Paper Information

Title: 

EFFECT OF SPLIT NITROGEN APPLICATION AND HERBICIDE ON WILD OAT (AVENA LUDOVICIAN) CONTROL IN WHEAT (TRITICUM AESTIVUM)

Type: PAPER
Author(s): SHEIBANI S.,GHADIRI H.
 
 
 
Name of Seminar: IRANIAN WEED SCIENCE CONGRESS
Type of Seminar:  CONGRESS
Sponsor:  ANKOMANE OLOME ALAFHAYE HARZE IRAN
Date:  2010Volume 3
 
 
Abstract: 

A FIELD STUDY WAS CONDUCTED TO INVESTIGATE THE EFFECT OF SPLIT NITROGEN APPLICATION AND AND TWO HERBICIDES, SOLFOSULFURON (75% WG) AND MESOMAX+UDO SOULFURON METHYL SODIUM (6% WG) TO CONTROL WILD OAT (AVENA LUDOVICIANA) IN WHEAT (TRITICUM AESTIVUM) AT KUSHKAK EXPERIMENTAL STATION OF COLLEGE OF AGRICULTURE, SHIRAZ UNIVERSITY, IN 2005. THE EXPERIMENTAL DESIGN WAS SPLIT PLOT WITH FOUR REPLICATES. MAIN FACTOR CONSISTED OF NITROGEN TIMING AND SPLITTING: WITHOUT NITROGEN [0, 0, 0], [0, , ], [0, 1, 0], [½, ½, 0], AND SUB FACTORS CONSISTED OF TWO HERBICIDES, SOLFOSULFURON (75% WG) AND MESOMAX+UDO SOULFURON METHYL SODIUM (6% WG). TWO CONTROL TREATMENTS, WEEDY AND WEED FREE WERE USED. RESULTS SHOWED THAT MESOMAX+UDO SOULFURON METHYL SODIUM CONTROLLED WILD OAT BUT DIDN’T CONTROL WILD BARLEY. THE BEST NITROGEN TREATMENT WAS [½, ½, 0]. THIS TREATMENT HAD MAXIMUM SEED YIELD, BIOLOGICAL YIELD, AND LAI. PLOTS THAT RESAVED SOLFOSULFURON WITH NITROGEN TREATMENT [0, 1, 0] HAD THE HIGHEST WILD OAT DRY WEIGHT THAT HAD NO SIGNIFICANT DIFFERENCE WITH WEEDY PLOTS WITH NITROGEN TREATMENT [0, , ].

 
Keyword(s): ACTIVE INGREDIENT, BIOLOGICAL YIELD, SEED YIELD, LAI
 
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