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잎의 녹색 강도 조사 시 관능검사와 기기분석치와의 관련성 비교
배강순(Kang Soon Bae),윤상돈(Sang Don Yun),이원식(Won Sig Lee),유기열(Ki-Yull Yu) 한국원예학회 2006 원예과학기술지 Vol.24 No.4
국화와 수박 잎의 녹색 강도 조사 시 관능검사와 몇 가지 기기분석법을 이용하여 상호간의 관련성을 비교하였다. 국화 엽색의 RHS color chart 번호는 137A, 147A, 139A 순으로 SPAD 값이 높았으며, SPAD 값과 높은 정의 상관(r=0.644<SUP>**</SUP>)을 보였다. 수박 엽색의 RHS color chart 번호는 SPAD 값, Hunter 값 및 엽록소 함량 등과 뚜렷한 경향을 볼 수 없었다. 수박 엽색의 강도는 RHS color chart(r=0.853<SUP>**</SUP>)와 SPAD 값(r=0.381<SUP>**</SUP>)과 높은 정의 상관을 보였다. 따라서 국화의 엽색은 RHS color chart와 함께 SPAD 값을 조사하며, 수박 엽색의 강도는 관능검사와 함께 RHS color chart를 병행하여 조사하는 것이 바람직하다. This study was carried out to compare sensory evaluation with instrumental analysis for the determining intensity of green color in leaf. In chrysanthemum, SPAD value was high in order 137A < 147A < 139A of RHS color chart, and RHS color chart was highly related to SPAD value (r = 0.644<SUP>**</SUP>). In watermelon, RHS color chart was not related to SPAD value, Hunter value, and chlorophyll contents, respectively, but intensity of leaf color was highly related to RHS color chart (r = 0.853<SUP>**</SUP>) and SPAD value (r = 0.381<SUP>**</SUP>). In conclusions, leaf color in chrysanthemum should be applied to RHS color chart and SPAD value, but in watermelon should be applied to the sensory evaluation and RHS color chart.
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嚴大翼,金茂基,劉磯烈 전북대학교 농업과학기술연구소 1979 農大論文集 Vol.10 No.-
This experiment 11'as conducted to investigate effects of copper on the growth, yield, nutrientuptake, chlorophyll content of rice and inorganic ingredients in soii, and copper moLFement inrice plant and fate of copper in soil.1 . The rice plant sllowed normal growth willl 다. e addition of copper less than Soppm whilesevere toxicit)'1'esulted with Ihat more than 100ppm and the coppel'application of 500 ppmbroufh4 about gror'th fai lure f'ithin 400a)Fs after treatment.2. Urheil the copper was added n:ore than 100 pprr, tillering was greatlt7 hindered, consefue~nty the maximum tillering stage Ivas about one month latel'that of control.3 Heading of the injllred rire plant was delayed about two weekr, and onll· the main culmsproduced short panicles.4 The grain yield didn't decreased with the addition of copper less than 50ppm, but Ivithmore than 100 ppm, it greatly decreased.5. There n'as a high signifirrnt negative correlaticn tetuern the available copper in soil atharvesting stage and grain yield, ripening rate, the nuliber of paniclef, and the numbel· ofgrains per panicle, respectively.6 The panganefe rptake b)'rire plrnt was inhibited with the addition of copper and thereT·as a high signifirEnt neaatil·t correlation betreen the concentration of copper and that ofmanganese in leaf. Cn 삯e oor hfrd 타e iron uptake by rice was promoted Ivith the additionof copper less than :Oppm but it decreaEed with more than 100ppm.7. The dry weight of rice plant and T/R ratio were not affected with the addition of topperless than 50pprr. Horever, with the Efditicn of ropfer inc「e Ihan 100pp狀 _e foirr.or severel)-diminished while the latter considerably increased.8 The coprfr content in the above groTnd part increaEed Es the amounts of copper appliedto soil increaEed up to fopprr. Cn tte ottier hand the content in root continued to increase with the addition of copper more than 100ppa9. The total amount of copper plant absorbed increased in proportion to the amount of cop-per applied up to Soppm, with more than which concentration it decreased. But the concentrationcontinual Iy increased.10. When the copper concentration in root and the above ground part becomrs more than 90and 25ppm, respectively, rice plant was damaged.11. The copper in soil was easily absorbed blr rice and mostly accuuulated in root, but wasvert'immobile in plant. And so most of the absorbed copper was accumutated in root.12. Regardless of the treatments, absorbed copper accumulated in the highest concentrationin root and in the lowest in leaf But the relative concentration in root got higher in propo-rtion to the treated concentration.13. With the addition of copper, chlorophyll content increased in leaf but the chlorophlrlla/b ratio tended to be reduced.14. Both fixed and available copper in soil increased as the amount of added copper increased.15. The copper added began to be fixed from about 25 days after treatmant. Most of copperadded was fixed between 2,i and 504ays after addition.16. When the available copper in soil at 30 days after transplanting Ivas above Suppn) rice wasdamaged.17. With the addition of copper tile available phosphorus in soil decreased regardiess of theconcentration treated.18. The available silica in soil decreased with tile addition of copper belorF 50 ppm, abovewhich cofcentration it increased
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