삽목 조건이 ‘설향’ 딸기의 묘소질 및 과실 수량에 미치는 영향 = Effects of Cutting Condition on Quality of Nursery Plant and Fruit Yield in ‘Sulhyang’ Strawberry

국문 초록 (Abstract)

딸기 ‘설향’ 품종에 대해 삽목 육묘의 조건을 확립하고자 삽수 채취용 모주 선택, 삽수의 적정 엽수 및 삽목 시기를 구명하였다. 삽수 채취는 육묘장 모주와 과실 수확 후 재배 식물체에서 채취하였고, 삽수의 엽수는 0, 1, 2장 그리고 삽목 시기는 6 월 4일부터 7월 9일까지 1주일 간격으로 하였다. 육묘장 삽수와 재배 식물체 삽수의 최종 생존율은 각각 99.5%, 98.7%로높았으며, 유의적인 차이는 없었다. 근수는 육묘장 삽수에서3.1개 많았고, 관부와 잎의 생육은 차이가 없었다. 과실 수량은 육묘장 삽수와 재배 식물체 삽수에서 각각 419.2g, 428.4g 이었지만 유의적인 차이는 없었다. 삽수의 엽수별 생존율은엽수 1, 2장에서 각각 98.1%, 98.3%로 높았고, 0장은 25.3% 로 현저히 낮았다. 근수는 엽수 1, 2장에서 각각 26.0개, 26.3 개로 엽수 0장의 23.5개에 비해 많았다. 관부와 엽의 생육에서는 엽수에 따른 유의적인 차이가 없었다. 과실 수량은 엽수 1, 2장에서 각각 424.4g, 421.5g으로, 0장 396.7g 보다 많았다.
삽목 시기에 따른 삽목 후 생존율은 97.2% 이상으로 높았으며, 처리 간의 유의적인 차이는 없었다. 묘의 지하부와 지상부그리고 관부의 생육은 6월 4일과 11일 삽목에서 가장 좋았다.
과실 수량은 6월 4일, 6월 11일 삽목에서 각각 433.3g, 426.4g 으로 가장 많았으며, 삽목 시기가 가장 늦었던 7월 9일 삽목에서는 384.5g으로 적었다. 딸기 삽목용 삽수 재료는 육묘장 삽수와 과실 수확을 마친 재배 식물체 삽수 모두 가능하였고, 삽수의 적정 엽수는 최소 1장 이상 그리고 경남 지역의 삽목 시기는 6월 4일－11일이 적합하였다.

다국어 초록 (Multilingual Abstract)

This study was conducted to investigate optimal conditions for cutting propagation of the strawberry cultivar “Sulhyang” through the collection methods of cuttings (runners tips), leaf number of cuttings, and cutting time. Cuttings were collected from the mother plant in the nursery bed (MP) and plants after fruit harvest (HP); the leaf number of cuttings was 0, 1, and 2, and the cutting time was at one-week intervals from June 4 to July 9. The survival rates for MP and HP cuttings were notably high, reaching 99.5% and 98.7%, respectively, but no significant difference was found. The number of roots were higher in MP cuttings, and there was no significant difference in crown and leaf growth. The fruit yields were 419.2 and 428.4 g, for MP and HP cuttings, respectively. The survival rates according to leaf number of cuttings were 98.1% and 98.3% for 1 and 2 remaining leaves, respectively, and remarkably lower at 25.3% for no remaining leaves. The root numbers were 26.0 and 26.3 for 1 and 2 remaining leaves, respectively, compared with 23.5 for no remaining leaves, with no significant differences in crown and leaf growth. The fruit yields were 424.4 and 421.5 g for 1 and 2 remaining leaves, respectively, and 396.7 g for no remaining leaves. The survival rates according to cutting time was over 97.2% in all cutting time without any difference in each treatment. The root, shoot, and crown of the nursery plant before planting showed the best growth in the cuttings on June 4 and 11, resulting in the highest fruit yields of 433.3 and 426.4 g, respectively, with the lowest yields at 384.5 g for cutting time on July 9. Both MP and HP materials proved suitable for strawberry cuttings. The optimal leaf number for cuttings was at least 1, and the optimal cutting time in Gyeongnam area was evaluated as around June 4-11.

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