在大棚温室生产中,有效预防蔬菜病害,适当采取些栽培措施,会有效遏止常发病害的发生。笔者根据多年调查研究与实践,总结出以下“十字”防病关键要点,以供参考:1.壮苗壮苗一般叶厚色深、节短茎粗、苗龄适宜、花芽分化合理。定植后缓苗快,根系发达,营养生长和生殖生长协调,对各种不良环境有较强的适应性,生 Greenhouse production in the greenhouse, the effective prevention of vegetable diseases, appropriate measures to take some cultivation, will effectively stop the occurrence of common diseases. The author based on years of investigation and practice, summed up the following “Cross ” key points for disease prevention for reference: 1. Strong seedling strong seedling generally dark thick color, short stalk thick, suitable age, flower bud differentiation is reasonable. Huanmiao fast colonization, developed roots, vegetative and reproductive growth coordination, a variety of adverse environment has strong adaptability, Health