보고서 정보
주관연구기관 |
경기도농업기술원 |
보고서유형 | 최종보고서 |
발행국가 | 대한민국 |
언어 |
한국어
|
발행년월 | 2016-02 |
과제시작연도 |
2015 |
주관부처 |
농촌진흥청 Rural Development Administration(RDA) |
과제관리전문기관 |
농촌진흥청 Rural Development Administration |
등록번호 |
TRKO201600003198 |
과제고유번호 |
1395040957 |
사업명 |
지역농업연구기반 및 전략작목육성 |
DB 구축일자 |
2016-06-25
|
DOI |
https://doi.org/10.23000/TRKO201600003198 |
초록
▼
Ⅳ. 연구개발결과
○제 1세부과제 : 느타리버섯 발이율 향상기술개발
- 접종 후 배양 10일부터 광차단시 '수한 1호'의 경우 무처리보다 측발이율이 58%에서 20%로, 비상품화율은 10%에서 4%로 감소되었음
- 전배양 20일 후 '수한 1호'는 23℃, 15일 후배양 처리시 측발이율은 20.1%에서 5.5%로, 비상품화율은 8.6%에서 1.6%로 감소되었고, '흑타리'는 26℃, 15일 처리에서 각각 19.4%에서 3.5%로, 8.3%에서 2.1%로 각각 감소되어 품종별로 후배양 조건이 달랐음
○ 제 2세부
Ⅳ. 연구개발결과
○제 1세부과제 : 느타리버섯 발이율 향상기술개발
- 접종 후 배양 10일부터 광차단시 '수한 1호'의 경우 무처리보다 측발이율이 58%에서 20%로, 비상품화율은 10%에서 4%로 감소되었음
- 전배양 20일 후 '수한 1호'는 23℃, 15일 후배양 처리시 측발이율은 20.1%에서 5.5%로, 비상품화율은 8.6%에서 1.6%로 감소되었고, '흑타리'는 26℃, 15일 처리에서 각각 19.4%에서 3.5%로, 8.3%에서 2.1%로 각각 감소되어 품종별로 후배양 조건이 달랐음
○ 제 2세부과제 : 생산시설별 오염발생 실태조사 및 저감기술 개발
- 냉각실, 접종실, 배양실이 독립적으로 분리된 시설에서 낙하균 오염율이 가장 적었음
- 121℃ 90분 고압 살균조건이 오염율 0% 및 전력소모량 적고, 냉각, 접종실 UV-C등은 6시간 이상 조사시 세균 99%, 곰팡이 85% 이상 사멸됨
- 농가 헤파필터 설치로 오염율 1% 이하로 감소 가능함
Abstract
▼
1. The improvement conditions of uniform primordia formation of pleurotus ostreatus during incubation.
The study was conducted to investigate the effect of shading, CO2 concentration and post-incubation treatment on the uniform primordia formation and development of fruit body during i
1. The improvement conditions of uniform primordia formation of pleurotus ostreatus during incubation.
The study was conducted to investigate the effect of shading, CO2 concentration and post-incubation treatment on the uniform primordia formation and development of fruit body during incubation of major cultivated oyster mushroom(P leurotus ostreatus).
Oyster mushroom cultivars Suhan No. 1 and Gonji No. 7 were incubated while shading during different times in the incubation room wherein temperature of 20℃ was maintained. Substrate temperature during incubation was increased to 24~25℃ in 11~12 days for Suhan No. 1 and to 25~26℃ in 11~12 days for Gonji No. 7 regardless of shading times.
Therefore, ratio of ununiformal primordia formation was reduced by 20% as against control for Suhan No. 1 and by 13% for Gonji No. 7 when shading was applied from 10th day of inoculation with no difference in fruit body yield. The CO2 occurrence was the highest as 9~11% for Suhan No. 1 and 9~10% for Gonji No. 7 at the time of temperature increase the highest, while O2 contents became decreased, thus constructed good environment for the growth of hyphae. The CO2 occurrence was at the highest at 6,500ppm for Suhan No. 1 and 5,800ppm for Gonji No. 7. So, the resonable CO2 concentration was about 6,000ppm during incubation of two cultivars. And, the effects of post-incubation period and temperature treatment conditions of oyster mushroom. Three kinds post-incubation period; 25, 30, 35 days and control were applied for 30 days while two kinds incubation room temperature 23℃ and 26℃ and control were used 20℃. The substrate temperature during pre-incubation was of Suhan No. 1, Gonji No. 7 and Heuktari.Oyster mushroom cultivars tended to increase between 24℃ to 26℃ at 11 to 15 days after inoculation and then they were maintained in treatment temperature during post-incubation period. The ratio of un-uniformal primordia formation and the ratio of non-commercial fruit body were reduced by 40%, 10.5%, respectively compared to control for Suhan No. 1 when in the post-incubation temperature was 26℃, and incubated for 15 days treatment. And, Gonji No. 7 was reduced by 19%, 9.5%, respectively when in the post-incubation temperature was 26℃, and incubated for 10 days treatment. Also, Heuktari was reduced by 15.9%, 6.2%, respectively when in the post-incubation temperature was 26℃, and incubated for 15 days treatment. Therefore, the higher post-incubation temperature of room and longer post-incubation period resulted in the higher percentage of primordia formation of three cultivars.
2. The development of recuction technology of disease by incubation stage of pleurotus ostreatus for bottle cultivation.
This study was conducted to reduce contamination ratio of oyster mushroom bottle cultivation. We surveyed the facilities of a variety of farms for oyster mushroom cultivation. The farms were divided into three types according to the connection of the inoculation room, cooling room, cultivation room, and post-harvest substrate place. A separated type of inoculation room and cooling room, a connection of culture room and post-harvest substrate place (type B) showed a low rate of contamination. Type B showed a contamination rate of 0.08% in the spring, 0.03% in summer, and 1.1% in the fall. Also the optimal conditions of substrate sterilization for reducing of contamination ratio were at 121℃ for 90min. In addition, UV-C irradiation is good for lower contamination ratio to continue over 6 hours at cooling and inoculation room after sterilization. The contamination ratio and density of microorganisms of substrate were showed 0 % after sterilization at 121℃ for 90min. Trichoderma sp., main pathogen of mushrooms, was detected from substrate after sterilized during 2 or 4 hours at 101℃ and 105℃, respectively. The amount of electricity used was the lowest at 121℃ for 90min than that of other sterilization conditions. The UV-C irradiation treatment was used UV-C lamp(40 watts) in the inoculation room( 56 ㎥). The density of bacteria did not detected after UV-C irradiation for 6 hours. And the death ratio of bacteria and Trichoderma sp. was 99.9% after UV-C irradiation for 6 hours. However, in the same UV-C irradiation time, the death ration of Cladosporium sp. was 90.9%. Therefore, the death ratio of fungi was lower than that of bacteria at the same UV-C irradiation treatment. Also when using a HEPA filter in the cultivation room, the contamination rate was reduced from 5.7% to 1.1%.
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