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http://dx.doi.org/10.5660/WTS.2015.4.4.295

Weeds on Rice Paddy Field of Jeonnam Western Region  

Im, Il-Bin (Bio-Plant Environment Research Center)
Im, Bo-Hyeok (Bio-Plant Environment Research Center)
Park, Jea-Hyeon (Bio-Plant Environment Research Center)
Jang, Jeong-Han (Bio-Plant Environment Research Center)
Im, Min-Hyeok (Bio-Plant Environment Research Center)
Lee, In-Yong (Crop Protection Division, National Academy of Agricultural Science, RDA)
Publication Information
Weed & Turfgrass Science / v.4, no.4, 2015 , pp. 295-307 More about this Journal
Abstract
Surveys of weed species in paddy fields were conducted to identify weed occurrence on July 2013. Total 237 sites of paddy fields in 9 City/Gun, Jeonnam Provinces in Korea were investigated. From the survey, 45 weed species in 18 families were identified and classified to 33 annuals and 15 perennials. Based on the occurrence ratio, the most weed species belonged to Poaceae (9 species) and 8 and 4 weed species belonged to Cyperaceae and Scrophulariaceae, respectively. These 21 weed species in the most four families accounted for 46% of total weed occurrence. The most dominant weed species in Korean paddy fields were Echinochloa spp. (18.5%), followed by Monochoria vaginalis (12.3%), Lemna perpusilla (8.2), Eleocharis kuroguwai (5.2%) and Scirpus juncoides (5.2%). The most dominant weed species in machine transplanting paddy fields were Echinochloa spp. (14%), followed by Monochoria vaginalis (12%) and in water seeded rice paddy fields were Echinochloa spp. (25%), followed by Monochoria vaginalis (11%). This information could be useful for estimation of future weed occurrence, weed population dynamics and establishment of weed control methods in paddy fields.
Keywords
Dominance; Paddy weeds; Weed control; Weed occurrence;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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