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분지발생이 많으면서 약용성분 함량이 많은 구기자 신품종 ‘청광’
주정일(Jung-Il Ju),김수동(Su-Dong Kim),박영춘(Young-Chun Park),이보희(Bo-Hee Lee),서정석(Joung-Seok Seo),남윤규(Yun-Gyu Nam),백승우(Seung-Woo Paik),김현호(Hyun-Ho Kim) 한국육종학회 2015 한국육종학회지 Vol.47 No.3
The new Chinese matrimony vine line, CB04340-64 was selected from the hybrids(F1) between CB02214-131 (IT232701) and Cheongyang 7 (IT232601) in 2004 to breed the cultivar with high quality and yielding. Its preliminary yield tests were performed from 2006 to 2008 and the selected line was named Cheongyang 14. Its regional yield trial was carried out in Cheongyang, Yesan and Jindo from 2009 to 2011 and Cheongyang 14 was registered as the new variety, ‘Cheongkwang’ in 2011. The specific characteristics were summarized as follows; The leaf was ellipsoidal and small size. The fruit type was oblong and middle size. The flowering time was June 26 with medium flowering. The branching by twice pruning was generated a lot more than the check variety, Cheongun. The resistances to anthracnose and eriophyidae mite were similar to that of the check variety. The content of betaine of dried-fruit and brix degree of fresh fruit were higher than that of the check. The dried-fruit yield was increased about 15 percent in preliminary yield tests and 6 percent regional yield trials. This variety has self-incompatibility. So, the companion variety, Cheongmyeong, was required as pollinizer. (Certificate on grant of plant variety rights: Grant number No.4794, Protection Period 10/02/2014∼09/02/2034).
주정일(Jung Il Ju),이정준(Joung Jun Lee),박기훈(Ki Hun Park),이희봉(Hee Bong Lee) 韓國草地學會 2009 한국초지조사료학회지 Vol.29 No.3
청보리, 밀, 호밀, 트리티케일, 귀리 등 5종의 총체맥류에 대하여 중부지역에서 답리작 재배시 월동 후인 3월 15일 부터 6월 15일까지 10일 간격으로 10회에 걸쳐 예취한 후 각 작물별 예취시기에 따른 사료가치를 비교하였다. ADF함량은 5종의 총체맥류 모두 월동 후 증가하다가 각 작물별로 최고점에 도달한 후 성숙이 진행됨에 따라 감소되는 2차원적인 경향을 보였고, NDF 함량은 월동 후 점진적으로 증가하다가 대체로 어느 일정시기 이후에는 정체되거나 다소 감소되는 경향을 보였으며, 조단백질 함량은 잎이 풍부한 월동 직후에 높았다가 생육단계가 진행됨에 따라 점진적으로 감소되는 경향을 보였다. 가소화건물 (DDM) 함량은 총체맥류 5종 모두 월동 후 생육이 진전될수록 낮아지다가 출수기 이후 종실이 충실해짐에 따라 다시 증가되는 경향을 보였고, 상대사료가치(RFV)는 월동 후 잎이 풍부한 생육초기에 높았다가 생육이 진전됨에 따라 감소되었으며, 출수기 이후에 종실이 충실해지면서 다시 증가되는 경향을 보였다. 맥종별로 보면 청보리인 영양보리는 다른 총체맥류에 비하여 출수기 이후 ADF와 NDF 함량이 낮았고, 가소화건물 함량과 상대사료가치 (RFV)가 높았다. 금강밀은 다른 총체맥류에 비하여 단백질 함량이 높았고, 출수기 이후 가소화건물 함량과 상대사료 가치가 곡우호밀, 신영트리티케일, 삼한귀리에 비하여 상대적으로 높았다. 곡우호밀은 다른 총체맥류에 비하여 내한성과 내재해성이 강하지만 월동 후 성숙기 까지 ADF와 NDF 함량이 높고, DDM 함량과 상대사료가치 (RFV)가 낮은 조사료 작물에 해당하였다. 신영트리티케일은 영양보리 또는 금강밀과 곡우호밀의 중간적인 특성을 보였으며, 생육후기로 갈수록 가소화건물 수량이 직선적으로 증가하였다. 삼한귀리는 출수 전까지 ADF와 NDF 함량이 낮고 단백질이 풍부하였지만, 출수 후 성숙이 진행될수록 다른 총체맥류에 비하여 변화가 적었다. The objectives of this study were to evaluate the different cutting dates on the changes of feed quality among five cereals (barley, wheat, rye, triticale and oat) for whole crop silage. Field trials were conducted at paddy field in Yesan, Chungnam Province and the aerial parts were clipped 10 days from 15 March to 15 June. Changes of acid detergent fiber (ADF) content in relation to different cutting dates was described by a quadratic curve for 5 winter cereals crops. ADF content reached a maximum at 5 days after heading in barley cultivar ‘Youngyang’, 7 days in wheat ‘Keumkang’, 18 days in rye ‘Gogu’, 1 days in triticale ‘Shinyoung’ and 10 days in oat ‘Samhan’. Neutral detergent fiber (NDF) content were linearly increased as growing after overwintering and stagnated or slightly decreased after heading. The crude protein were linearly decreased throughout the growth period of 5 whole crop cereals. Digestible dry matter (DDM) content were decreased from early