엽수와 삽목용토의 종류가 자생 산수국 녹지삽의 발근에 미치는 영향 Effect of Leaf Number and Rooting Media on Adventitious Rooting of Softwood Cuttings in Native Hydrangea serrata for. acuminata
자생산수국의 삽목번식을 위한 실용적인 자료를 얻고자 엽수, 삽목용토의 종류가 녹지삽수의 발근에 미치는 영향을 조사하였다. 엽수는 삽수의 발근율, 생존율, 액아열림 및 뿌리생장에 영향을 미쳤는데 잎이 있을 경우 발근이 더 잘 되었고, 전개엽 2장이 93.3%로 가장 높았다. 삽목 6주 후 발근율과 생존율은 엽수와 각각 0.90 및 0.96의 상관계수를 보여엽 2장까지는 높은 상관성을 보였다. 잎이 있을 경우 뿌리생장은 증가하였으나 액아 열림은 지연되었다. 부정근 형성은 주로 잎이 존재하는 축을 따라 삽수의 기부에 형성되었다. 삽목용토에 따른 발근율은 피트모스 : 펄라이트 : 버미큘라이트 1:1:1(v:v:v) 처리구에서 96.7%로 가장 높게 나타났다. coir : 버미큘라이트 1:1(v:v) 처리구와 피트모스 : 펄라이트 : 버미큘라이트 1:1:1(v:v:v) 처리구에서 근장, 근수, 생체중 및 건물중이 높았던 반면, 버미큘라이트 단용과 coir : 펄라이트 1:1(v:v) 처리구는 저조하였다.
자생산수국의 삽목번식을 위한 실용적인 자료를 얻고자 엽수, 삽목용토의 종류가 녹지삽수의 발근에 미치는 영향을 조사하였다. 엽수는 삽수의 발근율, 생존율, 액아열림 및 뿌리생장에 영향을 미쳤는데 잎이 있을 경우 발근이 더 잘 되었고, 전개엽 2장이 93.3%로 가장 높았다. 삽목 6주 후 발근율과 생존율은 엽수와 각각 0.90 및 0.96의 상관계수를 보여엽 2장까지는 높은 상관성을 보였다. 잎이 있을 경우 뿌리생장은 증가하였으나 액아 열림은 지연되었다. 부정근 형성은 주로 잎이 존재하는 축을 따라 삽수의 기부에 형성되었다. 삽목용토에 따른 발근율은 피트모스 : 펄라이트 : 버미큘라이트 1:1:1(v:v:v) 처리구에서 96.7%로 가장 높게 나타났다. coir : 버미큘라이트 1:1(v:v) 처리구와 피트모스 : 펄라이트 : 버미큘라이트 1:1:1(v:v:v) 처리구에서 근장, 근수, 생체중 및 건물중이 높았던 반면, 버미큘라이트 단용과 coir : 펄라이트 1:1(v:v) 처리구는 저조하였다.
An adventitious rooting of softwood cuttings was evaluated according to leaf number and rooting media in Native Hydrangea serrata for. acuminate. The shoots were carried to the lab in polyethylene bags and were cut to create cuttings of approximately 10 ㎝ length. Softwood cuttings were prepared with...
An adventitious rooting of softwood cuttings was evaluated according to leaf number and rooting media in Native Hydrangea serrata for. acuminate. The shoots were carried to the lab in polyethylene bags and were cut to create cuttings of approximately 10 ㎝ length. Softwood cuttings were prepared with 0, 1, 1/2+1/2 or 2 leaves and were planted in four different rooting media of S1 (vermiculite), S2 (coir dust : perlite = 1:1, v/v), S3 (coir dust : vermiculite = 1:1, v/v), and S4 (peat moss : perlite : vermiculite = 1:1:1, v/v/v), respectively. In scope of observations, rooting percentage, survival rate, bud-burst, and growth of root were determined. The more leaves attached to the cuttings resulted in the higher rooting and survival rate, resulting in the highest rooting (93.3%) in cuttings with 2 leaves. At six weeks after cuttings, rooting and survival rate had a positive correlation with leaf number (R² = 0.90 and 0.96, respectively). Leafy stem cuttings increased growth of root, while bud-burst was delayed. In rooting media, stem cuttings grown at S4 was found to be the best rooting percentage (96.7%) among four types of rooting media. Rooting media such as S3 and S4 contributed to the increase in root length, number, fresh wt., and dry wt., while rooting media such as S1 and S2 resulted in poor root growth.
An adventitious rooting of softwood cuttings was evaluated according to leaf number and rooting media in Native Hydrangea serrata for. acuminate. The shoots were carried to the lab in polyethylene bags and were cut to create cuttings of approximately 10 ㎝ length. Softwood cuttings were prepared with 0, 1, 1/2+1/2 or 2 leaves and were planted in four different rooting media of S1 (vermiculite), S2 (coir dust : perlite = 1:1, v/v), S3 (coir dust : vermiculite = 1:1, v/v), and S4 (peat moss : perlite : vermiculite = 1:1:1, v/v/v), respectively. In scope of observations, rooting percentage, survival rate, bud-burst, and growth of root were determined. The more leaves attached to the cuttings resulted in the higher rooting and survival rate, resulting in the highest rooting (93.3%) in cuttings with 2 leaves. At six weeks after cuttings, rooting and survival rate had a positive correlation with leaf number (R² = 0.90 and 0.96, respectively). Leafy stem cuttings increased growth of root, while bud-burst was delayed. In rooting media, stem cuttings grown at S4 was found to be the best rooting percentage (96.7%) among four types of rooting media. Rooting media such as S3 and S4 contributed to the increase in root length, number, fresh wt., and dry wt., while rooting media such as S1 and S2 resulted in poor root growth.
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