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셀레늄의 엽면시비가 총체보리의 생육 및 셀레늄 흡수에 미치는 영향
최인배 ( In Bea Choi ),김경훈 ( Kyeong Hun Kim ),김상민 ( Sang Min Kim ),김양길 ( Yang Kil Kim ),이미자 ( Mi Ja Lee ),박태일 ( Tae Il Park ),김경호 ( Kyung Ho Kim ),최재성 ( Jae Seong Choi ),박광근 ( Kwang Geun Park ),한옥규 ( Ouk 전북대학교 농업과학기술연구소 2014 농업생명과학연구 Vol.45 No.2
겨울철 사료 작물인 청보리을 대상으로 국내 토양의 특성상 부족하기 쉬운 셀레늄을 엽면시비하여 청보리의 생육 및 사료가치와 셀레늄 함량 등을 조사하였고, 청보리 품종별 셀레늄 흡수능의 차이를 알아보았다. 셀레늄을 4월 중순에 50에서 400ppm까지 농도를 높여 엽면시비한 결과 출수기 등 생육이나 수량, 사료가치에는 대조구와 유의한 차이가 없었다.셀레늄 화합물에 따라 식물체에 흡수되는 정도가 달랐는데 농도를 달리하여 처리하였을 때 selenite 시험구에서는 건물내 셀레늄 함량이 0.12~0.28ppm이었으나 selenate 시험구에서는 0.33~3.43ppm 으로 selenate 형태의 셀레늄 화합물이 엽면시비에 더 적합한 것으로 조사되었다. selenate 수용액을 50g/ha의 농도로 엽면시비한 시험구의 수확 후 건물 내 셀레늄 함량은 0.34ppm으로 가축 사료의 적정 셀레늄 함량인 0.1~0.3ppm에 가장 근접하였다. 또한 청보리 품종에 따른 셀레늄 흡수능력 차이는 적은 것으로 조사돼 셀레늄이 강화된 청보리 생산을 위해서는 조사료생산량과 가축의 기호성 등을 고려하여 적정 품종을 선택하여 재배할 수 있을 것으로 생각된다. A field experiment was conducted to evaluate the effects of foliar application type and dosage of selenium on the productivity, feed quality and selenium concentration of whole crop barley. Whole crop barley ‘Youngyang’ and other cultivars were applied selenium as foliar spray from two different selenium compounds(sodium selenite and sodium selenate) and at four different level, 50, 100, 200, 400 ppm at the stem elongation stage(the middle of April). The forage productivity and feeding quality of ‘Youngyang’ was not affected by selenium types and dosage. Selenium content in dry matter was 3~10 times higher when Se was applied in the form of sodium selenate than sodium selenite at the same selenium level and it shows the selenate form is more effective. When selenate 50 ppm was applied as foliar spray, selenium concentration in ‘Youngyang’ was 0.34 ppm and this is regarded the suitable treatment to satisfy the recommended selenium concentration(0.1~0.3 Se mg/Kg) in animal feed. The absorption of Se among whole crop barley varieties were not different and ‘Youngyang’, ‘Yuyeon’, ‘Uho’, ‘Yuho’ are recommended for selenium enriched whole corp barley because of their stable productivity and higher palatability.
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최임수(Im-Soo Choi),강경호(Kyung-Ho Kang),정오영(O-Young Jeong),정응기(Eung-Gi Jeong),조영찬(Young-Chan Cho),김연규(Yeon-Gyu Kim),김명기(Myeong-Ki Kim),오명규(Myeong-Gyu O),최인배(In-Bea Choi),전용희(Yong-Hee Jeon),원용재(Young-Jae W 한국육종학회 2011 한국육종학회지 Vol.43 No.6
‘Cheongdam’ is a japonica rice variety developed from a cross between SR19200-HB826-34, a line of good germination ability and shoot emergence at low temperature and Juanbyeo, good quality and direct-seeding adaptable cultivar by the rice breeding team of National Institute of Crop Science, RDA in 2006. This variety has 153 days of total growth duration from seeding to maturity in direct-seeding, and 160 days of growth duration from seeding to maturity in transplanting. This is erect plant type with culm length of 74 cm, thick culm, and green leaves. It has large panicle shape with 126 and 140 spikelets per panicle in direct-seeding and transplanting, respectively. Milled rice is transluscent and medium in grain size of non-glutinous endosperm. This variety is susceptible to leaf and neck blast, bacterial blight, stripe virus disease and brown planthopper. The yield potential of ‘Cheongdam’ is 5.84 MT/ha at ordinary transplanting culture