Korean Journal of Plant Taxonomy (식물분류학회지)

The Korean Society of Plant Taxonomists (한국식물분류학회)
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Identification of Echinochloa oryzicola (Vasinger) Vasinger and E. oryzoides (Ard.) Fritsch in Korea

한국 벼과식물 논피와 나도논피의 분류학적 실체

  • 이정란 (국립농업과학원 작물보호과) ;
  • 김창석 (국립농업과학원 작물보호과) ;
  • 이인용 (국립농업과학원 작물보호과)
  • Received : 2012.09.17
  • Accepted : 2013.03.13
  • Published : 2013.03.29
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Abstract

Echinochloa oryzoides (Ard.) Fritsch (Na-do-non-pee), was found at paddy fields of Jeonranamdo on a large scale after a first discovery at Masan, Kyeongsangnamdo. This species was not easily distinguished from rice before flowering at the paddy field because of a similar morphology to rice. It is, however, distinguished from other species of the Korean Echinochloa by reliable morphological characters such as horizontal or drooping panicles at maturity, lower glumes with usually 1/4-2/5 as long as the spikelets, awned lower lemmas, and the number of chromosomes, 2n = 54. Echinochloa oryzicola (Vasinger) Vasinger was distinguished from E. oryzoides by erect panicles, lower glumes with at least 1/2 as long as the spikelets, and the number of chromosomes, 2n = 36.

경남 마산에서 한반도 미기록 벼과식물인 Echinochloa oryzoides (Ard.) Fritsch를 발견하였다. 본 종은 논피와 마찬가지로 주로 논에서 발견되어 출수전에는 형태적으로 벼와 비슷하여 구별이 어려우나 원추화서는 아래로 처지고 소수가 논피보다 드믈게 달리며 제1포영은 소수의 1/4-2/5 정도이고 일정하게 1 cm 이상의 긴 까락을 가지고 있다. 염색체 수는 2n = 54이다. 국명은 식물체가 논피와 비슷하고 논에서 발견되는 점을 고려하여 '나도논피'로 신칭하였다. 근연종인 논피는 원추화서가 직립하고 제1포영은 소수의 반 이상이며 제1 호영은 까락이 없거나 짧은 까락이 불규칙하게 달린 점이 나도논피와 구별된다. 염색체 수는 2n = 36이다. 논피의 학명은 E. oryzicola (Vasinger) Vasinger로 정정하였다.

Keywords

References

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