한국작물학회지 (KOREAN JOURNAL OF CROP SCIENCE)
- 제42권4호
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- Pages.424-428
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- 1997
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- 0252-9777(pISSN)
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- 2287-8432(eISSN)
대마의 채종재배를 위한 파종적기
Optimum Sowing Date for Seed Production in Hemp
초록
This study was carried out to investigate the effects of sowing dates, Apr. 25, May 15, June 5 and June 25, on sex ratio, growth and seed yield of "Chonnam species", local variety of hemp plant. The results were following as. : In sex ratio according to the different seeding dates, the revealating rate of female and male plants were highest on June 25, and Apr. 25, respectively. The length of stem, the number of branches, nodes, and seed yield were increased on May 15, but these charateristics were rapidly reduced on June 25 because of short growing period. Yield of seeds was increased by 24% on May 15 comparing with 1.30ton /ha on Apr. 25.