Horticultural Science & Technology (원예과학기술지)

Korean Society of Horticultural Science (한국원예학회)
권호 표지

Effects of Treatment of Light, Temperature and Priming on Germination of Angelica acutiloba KITAGAWA Seeds

일당귀 발아에 미치는 광, 온도, 및 Priming 처리의 효과

Moon, Jong-Ok;Park, Kuen-Woo;Kang, Ho-Min
문종옥;박권우;강호민

  • Published : 20030000
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Abstract

The study was conducted to determine the appropriate temperature and light conditions, and priming chemicals, their concentration and duration for improving germination of Angelica acutiloba KITAKWA seeds. The germination percentage and rate, T_5_0, and day of first germination of Angelica acutiloba KITAKWA seeds increased with the rise of temperature from 15$\circ$C to 25$\circ$C. But they decreased at 30$\circ$C and Angelica acutiloba KITAKWA seeds did not germinate at 35$\circ$C. While light treatment enhanced germination percentage at 25～30$\circ$C range, the light conditions did not affect germination percentage at 15～20$\circ$C range. Angelica acutiloba KITAKWA seeds primed with distilled H_2O and 0.1 M Ca (NO_3)_2 germinated better than any others. Priming treatments at 0.3 or 0.5 M KNO_3 and 0.3 or 0.5M K_3PO_4 inhibited germination of Angelica acutiloba KITAKWA regardless of priming duration. Germination percentage did not depend on priming treated duration. While germination rate was enhanced in 5days treatment more than 3days treatment, but it reduced in 7days treatment. When Angelica acutiloba KITAKWA seeds primed in distilled H_2O and KELPAK (extract of Ecklonia maxima) for 5 and 7 days, the germination rate was higher than non-primed seeds (control). Angelica acutiloba KITAKWA seeds primed without regard for chemical types showed higher T_5_0 than that of control, especially, T_5_0 was shorten 6days by distilled H_2O and KELPAK treatment compared with control.

본 실험은 일당귀 종자발아에 미치는 광과 온도조건을 구명하고, 일당귀 발아를 증진시킬 수 있는 priming 처리제와 그 농도 그리고 처리기간을 알아보고자 수행하였다.온도조건에 따른 일당귀 종자의 발아율, 발아세, T50 및 발아개시일이 15∼25 범위에서는 온도가 높아질수록 발아율이 향상되는 경향을 보였다. 30 에서는 발아율이 급격히 낮아졌으며, 35 에서는 전혀 발아되지 않았다.광조건 실험에서 15∼20 범위에서는 명·암에 관계없이 양호한 발아율을 나타내었으며, 25∼30 범위에서는 명조건의 발아율이 암조건 보다 좋았다.Priming처리에서 증류수, Ca(NO3)2 0.1M 5일처리가 가장 효과적이었다. KNO3와 K3PO4 0.3, 0.5M에서는 priming 처리 기간에 관계없이 발아가 억제되었다.Priming 처리기간에 따른 발아율은 처리기간에 큰 영향을 받지 않았으나, 발아세는 3일 처리에 비해서 5일 처리가 향상되었다가 7일 처리에서는 오히려 감소하였다. 발아세는 증류수와 KELPAK (Ecklonia maxima의 추출물) 5와 7일 처리에서 높았다. T50은 모든 처리구에서 대조구보다 빨랐으며 특히 증류수와 KELPAK처리구에서 약 6일이 빨랐다.

Keywords

References

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