Paper Information

Title: 

DETERMINING CONTAMINATION OF WHEAT BASIC AND CERTIFIED SEED TO WEED SEEDS AND PRESENTATION OF THE NECESSARY STANDARDS

Type: PAPER
Author(s): SALIMI H.,HAMIDI A.,BAGHESTANI M.A.
 
 
 
Name of Seminar: IRANIAN WEED SCIENCE CONGRESS
Type of Seminar:  CONGRESS
Sponsor:  ANKOMANE OLOME ALAFHAYE HARZE IRAN
Date:  2010Volume 3
 
 
Abstract: 

ONE OF THE WAYS OF VARIOUS CROPS SUCH AS WHEAT FIELDS CONTAMINATION BY WEEDS IS PLANTING SEEDS CONTAMINATED BY WEEDS SEEDS. STUDY OF SEED PRODUCTION FIELDS AND BASIC AND CERTIFIED SEEDS CONTAMINATION BY WEEDS SEEDS SITUATION AND SEED CLEANING EQUIPMENTS QUALITY CONTROL HELP TO PREPARATION RESPONSIBLE AND SUITABLE MANAGEMENT PATTERNS. BY CLEANING OF CONTAMINATED WHEAT SEEDS TO THOSE WEEDS SEEDS, ANY OF THOSE NOT EXISTED IN CLEANED SEED SAMPLES. PERHAPS, OPTIMUM QUALITY CLEANING EQUIPMENTS IN DISCARD OF WEED SEEDS EFFECTIVE AND THEREFORE USE OF INTACT CLEANING EQUIPMENTS RECOMMENDABLE. ALSO BY CLEANING OF BASIC AND CERTIFIED WHEAT SEEDS SAMPLES OF GOLESTAN AND KHOZESTAN PROVINCES, DULL-SEED CORNBIND (POLYGONUM CONVOLVULUS) AND WILD MALLOW (MALVA SYLVESTRIS) SEEDS WHICH IN THOSE PROVINCES IMPORTANT AND INCONVENIENCE WEEDS RESPECTIVELY, NOT DISCARDED AND BECAUSE WHEAT SEEDS EXPORTED FROM THOSE PROVINCES TO OTHER PROVINCES, USE OF INTACT CLEANING EQUIPMENTS AND ALSO NATIVE QUARANTINE PROVISIONS OBSERVANCE AMONG PROVINCES RECOMMENDED. AMONG STUDIED PROVINCES AFTER CLEANING WHEAT SAMPLES, KERMANSHAH AND GOLESTAN PROVINCES SEED SAMPLES HAVE MOST WEED SEEDS CONTAMINATION, SPECIALLY NOXIOUS WEEDS SEEDS. ON THE ONE HAND THIS CONTAMINATION CAUSE, LOW QUALITY OF SEED CLEANING EQUIPMENT OPERATION, BECAUSE INCAPABLE FOR DISCARD OF SMALL SEED WEEDS LIKE AS DULLSEED CORNBIND (POLYGONUM CONVOLVULUS) FROM WHEAT SEEDS AND OTHER HAND WERE RELATED TO CONTAMINATION OF BASIC AND CERTIFIED SEED PRODUCTION FIELDS TO LARG SEED NOXIOUS WEEDS LIKE AS WILD OAT (AVENA SP.), COMMON BIND WEED (CONVOLVULUS ARVENSIS), COMMON LICORICE (GLYCERRHIZA GLABRA) AND WILD MALLOW (MALVA SYLVESTRIS) FRUITS.

 
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