Planting Technology Lists
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Integrated control techniques of summer rhododendron flower disease
In addition to the "big flower rhododendron", there are other varieties of rhododendron, such as Japanese rhododendron, Belgian rhododendron and so on. The former is Oriental rhododendron, while the latter belongs to rhododendron, which is suitable for potted plants, but if the daily frost is not properly planted and neglected.
2018-10-21 -
Summer shading can prevent peony leaf diseases
Proper shading in summer can prolong the effective growth period of tree peony, reduce leaf diseases and autumn occurrence, which is beneficial to the growth of tree peony.
2018-10-21 -
Prevention and control of diseases and insect pests of cherry blossoms and management techniques in summer and autumn
1, disease control leaf blight ① remove and burn diseased leaves, spray Bordeaux solution before germination; ② sprays 65% Dessen zinc wettable powder 500x liquid from May to June, spraying soil every 7 to 10 days, continuously spraying 2 times 3 times. ① strengthens cultivation management of brown spot to create good ventilation and light transmission conditions.
2018-10-21 -
Control of common diseases and insect pests of sweet-scented osmanthus
1. Leaf spot disease: it mainly harms the leaves, with brown spots at first, round or irregular spots, gray to grayish white in the center, reddish brown on the edges, and black-gray mildew on the spots. High temperature and humidity are often the inducement of the disease, which is spread by wind and rain and infected, and the condition decreases after October.
2018-10-21 -
Identification and control of orchid anthracnose
Anthracnose occurs in all areas where orchids are cultivated in China. When the disease is serious, it not only affects the normal growth of orchids, but also leads to the death of whole leaves. Anthracnose not only harms spring orchid, cymbidium, cymbidium and other terrestrial orchids (i.e. Chinese orchids, orchids for short), but also harms epiphytic orchids such as tiger orchid and broadleaf orchid
2018-10-21 -
Occurrence and Control of Leaf spot of Carnation (Carnation)
Carnation, also known as carnation and carnation, is easily infected with leaf spot disease, affecting its growth and development and reducing the yield and quality of fresh cut flowers.
2018-10-21 -
Main Diseases of Orchid and its Control measures
Orchid anthracnose is an important disease of orchids. At the initial stage of the disease, the leaves produced round, dark brown disease spots, and then gradually expanded with dark brown edges, gray-white center, and disease spots easily broken. When it occurs seriously, the disease spots are numerous and the leaves are withered and yellow. Prevention and control measures: ① cut off diseased leaves, remove diseased bodies, and concentrate on burning.
2018-10-21 -
Key points of prevention and control of rust of Tripterygium
Symptoms: at the beginning of the infected leaves, yellow-green dots appeared on the front of the leaves, gradually enlarged, and the surface was orange-yellow spots. In the middle of June, yellow powdery black spots appeared on the disease spots, that is, sexual spore organs, and yellow powdery spores were produced on the back in the later stage. Rust spores are produced inside, causing damage to pines and cypresses in autumn and winter.
2018-10-21 -
Key points of Prevention and Control of Stem Blight of Carnation
Main points of identification: stem blight of carnation affects the root, stem and leaf sheath of the plant. The diseased part turned brown, the leaves withered and yellowed from bottom to top, the stem dried up in the earth, and the stem pith turned brown and rotten. Occurrence characteristics: the pathogen is fungus. The pathogen overwinters in the soil as chlamydospores or mycelia in diseased remains.
2018-10-21 -
What if Jasmine doesn't blossom?
Potted jasmine sometimes has luxuriant branches and grows well, but it does not blossom or blossoms very little. This is mainly caused by improper maintenance. Generally speaking, jasmine leaves flourish, flowering will be very little (or no flowering), this is experience. First of all, water and fertilizer must be stopped properly.
2018-10-21