Bicepsia is one of the most important diseases in pepper seedlings. It is often caused by uncomfortable temperature and humidity during nursery period, and it is caused by extensive management. When the disease is severe, it often causes seedlings to fall flat and die. In addition to the disease, it is harmful to the vegetables of the solanaceae family. Melon, lettuce, celery, cabbage, cabbage, radish, onion and other vegetable seedlings can all be harmed. At the beginning of the disease, only a few seedlings developed on the seedbeds. After a few days, they gradually spread outward and spread out, eventually causing the seedlings to fall to death.

On April 1st, when technicians of the Agricultural Technology Center investigated the diseases and insect pests in greenhouses in Benbutu Town, it was found that some of the pepper seedlings had occurrence of damping-off disease in varying degrees. Insufficient illumination and relatively high humidity nursery sheds occur more severely and the incidence rate is about 20-30%.

Prevention advice:

1. Choose a plot with a high topography, convenient drainage, and no pathogens. The disease-free new soil was selected and the fertilizer was cooked.

2. Strengthen the seedbed management and see if the seedlings are released properly in due time. Avoid low temperature and high humidity conditions. Do not water on rainy days. According to the local requirements, we choose to use the resistance to the disease.

3. When the disease occurs, 99% of hymexazol or Dupont can kill 3000 to control the spray.

PC Board Venlo Greenhouse

Venlo structure is a popular one at present. This architecture uses horizontal girder as main bearer, forming a stable structure with columns. There is consolidation between horizontal girder and column, and hinge is used to connect column and foundation.
In Venlo greenhouse, foundation is made of reinforced concrete and the side wall is made of brick or reinforced concrete plate. The steel frame always use hot dip galvanized light steel. Roof beam adopts horizontal girder structure and using herringbone connection. The horizontal girder bears 2 or more roofs, which is made of aluminum alloy. This material is used as roof structure material and also glass inlay material. Other beams using gutter style to minimize the section. Delighting material of the roof and side wall using the hollow double-layer or multilayer PC board.
PC board is mainly made of PC/PET/PMMA/PP materials, it need sun screen coating to resist ultraviolet resist and ageing, and it is also required to be anti condensation and antidrug.
As a kind of light material, use PC board can greatly reduce the weight of greenhouse structure, and corresponding reduced the size of the steel frame, which saving the cost of steel.

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JIANGSU SKYPLAN GREENHOUSE TECHNOLOGY CO.,LTD , https://www.skyplantgreenhouse.com