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Breeding on a new cultivar of golden Flammulina velutipes 'Auram'

황금색 팽이 신품종 '아람' 육성

  • Im, Ji-Hoon (Mushroom Research Division, National Institute of Horticultural & Herbal Science, RDA) ;
  • Jang, Kab-Yeul (Mushroom Research Division, National Institute of Horticultural & Herbal Science, RDA) ;
  • Oh, Youn-Lee (Mushroom Research Division, National Institute of Horticultural & Herbal Science, RDA) ;
  • Oh, MinJi (Mushroom Research Division, National Institute of Horticultural & Herbal Science, RDA) ;
  • Raman, Jegadeesh (Mushroom Research Division, National Institute of Horticultural & Herbal Science, RDA) ;
  • Kong, Won-Sik (Mushroom Research Division, National Institute of Horticultural & Herbal Science, RDA)
  • 임지훈 (농촌진흥청 국립원예특작과학원 버섯과) ;
  • 장갑열 (농촌진흥청 국립원예특작과학원 버섯과) ;
  • 오연이 (농촌진흥청 국립원예특작과학원 버섯과) ;
  • 오민지 (농촌진흥청 국립원예특작과학원 버섯과) ;
  • ;
  • 공원식 (농촌진흥청 국립원예특작과학원 버섯과)
  • Received : 2019.12.10
  • Accepted : 2019.12.18
  • Published : 2019.12.31

Abstract

Flammulina velutipes, known as winter mushroom or Enokitake, is an important edible mushroom in Korea. In 2017, approximately 28,000 tons of this mushroom were produced in Korea, putting its output at the third place, behind the oyster and king oyster mushrooms. Despite its high production, F. velutipes has the lowest distribution rate of domestic cultivars, estimated to be about 28 percent. To increase the income of farms and provide more options to consumers, we developed a new golden domestic cultivar 'Auram'. 'Auram' was bred by mating two monokaryotic strains isolated from ASI 4103 and ASI 4111. Auram has bright golden, hemispheric shaped caps, and light brown stipes, making it strikingly different from the control. The optimum mycelial growth temperature was 25℃, but Auram mostly displayed higher mycelial growth than the control in a wide range of temperatures. The yield of Auram (257.4 ± 13.5 g) was high, and the period of fruit body growth was also a couple of days ahead in bottle cultivation, compared with the control. Auram received a more favorable evaluation from farms and distributors than the control for its appearance, because the fruit body of Auram had an attractive golden color, and the spotted cap often seen in the control was not observed.

팽이의 신품종을 개발하기 위하여 모균주 ASI 4103과 4111으로부터 포자를 수집하여 단핵균주를 얻고 이들의 교잡을 통해서 꺽쇠연결체가 확인된 교잡주 총 36점을 선발하였다. 교잡주를 대상으로 3회에 걸쳐 재배시험 결과, 수량이 우수하고 생육후기에도 갓이 피지 않는 황금색 우량계통 'Fv15a31'을 최종선발하였으며, 생산력검정 시험을 통해 2018년에 농작물 직무육성 품종 심의회를 통과했고 2019년에 '아람'이란 명칭으로 출원하였다. 주요특성은 갓 색깔이 황금색이고 대는 연한갈색이며, 갓 모양은 안으로 더 말린 반구형으로 대조품종과 형태적으로 차이를 보인다. 균사배양 최적온도는 25℃이며, 대조품종에 비해 여러 온도범위에서 아람의 균사력이 우수하였다. 또한 자실체 수량은 병당(1,100 ml) 237.7±9.54 g으로 대조품종보다 높았고 버섯발생이 2일 빨랐다. 갓에 반점이 없어 외관상 대조품종보다 품질이 우수하였다. 대치배양과 유전적 다형성 검정 결과, 아람이 다른 갈색 및 백색품종들과 유전적으로 구별되는 것을 확인하였다.

Keywords

References

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