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콩 雄性不稔集團에 있어서 花粉媒介忠 총채벌레의 發生消長과 選好性 關聯 形質
Mi Young Rho(盧美英),Young Hyun Hwang(黃永鉉) 한국육종학회 1993 한국육종학회지 Vol.25 No.3
This study was conducted to be prepared for the commercial production of hybrid(F₁) soybean seeds by either developing the practical cytoplasmic male-sterility or gametocides. Number of pods of male-strile plant were about a half of those of fertile plant, 40 pods per plant, equivalent to 800㎏ of seed yield per hectare. The inhabitaiton density of thrips(Podothrips graminum) which was the only insect that inhabited in the flower was the highest from the end of July to the early of August in Taegu area and decreased thereafter. So it is inferred that the flowering of male sterile population for hybrid seed production should be adjusted to this period. Mean number of thrip per flower showed no significant difference between the fertile and the male-sterile plants in the male-sterile population, but a great deal of varietal differnece in the number of thrips was found ; the higest inhabitatiion density was found in Jangkyungkong, Hwangkeumkong and Jangyeobkong and followed by Williams, Williams 79, L71-9120, Union and L62-5366. Soybean varieties showed the lowest inhabitation density were Jangbaekkong, Baegunkong, Paldalkong and Baekcheon. No preferencial difference in the inhabitation density of thrips for the growth habits, flower color and nectar contents of soybeans was seen but high positive correlation was recognized between the 100 seed weight or flower size and the inhabitation densety. Therefore, it is advisable to develop the malesterile population towards having plants of large seeded and to use large seeded pollen parent, at the same time, when hybrid seeds are produced.
담액 수경재배 시 양액농도 처리가 혼식한 쌈 채소류와 허브류의 생육과 무기양분 흡수에 미치는 영향
서태철(Tae Cheol Seo),노미영(Mi Young Rho),강남준(Nam Jun Gang),이성찬(Seong Chan Lee),최영하(Young Hah Choi),윤형권(Hyung Kweon Yun) (사)한국생물환경조절학회 2007 생물환경조절학회지 Vol.16 No.4
국화과 13종과 배추과 14종의 쌈채소류, 그리고 허브류 7종을 담액식 수경재배 시스템에 혼식하여 EC 1.2, 2.4 및 3.6dSㆍ?¹ 배양액을 공급하여 배양액의 pH와 EC 변화, 식물체의 생육과 무기양분 흡수 특성을 조사하였다. pH는 양액농도가 높을수록 낮아졌고, EC는 양액농도가 높은 처리에서 높아 EC 3.6dSㆍ?¹ 처리에서 4.8dSㆍ?¹까지 높아졌다. 생육은 여름철에는 국화과와 허브류는 EC 1.2dSㆍ?¹, 배추과는 2.4 dSㆍ?¹의 배양액에서 양호하였고, 가을철에는 EC 2.4dSㆍ?¹ 처리에서 대부분 작물이 생육이 양호하였다. 무기양분의 흡수는 생육이 양호했던 가을철이 여름철보다 T-N과 K 함량이 높았다. 작물별로는 배추과가 국화과와 허브류에 비해서 T-N, K, Ca, 그리고 Mg 함량이 높았으며, Fe과 Mn 함량은 오히려 국화과에서 높았다. 결과적으로 국화과와 배추과 쌈채소류와 몇 가지 허브류를 혼식하여 한 가지 배양액으로 수경재배 시 여름철에는 EC 1.2dSㆍ?¹, 가을에는 EC 2.4dSㆍ?¹로 재배하면 유리할 것으로 판단되었다. The twenty seven wrap-up vegetables (13 Compositae, 14 Brassicaceae) and seven herbs (6 Labiatae, 1 Umbelliferae) were cultivated with a deep flow technique (DFT) hydroponic beds and treated with 3 levels of nutrient solution concentrations of 1.2, 2.4, and 3.6 dSㆍm?¹ in summer and autumn season. The pH and electrical conductivity (EC) change of nutrient solution, fresh weight, and mineral contents of plants were investigated. The pH was maintained lower in high electrical conductivity (EC) treatment and in summer than autumn. EC of nutrient solution in EC 3.6 dSㆍm?¹ treatment increased up to 4.8 dSㆍm?¹ during the growing period in summer season. The growth of tested plants showed high variations by plant species and nutrient solution concentrations. The coefficient variation (CV) of the shoot fresh weight of plants was higher in summer than autumn. The growth of Compositae and herbs was better at EC 1.2 dSㆍm?¹, and 14 Brassicaceae was better at EC 2.4 dSㆍm?¹ in summer. In autumn, the growth was better at EC 2.4 dSㆍm?¹ in all plants except kale ‘TBCFl’ and red rape ‘honchaetae’. In mineral contents, total nitrogen and potassium were higher in autumn than summer. Total nitrogen, potassium, calcium, magnesium were higher in Brassicaceae than others. Iron and manganese, however, were higher in Compositae. As the results, this study suggests that mixed planting of 27 wrap-up vegetables and 7 herbs in OFT hydroponics in two seasons was possible and EC 1.2 dSㆍm?¹ in summer and EC 2.4 dSㆍm?¹ in autumn be recommended as for the nutrient solution concentration to produce them safely year round.
