Paper Information

Journal:   IRANIAN JOURNAL OF PLANT PATHOLOGY   July 2002 , Volume 38 , Number 1-2; Page(s) 83 To 96.
 
Paper: 

EVALUATION OF COMPETITIVE ABILITY SOME WEED SPECIES WITH SOYBEAN

 
 
Author(s):  SADEGHI HOSSEIN, BAGHESTANI MEYBODI M.A., AKBARI GHOLAM ALI
 
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Abstract: 

In order to evaluate competitive ability of soybean with weeds, in 1999-2000 an experiment was conducted in Karaj weed experimental station in a randomized complet block design with 5 treatments [Red root pigweed, Velvetleaf, barnyargrass and common lambs quarters] plus control (soybean without weed) and 4 replications per treatment. Results of analysis of variance indicated significant difference between weed treatments. So that soybean yield, number of pods per plant, number of branches, chlorophyll content in soybean leaves and percentage of radiation interpenetration within soybean canopy varied under different treatments. Velvetleaf, red root pigweed, barnyard grass and common lambs quarters had respectively the most negative effects on soybean yield.

 
Keyword(s): SOYBEAN, WEED, COMPETITION, REDROOT PIGWEED, VELVETLEAF, BARNYARGRASS, COMMON LAMB'S QUARTERS
 
References: 
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