生菜上的Septoria

 生菜上的Septoria

Charles Cook

了解这种疾病的主要特征以及如何防治。

疾病

Septoria lactucae Pass S. intybi Pass e S. endiviae Thuemen .

特点

由真菌引起的疾病,在炎热和潮湿的气候下加重,首先影响到罗马和冰山品种。

生物周期

真菌在冬季 "冬眠 "在受感染植物的残留物(种子和作物残体)上。 这些子实体是皮膜,肉眼可见,当环境潮湿和温暖时(湿度高,温度在20-25˚C之间),在皮膜的上部有大量的孢子(cirrus),只有在有水时才会释放。 最容易接受的叶片是老一点的。

更加敏感的植物

生菜、菊苣和苣荬菜。

See_also: 关于东方芥末的一切

损伤/症状

最初,在老叶(叶面)上观察到小的、不规则的(圆环形的)萎缩斑点(5毫米)。 几天后,斑点增大,变干,扩大,达到7-8毫米。 这些坏死区呈同心状。 在严重感染的地区,斑点联合起来,形成大的坏死。 借助于放大镜,我们可以观察菌丝花序,它是黑色的球状结构。 植物可能会枯萎、干枯和死亡。

See_also: 马斯德瓦利亚,小奇迹

生物控制

预防/农业方面

使用健康的种子;4年以上的轮作:更多的抗病品种;通过焚烧销毁受感染的植物;不要喷水;纠正植物的营养缺陷;用47-48˚C之间的温度处理种子,持续30分钟;每天监测植物;莴苣潮湿时避免在田里工作。

生物杀虫剂

硫酸铜

照片:Pedro Rau

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Charles Cook

Charles Cook is a passionate horticulturist, blogger, and avid plant lover, dedicated to sharing his knowledge and love for gardens, plants, and decoration. With over two decades of experience in the field, Charles has honed his expertise and turned his passion into a career.Growing up on a farm, surrounded by lush greenery, Charles developed a deep appreciation for nature's beauty from an early age. He would spend hours exploring the vast fields and tending to various plants, nurturing a love for gardening that would follow him throughout his life.After graduating with a degree in horticulture from a prestigious university, Charles embarked on his professional journey, working in various botanical gardens and nurseries. This invaluable hands-on experience allowed him to gain a deep understanding of different plant species, their unique requirements, and the art of landscape design.Recognizing the power of online platforms, Charles decided to start his blog, offering a virtual space for fellow garden enthusiasts to gather, learn, and find inspiration. His engaging and informative blog, filled with captivating videos, helpful tips, and the latest news, has garnered a loyal following from gardeners of all levels.Charles believes that a garden is not just a collection of plants, but a living, breathing sanctuary that can bring joy, tranquility, and connection to nature. Heendeavors to unravel the secrets of successful gardening, providing practical advice on plant care, design principles, and innovative decoration ideas.Beyond his blog, Charles frequently collaborates with gardening professionals, participates in workshops and conferences, and even contributes articles to prominent gardening publications. His passion for gardens and plants knows no bounds, and he tirelessly seeks to expand his knowledge, always striving to bring fresh and exciting content to his readers.Through his blog, Charles aims to inspire and encourage others to unlock their own green thumbs, believing that anyone can create a beautiful, thriving garden with the right guidance and a sprinkle of creativity. His warm and genuine writing style, coupled with his wealth of expertise, ensures that readers will be enthralled and empowered to embark on their own garden adventures.When Charles isn't busy tending to his own garden or sharing his expertise online, he enjoys exploring botanical gardens around the world, capturing the beauty of flora through his camera lens. With a deep-rooted commitment to nature conservation, he actively advocates for sustainable gardening practices, cultivating an appreciation for the fragile ecosystem we inhabit.Charles Cook, a true plant aficionado, invites you to join him on a journey of discovery, as he opens the doors to the captivatingworld of gardens, plants, and decoration through his captivating blog and enchanting videos.