The Bell pepper, Capsicum annuum L., is very important vegetable crop in terms of popularity and market value, for example in Mexico the annual production is around 1,733,900 ton and in Israel around 170,000 ton annually. This vegetable is a member of the Solanaceae Family and it is a native of South America. Peppers are grown mainly for the fresh market in different colors like: Green, Red, and Yellow in different shape, size and in taste.
In the past all the Bell Pepper were grown in the open field and the yield and quality were low. To have better yield and quality there were allot of improvements in the varieties and in the way of growing. Instead of growing in open field growers started to grow inside greenhouses and shade houses and the yield and quality rise up. Today Bell Pepper is grown in open field, in light shade houses with Black nets of 30% or 40% shade, in Anti Insect houses with 40 mesh or 50 mesh and in Greenhouses. There is very good results for growing Pepper under Red net with 30% shade or 40% shade regards yield and quality.
The optimum temperature for growing Bell Pepper is 25°C during the day and during the night is 17°C, The optimum humidity percentage is 60% and the optimum amount of light is 1,000 µE to 1,200 µE.