STUDY ON POPULATION INDICES AND MAPPING OF WEEDS IN CORN FIELDS OF KERMANSHAH PROVINCE

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KHAMISABADI RAHIM; MINBASHI MOEINI MEHDI; SHIRANIRAD AMIR HOSSIEN

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Journal: JOURNAL OF AGROECOLOGY (کشاورزی بوم شناختی) Year:2013 | Volume:3 | Issue:2 Page(s): 1-14

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Title

STUDY ON POPULATION INDICES AND MAPPING OF WEEDS IN CORN FIELDS OF KERMANSHAH PROVINCE

Author(s)

KHAMISABADI RAHIM | MINBASHI MOEINI MEHDI | SHIRANIRAD AMIR HOSSIEN | Issue Writer Certificate

Keywords

GEOGRAPHIC INFORMATION SYSTEM (GIS)Q2

POPULATION INDICESQ3

SPECIES DIVERSITYQ3

SPECIES EVENNESSQ2

DENSITYQ3

Abstract

Understanding how a weed community is affected by ecological, agronomic and management factors is one of the most effective ways to control and establish management programs for each crop. In order to conduct weed mapping and study the weed POPULATION INDICES of weeds in corn fields of Kermanshah Province, 48 corn fields in different cities based on planting area were selected for sampling during 2010. After sampling the weeds based on standard methods, the weed POPULATION INDICES based on equations were calculated. Using geographic coordinates of field and weed data, a map for each weed species using GIS was produced. To evaluate the similarity of different cities of the province for weed SPECIES DIVERSITY and evenness, the cluster analysis method was used. The results showed that the dominant broadleaf weed species of Kermanshah Province were redroot pigweed (Amarunthus retroflexus), common lambsquarters (Chenopodium album), field bindweed (Convolvulus arvensis), Chinese lantern (Physalis alkekengi) and common purslane (Portulaca oleracea), respectively. The dominant grass weeds of Kermanshah Province were green foxtail (Setaria viridis), Johnson grass (Sorghum halepens) and barnyardgrass (Echinochloa crus-galli), respectively. Phytosociological studies on weeds in corn fields showed that, according to the Shannon-Wiener diversity index, Kermanshah’s cities were grouped into three clusters. Comparisons performed using the t-test showed that the diversity of cities of the province also have significant differences. The results of the Simpson similarity index showed that Ghasreshirin and Guilan-e-Gharb had the most common species (SQ=0.82), while Kerend City along with Ghasreshirin and Guilan-e-Gharb had no common weed species with the lowest similarity. Based on similarities and differences derived from weeds of corn fields in different cities, population parameters for the management of weeds in corn fields were developed and implemented using the same recipes.

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APA: Copy

KHAMISABADI, RAHIM, MINBASHI MOEINI, MEHDI, & SHIRANIRAD, AMIR HOSSIEN. (2013). STUDY ON POPULATION INDICES AND MAPPING OF WEEDS IN CORN FIELDS OF KERMANSHAH PROVINCE. JOURNAL OF AGROECOLOGY (کشاورزی بوم شناختی), 3(2), 1-14. SID. https://sid.ir/paper/254731/en

Vancouver: Copy

KHAMISABADI RAHIM, MINBASHI MOEINI MEHDI, SHIRANIRAD AMIR HOSSIEN. STUDY ON POPULATION INDICES AND MAPPING OF WEEDS IN CORN FIELDS OF KERMANSHAH PROVINCE. JOURNAL OF AGROECOLOGY (کشاورزی بوم شناختی)[Internet]. 2013;3(2):1-14. Available from: https://sid.ir/paper/254731/en

IEEE: Copy

RAHIM KHAMISABADI, MEHDI MINBASHI MOEINI, and AMIR HOSSIEN SHIRANIRAD, “STUDY ON POPULATION INDICES AND MAPPING OF WEEDS IN CORN FIELDS OF KERMANSHAH PROVINCE,” JOURNAL OF AGROECOLOGY (کشاورزی بوم شناختی), vol. 3, no. 2, pp. 1–14, 2013, [Online]. Available: https://sid.ir/paper/254731/en

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