희토광물계 비료가 순비기나무와 위성류의 삽목 발근에 미치는 영향 Effects of Rare-earth Fertilizer on the Shoot Cuttings' Rooting of Vitex rotundifolia L. and Tamarix chinensis Lour.원문보기
본 연구는 순비기나무와 위성류의 삽목증식에 있어서 희토광물계 비료가 발근성적에 미치는 효과를 구명하기 위하여 수행되었다. 삽목시험은 2008년에 수행되었으며, 그 결과를 요약하면 다음과 같다. 순비기나무와 위성류의 발근율, 평균 뿌리 수, 평균 뿌리길이는 희토비료를 처리할 때 무처리 대조구에 비해 증가한 경향을 보였다. 특히, 희토비료 1/2500 희석액의 발근효과가 뚜렷하였다. 이러한 성적은 IAA 발근촉진제에 상응하는 결과이었다. 다만, 위성류의 발근율은 무처리 대조구를 제외한 모든 처리구에서 100%의 발근율을 보임으로써 희토비료 희석액 농도에 따른 발근율의 차이는 없었으나, 발근촉진 효과는 기대할 수 있었다. 희토 희석액의 침지시간에 따른 삽수의 발근성적은 순비기나무와 위성류의 모든 처리구에서 10분 침지한 처리구보다는 60분 침지한 처리구에서 상대적으로 높은 경향을 보였다. 따라서 순비기나무와 위성류의 발근율, 평균 뿌리수 및 평균 뿌리길이 등을 분석한 결과를 기준으로 희토 처리 수준 및 효과를 판단하면, 발근촉진제 처리농도는 희토 1/2500 이하의 저농도에서 60분 침지할 경우 삽수 발근 향상에 충분한 효과가 있었다. 따라서 시험에 사용한 희토광물계 비료는 시판되고 있는 IAA 발근촉진제 대체품으로서의 이용 가능성을 확인할 수 있었다.
본 연구는 순비기나무와 위성류의 삽목증식에 있어서 희토광물계 비료가 발근성적에 미치는 효과를 구명하기 위하여 수행되었다. 삽목시험은 2008년에 수행되었으며, 그 결과를 요약하면 다음과 같다. 순비기나무와 위성류의 발근율, 평균 뿌리 수, 평균 뿌리길이는 희토비료를 처리할 때 무처리 대조구에 비해 증가한 경향을 보였다. 특히, 희토비료 1/2500 희석액의 발근효과가 뚜렷하였다. 이러한 성적은 IAA 발근촉진제에 상응하는 결과이었다. 다만, 위성류의 발근율은 무처리 대조구를 제외한 모든 처리구에서 100%의 발근율을 보임으로써 희토비료 희석액 농도에 따른 발근율의 차이는 없었으나, 발근촉진 효과는 기대할 수 있었다. 희토 희석액의 침지시간에 따른 삽수의 발근성적은 순비기나무와 위성류의 모든 처리구에서 10분 침지한 처리구보다는 60분 침지한 처리구에서 상대적으로 높은 경향을 보였다. 따라서 순비기나무와 위성류의 발근율, 평균 뿌리수 및 평균 뿌리길이 등을 분석한 결과를 기준으로 희토 처리 수준 및 효과를 판단하면, 발근촉진제 처리농도는 희토 1/2500 이하의 저농도에서 60분 침지할 경우 삽수 발근 향상에 충분한 효과가 있었다. 따라서 시험에 사용한 희토광물계 비료는 시판되고 있는 IAA 발근촉진제 대체품으로서의 이용 가능성을 확인할 수 있었다.
This study investigated the effects of rare-earth fertilizer on the shoot cuttings' rooting of Vitex rotundifolia L. and Tamarix chinensis Lour. The shoot cutting test was carried in 2008 and the main results are summarized as follows. The rate of rooting and the average roots increased in both numb...
This study investigated the effects of rare-earth fertilizer on the shoot cuttings' rooting of Vitex rotundifolia L. and Tamarix chinensis Lour. The shoot cutting test was carried in 2008 and the main results are summarized as follows. The rate of rooting and the average roots increased in both number and length when rare-earth fertilizer is treated in V. rotundifolia and T. chinensis in comparison to those of the untreated control plot. In particular, when rare-earth fertilizer is diluted with water 1/2500, the rooting outstandingly increases. This result is almost similar to the effect of the rooting stimulant, IAA. Although there is no differentiation in its rooting rate according to the density, the rooting of T. chinensis shows a 100 percent effect on in the entire treated plot but not in the untreated control plot, so it is usable as a rooting stimulant. As for shoot cuttings' rooting, depending on the time immersed in diluted solution of rare-earth fertilizer, both V. rotundifolia and T. chinensis showed relatively higher percentages in all treatment plot immersed for 60 minutes than for 10 minutes. In conclusion, considering the results of the rooting percentage and the average number and length of roots of V. rotundifolia and T. chinensis, the shoot cuttings' rooting appeared higher in percentage when they were immersed in the rooting stimulant for sixty minutes with a lower density than 1/2500. This result shows that rare-earth fertilizer can be utilized as an alterative for IAA rooting stimulants currently available in the market.
