Portal de Periódicos da CAPES

Distributional Occurrence of Weed Species on Different Upland Fields in Chungcheong Region

2009; Volume: 29; Issue: 2 Linguagem: Inglês

0253-7648

Bong-Su Choi, Duk-Young Song, Jae-Hwan Roh, Yeon-Chung Ku, Chul-Won Lee,

Ecology and Conservation Studies

The weed survey was conducted at upland fields in Chungcheong region of Korea. Weed species identified in Chungcheong regions were totally 124 species of 36 families, including Asteraceae of 25 species, Poaceae of 16 species, Cyperaceae of 7 species and Brassicaceae of 7 species. 107 weed species of 33 families were identified in Chungcheongnam-do and 97 weed species from 34 families were identified in Chungcheongbuk-do. Digitaria ciliaris was shown most frequently among weed species, followed by Acalypha australis, Mazus pumilus, Cyperus iria, and Erigeron annuus. And weed species of dominant density were Digitaria ciliaris, Echinochloa crus-galli, Cyperus iria, Centipeda minima, and Acalypha australis in Chungcheong region. Weed species in food crops were identified more than other cultivated crops. Although the place number of survey in food crops is smaller than horticultural crops which of the cultivated crops. Weed species identified in each cultivated crops were 105 species from 32 families on food crops, 94 species from 33 families on horticultural crops, 29 species from 81 families on industrial crops and 27 species from 87 families on fruit farms.