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Pronamide Applied to Sunflower Seeds for Orobanche cumana Control

Published online by Cambridge University Press:  20 January 2017

Jorge Díaz-Sanchez*
Affiliation:
INIA-CRI, Carillanca, Chile
Montserrat Jurado-Expósito
Affiliation:
Institute for Sustainable Agriculture, CSIC, Apdo. 4084, 14080-Córdoba, Spain
Francisca López-Granados
Affiliation:
Institute for Sustainable Agriculture, CSIC, Apdo. 4084, 14080-Córdoba, Spain
Mercedes Castejón-Muñoz
Affiliation:
Institute for Sustainable Agriculture, CSIC, Apdo. 4084, 14080-Córdoba, Spain
Luis García-Torres
Affiliation:
Institute for Sustainable Agriculture, CSIC, Apdo. 4084, 14080-Córdoba, Spain
*
Corresponding author's E-mail: cs9disaj@uco.es

Abstract

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.

Type
Research
Copyright
Copyright © Weed Science Society of America 

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References

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