and 5.62 MT/ha and 5.89 MT/ha at wet direct-seeding and dry direct-seeding cultures, respectively in the local adaptability test for three years. ‘Cheongdam’ would be adaptable to middle and southern plain of Korea for direct-seeding culture and transplanting rice culture. ‘청담’은 중부지방 적응 중생 직파적성 품종을 육성할 목적으로 SR19200-HB826-34와 ‘주안벼’를 인공교배하여 2003년에 SR22320-3-4-1-2-1을 ‘수원498호’로 계통명을 2004년부 터 2006년까지 3년간 지역적응시험을 실시한 결과, 그 우수성이 인정되어 2006년 12월 직무육성 신품종 선정위원회에서 국가목록등재품종으로 선정됨과 동시에 ‘청담’으로 명명 하였는바, 그 주요 특성을 요약하면 다음과 같다. 1. ‘청담’의 평균출수기는 직파재배에서 8월 14일경으로 ‘주안벼’와 같은 중생종이다. 2. 간장이 74 cm정도로 줄기가 굵고 강인하여 도복에 비교적 잘 견디고 평균 수당립수는 직파에서 126개로 이삭이 큰 수중형이다. 3. 도열병, 흰잎마름병, 바이러스병 및 멸구류와 매미충에 대해 약하다. 4. 저온 출아성이 비교적 좋으며 장해형 내냉성은 중강정도이다. 5. ‘청담’은 현미천립중은 21.1 g인 중립종이고, 도정관련 특성이 우수하며, 특히 백미완전립율이 ‘주안벼’보다 우수하다. 6. 쌀 수량은 지역적응시험의 담수직파재배에서 5.62 MT/ ha, 건답직파에서 5.89 MT/ha로 평균 5.76 MT/ha의 수량성을 보여 ‘주안벼’ 대비 5% 증수되었고, 이앙재배에서 5.84 MT/ha로 ‘화성벼’보다 8% 증수되었다. 7. ‘청담’은 중부 및 남부 평야지에 알맞다.
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연구보문 : 자연과학 ; 동계 사료용 맥류와 하계 사료용 옥수수 작부체계 연구
조상균 ( Sang Kyun Cho ),조광민 ( Kwang Min Cho ),박태일 ( Tae Il Park ),박형호 ( Hyeong Ho Park ),노재환 ( Jae Hwan Roh ),최인배 ( In Bea Choi ),오영진 ( Young Jin Oh ),송태화 ( Tae Hwa Song ),김기종 ( Kee Jong Kim ),박기훈 ( Ki 한국국제농업개발학회 2012 韓國國際農業開發學會誌 Vol.24 No.3
This experiment was carried out for two years from 2010 to 2011 in Kimjae city to provide basis of ``Winter forage crop-Summer forage corn`` cultivation system in southern area of Korea. The cultivars tested were ``Gokwoo`` as rye, ``Kumgang`` as wheat and ``Youngyang`` as barley as winter forage crops and ``Kwangpyeongok`` as corn for the summer forage crop. Regarding to winter forage crops, biomass of rye in fresh weight was 301.4 ton/ha and its income indicated 1,841 thousands Korean Won (KRW)/ha, an increase of 141% compared to naked barley grain production(NBGP). Biomass of barley was 30.6 ton/ha and the income showed 3,151 thousand KRW/ha, an increase of 242% compared to NBGP. Biomass of wheat recorded as 40.5 ton/ha with the most productive result among three winter forage crops and the income was 3,740 thousand KRW/ha, meaning 287% increase in comparison with NBGP. Regarding to summer forage corn cultivation, biomass production after rye was 56.7ton/ha in fresh weight and its income gained 4,731 thousand KRW/ha with an increase of 88% compared to single cropping rice(SCR). Biomass after barley produced 51.4ton/ha and the income was 3,828 thousand KRW/ha, showing a increase of 71% compared SCR. Biomass after wheat recorded as 31.0 ton/ha with the lowest productivity among three summer forage cultivations after each winter forage crops and the income of 372 thousand KRW/ha, an increase of 7% in comparison with SCR. With regard to total roughage production of each winter-summer forage crop combinations, total biomass production of ryecorn system was 87.1 ton/ha and the income recorded 6,572 thousand KRW/ha, similar to that of NBGP plus SCR. Biomass of barley-corn system produced 87.4ton/ha and the income was 6,979 thousand KRW/ha, a 105%-rise over that of NBGP plus SCR. Biomass of wheat-corn system recorded 71.6 ton/ha with the lowest result among three winter-summer forage corp combinations and the income of 4,112 thousand KRW/ha with an growth of 62% in comparsion with that of NBGP plus SCR.
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