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      • KCI등재

        굴참나무 천연집단(天然集團) 동아(冬芽)의 형태적(形態的) 변이(變異)

        송정호,박문한,한상억,이위영,박완근,이재선,Song, Jeong-Ho,Park, Mun-Han,Han, Sang-Urk,Lee, Wi-Young,Park, Wan-Geun,Yi, Jae-Seon 한국산림과학회 2001 한국산림과학회지 Vol.90 No.4

        굴참나무 동아의 형태적 변이를 연구하기 위하여 위도, 경도, 해발고 및 지리적 특성을 고려하여 16개 천연집단을 선발하였다. 각 집단별로 30개체를 대상으로 개체목당 수관 1/3 하단부에서 정아와 측아를 30개씩 고르게 채집하여 정아와 측아의 길이 및 폭에 대한 변이를 조사한 결과는 다음과 같다. 1. 정아길이, 정아폭, 측아길이 및 측아폭은 각각 6.9~11.3cm, 3.0~3.7cm, 6.1~8.9cm 및 2.5~3.1cm로 나타났으며, 모든 특성에서 약 20% 내외의 변이폭을 보였다. 2. 동아특성에 대한 변이는 집단간 및 집단내의 개체간에 고도의 유의적인 차이를 보였으며 특히, 분산기여도는 집단간보다 집단내의 개체간에 큰 것으로 나타났다. 3. 상관분석한 결과 정아길이는 측아걸이 및 폭과, 측아폭은 정아폭 및 측아길이와 정의 상관을 나타내었으며, 또한 지리적 변이에 있어 위도는 정아폭과, 경도는 정아길이 및 측아길이와 정의 상관을 나타내었다. 4. 군집분석한 결과는 거리지수 3.4에서 2개의 그룹 즉, I그룹(Pop. 8)과 II그룹(Pop. 1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 16)으로 나뉘었으며, 거리지수 1.5에서는 II그룹이 다시 Pop. 1, 2, 7, 9, 및 11의 군집(II-1그룹)과 Pop. 3, 4, 5, 6, 10, 12, 13, 14, 15 및 16의 군집(II-2그룹)으로 나뉘어 거리지수 1.2 이상에서 총 III그룹으로 분리되었다. For the study of morphological variation in winter buds of Q. variabilis $B_L$. natural populations in Korea, 16 populations were selected through the country in consideration of latitude, longitude, altitude, and geographical characters. Thirty trees were randomly selected from each population and 30 terminal and 30 lateral buds were sampled below 1/3 crown length of each tree. Four morphological characters including length and width of terminal and lateral buds were measured. 1. Length and width of terminal and lateral buds were in the ranges 6.9~11.3cm, 3.0~3.7cm, 6.1~8.9cm, and 2.5~3.1cm, respectively. The coefficient of variation were in about 20% in all the characters investigated. 2. All the characters were significantly different among populations as well as among individuals within populations. The degree of contribution of variance among individuals within populations was higher than that among populations. 3. Length of terminal bud showed positive correlation with length and width of lateral bud; and width of lateral bud with width of terminal bud and length of lateral bud. Also, positive correlations were observed between longitude and width of terminal bud, between latitude and length of terminal and lateral bud. 4. Cluster analysis using complete linkage method for winter bud characters showed two groups to Euclidean distance 3.4. They were group I of population 8 and group II of populations 1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, and 16. However, group II was divided into two at Euclidean distance 1.5 that are a group including populations 1, 2, 7, 9, and 11(groupII-1) and the other group including populations 3, 4, 5, 6, 10, 12, 13, 14, 15, and 16(groupII-2).

