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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).
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.
삼차망 청보리와 사료용 완두의 혼파재배가 수량 및 사료가치에 미치는 영향
주정일(Jung-Il Ju),박종민(Jong-Min Park),이정준(Jung-Jun Lee),김창호(Chang-Ho Kim),구한모(Han-Mo Koo),오태석(Tae-Seok Oh),이효원(Hyo-Won Lee) 韓國草地學會 2009 한국초지조사료학회지 Vol.29 No.3
본 연구는 청보리와 월동 콩과작물인 사료용 완두와의 혼파재배를 통해 사료작물로 이용하기에 적합한 작부체계로서의 혼파비율을 구명하고, 조단백질, ADF, NDF 등과 같은 사료가치와 수량을 만족하는 적정한 혼파비율을 비교 분석하기 위하여 실험을 수행하였다. 청보리와 사료용 완두를 혼파재배하였을 때 청보리의 생육특성에서 출수일과 초장은 큰 차이가 없었으며, 청보리의 경수는 사료용 완두의 혼파비율이 높을수록 감소하였지만, 사료용 완두의 개체수는 증가하였다. 청보리의 도복지수는 0~3의 분포로 나타냈는데, 그 중 사료용 완두의 혼파 없이 청보리 20 ㎏/10a만을 파종하였을 때에 도복지수가 3으로 가장 높게 나타났다. 사료용 완두의 생육특성에서 월동률은 모든 파종구에서 90% 이상의 월동률을 보였고, 완두의 초장은 청보리의 파종량에 상관없이 사료용 완두의 파종비율이 높아질수록 증가하는 경향을 보였다. 청보리와 사료용 완두를 혼파재배하였을 때 생초수량은 청보리 14 ㎏/10a 파종구와 20 ㎏/10a 파종구 모두에서 10a당 3,000 ㎏ 이상의 수량을 나타냈으며 사료용 완두의 혼파비율이 높아질수록 증가하였으나 건물수량은 생초 수량과는 반대로 완두의 혼파비율이 높을수록 감소하는 것으로 나타나 청보리 20 ㎏/10a만을 단일 파종하였을 때 1,266 ㎏으로 가장 많은 건물수량을 나타냈다. 청보리와 사료용 완두의 혼파 재배했을 때, 조단백질, ADF 및 NDF 함량은 사료용 완두의 혼파비율이 높을수록 높아지는 경향을 보였다. RFV는 청보리만을 14 ㎏/10a 파종구에서 183.8로 가장 높았으며 사료용 완두의 혼파비율이 높을수록 작아지는 경향을 보였다. 표준화 점수의 크기로 본 가장 적합한 혼파조합은 청보리 20 ㎏/10a와 사료용 완두 7.5 ㎏/10a 혼파 조합이 2.309로 가장 좋았고, 그 다음으로는 청보리 20 ㎏/10a와 사료용 완두 5.0 ㎏/10a 혼파구가 좋았으며 청보리 14 ㎏/10a파종구에서는 청보리 14 ㎏/10a와 사료용 완두 10.0 ㎏/10a를 혼파한 파종구가 0.354로 좋게 나타난 것으로 유추하여 보면 청보리 20 ㎏/10a에 사료용 완두를 7.5 ㎏/10a를 파종하는 것이 생산성과 사료가치측면에서 합리적인 혼파비율로 판단되었다. The study was conducted to clarify the mixed seeding rate of whole crop barley with hood type and forage pea for using of forage crops and to compare the forage yield and quality. At a mixed seeding rate between the whole crop barley (WCB) and forage pea, The heading date and plant height of WCB were not a difference according to mixed seeding rate of forage pea. The tillers of the WCB were a decrease and plant of the forage pea were a increase according to increased seeding rate of forage pea. The lodging index of the WCB was a appearance with distribution of 0~3, The lodging index of WCB with a 20㎏/10a seeding rate of a only WCB without seeding of the forage pea was 3. The overwintering rate of forage pea was a appearance more than 90% at all treatment. The plant height of forage pea was a increase according to increased seeding rate of forage pea at 14 ㎏/10a and 20 ㎏/10a plots of WCB. At a mixed seeding between the WCB and forage pea, The fresh weight was a increase according to increased seeding rate of forage pea and was a appearance more than 3,000 ㎏ at all treatment plot. But the dry matter weight was decrease according to increased seeding rates of forage pea. The dry matter weight of 20 ㎏/10a seeding rate of a only WCB without seeding of the forage pea showed the most amount with 1,266 ㎏. The crude protein (CP) content was a tendency to increase according to increased seeding rates of forage pea. But, the relative feed value (RFV) was a tendency to decrease according to increased seeding rate of forage pea. The highest RFV was 183.8 at 14 ㎏/10a seeding rate of a only WCB without seeding of the forage pea. The acid detergent fiber (ADF) and neutral detergent fiber (NDF) were a increase according to increased seeding rate of forage pea at 14 ㎏/10a and 20 ㎏/10a plots of WCB. The highest content of ADF and NDF were 23.9% and 46.3% at mixed seeding rate of 20 ㎏/10a of WCB with 10 ㎏/10a of forage pea, respectively. The highest sum of standardized score by fresh weight, dry matter weight, CP, ADF, NDF and RFV was 2.309 at mixed seeding rate of 20 ㎏/10a of WCB with 7.5 ㎏/10a of forage pea. The optimum mixed seeding rate was a considered judgment in the order of mixed seeding rate of 20 ㎏/10a of WCB with 7.5 ㎏/10a of forage pea, mixed seeding rate of 20 ㎏/10a of WCB with 5.0 ㎏/10a of forage pea.