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麥酒麥의 品質低位性 原因 究明 Ⅲ. 生産地, 收穫時期 및 乾燥方法이 麥酒麥의 品質에 미치는 影響
曺章煥(Chang Hwan Cho),朴文雄(Moon Woong Park),閔庚洙(Kyung Soo Min),河浩成(Ho Sung Ha) 한국육종학회 1991 한국육종학회지 Vol.23 No.3
Grain quality test to search out the optimum conditions to obtain high quality of malting barley was performed. Thousand grain weight, assortment rate, germinating energy, germinating rate and extract were lower in the barley produced in Korea than that imported from Australia, whereas total nitrogen and crude protein contents were higher in the former. The grain harvested at 40th days after heading date showed about 36% of moisture content, however it could be lowered to below 23.5% with two days of sun dry treatment. Optimum revolution rates of thresher to obtain high quality barley were below 500 rpm at 36% of moisture content, and about 600rpm at 26% of it. The grains being inflicted by rain fall during long period of 20 days in the ripening stage were discolored as well as easily infected by mould, and as the results the malting qualities were highly deteriorated.
보리 滑芒의 遺傳과 이의 飼料關聯形質에 대한 多面發現 效果
Chang Hwan Cho(曺章煥),Moon Woong Park(朴文雄),Ouk Kyu Han(韓玉圭),In Kwan Song(宋仁寬) 한국육종학회 1993 한국육종학회지 Vol.25 No.4
The purpose of this study designed to investigate inheritance pattern of awn roughness and to observe the relationships among awn roughness and other agronomic characters and compositions in barley. Also, the experiment was conducted to provide basic genetic informations for better quality and high-yielding in barley breeding for whole crop silage. The parents, F₁ and F₂’s obtained from reciprocal crosses of Turkey 99(gs4r) variety with smooth awn and Olbori, Chalbori, Jogangbori and Suwon #259 with rough awn were planted in the field of Barley and Wheat Research Station, Suwon, during 1991~1992 crop season. Smooth awn was inherited by a simple recessive gene and appeared to be controlled by one set of allele. But there was some variations of awn roughness in smooth awn barley. Therefore, inheritance of awn roughness in barley seemed to be concerned with a modifier gene. The gene governing smooth awn showed some pleiotropic effects on heading and growing characteristics to the direction of early heading, short stature, increasing of culm diameter and width of flag leaf including reducing of dry weight per plant. The gene governing smooth awn also exhibited pleiotropic effects to the direction of increasing spikes per plant and decreasing grains per spike, grain weight per spike and yield per plant. For improvling high-yielding varieties having smooth awn and transferring beneficial characters from smooth-awn plant into rough-awn plant, substitution backcross will be desirable as efficient breeding method. Crude protein, phosphorous, calcium, natrium and ash content were almost normall distributed in F₂ populations of four crosses. The feed compositions of smooth-awn populations were higher than rough-awn ones, while ferrum content of the former was lower than the latter population.
Chang Hwan Cho(曺章煥),Moon Woong Park(朴文雄),Young Hwan Yoon(尹榮煥),Jeong Il Ju(朱正一),Chung Ho Lee(李忠浩) 한국육종학회 1990 한국육종학회지 Vol.22 No.3
This experiment was conducted to determine the inheritance of twisted neck of spike node and to examine the associated characters with twisted neck in barley. The parents and F₂s of crossed lines between highly twisted neck variety Olbori and 5 nontwisted varieties and semi-twisted neck variety Saeolbori and 2 non-twisted varieties, were studied in field experiment at experiment farm, Dankook univ. Cheonan city, during 1988-1989 crop season. The results were as follows ; It was concluded that the twisted neck of barley was partially dominant and controled by additive effects of two ○○lymeric genes. There were varietal differences in twisted neck of barley mainly due to genetic background of parents. Broad sense heritability of twisted neck was relatively high and it was expected to high efficiency of selection. The characteristics of twisted neck of barley was negatively correlated with days to heading, length of lower internodes and 1,000 grain weight. Therfore the barley plants of twisted neck showed pleiotropic effects including early heading, lodging resistance due to shortening of lower internodes and light grain weight. There was no significant correlation between twisted neck and yield of barley, though twisted neck decrease 1,000 grain weight.
麥酒麥의 品質低位性 原因 究明 Ⅱ. 品種普及年限이 混種穗率 收量 및 品質에 미치는 影響
Chang Hwan Cho(曺章煥),Moon Woong Park(朴文雄),Kyung Soo Min(閔庚洙),Ho Sung Ha(河浩成) 한국육종학회 1991 한국육종학회지 Vol.23 No.2
The study aimed to rectify the present systems of malting barley production and seed renewal. Seed renewal system in Korea is maintained by 4 steps, which is similar to those in Japan, USA, Canada and New Zealand. However, Seeds produced by the renewal system are certified by the government whilest they are done by Seed Federations in other countries. Some seeds produced by the malting companies for the distribution to farmers are not even certified. Grains were sampled from 10 regions of Kyeongnam and Chunnam Provinces for the measurments of seed impurity rate, yield and quality. Impurity rate increased with the longer renewal cycle. Fifth year seeds had the impurity rate of 15.8%. They showed 14% lower grain yield, while third year seeds was 8% lower, than the first year seeds. The trend of impurity was more severe in Chunnam regions. Malt qurality was not much deteriorated up to third year seeds, but it was significantly bad in the fifty year seeds.
