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Paper Information

Journal:   IRANIAN JOURNAL OF WEED SCIENCE   2008 , Volume 4 , Number 2; Page(s) 69 To 78.
 
Paper: 

A MODEL FOR MULTIPLE WEED COMPETITION OF COMMON COCKLEBUR AND REDROOT PIGWEED IN SOYBEAN

 
 
Author(s):  YOUSEFI ALIREZA, ALIZADEH HASSAN, BAGHESTANI MOHAMMAD ALI, RAHIMIAN HAMID
 
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Abstract: 
The presence of weed in soybean is a serious threat to crop yield. Little research has addressed multiple weed species interference in soybean. Field experiments were conducted at the Research Farm of University of Tehran, Karaj, Iran, during the growing season of 2007 and 2008 to determine the influence of density of single and multispecies populations of common cocklebur and redroot pigweed on soybean yield and competitive abilities of weeds. Common cocklebur and redroot pigweed seeds were sown concurrently with soybean and established at selected density within 15 cm on either side of soybean row. The experimental design was factorial based on randomized complete block design with three replications. Results showed that soybean grain yield was significantly affected by weed competition. Soybean yield loss due to competition was 86% and 70% in first and second experiment, respectively. Soybean yield was affected more by common cocklebur than by redroot pigweed. Common cocklebur at a density of 2.3 (in 2007) and 6.25 (in 2008) plants per m-1 of row reduced soybean yield by 50%. In contrast, same reduction in soybean yield from redroot pigweed was obtained at density of 5.9 and 12.1 in 2007 and 2008, respectively. Competitive effect of common cocklebur was equivalent with 2.37 and 1.91 plant of redroot pigweed density in 2007 and 2008, respectively.
 
Keyword(s): MULTIPLE WEED SPECIES INTERFERENCE, COMMON COCKLEBUR, REDROOT PIGWEED
 
 
References: 
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Citations: 
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APA: Copy

YOUSEFI, A., & ALIZADEH, H., & BAGHESTANI, M., & RAHIMIAN, H. (2008). A MODEL FOR MULTIPLE WEED COMPETITION OF COMMON COCKLEBUR AND REDROOT PIGWEED IN SOYBEAN. IRANIAN JOURNAL OF WEED SCIENCE, 4(2), 69-78. https://www.sid.ir/en/journal/ViewPaper.aspx?id=276454



Vancouver: Copy

YOUSEFI ALIREZA, ALIZADEH HASSAN, BAGHESTANI MOHAMMAD ALI, RAHIMIAN HAMID. A MODEL FOR MULTIPLE WEED COMPETITION OF COMMON COCKLEBUR AND REDROOT PIGWEED IN SOYBEAN. IRANIAN JOURNAL OF WEED SCIENCE. 2008 [cited 2021July30];4(2):69-78. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=276454



IEEE: Copy

YOUSEFI, A., ALIZADEH, H., BAGHESTANI, M., RAHIMIAN, H., 2008. A MODEL FOR MULTIPLE WEED COMPETITION OF COMMON COCKLEBUR AND REDROOT PIGWEED IN SOYBEAN. IRANIAN JOURNAL OF WEED SCIENCE, [online] 4(2), pp.69-78. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=276454.



 
 
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