大棚辣椒疫病发生特点与防治对策

Occurrence and control of Phytophthora Blight of pepper in Greenhouse

蔡甸区大棚辣椒疫病是由疫霉菌侵染所引起的一种真菌性病害。该病害在大棚辣椒苗期、成株期均可发生,直接为害根、茎、叶、果,根茎感病后,造成整株枯死,严重减产减收。近几年,通过系统调查发病情况和田间试验研究,了解该病害在当地发生特点,结合试验结果提出了有效的防控措施。

Phytophthora blight of greenhouse in Caidian district, Wuhan city is a fungal disease caused by Phytophthora （Phytophthora capsici Leonian） infection. The disease can occur at seedling and maturation stages of plants of greenhouse pepper, direct damages roots, stems, leaves and fruit resulting in the dead plant and serious reduction of production. In recent years, through investigating the incidence systematacially and doing field test, the characteristics of this disease in the locality were understood, and the effective prevention and control measures were put forward combing with the test results.