할미꽃 신품종 ‘겨비’는 전라남도농업기술원에서 2001년에 자생 할미꽃(Pulsatilla koreana) 종자를 화학적 돌연변이를 유발(sodium azide 3 mM/16 hr)하고, 2004년과 2005년에 특성검정을 통해 2005년에 육성되었다. ‘겨비’의 꽃은 적자색이고 약은 진노랑, 주두는 적자색이며 화형은 겹꽃으로 꽃잎이 12매이다. 주당 화경은 6.3개, 화경장과 엽장은 각각 26.4, 14.2 cm이고, 화폭과 포폭은 각각 7.5, 11

The study was conducted to investigate the effects of organic fertilizers and mulches on the growth and CO₂ assimilation in MM.106 apple trees. Growth and CO₂ assimilation of MM.106 apple trees grown in a greenhouse were affected by the nutrient concentrations and carbon (C) and nitrogen (N) ratio in the raw materials of organic fertilizers and mulches. The optimum C:N ratios, which makes microorganism convert the organic N into the inorganic N, were obtained in the organic fertilizer, poultry litter, green compost, and grass clippings, resulting in increasing single shoot height, SPAD, and CO₂ assimilation. The SPAD and CO₂ assimilation were affected by the treatments 5 weeks after the treatments, and then the tree growth was affected by the treatments 6 weeks later. The most efficient tree growth and development were observed in the 10 to 15 ㎎ㆍ㎏⁻¹ of the inorganic N in a soil, and the N was strongly related to the tree growth and development.

할미꽃 신품종 ‘연홍’은 P. davurica와 P. koreana를 종간교잡하여 2003년에 전라남도농업기술원에서 육성되었고 유전적으로 자가불화합성의 특성을 가지고 있다. ‘연홍’의 화색은 진분홍이고 약은 진노랑, 주두는 진분홍, 꽃잎은 6매이며 엽은 녹색이다. 한편 개화특성은 년 2회 개화성이다. 주당 화경은 26.5개, 화경장과 절화장은 각각 58.6 cm와 46.8 cm, 포의 폭은 11.5 cm, 엽장은 34.4 cm이다. 꽃과 포의 절화수명은

A rose cultivar “aedoji”developed at the Jeollanamdo Agricultural Research and Extention Services (JARES) is a standard type with deep Red flower. From 2000, two cultivars ‘ital’and 'Cardinal' were examined for horticultural characteristics and were included in cross-combination in 2003. Cultivar ‘ital’ a vigorous standard type, first preference with red flower, was used as a mother plant and cultivar ‘ardinal’ a red flower standard type with light color, was used as a pollen-donor plant. seventeen six breeding lines were selected in 2004 based on flower shape, flower color and abundance of petal numbers on the first selection. two breeding lines were selected in 2004 based on powderly mildew and vigor on the second selection. For three years, from 2005 till 2007, one breeding lines were selected and examined for their productivity, and then cultivar “aedoji”was developed because of distinctive characters such as light red color flower, upright stem, long vase-life and Resistance to the Powderly Mildew. A standard type with intermediate sized flower, cultivar “aedoji”shows in average 9.2 cm flower diameter, 62.0 cm flower stem length, and 9.5 days vase-life. The average productivity for three years was 167.3 stems ㆍm-2 per year and increased 2% compare to cultivar ‘iamo’with 163.9 stemsㆍm-2 per year.

For developing standard method for diease, pest and weed control in environmental friendly ‘Ssam’ vegetable cultivation, this study was carried out to investigating agriculture material use in organic agriculture and no pesticide cultivation for lettuce, kale, leafy perilla and korean cabbage. The 28.6% of investigated farmer carried out seed sterilization by seed selection with salt solution and soaking in chitosan that not validated. For raising seedling periods, the 55.6% of farmer did not use environmental-friendly agriculture material for, diease control and the 50% of farmer used one time for. pest control. Therefore, the control of disease and pest could be achieved with one or two times use of environmental-friendly agriculture material. Seed sterilization was carried out by soil solar sterilization, one time per year in 71.4% of farmer. Weed was controled by black PE film for weed germination of furrow in many farmer, by man-power weeding for weed of ridge in 85% of farmer and by machine weeding and mulching in some farmer. During cultivation period, the major pest were Aphis gossypii in lettuce, Plutella xylostella in kale, Plutella xylostella and Phyllotreta striolata (Fabricius) in korean cabbage and Pyrausta panopealis (Walke) in leafy perilla. The many farmers used environmental-friendly agriculture material for control of pest over 10 times for spring season, and more used sold materials in market than home-made materials. In result, it needs to develop standardized method and validate cultivation methods for control of disease and pest, and seed sterilization treatment environmentalfriendly ‘Ssam’ vegetable.

