Mulberry white peony is one of the important diseases and pests of kiwifruit in the fall. Due to the small body size of the kiwifruit, extra care must be taken to prevent it.
Control methods
1. Strengthen plant quarantine to prevent the spread of seedlings and scions.
2, agricultural control. 1 Use a stiff brush or a fine wire brush to gently brush off the scale insects on the dendrobium; 2 cut away pests and branches to improve the ventilation and light transmission conditions.
3, biological control. The main natural enemies of mulberry white lice are red dot ladybird worms and Japanese hornbills. Care should be taken in the use of selective drugs.
4, chemical control. The nymphs were dispersed and transferred (July to September) and sprayed with 25% of eucalyptus net emulsion 1000 times liquid plus 0.1% detergent powder, or 40% speed cull EC 1000 times.
Glass Venlo Greenhouse is Spire-type glass design, design and installation of windows when more convenient and easy. Its roof slope andle can be appropriately according to the local real climate change the environment.
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 4 mm thick float glass.
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