This study investigated the effects of rare-earth fertilizer on the shoot cuttings' rooting of Vitex rotundifolia L. and Tamarix chinensis Lour. The shoot cutting test was carried in 2008 and the main results are summarized as follows. The rate of rooting and the average roots increased in both number and length when rare-earth fertilizer is treated in V. rotundifolia and T. chinensis in comparison to those of the untreated control plot. In particular, when rare-earth fertilizer is diluted with water 1/2500, the rooting outstandingly increases. This result is almost similar to the effect of the rooting stimulant, IAA. Although there is no differentiation in its rooting rate according to the density, the rooting of T. chinensis shows a 100 percent effect on in the entire treated plot but not in the untreated control plot, so it is usable as a rooting stimulant. As for shoot cuttings' rooting, depending on the time immersed in diluted solution of rare-earth fertilizer, both V. rotundifolia and T. chinensis showed relatively higher percentages in all treatment plot immersed for 60 minutes than for 10 minutes. In conclusion, considering the results of the rooting percentage and the average number and length of roots of V. rotundifolia and T. chinensis, the shoot cuttings' rooting appeared higher in percentage when they were immersed in the rooting stimulant for sixty minutes with a lower density than 1/2500. This result shows that rare-earth fertilizer can be utilized as an alterative for IAA rooting stimulants currently available in the market.
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문제 정의
This study was started in order to study the effects of rare earth fertilizer, known for enhancing resistibility on various disasters through physiobiochemical mechanism, on uprooting as a part of the tree proliferation method.
제안 방법
In order to analyze the effect on rooting of rare-earth fertilizer according to the concentration of rare-earth diluted solution and the time of immersion, this study measured and analyzed the test result 60 days after cutting. Figure 1 shows status of test plot arrangement and rooting score of Vitex rotundifolia cutting slips at 60 days after cutting.
chinensis hardwood. In their study, they used vermiculite+perlite as bed soil and planted cutting slips after dipping them in variously combined rooting stimulants IAA and NAA between 50~2300ppm. The result is that while standard plots showed a 40% rooting rate, the rooting rate of rooting stimulant treated plots increased, with a minimum of 60% (NAA 100ppm) and maximum of 100% (IAA 100ppm).
The immersion time of cutting slips in diluted solution of rare-earth fertilizer is distinguished by two levels: 10 minutes and 60 minutes. The treatment method is as follows; the bases of cutting slips were immersed in the diluted water combining the concentration of diluted water and immersion time and planted in cutting beds.
대상 데이터
Testing bed was designed by triple time in each treatment and cutting slips were managed at an amount of 200 units in each testing bed.
This study proceeded at the nursery green house of the Experiment Forest of the College of Agriculture & Life Sciences of Chonbuk National University.
데이터처리
Measurement categories are the survival rate andwithering rate, rooting rate and number of rooting, measurement of root length(the longest, the shortest, and the average length of roots), result of untreated ones and IAA, and comparison analysis. Statistical analysis of variance was conducted using PROC GLM procedure in the SAS statistical package (SAS Institute, 2010).
성능/효과
In this study, all the rare-earth fertilizer treated plots showed a 100% rooting rate which is the same score reported from the previous study of IAA 100ppm. With the result, it is possible to judge that rare-earth fertilizer has almost the same root stimulating effect as IAA and NAA.
thunbergii. In this study, compared to that of an untreated control plot, the survival rate of Pinus strobus increases the most when treated with 1/2000 diluted solution of rare earth once, as well as that of P. thunbergii which increases the most when treated twice with 1/2000 diluted solution. Furthermore, the survival rate of both species increased in 200mM of highly concentrated NaCl treatment plots compared to the untreated control plots.
In their study, they used vermiculite+perlite as bed soil and planted cutting slips after dipping them in variously combined rooting stimulants IAA and NAA between 50~2300ppm. The result is that while standard plots showed a 40% rooting rate, the rooting rate of rooting stimulant treated plots increased, with a minimum of 60% (NAA 100ppm) and maximum of 100% (IAA 100ppm). In addition, they reported root stimulating effect according to various sorts of rooting stimulants and treatment concentration did not show any consistent tendency.
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