[논문]컨테이너 재배에서 점적 관수처리가 왕벚나무 4, 8년생 묘목의 품질에 미치는 영향

윤준혁; 진언주; 배은지

doi:10.14578/jkfs.2022.111.3.394

컨테이너 재배에서 점적 관수처리가 왕벚나무 4, 8년생 묘목의 품질에 미치는 영향
Effects of Drip Irrigation Treatment on the Quality of 4- and 8-year-old Prunus × yedoensis Matsum. Seedlings in a Container Nursery 원문보기

한국산림과학회지 = Journal of korean society of forest science, v.111 no.3, 2022년, pp.394 - 404

윤준혁 (국립산림과학원 산림바이오소재연구소) , 진언주 (국립산림과학원 산림바이오소재연구소) , 배은지 (국립산림과학원 산림바이오소재연구소)

초록
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본 연구는 우리나라의 가로경관 및 관상 목적으로 활용되는 주요 중형 조경수인 왕벚나무를 대상으로 컨테이너 재배 점적 관수 시 관수량에 따른 4년생, 8년생 묘목의 생장 및 생리 특성을 평가하여, 왕벚나무 컨테이너 재배를 위한 적정관수 기준을 제시하고자 수행되었다. 연구 결과 관수량 처리에 따른 묘고와 근원직경의 상대생장률의 경우 왕벚나무 4년생은 288 L/year/tree 처리에서 8년생은 416 L/year/tree 처리에서 가장 높은 값을 나타내었다. 물질생산량과 묘목품질지수 또한 두 연생 모두 관수처리에 따른 유의적인 차이를 보이면서 4년생은 288 L/year/tree 처리에서 8년생은 416 L/year/tree 처리에서 양호한 생장을 보였다. 뿌리발달 특성 중 총뿌리길이, 평균뿌리직경, 뿌리부피는 두 연생 모두 관수량 처리에 대해 차이를 보였다. 엽록소함량의 경우 왕벚나무 4년생은 288 L/year/tree 처리에서 8년생은 416 L/year/tree처리에서 가장 높은 활성을 보였다. 본 연구결과를 종합적으로 고려해 볼 때 컨테이너 재배 시 관수량의 차이는 묘목의 형태적 상대생장률, 물질생장량, 묘목품질, 생리적 반응에 영향을 미치며, 왕벚나무를 컨테이너로 재배 할 시 적절한 관수량은 4년생 묘목 (근원직경 3 cm급)은 288 L/year/tree, 8년생 묘목 (근원직경 7 cm급)은 416 L/year/tree가 적절한 것으로 판단된다.

Abstract ▼ AI-Helper

This study was conducted to optimize the amount of drip irrigation for Prunus×yedoensis Matsum., one of the major medium-sized landscaping trees used mainly for streetscapes and as ornamentals. The experiment was conducted in a container nursery, where we assessed the growth and physiological characteristics of 4- and 8-year-old seedlings watered at different rates (x) by a drip irrigation system. The relative growth rates (based on height and root collar diameter (RCD) measurements) were highest at 288 and 416 L/year/tree for the 4- and 8-year-old containerized seedlings, respectively. These age and treatment combinations also produced significantly different dry weight and seedling quality index values, indicating good growth. The two age groups had significantly different total root lengths, root diameters, and root volumes under these respective irrigation treatments. In addition, the 4-year-old containerized seedlings irrigated at 288 L/year/tree and the 8-year-old containerized seedlings irrigated at 416 L/year/tree had the highest activations in their chlorophyll contents. Overall, the results (differences in irrigation amounts affect the seedlings morphological relative growth, biomass growth, seedling quality, and physiological reaction) indicate that the optimal irrigation amounts for container-grown Prunus×yedoensis are 288 L/year/tree for 4-year-old (RCD class, 3cm) and 416 L/year/tree for 8-year-old (RCD class, 7 cm) containerized seedlings.

주제어

표/그림 (11)

그림 Figure 1. Container volume 40L(D400×H350) and 90L(D550×H400).
표 Table 1. The initial growth characteristics of Prunus×yedoensis seedlings before irrigation treatment.
표 Table 2. The total irrigation amount and monthly irrigation amount.
그림 Figure 2. The view of experiment site with rainfall block cotton.
표 Table 3. The effect of drip irrigation treatment level on growth of height and RCD of 4 and 8-year-old Prunus×yedoensis containerized seedlings.
그림 Figure 3. The effect of drip irrigation treatment level on the seedling quality index (SQI) of 4-year-old Prunus×yedoensis containerized seedlings. Different letters on the columns indicate statistical differences at the 5% levels by Duncan's multiple range test. F-value with asterisks are statistical significances in one-way ANOVA. *P≤0.05, **P≤0.01, ***P≤0.001 and NS (non-significance) = P>0.05.
그림 Figure 4. The effect of drip irrigation treatment level on the seedling quality index (SQI) of 8-year-old Prunus×yedoensis containerized seedlings. Different letters on the columns indicate statistical differences at the 5% levels by Duncan's multiple range test. F-value with asterisks are statistical significances in one-way ANOVA. *P≤0.05, **P≤0.01, ***P≤0.001 and NS (non-significance) = P>0.05.
표 Table 4. The effect of drip irrigation treatment level on dry weight and T/R ratio of 4 and 8-year-old Prunus×yedoensis containerized seedlings.
표 Table 5. The effect of drip irrigation treatment level on root morphological traits of 4 and 8-year-old Prunus×yedoensis containerized seedlings.
그림 Figure 5. The effect of drip irrigation treatment level on chlorophyll contents of 4 -year-old Prunus×yedoensis containerized seedlings. Different letters on the columns indicate statistical differences at the 5% levels by Duncan's multiple range test. F-value with asterisks are statistical significances in one-way ANOVA. *P≤0.05, **P≤0.01, ***P≤0.001 and NS (non-significance) = P>0.05.
그림 Figure 6. The effect of drip irrigation treatment level on chlorophyll contents of 8 -year-old Prunus×yedoensis containerized seedlings. Different letters on the columns indicate statistical differences at the 5% levels by Duncan,s multiple range test .F-value with asterisks are statistical significances in one-way ANOVA. *P≤0.05, **P≤0.01, ***P≤0.001 and NS (non-significance) = P>0.05.