      • KCI등재

        잣나무의 수형(樹型) 조절(調節) (III) - III영급(齡級) 이하(以下) 인공림(人工林)에서 잣과 목재(木材) 생산(生産)을 위한 수형(樹型) -

        이재선,송정호,박문한,한상억,Yi, Jae-Seon,Song, Jeong-Ho,Park, Moon-Han,Han, Sang-Urk 한국산림과학회 1999 한국산림과학회지 Vol.88 No.2

        채종원(採種園) 관리를 위해 개발된 여러 수종의 다양한 수형 조절 방법의 검토 및 이미 수형 조절 작업을 받은 16년생 접목 잣나무의 성장 조사와 I영급~III영급 조림지 임목의 성장 조사를 통하여 잣나무 인공림에서 잣과 목재를 생산할 수 있는 수형과 그 조절 방법을 제시하였다. 제 1형은 I~II영급에 잣 생산만을 위해 적용할 수 있는 방법으로 지상 1m 정도의 힘센 생지(生枝)를 포함하여 1m 정도 간격으로 4~5마디까지 남기고 단간(斷幹)하되 각 마디에 3~4개의 일차지(一次枝)를 윤생(輪生)으로 배치하는 변칙주간형(變則主幹型)이고, 제 2형은 잣과 목재 생산을 함께 도모하는 II영급~III영급에 적용이 가능한 방법으로 힘센 첫 생지 (지표에서 4m~8m)의 아래 부분은 무절(無節) 주간(主幹)으로 성장시키고 그 위는 1m 정도 간격으로 최고 4~5마디까지 남기고 단간하되 각 마디에 3~4개의 일차지를 윤생으로 배치하는 변칙주간형이며, 제 3형은 목재 생산만을 위해 지하고(枝下高)가 9m를 넘는 잣나무를 강도(强度)의 가지치기로 주간형(主幹型)을 이루게 하여 곧고 빠른 주간의 성장을 도모하는 방법이다. To improve nut production and timber quality in a plantation, crown shape controls were suggested for Korean white pines (Pinus koraiensis) under age class III through the analyses of the crown shape controls for seed orchard trees in several species, of crown status of controlled and uncontrolled trees in a Korean white pine seed orchard, and of growth characteristics of plantation trees under age class III. For nut production from the small trees less than 8 m, modified leader type can be applied by cutting the central leader and all branches below 1 m and keeping 4~5 nodes with 3~4 whorled branches a node locating 1 m apart. Trees with a 4~8 m long trunk below the first living branch are shaped into trees for nut and timber production, which have a 4~8 m long knotless stem and a modified leader type crown with 4~5 nodes with 3~4 whorled branches a node at a distance of 1 m. Trees, showing the first living branch at or above 9 m from the surface, are pruned severely for timber production and result in a central leader type containing two fifths of the initial crown. It is advisable to remove the leader and the branches when collecting cones or after/during October to take advantage of easy labor and little resin while cutting. After stem cut, branches showing apical dominance are to be cut to control height when necessary. The removal of the uppermost node may be needed to control the crown shape several years after the initial stem-cut.

      • KCI등재

        잣나무의 수형 조절 (3) - 3령급 이하 인공림에서 잣과 목재 생산을 위한 수형 -

        이재선(Jae Seon Yi),송정호(Jeong Ho Song),박문한(Moon Han Park),한상억(Sang Urk Han) 한국산림과학회 1999 한국산림과학회지 Vol.88 No.2

        To improve nut production and timber quality in a plantation, crown shape controls were suggested for Korean white pines (Pines koraiensis) under age class Ⅲ through the analyses of the crown shape controls for seed orchard trees in several species, of crown status of controlled and uncontrolled trees in a Korean white pine seed orchard, and of growth characteristics of plantation trees under age class Ⅲ. For nut production from the small trees less than 8 m, modified leader type can be applied by cutting the central leader and all branches below 1 m and keeping 4∼5 nodes with 3∼4 whorled branches a node locating 1 m apart. Trees with a 4∼8 m long trunk below the first living branch are shaped into trees for nut and timber production, which have a 4∼8 m long knotless stem and a modified leader type crown with 4∼5 nodes with 3∼4 whorled branches a node at a distance of 1 m. Trees, showing the first living branch at or above 9 m from the surface, are pruned severely for timber production and result in a central leader type containing two fifths of the initial crown. It is advisable to remove the leader and the branches when collecting cones or after/during October to take advantage of easy labor and little resin while cutting. After stem cut, branches showing apical dominance are to be cut to control height when necessary. The removal of the uppermost node may be needed to control the crown shape several years after the initial stem-cut.

