Broadleaf Plantain (Plantago major L.)

It has a fibrous root system with a short taproot. 虽然不常见，但阔叶车前草能够从根碎片中繁殖. The flowers are inconspicuous, but the seed heads are prominent, 紧紧握住的穗状花序延伸到叶子上方(图2).

Broadleaf plantain produces up to 14,000 seeds per plant per year, which remain viable for up to sixty years. 从晚春到初秋，种子在圆筒状的穗状花序上生产. They are dispersed by birds, wind, humans, and 动物s. When the seeds are wet, they become sticky, allowing them to attach to 动物s and machinery, which aids in their dispersal. 当土壤温度上升到50华氏度以上时，它们会在整个生长季节发芽.

This perennial weed regrows from crowns each spring. Sometimes confused with buckhorn plantain (Plantago lanceolata L.)，阔叶车前草有更宽的叶子和更长的花头刺.

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Integrated Pest Man年龄ment Options

预防

• 在园林绿化中使用地膜或景观织物来控制幼苗.
• 在大车前草产生种子之前，通过控制大车前草来减少新种子进入种子库.

机械

• 用手挖掘单株植物，确保尽可能多地去除根部.
• Mowing removes the tips of the leaves, 但是分生组织(生长的地方)离地面较低, 让植物继续生长到成熟，完成其生命周期.

文化

• Raise mower blades to inhibit seed germination. Suggested mower height is 2.5–3 inches for most lawns. 割得太短会削弱草林，让更多的阳光照射到杂草幼苗上.
• 应用0.5磅氮/1000平方英尺每个月的积极生长的草. Distribute applications throughout the growing season.
• 深而不频繁的灌溉活动鼓励草根生长得更深, giving them access to an increased volume of soil, 水, 和营养.
• Turfgrass struggles to grow in compacted soil. 每年(春季或秋季)通气一次可以帮助缓解土壤压实，使条件更有利于草的生长.

生物

• 没有已知的

化学

• Always read and follow pesticide label directions. 确保大车前草被列为一种杂草，由你使用的除草剂产品控制.
• 确保你选择的产品标签上注明了你的预期用途.
• 因为许多除草剂具有显著的土壤活性或在较高温度下易挥发, be careful applying herbicides near, 甚至在, the root zone of nontarget plants like trees, 灌木, and vegetable gardens.
• 房主可以购买的草坪推荐产品通常含有以下一种或多种有效成分,4-D, MCPP(丙酸), 2甲4氯, 麦草畏, triclopyr, carfentrazone, sulfentrazone, 和quinclorac. 使用含有多种活性成分的产品通常更有效. 这些产品的一些例子包括Weed B Gon Max, Trimec, Triplet等. Make sure that the product you use contains 2,4-D, 因为它是防治大车前草最有效的方法. 在非草皮景观中，用草甘膦产品进行现场处理是有效的.

健康y desirable vegetation is the best weed preventer. 首先，采取文化管理措施，保持健康的景观或草坪. Limit areas of bare soil by maintaining a healthy lawn, covering areas between landscape plants with mulch, 砾石, or other soil-covering products, and utilize efficient irrigation man年龄ment practices. 其次，在杂草产生种子之前，使用机械或化学方法控制杂草. 最好的杂草控制程序始终使用多种控制方法.

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Additional Reading

Broadleaf Plantain (Michigan State University): http://www.canr.msu.edu/resources/broadleaf_plantain

Broadleaf Plantain (Utah State University 扩展): http://extension.usu.edu/pests/ipm/turf-pest-guide/w_broadleaf-plantain.

北内华达州房主识别和管理阔叶大蕉指南(内华达大学里诺分校): http://extension.unr.edu/4h/pub.aspx?PubID=3370.

俄亥俄州多年生和两年生杂草指南:阔叶大车前草(车前草专业)(俄亥俄州立大学): http://weedguide.cfaes.osu.edu/singlerecord.asp?id=110.

杂草: Plantain (Broadleaf, Buckhorn): Plantago spp. (Washington State University 扩展): http://hortsense.cahnrs.威诺娜州立大学.edu/Search/MainMenuWithFactSheet.aspx?CategoryId = 6&ProblemId = 2007.

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关于 the Authors

贾斯汀孵化—扩展 Educator, University of Idaho, Caribou County

Bracken Henderson——富兰克林县bet365亚洲官网推广教育工作者

罗恩·帕特森——博纳维尔县bet365亚洲官网推广教育工作者

Disclaimer

始终阅读并遵循农药标签上的说明. 本UI出版物中的农药建议不能代替标签上的说明. 农药法律和标签经常发生变化，自本出版物撰写以来可能已经发生了变化. 一些农药可能已被撤回或某些用途已被禁止. Use pesticides with care. Do not use a pesticide unless the specific plant, 动物, 或者其他应用站点在标签上特别列出. 将农药保存在原来的容器中，并放在儿童接触不到的地方, 宠物, 和牲畜.

贸易名称—To simplify information, trade names have been used. 没有指定产品的认可，也不是对未提及的类似产品的批评暗示.

地下水—To protect ground水, when there is a choice of pesticides, 涂抹者应该使用最不容易浸出的产品.

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