1 / 19

Diseases of Beans and Peas

Diseases of Beans and Peas. Root Rots Fusarium solani f. sp. phaseoli f. sp. pisi. Beans and peas, respectively Soilborne Favored by wet or poorly drained soils Avoid areas with a history of disease Crop rotation Improve drainage Use fungicide-treated seed.

selina
Download Presentation

Diseases of Beans and Peas

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Diseases of Beans and Peas

  2. Root RotsFusarium solani f. sp. phaseolif. sp. pisi Beans and peas, respectively Soilborne Favored by wet or poorly drained soils Avoid areas with a history of disease Crop rotation Improve drainage Use fungicide-treated seed

  3. Root RotsRhizoctonia solani Beans and peas Soilborne Favored by wet or poorly drained soils Avoid areas with a history of disease Crop rotation Improve drainage Use fungicide-treated seed

  4. Web BlightRhizoctonia solani Beans Soilborne Favored by warm temperatures, rain and high humidity

  5. Botrytis Blight (Gray Mold)Botrytis cinerea Beans & English peas Soilborne Windborne spores Favored by cool (68-77F), wet conditions Improve air circulation Avoid excessive fertilization Use fungicides during flowering

  6. Southern Blight Sclerotium rolfsii Beans Soilborne Favored by warm, wet conditions Deep plowing to bury sclerotia Crop rotation Resistant varieties

  7. White Mold (Watery Soft Rot)Sclerotinia sclerotiorum Beans & English peas Soilborne Windborne spores Favored by cool (68-77F), wet conditions Improve air circulation Avoid excessive fertilization Use fungicides during flowering

  8. AnthracnoseColletotrichum lindemuthianum Beans and southern peas Primarily seedborne Can survive on infected crop residues in soil Splash-dispersed Resistant varieties Clean seed Fungicides Crop rotation (2 years between susceptible crops)

  9. Common Bacterial Blight Xanthomonas campestrispv. phaseoli Beans and southern peas Seed-borne Infected crop residue Splashing water Favored by warmer temperatures & high humidity Clean seed Resistant cultivars Crop rotation Copper fungicides (?)

  10. Halo Blight Pseudomonas syringae pv. phaseolicola Seed-borne Splashing water Systemic in the plant Favored by cool, wet weather Beans 5363914 • Clean seed • Resistant varieties • Copper fungicides 5363916

  11. Bean RustUromycesappendiculatus Beans Windborne Favored by warm, humid conditions Resistant varieties Avoid excessive N Sanitation Fungicides

  12. Resources http://lsuagcenter.com/plantdiagnostics http://www.ipmimages.org/ http://www.ipm.ucdavis.edu/ http://vegetablemdonline.ppath.cornell.edu http://edis.ifas.ufl.edu/department_plant_pathology http://laplantpath.wordpress.com http://www.extension.org/

  13. Resources • LSU AgCenter Plant Diagnostic Center • LSU AgCenter Soil Testing & Plant Analysis Lab

More Related