Planting Technology Lists
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What are the main diseases and insect pests of jasmine? How to prevent and cure?
The main diseases of jasmine are white silk disease, purple striped feather disease, branch blight, insect pests are shell insects, stem borer, red spider, flower bud borer, jasmine leaf borer and so on. The prevention and control methods are as follows: 1. White silk disease (1) the disease is easy to occur under the condition of high temperature and high humidity, so the garden with good ventilation and good drainage should be selected and drainage should be paid attention to in the rainy season.
2019-03-03 -
Cultivation method of jasmine in pot
The main results are as follows: (1) according to the characteristics of good permeability and humid environment of jasmine root system, pot jasmine should be planted in plain mud basin, glaze basin, porcelain basin and so on. There are generally three specifications of plain burning mud basin suitable for planting jasmine: caliber 25cm, 15cm high, and caliber 30cm.
2019-03-03 -
The cultivation method of jasmine: how to preserve jasmine? What if the jasmine only grows branches but does not blossom?
The main results are as follows: (1) Jasmine likes to fertilize the slightly acidic soil with loose soil and good drainage. Generally use 4 parts of pastoral soil, 4 parts of compost soil, 2 parts of river sand or grain bran ash, plus an appropriate amount of fully rotten poultry manure. Can also be self-made culture soil, garden soil and animal and plant raw materials layer by layer of soil in a plastic bag, add Amoy rice water compaction
2019-03-03 -
How to reproduce jasmine
Jasmine is easy to reproduce, generally using cuttage propagation, using old wood and tender wood cuttings. As long as the branches with strong tissue, thick green leaves and no diseases and insect pests are selected as cuttings, cutting is feasible at any time under the condition of air temperature above 20 ℃. April ~ June is the most suitable, May ~ June cutting is the most suitable.
2019-03-03 -
How to prevent tulip blight?
Tulip wilt infects leaves at the early stage of disease, and then infects petals, and seriously infects underground bulbs, causing bulbs to turn yellow and wither, resulting in the death of whole plants. The diseased spots on the leaves and scapes of diseased plants not infected with bulbs will also expand continuously, causing the leaves and scapes to rot and wither.
2019-03-03 -
How do tulips grow in water?
Tulips are also suitable for hydroponic culture, especially for low-temperature treated bulbs, which take a short time from planting to flowering. Hydroponic tulips are well decorated and easy to operate. (1) the diameter of the tulip bulb in the hydroponic container is about 3 to 5 centimeters, and it is best to have a container with a thin middle and two ends wide.
2019-03-03 -
Bacterial leaf spot of green radish
[symptoms] at the initial stage of the disease, water-stained necrotic spots appeared on the green radish leaves, and the later diseased spots gradually turned dark brown, and there were often concentric wheel lines and yellow edges on the diseased spots. after the green pineapple was infected by bacterial leaf spot, the ornamental value decreased greatly. [pathogen and pathogenesis] is a bacterial disease, the pathogen is Pseudomonas chrysanthemum
2019-03-03 -
Prevention and control of main diseases and insect pests of rhododendron
(1) ① brown spot of rhododendron: it is the main disease of rhododendron. At the beginning of the disease, small brown spots appeared on the leaf surface, and then gradually expanded into large dark brown patches, and many black or grayish brown spots were scattered on the disease spot. The damaged leaves turn yellow and fall off easily, which not only affects the flowering of the same year.
2019-03-03 -
Why potted rose flowers die easily in early spring
The reasons for the death of potted rose in early spring are as follows: (1) the winter rose overwintered indoors and could not sleep well because of its high room temperature. by the next spring, before it came out of the room, the leaf buds had already germinated and grown, consuming most of the nutrients stored in the branches. After coming out of the room, the buds can not adapt to the changing climate.
2019-03-03 -
How is it that rose flowers grow leaves instead of branches? Why do rose flowers only grow branches and not blossom?
To sum up, the reasons why rose flowers only grow branches but not blossom can be summarized as follows: (1) the soil is barren or the potted plants have not been changed for a long time, the soil fertility is insufficient, the nutrition is deficient, especially the lack of phosphate fertilizer, which affects the flower bud differentiation, so it can not bloom normally.
2019-03-03