FLOWER RESEARCH JOURNAL (화훼연구)

The Korean Society for Floricultural Science (한국화훼학회)
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Growth, Flowering, and Ripening Seed Characteristics of Mammillaria goldii, M. theresae, and M. pseudopectinata

선인장 Mammillaria goldii, M. theresae와 M. pseudopectinata의 생육, 개화 및 종자형성 특성

  • 송천영 (한국농수산대학 화훼학과) ;
  • 이동철 (신천지 선인장) ;
  • 박인태 (경기도농업기술원 선인장연구소) ;
  • 박화순 (경기도농업기술원 선인장연구소) ;
  • 홍승민 (경기도농업기술원 선인장연구소)
  • Received : 2009.11.12
  • Accepted : 2009.12.22
  • Published : 2009.12.31

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Abstract

This experiment was conducted to investigate the propagation system by seed to check growth, flowering, and making seed of three-year-old cactus of potted Mammillaria goldii. M. theresae, and M. pseudopeclinata. Plant height and width of them was 2.5~2.8 cm, and 2.8~3.1 cm, and seed formation of Mammillaria goldii and M. theresae had internal body taking130 to 135 days to ripening seeds, however, M. pseudopectinata had externals taking just 26 days to ripening seeds. The mean seeded pod from April to June of M. goldii was 50.0% and the number of seeds in a pod was 25.3. In M. theresae, the mean seeded pod from April to June was 57.3% and the number of seeds in a pod was 35.0. However, the highest rate of seeded pod on May of M. pseudopectinata was 75.0% and the number of seed in a pod was 66.0. The sib crossing was much more ripening seed fertilization than that of self cross ing in the Mammillaria. The self crossing was formed from 12.0% to 20.0% of seeded pod, from 12.0 to 16.0 number of seed in a pod. However, sib crossing obtained 58.0% of seeded pod, 30 seeds in a pod of M. goldii, 65.0% seeded pods and 40 seeds in a pod of M. theresae, and 75.0% seeded pod, 68 seeds in a pod of M. pseudopectinala as the highest of them.

Mammillaria goldii, M. theresae와 M. pseudopectinala의 생장 특성 및 종자 번식 체계를 확립하기위하여 2년생 실생을 온실에 정식한 후 11개월에 생육 및 개화조사를 하고 시기별 자가 수분 및 형매 수정에 따른 착과율 및 협당 종자수를 조사하였다. Mammillaria goldii, M. theresae와 M. pseudopectinata의 식물체의 높이는 2.5~2.8 cm이고 식물체의 직경은 2.8~3.1 cm이었고, 부드럽고 작은 가시가 있었다. Mammillaria goldii와 M. theresae는 체내수정을 하고 M. pseudopectinala는 체외수정을 한다. Mammillaria goldii의 화색은 진분홍이고 M. theresae는 분홍색, M. pseudopectinala는 분홍색이었고, 화경은 5.0~6.2 cm 정도 되었다. 개화 시기는 4월에서 6월이었고, 5월의 개화수는 5개 정도이고 개화기간은 3일정도 되었다. Mammillaria goldii의 착과율은 50.0%, 꼬투리당 종자수는 25.3개이고, M. theresae는 57.3%, 꼬투리당 종자수는 35.0개이고, M. pseudopectinala는 69.0%, 꼬투리당 종자수는 62.0개이다. 시기별로는 5월의 결실율 및 꼬투리당 종자수가 기장 많고, 다음에는 6월과 4월이 많았다. 특히 M. pseudopectinala의 5월의 착과율은 75%로 가장 높았고 꼬투리당 종자수도 68개로 기장 많았다. M. goldii의 자가 수정의 착과율은 16%, 꼬투리당 종자수는 13개이고, 형매수정의 착과율은 58%, 꼬투리당 종자수는 30개이었다. M. pseudopeclinala의 자가 수정의 착과율은 20%, 꼬투리당 종자수는 18개이고, 형매 수정의 착과율은 75%, 꼬투리당 종자수는 68개이었다. 이와 같이 Mammillaria 속 선인장을 5월에 형매 교배를 하면 결실율이 높고 많은 종자를 얻을 수 있다.

Keywords

References

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