stages to heading and subsequently increased as grain filling. Relative feed value (RFV) for 5 crops were decreased as growing and subsequently increased as grain filling after heading. Barley cultivar for only forage use ‘Youngyang’ were lower at ADF and NDF content and higher at DDM and RFV after heading than those of other cereals for forage use. So, barley for whole crop silage was a good crop with high feed quality and high proportion of spikes compared with other winter cereal crops. Wheat cultivar for grain ‘Keumkang’ were higher at crude protein than those of other four cereals from overwintering to maturing and were higher at DDM and RFV after heading than those of rye, triticale and oat. Rye cultivar with cold tolerant and high fresh yielding ‘Gogu’ were highest at ADF and NDF content and lowest at DDM content and RFV. So, rye was a crop with low quality for forage use compared to other winter cereal crops. Triticale cultivar with flourishing and high yielding ‘Shinyoung’ was intermediated between barley and rye, and were linearly increased at DDM yield by different cutting dates. Oat cultivar with cold tolerant and high tillering ‘Samhan’ were lower at ADF and NDF content and higher at crude protein before heading, but after heading, there are not especially advantages compared to barley, wheat or triticale.
중부지역에서 청보리 뒷그루로 만파한 사일리지 옥수수 품종의 생육 및 수량
주정일(Jung Il Ju),성열규(Yeul Gue Seung),김충국(Chung Guk Kim),이희봉(Hee Bong Lee) 한국초지조사료학회 2010 한국초지조사료학회지 Vol.30 No.1
청보리와 사료용 옥수수 작부체계에서 청보리 수확 후 만파한 사일리지 옥수수 7품종에 대하여 생육 및 수량을 적파재배와 비교하고자 2007년과 2008년 충남농업기술원에서 수행하였다. 청보리 뒷그루로 옥수수를 만파하면 생육기간의 단축과 고온기 생육으로 인하여 경직경과 이삭의 크기와 무게가 크게 감소되었다. 적파에 비하여 만파시 지상부 전체 건물중에서 잎과 줄기의 구성비율이 증가되고 암이삭의 비율이 감소되었는데, 그 정도는 품종간 차이가 있었다. 청예수량, 건물수량 및 TDN 수량은 적파에 비하여 청보리 뒷그루로 만파시 변이계수가 높았다. 적파를 대비로 할 때 만파재배시청예수량 91.8%, 건물수량 72.6%, 종실수량 51.0%, TDN 수량 68.1% 수준으로서 종실수량의 감소폭이 가장 컸고, 이로 인하여 TDN 수량이 크게 감소되었으며, 청예수량은 감소폭이 가장 적었다. 청보리 뒷그루로 만파 재배시 건물수량과 TDN 수량이 높은 품종은 강다옥으로서 다른 품종에 비하여 이삭의 크기와 무게의 감소폭이 적었다. 따라서 청보리 뒷그루로 만파하면 경엽 건물수량에 비하여 종실수량의 감소폭이 크므로 총 건물수량을 확보하기 위해서는 파종기 이동에 의하여 이삭의 크기와 무게에서 변화가 적은 품종을 선정할 필요가 있었다. Few management studies have been conducted on late planting date for corn silage in paddy field as a barley-corn forage cropping system. Experiments were conducted during 2007 and 2008 at the Chungnam Agricultural Research & Extension Services. The objectives of this study were to determine relationships between planting date and corn forage yield and to determine the best hybrid at the delayed planting after whole crop barley's harvest. The treatments consisted of 2 planting dates and 7 hybrids. Delayed planting considerately reduced stem diameter, individual ear size and weight. The ratio of dried leaf and culm in aerial plants was increased and that of ear was decreased. The coefficient of variation in fresh, dry matter (DM) and total digestible nutrients (TDN) yield was higher at delayed planting date on cropping system with whole crop barley than that of planting at optimum season. So, fresh weight was reduced by 91.8%, dry matter by 72.6%, grain yield by 51.0% and TDN yield by 68.1%. The appropriate hybrid for delayed planting after whole crop barley harvest in middle region was 'Gangdaok' as lower in the reduction of ear size and weight compared to that of planting at optimum season. Reduction in grain yield caused to decrease the DM and TDN yields. Therefore, to gain stable dry matter in silage corn by delayed planting date on cropping system with whole crop barley was necessary to select corn hybrid on the minimum reduction in ear size and weight.