AI 본문요약
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문제 정의

따라서 본 연구에서는 우리나라에서 가로경관 및 관상목적의 중형 조경수로 가장 많이 활용되고 있는 왕벚나무를 대상으로 컨테이너 재배 점적 관수 시 관수량에 따른 4년생, 8년생 묘목의 생장 및 생리 특성을 평가하여, 관수처리가 묘목 품질에 미치는 영향을 구명하고, 왕벚나무 컨테이너 재배를 위한 적정 관수 기준을 제시하고자 수행되었다.

제안 방법

공시목 분양 후 뿌리 분을 고압 세척하여 노지 토양을 제거한 후 4년생은 40L(D400× H350), 8년생은 90L(D550×H400)의 다공형 플라스틱 컨테이너(Rootplus, Korea)로 이식하였다(Figure 1)
관수량 처리가 4년생, 8년생 왕벚나무의 컨테이너 내부 뿌리 발달에 미치는 영향을 분석하기 위하여 관수량 처리별로 건중량 측정을 위해 굴취 된 5본의 뿌리를 대상으로 WinRhizo 프로그램(2008a Version, Regent Instrument Inc., Canada)을 이용하여 뿌리발달 특성을 분석하였다. 정확한 뿌리 분석을 위해 뿌리 외 상토 등의 불순물을 제거한 후 분석을 위해 일정량으로 분리하였다.
Japan)로 이미지화하고 WinRhizo 프로그램으로 분석하였다. 본 실험에서 4년생, 8년생의 뿌리부피가 큰 관계로 뿌리 양에 따라 10~15회로 나눈 후 반복 측정하였다. 뿌리발달 특성 평가를 위해 분석된 항목은 전체뿌리길이(total root length).
공시재료는 경북 경주시에서 접목 후 노지 재배된 왕벚나무(Prunus×yedoensis) 4년생, 8년생을 사용하였으며, 관수시험은 경상남도 진주시에 위치한 국립산림과학원 산림바이오소재연구소 노지 포지에서 수행되었다. 일반적으로 왕벚나무의 경우 4년생 묘목을 컨테이너로 이식하여 목표 규격인 근원직경 8~10 cm까지 재배하고 출하하기 때문에 재배 기간 동안 1차례 더 큰 용적의 컨테이너로 이식하는 것을 가정하여 이식 단계별 적정 관수량을 구명하기 위해 4년생(근원직경 3 cm 급), 8년생(근원직경 7 cm 급)으로 구분하여 수행하였다. 공시목 분양 후 뿌리 분을 고압 세척하여 노지 토양을 제거한 후 4년생은 40L(D400× H350), 8년생은 90L(D550×H400)의 다공형 플라스틱 컨테이너(Rootplus, Korea)로 이식하였다(Figure 1).

대상 데이터

공시재료는 경북 경주시에서 접목 후 노지 재배된 왕벚나무(Prunus×yedoensis) 4년생, 8년생을 사용하였으며, 관수시험은 경상남도 진주시에 위치한 국립산림과학원 산림바이오소재연구소 노지 포지에서 수행되었다

데이터처리

, Chicago,. IL, USA)을 이용하여 일원분산분석(One-way ANOVA)을 실시하였으며. 관수량처리에 따른 유의성을 분석하기 위해 Duncan′s multiple range test를 실시하여 각 항목의 평균값을 비교하였다.
Values with different letters in a column indicate statistical differences among irrigation treatments at the 5% levels by Duncan’s multiple range test
Values with different letters in a column indicate statistical differences among irrigation treatments at the 5% levels by Duncan’s multiple range test
Values with different letters in a column indicate statistical differences among irrigation treatments at the 5% levels by Duncan’s multiple range test
관수량처리에 따른 유의성을 분석하기 위해 Duncan′s multiple range test를 실시하여 각 항목의 평균값을 비교하였다.

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저자의 다른 논문 :

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용어 설명 출처 목록 (6)

용어 설명: PCR은 세균 특이성이 있는 primer를 이용하여 적은 수의 세균이 있을지라도 쉽게 검출할 수 있는 유용한 방법이며, 이를 이용하여 구강 내 치면세균막이나 타액에서 직접 세균을 검출할 수 있게 되었다[8].

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구성항목	기본정보 상세정보 관리번호, 논문명, 저널/프로시딩명, 저자 , 발행년, 권, 호, 시작페이지, 끝페이지, 발행기관 관리번호, 논문명, 대등논문명, 저자 , 저널/프로시딩명, 발행기관, 발행년, 발행언어, 권, 호, 시작페이지, 끝페이지, ISBN, ISSN, 주제분야, 키워드, 초록(한글), 초록(영문), 저자(소속기관)
저장형식	Text(ASCII format) Excel format RefWorks Direct Export RIS format (for Reference Manager, ProCite, EndNote), Scholar's Aids, Mendeley
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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