Paper Information

Title: 

THE EFFECT OF WILD MUSTARD (SINAPIS ARVENSIS L.) PLANT DENSITY ON GROWTH INDICS OF CANOLA (BRASSICA NAPUS) AT DIFFERENT NITROGEN AMOUNTS

Type: PAPER
Author(s): SOLEYMANI FATEMEH,SAADATIAN BIJAN,AHMADVAND GOUDARZ
 
 
 
Name of Seminar: IRANIAN WEED SCIENCE CONGRESS
Type of Seminar:  CONGRESS
Sponsor:  ANKOMANE OLOME ALAFHAYE HARZE IRAN
Date:  2010Volume 3
 
 
Abstract: 

IN ORDER TO GROWTH ANALYSIS OF CANOLA (OCAPI CV) IN COMPETITION WITH WILD MUSTARD IN DIFFERENT AMOUNTS OF NITROGEN A SPLIT PLOT TRIAL BASED ON A RANDOMIZED COMPLETE BLOCK DESIGN WITH THREE REPLICATIONS WAS CARRIED OUT AT AGRICULTURAL FACULITY OF BU-ALI SINA UNIVERSITY, IN 2008-2009. EXPERIMENTAL TREATMENTS WERE AMOUNTS OF NITROGEN (100, 150, 200 AND 250 KGNHA-1) AS MAIN PLOTS AND PLANT DENSITIES OF WILD MUSTARD (0, 4, 8, 16 AND 32 PLANTS M-2) AS SUB PLOTS. THE RESULTS SHOWED THAT BY INCREASING WEED PLANT DENSITY, LEAF AREA INDEX, CROP GROWTH RATE AND TOTAL DRY MATTER OF CANOLA WERE DECREASED. INCREASING NITROGEN, CAUSED INCREASE OF LEAF AREA INDEX. AT ALL NITROGEN LEVELS, INCREASING WILD MUSTARD PLANT DENSITY DECREASED CGR, SO THAT THE LOWEST CGR WAS OBTAINED IN 32 PLANTS M-2 AND 100 KGNHA-1. USING 250 KGNHA-1 WITHOUT WILD MUSTARD COMPETITION SHOWED THE HIGHEST LAI, CGR AND TDM OF CANOLA.

 
Keyword(s): COMPETITION, WILD MUSTARD, CANOLA, NITROGEN
 
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