• 제목/요약/키워드: Seed treatments

검색결과 597건 처리시간 0.019초

제지슬러지와 돈분을 이용한 퇴비화 과정중 이화학적 특성 변화 (Changes of Physico-chemical Properties of paper Mill Sludge amended with Pig Manure in Composting Process)

  • 민경훈;장기운;유영석
    • 유기물자원화
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    • 제8권4호
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    • pp.86-92
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    • 2000
  • 본 연구는 퇴비화에 있어서 제지 슬러지(PMS)와 돈분(PM)의 최적혼합비율을 결정하기 위해 실시하였다. 제지슬러지는 풍부한 탄소와 적은 질소를 함유하고 있기 때문에 탄소의 공급원으로서 사용되었다. 또한 건조된 제지슬러지는 혼합물의 수분을 조절할 목적으로 첨가되었다. 처리구는 PMS-100(PM 0%+PMS 80%+DPMS 20%), PMS-85(15+65+20), PMS-70(30+50+20), PMS-55(45+35+20) 4개로 구성되었다. 퇴비화은 호기성조건에서 정체식(규모 $1.25m^3$)으로 실행되었으며, 일일 15분씩 공기를 공급하였고 퇴비화초기에는 주마다 뒤집기를 실시하였다. 퇴비의 부숙도를 평가하기 위해 온도, pH, C/N율과 색도의 이화학성 변화를 조사하였다. 이화학성을 분석한 결과 효과적인 퇴비화을 위한 수분과 C/N율의 최적조건은 각각 25~30과 55~60%이었다. 제지슬러지에 돈분이

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Effects of Black Pepper (Piper Nigrum), Turmeric Powder (Curcuma Longa) and Coriander Seeds (Coriandrum Sativum) and Their Combinations as Feed Additives on Growth Performance, Carcass Traits, Some Blood Parameters and Humoral mmune Response of Broiler Chickens

  • Abou-Elkhair, R.;Ahmed, H.A.;Selim, S.
    • Asian-Australasian Journal of Animal Sciences
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    • 제27권6호
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    • pp.847-854
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    • 2014
  • Different herbs and spices have been used as feed additives for various purposes in poultry production. This study was conducted to assess the effect of feed supplemented with black pepper (Piper nigrum), turmeric powder (Curcuma longa), coriander seeds (Coriandrum sativum) and their combinations on the performance of broilers. A total of 210 (Cobb) one-d-old chicks were divided into seven groups of 30 birds each. The treatments were: a control group received no supplement, 0.5% black pepper (T1), 0.5% turmeric powder (T2), 2% coriander seeds (T3), a mixture of 0.5% black pepper and 0.5% turmeric powder (T4), a mixture of 0.5% black pepper and 2% coriander seed (T5), and a mixture of 0.5% black pepper, 0.5% turmeric powder and 2% coriander seeds (T6). Higher significant values of body weight gain during the whole period of 5 weeks (p<0.001) were observed in broilers on T1, T3, T5, and T6 compared to control. Dietary supplements with T1, T2, T3, and T6 improved the cumulative G:F of broilers during the whole period of 5 weeks (p<0.001) compared with control. The dressing percentage and edible giblets were not influenced by dietary supplements, while higher values of relative weight of the liver (p<0.05) were obtained in T5 and T6 compared to control. The addition of feed supplements in T5 and T6 significantly increased serum total protein and decreased serum glucose, triglycerides and alkaline phosphatase concentrations compared with the control group (p<0.05). Broilers on T6 showed significant decrease in the serum glutamate pyruvate transaminase concentration (p<0.05) compared to control. The broilers having T5 and T6 supplemented feed had relatively greater antibody titre (p<0.001) at 35 d of age than control. It is concluded that dietary supplements with black pepper or coriander seeds or their combinations enhanced the performance and health status of broiler chickens.

