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Pronamide Applied to Sunflower Seeds for Orobanche cumana Control
Jorge Díaz-Sanchez, Montserrat Jurado-Expósito, Francisca López-Granados, Mercedes Castejón-Munoz and Luis García-Torres
Vol. 17, No. 2 (Apr. - Jun., 2003), pp. 314-319
Stable URL: http://www.jstor.org/stable/3989315
Page Count: 6
You can always find the topics here!Topics: Herbicides, Coatings, Sunflowers, Sunflower seeds, Seed treatment, Seedling growth, Weed control, Germination, Plants, Crops
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Field and laboratory studies were conducted from 1993 to 1997 to determine the feasibility of controlling nodding broomrape in sunflower by treating crop seeds with pronamide. Soaking sunflower seeds for 5 min in 50% pronamide solution or coating at the equivalent of 2 kg/ha with pronamide did not impair seed germination or seedling growth, and controlled nodding broomrape 49 to 68% and 51 to 77%, respectively, up to 105 d after planting. Studies of the effect of treated sunflower seeds on germination and seedling growth, at several time intervals after the herbicide application (0, 30, 60, and 90 d after treatment [DAT]), were conducted. Soaking with 50% solution or coating at 2 kg/ha reduced seedling growth by 20 and 24% 60 DAT, respectively, compared with the control.
Weed Technology © 2003 Weed Science Society of America