前言菠菜是藜科一、二年生蔬菜,原产小亚细亚和中亚细亚,汉时传入我国,栽培历史悠久。由于其营养丰富,耐寒力强,越冬时外叶损失少;供应期长,所以现已成为我国南北各地春、秋、冬三季栽培的重要蔬菜,而且在解决早春淡季供应方面占有重要地位。但是在生产上,由于对采种技术重视 Introduction spinach is Chenopodiaceae, biennial vegetables, origin Asia Minor and Central Asia, Han came into our country, cultivation has a long history. Because of its nutrient-rich, cold-resistant and strong, less loss of outer leaves during winter; the supply period is long, so it has become an important vegetable cultivated in spring, autumn and winter in all parts of North and South China, and occupies an important position in the supply of early spring off-season. However, in the production, due to the importance of seed collection technology