Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Effect of Seed Pelleting on the Precision Planting and Seedling Emergence of Carrot Seeds

당근 펠렛종자의 파종효율과 유묘출현에 미치는 영향

  • Published : 2003.08.01
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Abstract

This study was carried out to develop and investigate integrated mechanization system for culture of carrot. Compared with the conventional hand planting, use of a mechanical planter for pelleted seeds resulted in a saving of planting time by 225 hours. An additional saving of 460 hours was obtained for thinning the seedlings. Besides seeds could be saved by 72%, planting and thinning be done only in 35 hours per ha field when the pelleted seeds were planted with a planter. Work hour reduced by adopting the mechanical planting of pelleted seeds sharply contrasted to that of 720 hours required for hand-planting the thinning hours, resulting in a reduction of labor by more than 95%. SMP followed pelleting tended not only to increase the percentage of seedling emergence in the field but to induce an a day earlier germination.

펠렛종자를 점파용 파종기로 이용하여 기계화 정밀파종 함으로써 나종자를 손 작업에 의존하여 파종하는 것보다 파종시간과 솎음시간을 각각 225시간 및 460시간 절감할 수 있었고, 종자량도 72% 절감 할 수 있었다. 인력에 의한 손 파종은 파종과 솎음작업에 1 ha당 720시간이 소요되었으나, 펠렛종자를 이용한 기계화 파종은 35시간에 불과하였다. 따라서 펠렛종자를 기계화 파종함으로써 나종자를 인력에 의존하여 파종하는 관행방법에 비해 파종과 솎음작업의 생력효과를 95% 이상 높일 수 있었다. 펠렛종자의 묘출현율은 무처리 종자보다 출현율이 8% 정도 낮았고 출현속도도 약 1.9일 정도 지연되었으나 35일 경과된 유묘의 초기생육에는 큰 차이가 없었다. 유묘출현 반응은 품종에 따라 약간의 차이는 있으나, 펠렛종자는 나종자나 SMP 처리종자에 비해 출현율이 저하되었고 출현속도도 늦었다. 그러나 SMP 처리하여 종자활력을 증진시킨 후 펠렛하면 출현율도 향상되었고, 묘출현속도도 1일 정도 빨랐다.

Keywords

References

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