담액 수경재배 시 양액농도 처리가 혼식한 쌈 채소류와 허브류의 생육과 무기양분 흡수에 미치는 영향
서태철(Tae Cheol Seo),노미영(Mi Young Rho),강남준(Nam Jun Gang),이성찬(Seong Chan Lee),최영하(Young Hah Choi),윤형권(Hyung Kweon Yun) (사)한국생물환경조절학회 2005 생물환경조절학회지 Vol.14 No.2
국화과 13종과 배추과 14종의 쌍채소류, 그리고 허브류 7종을 담액식 수경재배 시스템에 혼식히여 EC 1.2, 2.4 및 3.6dSㆍm?¹의 배양액을 공급하여 배양액의 pH와 EC 변화, 식물체의 생육과 무기양분 흡수 특성을 조사하였다. pH는 양액농도가 높을수록 낮아졌고, EC는 양액농도가 높은 처리에서 높아 EC 3.6dSㆍm?¹ 처리에서 4.8dSㆍm?¹까지 높아졌다. 생육은 여름철에는 국화과와 허브류는 EC 1.2dSㆍm?¹, 배추과는 2.4dSㆍm?¹의 배양액에서 양호하였고, 가을철에는 EC 2.4dSㆍm?¹ 처리에서 대부분 작물이 생육이 양호하였다. 무기양분의 흡수는 생육이 양호했던 가을철이 여름철보다 T-N과 K 함량이 높았다. 작물별로는 배추과가 국화과와 허브류에 비해서 T-N, K, Ca, 그리고 Mg 함량이 높았으며, Fe과 Mn 함량은 오히려 국화과에서 높았다. 결과적으로 국화과와 배추과 쌈채소류와 몇 가지 허브류를 혼식하여 한 가지 배양액으로 수경재배 시 여름철에는 EC 1.2dSㆍm?¹, 가을에는 EC 2.4dSㆍm?¹로 재배하면 유리할 것으로 판단되었다. The twenty seven wrap-up vegetables (13 Compositae, 14 Brassicaceae) and seven herbs (6 Labiatae, 1 Umbelliftrae) were cultivated with a deep flow technique (DFT) hydroponic beds and treated with 3 levels of nutrient solution concentrations of 1.2, 2.4, and 3.6 dSㆍm?¹ in summer and autumn season. The pH and electrical conductivity (EC) change of nutrient solution, fresh weight, and mineral contents of plants were investigated. The pH was maintained lower in high electrical conductivity (EC) treatment and in summer than autumn. EC of nutrient solution in EC 3.6 dSㆍm?¹ treatment increased up to 4.8 dSㆍm?¹m during the growing period in summer season. The growth of tested plants showed high variations by plant species and nutrient solution concentrations. The coefficient variation (CV) of the shoot fresh weight of plants was higher in summer than autumn. The growth of Compositae and herbs was better at EC 1.2 dSㆍm?¹, and 14 Brassicaceae was better at EC 2.4 dSㆍm?¹ in summer. In autumn, the growth was better at EC 2.4 dSㆍm?¹, in all plants except kale 'TBC F1' and red rape 'honchaetae'. In mineral contents, total nitrogen and potassium were higher in autumn than summer. Total nitrogen, potassium, calcium, magnesium were higher in Brassicaceae than others. Iron and manganese, however, were higher in Compositae. As the results, this study suggests that mixed planting of 27 wrap-up vegetables and 7 herbs in DFT hydroponics in two seasons was possible and EC 1.2 dSㆍm?¹ in summer and EC 2.4 dSㆍm?¹ in autumn be recommended as for the nutrient solution concentration to produce them safely year round.
비우세손의 절대적,상대적 타이밍 학습을 위한 양손 연습의 효과
김수연 ( Soo Yeon Kim ),노미영 ( Mi Young Rho ),박승하 ( Seung Ha Park ),이승민 ( Seung Min Lee ) 한국스포츠심리학회 2014 한국스포츠심리학회지 Vol.25 No.2
Purpose: The purpose of this study was to investigate the effective learning method of non-dominant hand for the sequential timing performance. Methods: Twenty right-handed undergraduate and graduate students were randomly assigned to the non-dominant hand practice group that practiced with only non-dominant hand or the bimanual practice group that practiced with both hands simultaneously. The participant was asked to alternatively press two buttons six times with the index finger of the non-dominant hand or both hands in order to reproduce accurately the goal rhythm pattern (3,600ms in total duration). The goal rhythm pattern had three rhythm types and two perceptual structures, which the (in) congruent structure was that the structure of auditory signal was (or not) in accordance with that of visual signal. Results: Bimanual practice group was more effective for absolute-timing learning than non-dominant hand practice group. Although absolute timing performance improved in congruent structure during acquisition phase, the learning effect on absolute timing was occurred in incongruent structure. Relative timing performance of two groups improved in congruent structure during acquisition phase, but the learning effect on relative timing was occurred in both perceptual structures. Conclusion: We suggest that practice methods should be applied differently for absolute timing or relative timing, and the possibility of improving the learning effect of a non-dominant hand by utilizing an incongruent structure of visual-auditory information.