Wheat is one of the most important food crops in the world and provides 20% of nutritional requirement to the consumers in developing countries. The consumption per capita of wheat is persistent but the self-sufficiency has decreased owing to the less competitive world market and double cropping system with rice in Korea. This study was conducted to obtain baseline data on the selection lines with early maturity and good agronomic traits. Geumgangmil, a leading Korean variety, was crossed with CIMMYT’s line, and a DH (double haploid) line was released using pollens of Maize in Mexico. The 71 inbred lines were grown in fields at NICS, Miryang. The culm length of inbred lines were normally distributed from 37cm to 106cm, though that of the P1 (Geumgangmil) was 71 and P2 (CIMMYT’s Line) was 77cm. Especially, some lines were very short and measured below 50cm. The spike lengths of most of the lines were longer than that of P1 (7.5cm), but were normally distributed. The number of spikelet was less than that in P2 (19ea.), but was more than P1(10ea.). The heading day of most of the lines was between P1 (11th April) and P2 (25th April) and the maturity day of the lines was similar to P1 (1st June) but 5 lines showed 2~6 days shorter maturity period than that of P1. However, 20 lines were found to have 2~10 days longer maturity period than that of P2.

2011년 도입된 청소년보호법 제26조는 ‘인터넷게임중독’이 실재한다고 전제하여 인터넷게임에 대한 접근을 일정시간동안 제한하는 기술적 조치이다. 이 조항은 도입과 함께 헌법소원의 대상이 되었다. 이 제도는 기술에 대한 사회적 수용과 저항을 잘 보여주는 논쟁사례이다. 우리는 ‘인터넷게임중독’이라는 용어가 학술적으로 여전히 논쟁적임에도 불구하고 사회적으로 널리 사용될 수 있었던 배경을 진지하게 살펴볼 필요가 있다. 이 논쟁을 기술사회적 관점에서 분석함으로써 국가 주도적 기술도입이 불러온 기술혐오를 발견할 수 있다. 기술혐오에 대한 해법은 병리적 프레임 보다 기술에 대한 비판담론 프레임으로 극복해야 할 필요가 있다.

Sweetpotato is one of the important starch crops, current more considered as an industrial crop rather than food because it has higher starch content (over 80% of biomass), it is used for bio resources for industrial area. In this study, we generated S598A (a mutant gene of oat phytochrome A) sweetpotato plant using Agrobacterium-transformation method. Morphological characteristics of S598A plant were compared with the wild type sweetpotato, S598A had darker green leaves, increased chlorophyll content higher than to two-fold, delayed leaf senescence, shorter plant height (60% shorter than that of the wild type), more number of leaves and petioles about 1.8-fold, shorter petiole length (30% shorter), 1.2-fold more branches and 1.6-fold thicker stem diameters. From this study, S598A plants with such phenotypic characteristics might be able to use the solar energy efficiently, to have increased tolerance to biotic and abiotic stresses and finally to increase productivity (not only starch yield but also root biomass yield). S598A sweetpotato lines are under field trials.