Weed & Turfgrass Science

The Korean Society of Weed Science & The Turfgrass Society of Korea Archive (한국잡초학회 & 한국잔디학회)
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Weed Flora and Management Practices in Peach Orchard Fields in Korea

  • Jia, WeiQiang (Department of Crop Science, Chungnam National University) ;
  • Hwang, Ki Seon (Department of Crop Science, Chungnam National University) ;
  • Won, Ok Jae (Department of Crop Science, Chungnam National University) ;
  • Lee, In-Yong (National Institute of Agricultural Science,RDA) ;
  • Lee, Jeongran (National Institute of Agricultural Science,RDA) ;
  • Roh, Suk-Won (National Institute of Crop Science, RDA) ;
  • Park, Kee Woong (Department of Crop Science, Chungnam National University)
  • Received : 2017.05.08
  • Accepted : 2017.06.22
  • Published : 2017.06.30
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Abstract

This study was carried out two surveys in 2015 to monitor weed occurrence and determine the most troublesome weeds in peach orchards of Korea. The first survey identified 56 taxa belonging to 23 families including 27 annuals, 11 biennials, and 18 perennials. Based on importance values, Conyza canadensis (5.12%), Plantago asiatica (4.17%), and Trifolium repens (3.86%) were the dominant weeds in the first survey (from April to June). Seventeen exotic weeds were identified in the first survey, including Conyza canadensis, Trifolium repens, and Chenopodium ficifolium. The second survey (from September to October) identified 42 weeds belonging to 19 families including 23 annuals, 5 biennials, and 14 perennials. According to importance values, Digitaria ciliaris (8.00%) was the most dominant weed, followed by Echinochloa utilis (6.61%) and Rorippa palustris (6.48%). There were 12 exotic weeds, including Taraxacum officinale, Rumex crispus, and Trifolium repens. Additionally, according to Braun-Blanquet's scale showed that the dominance value was level 1 (41.98% and 46.43%, respectively) in two surveys. Currently, 40% of the total surveyed peach orchards applied herbicides for weed control. These results could provide basic data to assist orchardists in selecting the most suitable weed management methods; thereby, reducing labor inputs and effectively lowering costs while improving fruit yields in peach orchards of Korea.

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References

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