녹두 파종기에 따른 수량과 Flavonoid 함량 변화

Effect of Seeding Times on Yield and Flavonoid Contents of Mungbean

  • 발행 : 2008.09.30

초록

본 연구는 남부지역에서 5월 중순부터 7월 중순까지 파종기에 따른 녹두 생육과 수량 변이 및 vitexin과 isovitexin 함량 변화 등을 구명하고자 수행하였다. 1. 파종기가 늦을수록 개화일수, 성숙까지 일수와 재배기간이 짧았다. 반면에1차 성숙 후1차 수확까지(소요)일수, 각 수확기 간 소요일수는 길었다. 2. 수량은 1차 수확기 개체당 협수가 15.3개로 많은 6월 하순 파종이 가장 많았고, 표준 파종기 6월 상순보다 14%가 많았다. 반면에1차 수확기 협당 립수와 천립중은 7월 중순 파종이 가장 높았다. 3. 녹두 파종기별 수확횟수는 6월 하순과 7월 중순 파종이 2회로 가장 적었다. 4. 녹두 종실의 vitexin과 isovitexin 평균 함량은 7월 중순, 6월 하순, 5월 중순 파종 순으로 많았고, 특히 2차 수확 종실에서 이들 함량이 가장 높았다. 5. 이상의 재배기간, 수량, 수확횟수 및 vitexin, isovitexin 함량 등을 감안할 때 남부지역 녹두 파종적기는 6월 하순에서 7월 중순으로 보아진다.

This study set out to investigate the changes to the growth, yield, and flavonoid contents of mungbean according to different seeding times from mid May to mid July in the southern region of Korea. Days to first flowering, days to first maturing, and cultivation period were shorter at later seeding time than earlier seeding time. But later the seeding time was, days from first maturing to first harvesting, days required between harvesting increased. Number of pods at first harvesting and yield of mungbean were highest when seeded at late June, showing increase in yield 14% more than at early June as standard seeding time. However number of seeds per pod and 1,000-seed weight at first harvesting were highest when seeded at mid July. The number of harvesting was smallest at two times when seeded at June or mid July. The contents of average vitexin and isovitexin in mungbean were highest in the order of mid July, late June, and mid May. In particular, their contents reached its highest point in the seeds of the second harvest. Considering the results of the cultivation period, yield, harvesting times, vitexin and isovitexin contents, the proper seeding time of mungbeans in the southern region of Korea will be from late June to mid July.

키워드

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