Background : This study for the stable production and supply of seeds of Angelica gigas Nakai(Man-chu Korean Angelica), when seeds harvested using nets, seed productivity was investigated. Methods and Results : Planting density is 50 × 25cm, Fertilizer per 10a was sprayed amount of N-P2O5-K2O = 16-17-10kg. And the amount of compost per 10a was sprayed 3000kg. Seed harvesting nets were used for a time formed the endosperm of the seeds (later in mid-August to late). And net for seed production was used for onion nets (at least 13 × 18cm). Shoot growth conditions were as follows. Bolting rate was 89.0% in the untreated, the treated group was 93.1%. The length and thickness of each stem was 129.3 ~ 130.8cm, 1.8cm. The number of nodes per plant was 6.7 ~ 7.5 pieces, and the number of petiole was 14.8 ~ 15.5 per plant. The number of umbel was 10.3 ~ 11.1 piece per plant, and number of deleted umbel was 7.1 ~ 7.2 piece. Seed weight per plant was 24.2g of the net treatment, but ripening seeds 19.6g, 1000 grain weight were all treated and untreated 2.8g. The total seed weight per plant, the net treated was 24.2g, was the weight of the ripening seeds 19.6g. The weight of the ripening seeds were heavier than those of the control. However, the weight of 1000 grain were both treated and untreated 2.8g. When treated nets, the total seed yield per 10a was 88.0kg production, increased by 60.9% compared to untreated. In addition, the ripening seed production per 10a was 71.5kg production, increased by 50.1% compared to untreated. Researching after germination Seed Production, germination rate was 50.8% in the control group and the treatment group was 54.9%. When applying the germination rate, high-quality seed production per 10a was able to produce 39.2kg, compared to control obtain the results increased by 65%. Conclusion : Through the above results, When producing angelica seed, use of net for seed production is thought to be used as a way to prevent early shattering and insect damage.(True bug, etc.).

To investigate genes related to vernalization and cold- resistance in barley (Hordeum vulgare L. cv. Nagaoka), differentially expressed genes were identified from cold-resistant barley leaves with suppression subtractive hybridization (SSH) and Northern blot analyses. The nucleotide and the deduced amino acid sequences of the putative gene products were compared. The bvrn-7 showed high homology(84%) with gene related to vernalization, and the bvrn-3, bvrn-12, bvrn-28, bvrn-29 and bvrn-36 related to cold-resistant genes had high identity of 88~98% with low temperature-induced genes. The results indicate that the 6 genes were closely related to vernalization and cold-resistance during low temperature treatment.

To identify low temperature-induced genes of wheat chromosome substitution line 5D, suppression subtractive hybridization (SSH) was performed with mRNAs from leaf samples that treated with low temperature (4℃). A cDNA library was constructed using mRNA isolated from wheat chromosome substitution line 5D leaves treated with low temperature (4℃). The nucleotide and deduced amino acid sequences of the putative gene products were compared. wfr-9 and wfr-32 showed identity over 90% related to vernalization gene. Other two genes, wfr-77 and wfr-83 which is related to freezing-resistant gene have also identity over 90%. This result suggest that those genes may be transcribed into antifreeze proteins which are accumulated within leaf apoplasts, when wheat chromosome substitution line 5D is acclimated during low temperature treatment.

“Yeonganbyeo”, a new japonica rice variety (Oryza sativa L.), is a mid- maturing ecotype with high lysine content in kernels that was developed by the rice breeding team of National Yeongnam Agricultural Experiment Station (NYAES) in 2001 and released in 2002. This variety was originated from the single cross of Milyang 122/YR13616 Acp1 (in 1992/1993 winter) and was selected by means of a mixed method of bulk and pedigree breeding. The pedigree of “Yeonganbyeo” was YR15815-B-B-B-30 and designated in 1998 as “Milyang 164”. It has about 83cm in culm length with lodging tolerance. This variety is resistant to bacterial leaf blight (K1, K2, K3), stripe virus, and moderately resistant to leaf blast disease. Milled rice kernels of “Yeonganbyeo” has high lysine content of 4.31% (ratio of amino acid components in total protein), a clear translucent with non-glutinous endosperm and clear in chalkness and good at eating quality by pannel test. The yield potential of “Yeonganbyeo” in milled rice is about 5.45 MT/ha at ordinary fertilizer level of local adaptability test. This cultivar would be adaptable to the southern plain of Korea.

A new rice variety Manweolbyeo is a japonica type developed by the rice breeding team of Yeongnam Agriculturalivationcondition from the progenies of a single cross of Milyang120/Hwayeongbyeo. The selected line(YR16326-8-3-2) from the prog-enies of it cros

“Saesangjubyeo” is a japonica rice cultivar developed from the cross between “Junghwabyeo” and “Sambaegbyeo” at the Sangju Substation of National Yeongnam Agricultural Experiment Station, R.D.A in 2001. “Saesangjubyeo” is early matured with July 28 at the

“Jungsanbyeo” is a japonica rice cultivar developed from a cross between Sambaegbyeo and Milyang107 by Sangju Substation of National Yeongnam Agricultural Experiment station, RDA in 2000. The cultivar is early matured with heading date of July 30 ordinary

The prices of domestic green tea products are relatively expensive and price differences within products of the same levels of quality are various. Also, there is no basic criteria on evaluation of green tea quality. To group 43 commercial green tea products into several parts by the principal component and cluster analyses, this work was done by use of 8 chemical constituents which were analyzed by NIR system. The principal component and cluster analyses revealed 8 groups. The first group included 16 products that had lower free amino acid and theanine contents. The second group included 5 products having higher free amino acid and theanine contents, but lower ash contents. The third group included 13 products showing medium values of 8 constituents. The IV group included 4 products having higher contents of moisture, free amino acids, and theanine. The V group included 1 product showing higher moisture but lower catechins contents. The VI group included 2 products that had higher moisture and catechins contents, but lower free amino acid and theanine contents. The VII group had higher moisture and catechins contents. The VIII group had higher ash and vitamin C contents. The free amino acid contents which were the most important in flavor evaluation of green tea quality did highly positively correlate with the contents of total nitrogen (0.956**),~;theanine~;(0.981**),~;and~;caffeine~;(0.793**) , but negatively with the contents of ash (-0.884**) . The catechins used as for functional ingredients did correlate with contents of caffeine(+) and vitamin C(-), respectively.

To investigate low temperature- and light stress-induced genes of Hordeum vulgare L. cv. Dongbori #1, suppression subtractive hybridization (SSH) was performed with mRNAs from leaf samples that treated with low temperature (4℃) and extremely high light de

Areumbyeo', a second generation Tongil-type rice variety (Oryza sativa L.), has been developed at National Yeongnam Agricultural Experiment Station (NYAES) from 1983 to 1999 and released in 2000. A single cross between YR3299-34-2-2 and Suweon 318 (was co

Munjangbyeo' is a japonica rice cultivar developed from a cross between Sangsanbyeo and Suweon 397 by Sangju Substation of National Yeongnam Agricultural Experiment Station, RDA in 1999. The cultivar is early matured with heading date of Aug. 2 in ordinar

Sangmibyeo' is a japonica rice cultivar developed from a cross between Sambaegbyeo and Ou 316 by Sangju Substation of National Yeongnam Agricultural Experiment Station, R.D.A. in 1998. The cultivar is early maturing with heading date of August 7 in ordina