Effect
Increased other
Agri-Fos 400 treated Potato grown in a field with natural infestation of late blight needs a minimum dose of 2.5 g/L to give a level of control equivalent to commonly used conventional contact fungicides, and phosphonate rates above this amount tend to give better control than the conventional fungicides.
Trial details
outdoor, unprotected, soil grown, natural infection of late blight
Kenya & Nepal
Crop
Potato, Solanum tuberosum L.
Trial application
Method
Foliar spray
Timing
Kenya: First treatment at least 30 days after planting, followed by 5 treatments with a 10-days interval; Nepal: First treatment at least 30 days after planting, followed by 5 treatments with a 7-days interval
Rate
Kenya: 1.26 g/L; Nepal: 3.0 g/L
2012
Use of Phosphonate to Manage Foliar Potato Late Blight in Developing Countries
Plant Disease
96
1008-1015
Crop group