The potential of the predatory mite Phytoseiulus persimilis (Acarina : Phytoseiidae) to control two spotted spider mite Tetranychus urticae (Acarina : Tetranychidae) was investigated on sustainable strawberry fields in Jeonnam area. The density of T. urticae increased from 4th and 7th weeks after single and two timings release P. persimilis, respectively. On the three timings of release plot, number(density) of T. urticae on a leaf maintained fewer than 10 during the 15 weeks after release. In the 1,000 release of P. persimilis per 100㎡ plot, P. persimilis could not suppress T. urticae. In the 2,000 release plot, P. persimilis could suppress T. urticae with low density which was the similar in the 3,000 release plot. Twospotted spider mite, T. urticae, occurred from late March and increased density in Hampyeong area. In the P. persimilis released field, T. urticae inhibited continuously after release. In Boseong area, density of P. persimilis increased 50 per 10 leaves through increasing of T. urticae. Percent of occurrence of T. urticae showed high 10.5~75.5% in none-release predatory mite but not high in release treatment. T. urticae on sustainable strawberry field could be inhibited by P. persimilis.

남부지방(南部地方)에서 황금재배시(黃琴栽培時) 적정(適正) 파종기(播種期)와 재식밀도(栽植密度)를 구명(究明)하여 재배기술(栽培技術)을 개선(改善), 보완(補完)하고 수양(收量)을 증대(增大)시켜 안정생산(安定生産)에 기여(寄與)하고자 여천종(麗川種)을 공시(供試)하여 책시(責施)한 시험결과(試驗結果)를 요약(要約)하면 다음과 같다. 1. 출아률(出芽率)은 비닐피복(被覆) 재배(栽培)가 무피복재배(無被覆栽培)에 비하여 48% 높았고 비닐피폭(覆栽) 재배시(栽培時) 파종기(播種期) 및 피복(被覆) 재료(材料) 간(間)에는 5월(月) 10일(日일) 파종(播種)이 93%, 투명(透明)P.E피복재배(被覆栽培)가 90%로서 가장 높았으며 무피복(無被覆) 재배(栽培)에서는 4월(月) 1일(日) 조기파종(早期播種)에서 양호(良好)하였다. 2. 개화기(開花期)는 4(월)月 1일(日) 조기파종(早期播種)과 투명(透明)P.E피복재배(被覆栽培)가 빠른 경향(傾向)이었고 개화(開花) 소요(所要) 일수(日數)는 5월(月) 10 일(日) 파종(播種)에서 74~80일(日) 로 가장 짧았다. 3. 동엽중(童葉重)등 지상부(地上部) 생육양(生育量)과 주근장(主根長), 근경(根徑), 상근수(上根數)등 지하부(地下部) 생육양(生育量)은 파종기(播種期) 간(間)에는 4월(月) 20일(日,) 피복(被覆)비닐 종류간(種類間)에는 흑색(黑色)P. E 피복재배(被覆栽培)가 증가(增加)되었다. 4, 건근수양(乾根收量)은 파종기(播種期) 간(間)에는 4월(月)20일(日) 파종(播種)이 4월(月) 1일(日) 파종(播種)(109.Sfg/10a)에 비해 5% 증수(增收) 가져 왔으며 피복재료(被覆材料) 간(間)에는 흑색(黑色)P.E피복재배(被覆栽培)가 투명(透明)P.E 피복재배(被覆栽培) (99.4kg/10a) 대비(對比) 13% 증수(增收)를 보였고 무피복(無被覆) 재배(栽培)에서는 4월(月) 1일(日) 조기파종(早期播種)에서 가장 증수(增收)를 나타냈다.

This study was conducted to investigate desirable storage method to major chinese herbal medicine materials, Moutan Radicis Cortex in different packing materials and sealing degree. The loss in weight of Moutan Radicis Cortex as influenced by packing materials was the lowest at complete sealing treatment with transparent or black polyethylene film. The rot ratio of Moutan Radicis Cortex during the storage period was not difference between packing materials, transparent and black polyethylene film, but rot ratio of complete sealing condition was lower than punch (ΦJ5mm) on polyethylene film.

The experiment was carried out to study the influence of seeding dates, planting densities and fertilizer application levels on some agronmic characters and yield of fresh weight in Agastache rugosa. The results obtained are summarized as follow; Fresh weight was increased on Apr. 1 seeding date. Therefore, optimum time for sowing was on Apr. 1. Stem length was long in dense planting and short in spacious planting. Stem diameter was thick in spacious planting, and was thin in dense planting. Yield was higher in dense planting densities(10×20cm:50 plants/m2, 20×20cm:25 plants/m2, (30×20cm:17 plants/m2) Fertilizing (N:P2O5;K2O=6:6:6kg/10a) was increased than without fertilizing because stem length and number of leaf were good.