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土壤是病虫害传播的主要媒介,也是病虫繁殖的主要场所。许多病菌、虫卵和害虫都在土壤中生存或越冬,而且其中还常存有杂草种子,因此不论是苗床用土、盆花用土,还是露天圃地,使用前都应彻底消毒。遗憾的是这一措施常被花卉爱好者忽略,以致苗木受害患病,插穗、种子或幼苗霉烂软腐。这里,笔者根据多年的实践和学习,将常用的土壤消毒法归纳于下。一、高温处理 1.日光消毒将配制好的培养土放在清洁的混凝土地面上、木板上或铁皮上,薄
Soil is the main medium for the transmission of pests and diseases and also the main site for the propagation of pests and diseases. Many germs, eggs and pests live in the soil or wintering, and weed seeds are often found in the soil. Therefore, it should be thoroughly disinfected before use, regardless of whether the seedbed is soil, potted soil, or open-air garden. Unfortunately, this measure is often ignored by flower lovers, resulting in seedlings suffering from disease, cuttings, seeds or seedlings mildew rot. Here, the author based on many years of practice and learning, the common soil disinfection method summarized in the next. First, the high temperature treatment 1. Daylight disinfection The prepared culture soil on a clean concrete floor, wood or metal, thin