit quality, and it is difficult to control with general pesticides. Use tob...
-
Key Technical Points and Methods for Summer Management of Nectarines
How to manage nectarines well in summer? Please give guidance. Summer nectarine management can refer to the following methods: 1. Control excessive shoot growth to prevent orchard canopy closure. Nectarines have strong branching ability and readily produce secondary even tertiary shoots; in addition, nectarine trees are vigorous, especially with excessive vegetative growth before fruiting. A large number of shoots plus excessive growth...
-
Summer Management Methods and Technical Key Points for Young Peach Trees
How to manage young peach trees well in summer? Please provide guidance. Strengthening summer management of young peach trees can accelerate the development of a good tree shape, increase nutrient accumulation, promote flower bud differentiation, and achieve the goal of early high-quality and high-yield production in the peach orchard. 1. Summer care: mainly through techniques such as removing sprouts, pinching, twisting shoots, cutting shoots, bending branches...
-
A Detailed Guide to the Cultivation Techniques and Growing Methods of the Chinese Medicinal Herb Atractylodes macrocephala
Cultivation Techniques 1. Raising Seedlings (1) Preparing the Seedbed One month before sowing Atractylodes macrocephala, turn the soil, cover it with a 30 cm thick layer of weeds, and burn the soil to disinfect it and prevent pests and diseases. Immediately after burning, turn the grass ash into the soil. If the soil is not to be burned, it can be turned in the previous winter so that the soil is fully weathered by freezing. The land...
-
Detailed Guide to Harvest Time and Processing Methods of Licorice
Key technical measures for high-yield cultivation: choose fertile, loose-textured, well-drained sandy loam soil for planting. Treat seeds before sowing to improve germination rate, water during the seedling stage to keep seedlings alive, and apply sufficient phosphorus and potassium fertilizer every early spring. Harvest and processing 1. Harvest: Licorice propagated by seed generally grows for 4...
-
What are the control methods for lotus root rot?
How do you control rot when growing lotus root? Please give an introduction. Lotus root rot, commonly called stalk rot, mainly damages the underground stem, and the leaves and stalks can also be affected. Affected leaves form green wilt-colored patches along the leaf margins and curl downward, then the whole leaf turns brown, and the leaf stalk shrivels and dies from top to bottom. When it occurs severely, the whole field turns a withered yellow, caus...
-
What are some practical methods to prevent onion rot in summer?
How do you prevent onion rot in summer? Onion rot in summer is mainly caused by the following factors: 1. Rot caused by diseases. The diseases that commonly affect onions are: soft rot (a bacterial disease) and stem rot (a fungal disease). The control methods are: 1. Pay attention to crop rotation, and avoid continuous cropping with scallion and garlic crops...
-
What are the control methods for onion viral disease?
How do you control onion viral disease? Please advise. The main onion diseases include yellow dwarf disease (viral disease), downy mildew, soft rot, gray mold and purple blotch. In recent years, onion viral disease has been a major disease in production. 1. Symptoms: it can occur during the seedling stage and the plant growth stage. After the plant is infected, the leaves become twisted, ...
-
What are the control methods for onion soft rot?
How do you control onion soft rot? Please provide guidance. Onion soft rot can be controlled by referring to the following methods: 1. Early-stage control (1) Seedling preparation: choose disease-resistant varieties for raising seedlings in the nursery, eliminate diseased and weak seedlings, and cultivate healthy and strong seedlings. (2) Crop rotation selection: choose plots with good ventilation and light transmission, with relatively good previous crops such as corn and wheat; avoid continuous cropping, carrot stubble, and stubble of Liliaceae vegetables such as garlic, and try to avoid stubble such as autumn cabbage and potato that easily leaves soil-borne disease residues. (3) High-ridge planting: in areas where conditions permit, ridge planting is recommended, with onions transplanted on high beds, which can reduce waterlogging and lower the chance of pathogen infection. (4) Strengthen field management: timely cultivation and weeding, increase soil temperature, promote onion development, and help the onion population resist invasion and infection by soft rot pathogens.
-
What are the control methods for onion anthracnose?
What control methods are there for onion anthracnose? Please introduce them. Onion anthracnose can be controlled by referring to the following methods: (1) Agricultural measures. In severely affected fields, rotate with non-allium crops and cultivate disease-resistant varieties. (2) Chemical control. Spray fungicides at the early stage of disease onset and before the rainy season. You can use 25% Shibaike emulsifiable concentrate at 1000 times dilution, or 50% prochloraz manganese salt (Shibaogong) wettable powder at 1500 times dilution...
条件筛选