농업유용미생물을 이용한 원예 및 채소작물의 건전 유묘 생산을 위하여 본 연구에서는 growth pouch 실험을 통하여 6가지 식물생육촉진 미생물을 접종하여 작물의 초기 뿌리 생장에 미치는 영향을 살펴 보았다. 본 실험에 사용한 6가지 균주는 Methylobacterium oryzae CBMB20, Methylobacterium phyllosphaerae CBMB27, Methylobacterium suomiense CBMB120, Methylobacterium strains CBMB12, CBMB15와 CBMB17이었다. 대조구와 비교했을 CBMB12, CBMB17, 및 CBMB20접종은 상추 초기 뿌리 생육에 유의성있는 효과를 보였고, CBMB102접종은 배추 초기 뿌리 생육에 유의성있는 효과를, CBMB27접종은 토마토의 초기 뿌리 생육에 유의성있는 효과를 보였다. 또한 Methylobacterium suomiense CBMB120접종은 오이, 토마토, 배추, 그리고 Methylobacterium strain CBMB12접종은 고추의 뿌리 초기 생장을 크게 촉진시켰음을 알 수 있었다. 위의 결과를 통하여 실험한 균주들을 각각의 작물 육묘 포트에 처리할 때에도 유묘의 생장속도를 촉진 시킬수 있음을 예상할 수 있다.
농업유용미생물을 이용한 원예 및 채소작물의 건전 유묘 생산을 위하여 본 연구에서는 growth pouch 실험을 통하여 6가지 식물생육촉진 미생물을 접종하여 작물의 초기 뿌리 생장에 미치는 영향을 살펴 보았다. 본 실험에 사용한 6가지 균주는 Methylobacterium oryzae CBMB20, Methylobacterium phyllosphaerae CBMB27, Methylobacterium suomiense CBMB120, Methylobacterium strains CBMB12, CBMB15와 CBMB17이었다. 대조구와 비교했을 CBMB12, CBMB17, 및 CBMB20접종은 상추 초기 뿌리 생육에 유의성있는 효과를 보였고, CBMB102접종은 배추 초기 뿌리 생육에 유의성있는 효과를, CBMB27접종은 토마토의 초기 뿌리 생육에 유의성있는 효과를 보였다. 또한 Methylobacterium suomiense CBMB120접종은 오이, 토마토, 배추, 그리고 Methylobacterium strain CBMB12접종은 고추의 뿌리 초기 생장을 크게 촉진시켰음을 알 수 있었다. 위의 결과를 통하여 실험한 균주들을 각각의 작물 육묘 포트에 처리할 때에도 유묘의 생장속도를 촉진 시킬수 있음을 예상할 수 있다.
Healthy seedling generation is the major concern in overcoming adverse effects of biotic and abiotic stresses during tender stage of development in vegetables and horticultural crops. Because of this, priority is given to research leading to the generation of healthy seedlings in crops subjected to ...
Healthy seedling generation is the major concern in overcoming adverse effects of biotic and abiotic stresses during tender stage of development in vegetables and horticultural crops. Because of this, priority is given to research leading to the generation of healthy seedlings in crops subjected to transplanting and bedding. In this study, growth pouch experiments were conducted to determine the effect of inoculation of six different strains of Methylobacterium sp. namely, M. oryzae CBMB20, M. phyllosphaerae CBMB27, M. suomiense CBMB120, and Methylobacterium strains CBMB12, CBMB15 and CBMB17 on the seedling development of the vegetable crops cabbage, Chinese cabbage and cucumber; and horticultural crops tomato and red pepper. Crops treated with the test strains generally showed higher seedling dry matter accumulation compared to the control. Significantly higher accumulation was exhibited by CBMB12, CBMB17, and CBMB20 in cabbage, as well as for CBMB27 and CBMB120 on tomato and Chinese cabbage, respectively. Furthermore, all the strains promoted root elongation in cucumber and tomato seedlings while in Chinese cabbage and red pepper, root elongation was observed with CBMB120 and CBMB12 inoculation, respectively. Large scale nursery study is needed to develop a thorough protocol for healthy seedling development with the use of these strains.
Healthy seedling generation is the major concern in overcoming adverse effects of biotic and abiotic stresses during tender stage of development in vegetables and horticultural crops. Because of this, priority is given to research leading to the generation of healthy seedlings in crops subjected to transplanting and bedding. In this study, growth pouch experiments were conducted to determine the effect of inoculation of six different strains of Methylobacterium sp. namely, M. oryzae CBMB20, M. phyllosphaerae CBMB27, M. suomiense CBMB120, and Methylobacterium strains CBMB12, CBMB15 and CBMB17 on the seedling development of the vegetable crops cabbage, Chinese cabbage and cucumber; and horticultural crops tomato and red pepper. Crops treated with the test strains generally showed higher seedling dry matter accumulation compared to the control. Significantly higher accumulation was exhibited by CBMB12, CBMB17, and CBMB20 in cabbage, as well as for CBMB27 and CBMB120 on tomato and Chinese cabbage, respectively. Furthermore, all the strains promoted root elongation in cucumber and tomato seedlings while in Chinese cabbage and red pepper, root elongation was observed with CBMB120 and CBMB12 inoculation, respectively. Large scale nursery study is needed to develop a thorough protocol for healthy seedling development with the use of these strains.
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대상 데이터
This is particularly true for transplanted and bedding plants where sufficient root shoot ratio is important for higher rate of survival and to ensure a good take off during transplantation (Zandstra and Liptay, 1999). In this study, the effect of six different Methylobacterium strains on seedling development of five different crops was investigated. Three of these Methylobacterium strains have been previously evaluated for their positive plant growth promoting properties (Madhaiyan et al.
Test plants Cabbage (Brassica oleracea var. capitata), Chinese cabbage (Brassica rapa), cucumber (Cucumis sativus'), tomato (Lycopersicon esculentum Mill) and red pepper (Capsicum annum L) were used as test plants.
데이터처리
Statistics analysis Data generated were normalised, and mean standard error (SE), analysis of variance and least significant difference (LSD) were calculated using SAS Version 9.1 (SAS, 2004).
성능/효과
42% higher than control) was obtained for Methylobacterium strain CBMB12. Similarly, the highest percentage of root elongation recorded among the treated seedlings was found for CBMB17 in cabbage and CBMB12 in tomato, at 100% and 32.6%, respectively. For the same plant species, the lowest (16.
후속연구
, 2002). Further investigation is however needed to develop a more efficient formulation to promote early seed germination and healthy seedling development. This study reports on the effect of inoculation of six strains of genus Methylobacterium spp.
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