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品种选择洋桔梗分为单瓣和重瓣两大类。通常欧洲和日本切花市场单瓣品种较受欢迎,而美国市场偏爱重瓣品种。对颜色的喜好各国市场亦有不同,欧洲市场最主要的颜色为深蓝色,而白色镶蓝边的品种最能博得日本顾客的青睐。四、病虫害及病毒病害虫害洋桔梗受虫害一般不是很严重,但会受到蚜虫、鳞翅目幼虫、蓟马科害虫以及桔黄粉虱和潜叶蛾的侵害。爆发性的蚋或蠓虫幼虫,将对种苗生产带来灾难性的影响。全面监控有利于防止虫害大规模发生,在初发期喷药比较容易控
Eustoma species selection is divided into single and double petals two categories. Commonly, the single-lover varieties in the European and Japanese cut flower markets are more popular, while the US market prefers the double-lover varieties. The preference for color varies from country to market. The most important color in European market is dark blue, while the white inlaid with blue margin is the most popular among Japanese customers. Four, pests and diseases and virus pests Eustoma is generally not very serious pests, but will be aphids, lepidopteran larvae, thrips branch pests and orange whitefly and leaf moth damage. Outbreaks of larvae or pinworm larvae have a devastating effect on seed production. Comprehensive monitoring is conducive to preventing pests from occurring on a large scale. It is easier to control spraying during the initial period