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사과 ‘홍로’ 품종의 과실 품질에 미치는 토양이화학성의 상대적 기여도
김승희(Seung-Heui Kim),박서준(Seo-Jun Park),한점화(Jeom-Wha Han),조정건(Jung-Gun Cho),최형석(Hyeong-Suk Choi),임태준(Tae-Jun Lim),윤해근(Hea-Keun Yun) (사)한국생물환경조절학회 2012 시설원예‧식물공장 Vol.21 No.2
본 연구는 사과 홍로 품종의 고품질 과실 생산을 위한 최적 토양환경 요인을 구명하기 위해 수행되었다. 토양환경조건들은 전국의 사과 주산지 충주, 문경, 영주, 안동, 예산, 영천 지역에서 각각 농가당 10농가를 대상으로 총 60농가에서 토양 및 과실특성을 조사하였다. 과중에 영향을 미치는 토양환경요인은 포화수리전 도도가 33.3%로 가장 기여도가 높았고, 양이온이 24.6% 기여하였다. 용적밀도, 토성 및 고상역시 비교적 높았다. 토양물리성요인이 화학성 요인보다는 과중에 영향을 주었다. 과실의 당도에 미치는 토양환경요인들에서는 토성이 21.9%로 가장 높은 기여도를 나타냈다. 양이온치환용량(CEC)와 용적밀도의 기여도가 매우 낮았다. 과실의 착색은 인산함량이 20.4%로 매우 높은 기여도를 나타냈다. 반면에 포화수리전도도와 유기물함량은 낮았다. 토양물리성 보다는 화학성이 크게 기여하였다. 최종적으로 과중, 당도, 과실착색을 종합적으로 고려한 과실품질에 대한 상대적 기여도에서는 작토층깊이 25.8%, 토성 22.2%, 토양산도 21.0%로 높았다. 고상 및 용적밀도는 낮았다. 사과 홍로 품종은 토양화학성과 매우 밀접한 관련이 있으며, 따라서 고품질의 과실을 생산하기 위해서는 과원의 배수관리 및 시비관리가 중요하다. 이 결과를 바탕으로 과원의 토양관리 요인들을 계량화 하여 과학적 토양관리 기초 자료로 활용이 가능할 것으로 판단된다. This study was carried out to investigate the optimum soil environmental conditions of ten contents on production of high quality fruit in ‘Hongro’ apple. The soil and fruit characteristics were analyzed at total 60 orchards in major apple producing areas such as Chungju, Moonkyeung, Yeongju, Andong, Yeosan and Yeongcheon (10 orchards an area). The soil environmental factors affected fruit weight were the highest relative contribution in saturated hydraulic conductivity of 33.3%. The cation was 24.6%, the bulk density, soil texture and solid phase were also high as relative contribution. The fruit weight was influenced by soil physical properties more than soil chemical properties. The soil environmental factors affected sugar content were highest soil texture of 21.9%, and the CEC and bulk density were low as relative contribution. The fruit coloring was the highest relative contribution in phosphate of 55.9%. While saturated hydraulic conductivity and organic matter content were low. The coloring was influenced by soil chemical properties more than soil physical properties. Fruit coloring was high influenced over 70% by soil physical properties. Finally, relative contribution on fruit quality related with sugar content, fruit weight, and coloring were high influenced by cultivation layer depth of 25.8%, soil texture 22.2%, and soil pH of 21.0% but bulk density and solid phase were low relative contribution. The fruit growth and soil chemical properties in ‘Hongro’ apple were very closely related. Therefore, orchard soil management to produce high quality fruit was very importance drainage management and organic matter application. We concluded that scientific soil management is possible by quanlifiable of soil management factors.
사과 ‘후지’ 품종의 품질에 미치는 토양이화학성의 상대적 기여도
김승희(Seung-Heui Kim),최인명(In-Myung Choi),한점화(Jeom-Wha Han),조정건(Jung-Gun Cho),손인창(In-Chang Son),임태준(Tae-Jun Lim),윤해근(Hea-Keun Yun) 韓國土壤肥料學會 2011 한국토양비료학회지 Vol.44 No.5
The management standard on soil conditions in ‘Fuji’ apple to produce high quality fruit were not yet made. Therefore, this study was carried out to investigate the optimum soil environmental conditions of ten contents on production of high quality fruit in ‘Fuji’ apple. The soil and fruit characteristics were analyzed at total 60 orchards in major apple producing areas such as Chungju, Moonkyeung, yeongju, andong, yeosan and yeongcheon (10 orchards an area). The soil environmental factors affected fruit weight was highest relative contribution in saturated hydraulic conductivity of 36.5%. The bulk density and soil pH were low as relative contribution. The fruit weight was influenced by soil physical properties more than soil chemical properties. The soil environmental factors affected sugar content were hydraulic conductivity of 28.3% and organic matter content of 18.2%. The cultivation layer depth and soil pH were low as relative contribution. The fruit coloring was highest relative contribution in saturated hydraulic conductivity 55.9%. while soil pH, cation and soil texture were low. Fruit coloring was high influenced over 70% by soil physical properties. Finally, relative contribution on fruit quality related with sugar content, fruit weight, and coloring were high influenced by saturated hydraulic conductivity of 21.% and organic matter content of 18.7% but bulk density and cultivation layer depth were low relative contribution. The fruit growth and saturated hydraulic conductivity in ‘Fuji’ apple were very closely related. Therefore, orchard soil management to produce high quality fruit was very importance drainage management and organic matter application. We concluded that scientific soil management is possible by qualifiable of soil management factors.