麥酒麥의 品質低位性 原因 究明 Ⅳ. 麥酒麥의 檢査規格, 契約收買 및 貯藏條件과 品質
曺章煥(Chang Hwan Cho),朴文雄(Moon Woong Park),閔庚洙(Kyung Soo Min),河浩成(Ho Sung Ha) 한국육종학회 1991 한국육종학회지 Vol.23 No.3
Comparisions of the inspection rules and standards, and the contract cultivation and buying systems of malting barley between in Korea and Japan were carried out. Limiting values of germinating capacity and assortment rate of malting barley were lower in Korea than in Japan, on the contrary the portions of small grain kernels, damaged kernels, other seeds and miscellaneous were higher in the former. As the results in Korea the portion of 1st graded malting barley in inspection was higher than other graded ones, but in Japan the 1st graded portion was much lower than the protion of 2nd and off-graded ones. The portion of off-graded one bought in every year was as much as average 11.1% of total amount. The small grain portion of it, however, was so high as 19.8% that it was desirable to use for edible food, alcohol production or feed rather than for brewing beer. Malting barley in Korea has been used such as the form that various cultivars are cultivated and produced in same locations, and stored in same storage houses in mixed forms one another ; however, to improve the malting quality, it is proposed that it be essential to make uniformal production and management of malting barley by grouping the cultivation regions as collective farm systems, unifying the cultivars with the regions and storing in one storage house a varity, and to prevent the storing grains from damages by improving the storage establishments.
Jung Hyun Nam(南重鉉),Eun Sup Lee(李殷燮),Tae Young Chung(鄭泰英),Moon Woong Park(朴文雄),Chang Hwan Cho(曺章煥),Seok Dong Kim(金石東),Jae Wook Shim(沈載昱) 한국육종학회 1986 한국육종학회지 Vol.18 No.2
This experiment was conducted to know the genetic nature of longshaped grain and the causes for the low fertility of ‘Sejangbori’. Sejangbori was identified to carry a monogenic recessive gene to the normal shaped-grains in F₂. The anthers and pollen grains of Sejangbori were clarified as normal by 1% of TTC test, the causes for the low fertility of Sejangbori was due to pistillate deformity. Furthermore, there will be clarified to investigate the location of this gene and the causes of pistillate deformity in details.
脫穀 및 脫芒方法이 皮稞ㆍ메찰性 보리의 發芽에 미치는 影響
Jung Hyun Nam(南重鉉),Eun Sup Lee(李殷燮),Moon Woong Park(朴文雄) 한국육종학회 1987 한국육종학회지 Vol.19 No.2
This experiment was conducted to clarify the influences on threshing and awn removal for the germination of naked waxy barley variety Suwon 235, which has good palatability and cooking characteristics. Since those grains of this variety without protection of glume may be severely damaged by threshing machine during harvesting those grains were classified into three groups, healthy, damaged with worn embryo and damaged with broken embryo, and subjected for the germination tests. Grains with covered genotype were healthy by threshing at 600 or 900 RPM and followed by awn removal at 750 RPM, however, grains with naked genotype were only slightly damaged by threshing even at 900 RPM but were severely damaged by awn removal after threshing at both 600 and 900 RPMs. The damages of embryo with waxy endosperm by threshing were not related to waxy endosperm gene. Most of lines tested were not uzu but UZU (non UZU). The introduction of uzu gene in naked barley breeding program may help in decreasing the embryo damage by mechanical threshing which may require further study.
RAPD를 이용한 보리×밀 속간교잡종의 보리유전자 도입 확인
임용우(Yong Woo Rim),홍병희(Byung Hee Hong),남중현(Jung Hyun Nam),박문웅(Moon Woong Park),하용웅(Yong Woong Ha),박광근(Kwang Geun Park),신정섭(Jeong Sheop Shin) 한국육종학회 1995 한국육종학회지 Vol.27 No.4
Random amplified polymorphic DNA(RAPD) was employed as a genetic marker in order to verify the genetic introgression of barley(cv. Manker 16) to barley × wheat backcross(BC₂F₁) lines. In RAPD analysis of 12 random primers tested, four of the 14 progenies obtained from barley × wheat backcrosses expressed band unique only to barley using primer number 225 (5’-CGA CTC ACA G-3’), and all progenies except H6-2 and H6-3 expressed bands unique only to barley using primer number 274(5’-GTT CCC GAG T-3’). All progenies of the BC₂F₁ lines appeared to have at least one of barley polymorphic patterns through RAPD analysis. Somatic chromosome numbers of BC₂F₁ lines ranged between 46 to 49 and appeared to have 4 to 7 chromosomes of barley. Use of RAPD as a genetic marker for the detection of genetic introgression of barley in barley × wheat intergeneric hybrid derivatives was effective and useful.