Disposable Barrier Film / Protective Film
Application: Used to isolate and protect surfaces
Performance Feature: The improved bonding process can be more convenient to stick or tear on the surface of the object,
leaving no residual marks, convenient and economical packaging design, each piece can be torn off for separate use,
each roll up to 1200 pieces.
Size: 10*15cm or 4"*6"
Package:1200pcs/roll,1roll/box,8 boxes/ctn
Colour: Transparent and blue
Storge:Keep dry and room temperature
Disposable Dental Protective Film Dental,Dental Use Protective Film,Medical Protective Film,Protective Film Barrier Film Ningbo Carest Medical Instrument Co.,ltd , https://www.carestmed.com
Diamondback moth and its control technology
1. Injury: Plutella xylostella, also known as Plutella xylostella, P. platyphylla, and P. rapae, is one of the most common and most important pests in Brassica napus, Brassica oleracea, Cauliflower, cabbage, and Cymbidium. The first instar larvae only took the leaf flesh, leaving the epidermis, forming a transparent spot on the leaves that is "open skylight"; 3 to 4 instar larvae can eat the leaves into holes and nicks, and in severe cases the whole leaf is eaten into a net. The pre-growth stage of the crop is concentrated on the leaves and damages the larvae and the grains in the later stage; the old mature larvae enter the soil. Second, the prevention and control technology: rational rotation, to avoid continuous cropping, can reduce the damage; in a convenient place where water is flooded and insulted pest control, unconditional irrigation place with other straw to help the whole surface of the wind to burn against the wind, can burn the insects in the soil蛹 蛹 对 对 åå— åå— åå—; cruciferous crop stalks should be timely and focused on incineration, straw should not be used as a cover crop. Chemical control: spraying Bt emulsion 100 ml/mu water 45 kg + 1.8% eding oil 1500 times before egg hatching period to 2 years old. Can also be sprayed with 5% Ruijin Suspension 2000 times or 1.8% Kudzu Emulsion 2000 times. In addition, 90% crystal trichlorfon 1000 times or 40% omethoate 1000 times or 2.5% deltamethrin 4000 times solution is also effective. The above agents can also treat leaf pests such as aphids, cabbage caterpillars, and cabbage white butterflies.