      • KCI등재

        굴참나무 천연집단의 엽형 변이

        문흥규,한상억,박문한,이재선,송정호 한국임학회 2000 한국산림과학회지 Vol.89 No.5

        For the study of morphological variation of Q. variabilis natural population in Korea, 19 populations were selected through the country in considering latitude, longitude, and geographical characters. Thirty trees were randomly selected from each population and 60 mature leaves were sampled from each tree. Four characters (leaf blade length, maximum blade width, petiole length, and vein number) were measured, and their ratios (the ratio of blade length to maximum blade width, the ratio of blade length to petiole length, the ratio of petiole length to vein number, upper ⅓ blade width to maximum blade width, and upper ⅓ blade width to lower ⅓ blade width) were calculated. 1. Analysis of variance for all leaf characters were significantly different among populations and among individuals within population. Contributions of variance among individuals within population in all the characters were higher than those among populations. Therefore, selection of plus trees may be preferable to desirable populations for breeding program of Q. variabilis. 2. Among principal component analysis for leaf characters, primary 2 principal components appeared to be major variables for leaf form of Q. variabilis because of the loading contribution of 80.5%. The first contribution component was petiole length/vein number and petiole length; the second one was upper ⅓ blade width/maximum blade width, upper blade width/lower ⅓ blade width and vein number, respectively. 3. Latitude was positively correlated with blade length/maximum blade width and blade length/ petiole length, but negatively correlated with petiole length/vein number, upper ⅓ blade width/maximum blade width, upper ⅓ blade width/lower ⅓ blade width, petiole length, and vein number. But, for longitude and altitude the former two traits and the later five traits exhibited the negative and positive correlation, respectively. 4. Cluster analysis using complete linkage method for leaf characters showed two groups to Euclidean distance 1.6. They were group I of population 1. 4, 5, and 13 and group II of population 2, 3, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, and 19. However, group II was divided again to Euclidean distance 1.3, that is a group including population 3, 7, 10, 14, 15, and 17(group II-1) and the other group comprising population 2, 6, 8, 9, 11, 12, 16, 18, and 19(group II-2). This cluster could be mainly observed due to difference among population in aspect (group I : NE, group II-1 : SE, and group II-2 : SW).

      • KCI등재

        굴참나무 천연집단 동아(冬芽)의 형태적 변이

        박완근,한상억,박문한,이재선,이위영,송정호 한국임학회 2001 한국산림과학회지 Vol.90 No.4

        For the study of morphological variation in winter buds of Q. variabilis B_L. natural populations in Korea, 16 populations were selected through the country in consideration of latitude, longitude, altitude, and geographical characters. Thirty trees were randomly selected from each population and 30 terminal and 30 lateral buds were sampled below 1/3 crown length of each tree. Four morphological characters including length and width of terminal and lateral buds were measured. 1. Length and width of terminal and lateral buds were in the ranges 6.9∼11.3㎝, 3.0∼3.7㎝, 6.1∼8.9㎝, and 2.5∼3.1㎝, respectively. The coefficient of variation were in about 20% in all the characters investigated. 2. All the characters were significantly different among populations as well as among individuals within populations. The degree of contribution of variance among individuals within populations was higher than that among populations. 3. Length of terminal bud showed positive correlation with length and width of lateral bud; and width of lateral bud with width of terminal bud and length of lateral bud. Also, positive correlations were observed between longitude and width of terminal bud, between latitude and length of terminal and lateral bud. 4. Cluster analysis using complete linkage method for winter bud characters showed two groups to Euclidean distance 3.4. They were group I of population 8 and group Ⅱ of populations 1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, and 16. However, group II was divided into two at Euclidean distance 1.5 that are a group including populations 1, 2, 7, 9, and 11(groupII-1) and the other group including populations 3, 4, 5, 6, 10, 12, 13, 14, 15, and 16(groupII-2).

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