EVALUATION OF WEED DENSITY, DIVERSITY AND STRUCTURE IN IRRIGATED WHEAT FIELDS IN DIFFERENT CLIMATES OF IRAN

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MOTAGHI SAMANEH; AKBARI GHOLAM ALI; MINBASHI MEHDI; ALLAHDADI IRAJ; ZAND ESKANDAR

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Journal: JOURNAL OF AGROECOLOGY (کشاورزی بوم شناختی) Year:2013 | Volume:3 | Issue:2 Page(s): 15-34

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Title

EVALUATION OF WEED DENSITY, DIVERSITY AND STRUCTURE IN IRRIGATED WHEAT FIELDS IN DIFFERENT CLIMATES OF IRAN

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Keywords

ABUNDANCEQ3

DIVERSITYQ3

SHANNON-VIENER INDEXQ3

SPECIES RICHNESSQ3

WHEATQ2

Abstract

In order to study weed density and dominance in irrigated WHEAT fields, 4126 fields were investigated in seven climatic zones (according to the Cilianinov method).496 weed species from 42 families have been observed within these fields. Slightly semi-arid, humid, semi-humid, mean semi-arid, highly semi-arid, arid and absolutely arid climates had the highest density and mean, slightly and highly semi-arid, humid, semi-humid, arid and absolutely arid climates had the highest DIVERSITY (according to the SHANNON-VIENER INDEX), respectively. Among 496 recorded species, 280 species belonged to five major families; Asteraceae, Poaceae, Fabaceae, Brassicaceae and Caryophyllaceae with 76, 69, 67, 44 and 24 species, respectively: These families had the highest DIVERSITY in irrigated WHEAT fields of Iran. Bindweed (Convolvulus arvensis) and wild oat (Avena ludoviciana) had the greatest ABUNDANCE at 81.9 and 59.9 percent, respectively. In addition, these two weeds have been recognized as assertive and ascendant weeds, respectively. Mean, slightly and highly semi-arid, humid, semi- humid, arid, and absolutely arid climates had the first to sixth ranks on the weed SPECIES RICHNESS measurement. According to the results, mean semi-arid with highly and slightly semi-arid climates and mean semi-arid with arid climates had the highest and lowest species similarity on the base of the Sorenson index, respectively.

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APA: Copy

MOTAGHI, SAMANEH, AKBARI, GHOLAM ALI, MINBASHI, MEHDI, ALLAHDADI, IRAJ, & ZAND, ESKANDAR. (2013). EVALUATION OF WEED DENSITY, DIVERSITY AND STRUCTURE IN IRRIGATED WHEAT FIELDS IN DIFFERENT CLIMATES OF IRAN. JOURNAL OF AGROECOLOGY (کشاورزی بوم شناختی), 3(2), 15-34. SID. https://sid.ir/paper/254735/en

Vancouver: Copy

MOTAGHI SAMANEH, AKBARI GHOLAM ALI, MINBASHI MEHDI, ALLAHDADI IRAJ, ZAND ESKANDAR. EVALUATION OF WEED DENSITY, DIVERSITY AND STRUCTURE IN IRRIGATED WHEAT FIELDS IN DIFFERENT CLIMATES OF IRAN. JOURNAL OF AGROECOLOGY (کشاورزی بوم شناختی)[Internet]. 2013;3(2):15-34. Available from: https://sid.ir/paper/254735/en

IEEE: Copy

SAMANEH MOTAGHI, GHOLAM ALI AKBARI, MEHDI MINBASHI, IRAJ ALLAHDADI, and ESKANDAR ZAND, “EVALUATION OF WEED DENSITY, DIVERSITY AND STRUCTURE IN IRRIGATED WHEAT FIELDS IN DIFFERENT CLIMATES OF IRAN,” JOURNAL OF AGROECOLOGY (کشاورزی بوم شناختی), vol. 3, no. 2, pp. 15–34, 2013, [Online]. Available: https://sid.ir/paper/254735/en

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