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Paper Information

Title: 

THE ALLELOPATHY EFFECTS OF CANOLA WATER EXTRACT ON GERMINATION PROPERTIES AND SEEDLING GROWTH OF WEEDS AND CROPS

Type: PAPER
Author(s): MANDANI FARZAD,GHOLZARDI FARID,AHMADVAND GHUDARZ,SARABI VAHID,NIROUMAND SEYYED MEHDI
 
 
 
Name of Seminar: IRANIAN WEED SCIENCE CONGRESS
Type of Seminar:  CONGRESS
Sponsor:  ANKOMANE OLOME ALAFHAYE HARZE IRAN
Date:  2010Volume 3
 
 
Abstract: 

IN ORDER TO DETERMINE ALLELOPATHIC EFFECTS OF WATER EXTRACT OF CANOLA RESIDUES ON GERMINATION TRAITS OF CORN, WHEAT, BARLEY AND REDROOT PIGWEED, GIANT FOXTAIL AND WILD RADISH SEEDS, A FACTORIAL EXPERIMENT BASED ON A COMPLETELY RANDOMIZED DESIGN WITH THREE REPLICATIONS WAS CONDUCTED IN 2006 AT AGRICULTURAL FACULTY OF HAMEDAN. TREATMENTS WERE THREE TYPES OF WATER EXTRACT OF CANOLA (SHOOT, ROOT AND SHOOT+ROOT) AND FIVE CONCENTRATIONS (0, 25, 50, 75 AND 100 PERCENTAGE) OF EXTRACTS. THE RESULTS SHOWED THAT, CANOLA WATER EXTRACT DID NOT HAVE ANY ALLELOPATHIC EFFECTS ON CORN GERMINATION PROPERTIES BUT IT HAD NEGATIVE EFFECTS ON REDROOT PIGWEED AND GIANT FOXTAIL. REDROOT PIGWEED ROOT LENGTH AND SEEDLING TOTAL DRY WEIGHT WERE THE MOST SENSITIVE TRAITS. CANOLA ROOT WATER EXTRACT SHOWED THE MOST ALLELOPATHIC EFFECTS ON WEEDS GERMINATION AND SEEDLING GROWTH. WATER EXTRACT OF CANOLA HAD INHIBITOR ALLELOPATHIC EFFECTS ON GERMINATION AND GROWTH TRAITS OF WILD RADISH. THE GERMINATION PERCENTAGE, SHOOT / ROOT RATIO, ROOT LENGTH AND SEEDLING DRY WEIGHT OF WILD RADISH DECREASED WITH INCREASING CONCENTRATION CANOLA EXTRACT. ROOT LENGTH AND SEEDLING DRY WEIGHT OF THIS WEED SHOWED THE MOST SENSITIVITY TO CANOLA EXTRACT. THE WATER EXTRACT OF CANOLA RESIDUES DID NOT HAVE ANY ALLELOPATHIC EFFECT ON WHEAT, UNLIKE BARLEY. SO THAT ROOT LENGTH AND SEEDLING DRY WEIGHT OF BARLEY SHOWED THE MOST SENSITIVE TO CANOLA EXTRACT.

 
Keyword(s): ALLELOPATHY, CROP, GERMINATION PROPERTIES AND WEED
 
 
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