포도 ‘거봉’ 품질에 미치는 토양이화학성의 상대적 기여도
김승희(Seung-Heui Kim),최인명(In-Myung Choi),한점화(Jeom-Wha Han),조정건(Jung-Gun Cho),박서준(Seo-Jun Park),임태준(Tae-Jun Lim),윤해근(Hea-Keun Yun) 한국토양비료학회 2010 한국토양비료학회지 Vol.43 No.6
Detail management standard on soil conditions in ‘Kyoho’ grapes were not yet made. Therefore, this study was carried out to investigate the optimum soil environmental conditions on production of high fruit quality in ‘Kyoho’ grapes. We established using correlation between fruit quality and soil condition. These results were used to develop soil management guideline with promoting efficiency and minuteness in grape vineyard. Soil conditions were analyzed at total 80 vineyards in major grape producing areas such as Ansung, and Cheonan (40 orchards an area). The soil environmental factors affected fruit weight were soil pH of 36.6%, cultivation layer depth of 23.3%, and cation of 17.8%. The soil condition factors affected sugar content were soil hardness of 24.4%, cation of 24.1% and organic matter content of 22.1%. Cultivation layer depth, soil texture, and phosphate content were low as relative contribution. Coloring was involved with organic matter content, CEC (cation exchange capacity), and saturated hydraulic conductivity. while soil pH, cultivation layer depth, and phosphate content showed low contribution. Finally, relative contribution on fruit quality related with sugar content, fruit weight, and coloring were soil hardness of 28.0%, organic matter content of 25.0%, soil pH of 12.9%.
발육 속도 모델을 이용한 포도 ‘캠벨얼리’의 발아기 예측
윤석규(Seok Kyu Yun),신용억(Yong Uk Shin),윤익구(Ik Koo Yun),남은영(Eun Young Nam),한점화(Jeom Wha Han),최인명(In Myung Choi),유덕준(Duk Jun Yu),이희재(Hee Jae Lee) 한국원예학회 2011 원예과학기술지 Vol.29 No.3
포도 ‘캠벨얼리’의 발아기 예측을 위해 자발 휴면 타파이후 발아일까지의 발육 속도(DVR) 계산식을 도출하였다. 항온 실험에서 계산한 DVR은 온도에 대하여 지수 함수식 또는 선형 함수식 모형으로 증가하는 경향이며 DVR 기울기는 0.0019 내외였다. 포도 DVR 계산식은 대기 온도에 대하여 DVR = 0.0249 + 0.0020e<SUP>0.1654x</SUP> 또는 DVR = 0.0019x + 0.0187이었으며, DVR 계산식에 일 평균 기온을 대입하여 계산한 예측 발아일의 실측 발아일에 대한 적합도 검정 RMSE 값이 4일 이하로 작았다. 또한 DVR 계산식에 시간별 온도 자료를 대입한 경우에는 일 평균 기온 자료를 사용한 경우보다 오차 값이 작았으며 이때 RMSE 값은 3일 이하였다. 이는 본 연구에서 계산한 DVR 계산식이 포도 발아기 예측에 유용한 예측 값을 제공할 수 있다는 것을 의미한다. To predict the bud bursting date of ‘Campbell Early’ grapevines, the bud developmental rate (DVR) models were constructed. The DVRs for bud bursting were calculated from the demanded times at controlled air temperatures. The DVRs were examined on the ‘Campbell Early’ grapevines incubated in three different temperatures at 4.6, 11.8, and 16.6℃. The DVR increased exponentially or linearly on the air temperature with a slope of about 0.0019. The DVR equations were computed as DVR = 0.0249 + 0.0020e<SUP>0.1654x</SUP> or DVR = 0.0019x + 0.0187. These DVR equations offered developmental indices and predicted dates for bud bursting with air temperature data. The DVR equations were validated to the bud bursting data observed in the field. When bud bursting dates were calculated with daily temperature data, the root mean squared error (RMSE) between the observed and the predicted dates was less than 4 days. When those were calculated with hourly temperature data, on the other hand, the RMSE was less than 3 days. These results suggest that the DVR models are useful to predict bud bursting date of ‘Campbell Early’ grapevines.