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Paper Information

Title: 

IDENTIFICATION OF WHEAT (TRITICUM AESTIVUM) FIELDS WEEDS AFTER HARVESTING IN YAZD PROVINCE

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

IDENTIFICATION OF DOMINANT WEED SPECIES OF WHEAT FARMS IS VERY IMPORTANT IN WEED MANAGEMENT. TO EVALUATE WHEAT FIELDS WEEDS AFTER HARVESTING IN MAJOR WHEAT PRODUCING FIELDS IN YAZD PROVINCE (ABARKUH, HERAT, MARWAST, CHAHAK, BAHABAD AND TABAS) A SURVEY WERE CONDUCTED DURING 2008-2009. IN EACH AREA WHEAT SAMPLES WERE SIEVED AND WEED SEEDS WERE ISOLATED AND IDENTIFIED BY USING IDENTIFICATION KEY. BASED ON THE RESULTS OF THIS STUDY, 35 SPECIES OF WEED SEEDS BELONGING TO 13 FAMILIES WERE IDENTIFIED. THE HIGHEST WEED POPULATION SPECIES WERE OBSERVED IN THE POACEAE FAMILY WITH 13 SPECIES. AMONG THE WEED SPECIES IDENTIFIED AMONG THEM, POACEAE FAMILY HAD THE HIGHEST SPECIES WITH TEN SPECIES. DOMINANT SPECIES IN THIS FAMILY WERE WERE LOLIUM RIGIDUM L. AMARANTHUS RETROFLEXUS L., POLYGONUM AVICULARE L., PHALARIS MINOR RETZ. CARDARIA DRABA L., CONVOLVULUS ARVENSIS L. RESPECTIUVELY. AND WERE MOST ABUNDANT RESPECTIVELY. THIS EXPERIMENT SHOWED THAT 71 PERCENT OF SPECIES WERE BROAD LEAF, AND GRASSES WERE 29 PERCENT, 74 PERCENT WAS ANNUAL SPECIES AND THE REST WERE BIENNIAL & PERENNIAL.

 
Keyword(s): IDENTIFICATION, SEED, WEED, WHEAT
 
 
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