Wheat Environment Wheat is the second most important grain crop produced in South Africa [WA00003] RSA has the potential to produce most of its local wheat requirement, but it doesn't use this potential Problem is more of economic and political character - in 1996 the single channel wheat marketing system was replaced with unprotected competition on the international market (supply and demand determine the price) Industry initiated a levy per ton of wheat milled, which has been used to fund research There are estimated 3800 to 4000 wheat producers in the South Africa.[WA00003] Three distinct wheat production regions: Mediterranean climate, winter rain, spring dryland wheat (planting between mid-April and mid-June) Summer rain, winter / intermediate dryland wheat (planting between mid-May and end of July) Irrigated spring wheat (approximatelly 20% of the total wheat area) Biotic production constraints in production region 1 Stem rust, leaf rust and stripe rust Bollworm Biotic production constraints in production region 2 Russian wheat aphid Stripe rust Take-all Biotic production constraints in production region 3 Fusarium head blight Leaf rust Leaf miner Take-all Information extracted from presentation of Dr. Vicki Tolmay at Wheat for Africa conference: Wheat research in South Africa: Helping farmers grow their crop from CIMMYT, Int. This country is not found in our database or data is not available.