Tainong Seeds has been providing commercial growers with the highest yielding Chinese vegetable seeds for 30 years. We specialize in popular Chinese vegetables including Gailan, Yu Choy Sum, Baby Bok Choy, Napa and many other Asian vegetable varieties.
Alternaria brassicae, A. brassicicola
Most crucifer plants are susceptible to Alternaria leaf spot and plants at all growth stages may be affected. Symptoms caused by the two pathogens are very similar and both may be found on the same plant. Infection of seedling stems may result in damping-off or stunted plants.
The Guide is divided into three sections. The first section provides cultural information and management practices for a number of important vegetable crop groups. For each family, key pests and disease problems are described. Cultural methods and management practices that will help control each problem are listed, as well as materials that may be recommended for use.
University of Illinois Extension, Purdue Extension, Iowa State University Extension, Kansas State University Research, University of Minnesota Extension, University of Missouri Extension, and Ohio State University Extension