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원동찬,홍동오,이재무,이흥렬,김현정,한지학 한국육종학회 2013 한국육종학회지 Vol.45 No.2
2009년에 ‘MS-BGT’와 ‘NHMF’의 고정계통을 교배하여 육성한 특성 및 수량이 우수한 품종으로 ‘티티찰’을 육성하였다. ‘티티찰’의 주요특성은 TMV, TYLCV, TSWV, 잎곰팡이에 내병성으로 7~9월에 정식하는 품종이다. 숙기는 중조생종으로 당도가 평균 9~10 brix로 높으며 식미가 우수하고 평균과중은 23~25 g 내외의 중대과종 대추형 방울토마토이다. 경도가 강하여 저장성이 우수하며 열과 발생이 적고, 초세가 비교적 강하면서 이상줄기 발생이 적어 재배가 용이한 품종이다. ‘Titi Chal’ with elite characteristics and high fruit yield was developed from a cross between ‘MS-BGT’ and ‘NHMF’ in 2009. The cultivar has multiple disease resistances against Tobacco mosaic virus, Tomato yellow leaf curl virus, Tomato spotted wilt virus and Leaf mold disease. The early and medium-maturing variety can be transplanted on July to September. The cherry tomato presents longer shelf-life due to higher fruit firmness and also has high eating quality with 9~10 brix of sugar content. The fruit shape is red plum type with an average fruit weight of 23~25 g. The ‘Titi Chal’ is more reliable to be cultivated because of medium-strong plant-vigor and low occurrence of creased stem.
원동찬,홍동오,이재무,이흥렬,김현정,한지학 한국육종학회 2013 한국육종학회지 Vol.45 No.2
‘MS-CDE’와 ‘VFR’의 고정된 계통을 교배하여 특성 및 수량이 우수한 F1 품종인 ‘TY알토랑’을 육성하였다. ‘TY알토랑’의 주요특성은 TMV, TYLCV, 근부위조병, 잎곰팡이병에 내병성이며, 2~3월, 7~9월에 정식하는 품종으로 숙기는 중조생종으로 평균과중 225 g 내외의 고구형의 완숙 대과종토마토이다. 경도가 강하여 저장성이 우수하고 과형이 정연하며, 착과가 안정되어 수량성이 높다. 또한 초세가 강하면서 이상줄기 발생이 적어 재배가 안정적인 품종이다. ‘TY Altorang’ was developed from a cross between ‘MS-CDE’ and ‘VFR’ in 2009. The cultivar has multi-disease resistances against Tobacco mosaic virus(TMV), Tomato yellow leaf curl virus(TYLCV), Fusarium crown and root rot and Leaf mold disease. Additionally, this cultivar produces larger fruit set resulting in higher fruit harvest. Fruit shape is fair and uniformed ovate type with an average fruit weight of 225 g as a beef-steak type tomato, and the fruit presents longer shelf-life due to higher fruit firmness. The early and medium-maturing variety can be transplanted in February to March, or July to September. Medium-strong plant-vigor and low occurrence of creased stem allow, relativey easy cultivation.
한국잔디종자의 발아촉진을 위한 Sodium Hypochlorite와 Potassium Hydroxide 처리효과의 비교
구자형,원동찬,김태일 한국잔디학회 1988 한국잔디학회지 Vol.2 No.1
Research was conducted to obtain easy and secure methods for promoting germination of Korean lawngrass (Zoysia japonic a Steud.) seed. The effect of sodium hypochiorite (NaOCl) treatment on germination of seeds was compared with that of potassium hydroxide (KOH) treatment under conditions of duration of seed storage after harvest and temperature of treatment. Emergence of seedlings from soil and micro-flora infection rate among seed treatments were investigated. 1. The promotion of germination was much more evident in seeds treated with 4% NaOCl for 8 and 10 hours than in seeds treated with 25% or 30% KOH for 30 and 40 minutes. Longer durations of storage before seed treatment in KOH than in NaOCl were required to initiate enough germination. 2. Differences in temperature of treatment with NaOCT did not have much influence on germination of seeds and treatment temperature of 15˚C was better than that of 200˚C and 300˚C for promoting germination. But seed treatment with KOH significantly promoted germination with increasing temperature of treatment from I 5˚C to 20˚C and 30˚C. 3. GA$_3$ treatment enhanced germination in NaOCl-pretreated seeds at early stage of imbibition and in-creased about 10% germination after 10 days of imbibition in KOH-pretreated seeds. 4. NaOC1 treatments significantly decreased the rate of the infection of microflora in seed samples and enhaced emergence of seedlings from soil compared with KOH treatment. 5. NaOC1 treatment had advantage over KOH treatment with respect to ease of preparing, securing and handling in stimulating germinating of Korean lawngrass seeds.
구자형,원동찬,조정희,신대식 忠南大學校 環境問題硏究所 1998 環境硏究 Vol.16 No.-
Seven cultivars of tomato were exposed to 0.15μL/L ozone for 20 hours to determine differences in sensitivity. Based upon the degree of foliar injury, the highest degree of sensitive cultivars were 'Daehyongboksu' and 'Goangsu'. Four cultivars, 'Goangmyong', 'Pungyoung' and 'Pinkglory' including 'Pinkforcer' were separated into intermediate sensitive group. 'Neabyongjangsu' was the least sensitive of the 7 tomato cultivars tested. The degrees of ethylene production and epinasty of leaves were relatively consistent with the differences of sensitivity to ozone. However, stomatal and trichome density, transpiration rate, and activities of peroxidase and superoxide dismutase were not clearly related to the ozone sensitivity of cultivars.
Uniconazole과 Silver Thiosulfate 處理가 강남콩의 오존 被害 輕減에 미치는 效果
具滋馨,元東瓚,趙正熙,申大植 충남대학교 농업과학연구소 1992 농업과학연구 Vol.19 No.2
Studies were conducted to examine the effects of single or combined treatment of uniconazole [(E)-1-(4-chlorophenyl)-4, 4-dimethyl 2(1, 2,-4-triazol-1-yl)-1-penten-3-ol)] and silver thiosulfate (STS) on reducing ozone injury to snap beans (Phaseolus vulgaris L. `Strike'). Two weeks after seeding, plants were given a soil drench of uniconazole(XE-1019) solution at concentrations of 0.001, 0.005 and 0.025 mg/pot. and then two days prior to ozone fumigation. 0.3 and 0.6 mM STS containing 0.01% Tween-20 were also sprayed. Uniconazole was effective in providing protection against ozone injury through increase activities of free radical scavengers such as superoxide dismutase (SOD) and peroxidase (POD) as well as the increase of chlorophyll content and stomatal resistance resulted from plant growth retardation. The phytoprotective effects of STS seemed to be related to its properly of blocking the ethylene action and increasing activities of SOD and POD. Even at low concentrations, a combined treatment with uniconazole drench, STS spray significantly reduced ozone injury compared to single application.