독활 종자의 저장온도, 기간 및 방법에 따른 발아율과 유묘 생육특성 연구 (Studies on Germination Rates and Early Seedling Growth Characteristics by Different Storing Temperatures, Durations, and Methods in Aralia cordata var. continentalis (Kitagawa) Y.C.Chu)

  • 이경아;김도현;김민수;오문국;김영국;안영섭;박충범;송범헌
    • 한국약용작물학회지
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    • 제21권1호
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    • pp.20-26
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    • 2013
  • This study was conducted to improve the managing and storing methods of the seeds of Aralia cordata var. continentalis (Kitagawa) Y.C.Chu, to examine the viability and the germination ability of seeds with different storing conditions and methods, and to develop new ways to propagate and have better healthy seedling. Therefore, the germination rate, days required for germinating seeds, and early growth responses of Aralia cordata var. continentalis (Kitagawa) Y.C.Chu were investigated with different storing temperatures, durations and methods. The germination rate was higher in stratified storage than that in dry storage condition. The highest germination rate was with outdoor temperature at 30 days after stratified storage. The days required for germinating seeds were less than 10 days with the treatment of $25^{\circ}C$ and outdoor temperature in stratified storage. In dry condition, they were shorter with $4^{\circ}C$ and $25^{\circ}C$ than those with $-20^{\circ}C$ and outdoor temperature. Leaf number of seedling was higher in stratified storage compared to that in dry condition, while it was not clearly different according to storage temperatures and durations. Leaf length and leaf width of seedling was not difference among the treatment of storage methods, temperatures, and durations. Stem length of seedling was higher in stratified storage than those in dry condition, while root length was not clearly different among the treatments. It would be assumed that temperatures, methods and durations of storage could affect much to the germination rate and the early seedling growth response.

닭에서 고추씨박의 사료적 가치에 관한 연구

  • 임호중;강창원
    • 한국가금학회:학술대회논문집
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    • 한국가금학회 2001년도 제18차 정기총회 및 학술발표 PROCEEDINGS
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    • pp.24-39
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    • 2001
  • These experiments were conducted to evaluate the nutritional and feeding value of red pepper seed oil meal (RPSOM) as local vegetable protein ingredients for poultry feeding. In the first experiment, nutritional values of RPSOM were evaluated by analyzing chemical compositions and determining true metabolizable energy (TME), nitrogen corrected TME (TMEn) and true available amino acid (TAAA) contents. According to the chemical analysis, RPSOM contained 22.50% of crude protein, 4.75% of ether extract, 27.70% of crude fiber, 0.34 mg/g of capsaicin and 49.97 ppm of xanthophylls. The values of TME and TMEn determined by force-feeding 16 roosters (ISA-Brown) were 1.73 kcal/g and 1.63 kcal/g on dry matter basis, respectively. The average TAAA value of 16 amino acids measured by the force-feeding technique was 81.70%. These values were used for formulating experimental diets containing various levels of RPSOM for broiler chicks and laying hens. Two feeding trials were made to investigate the effects of dietary incorporation of RPSOM into chicken feed performances of broiler chicks and laying hens. In the broiler feeding (Exp. 2), a total of two hundred twenty-five, 4 wk old male broiler chicks (Ross) were randomly divided into 9 groups of 25 birds each and assigned to three experimental diets containing 0, 5 and 10% RPSOM. The birds were fed ad libitum the diets for 3 wk and feed intake, weight gain and feed conversion rate were determined. At the end of the feeding, the blood levels of glutamate oxaloacetate transaminase (GOT), gamma glutamyl transpeptidase (GGT), blood urea nitrogen (BUN) and cholesterol, and the body and fatty acid compositions of leg muscle were measured. No significant differences were observed in weight gain, feed intake, feed conversion rate, body composition, serum levels of GOT, GGT and BUN among the treatments. However, blood cholesterol level was lower (P<0.05) in 10% RPSOM diet group than those in the other. The dietary RPSOM at 5 and 10% levels increased the content of linoleic acid (P<0.05) in leg muscle compared to that of control group. The results indicate that RPSOM can be used for broiler feed up to 10% without any significant negative effects on broiler performance. In the layer feeding (Exp. 3), the effects of dietary RPSOM on the performances of laying hen were investigated by feeding ninety 45 wk old laying hens (ISA-Brown) with experimental diets containing 0, 5 and 10% RPSOM for 4 wk (30 birds per treatment). Measurements were made on egg production rate, egg weight, feed intake, Haugh unit, egg shell strength which was higher (P<0.05) in layers fed 10% RPSOM diet compared to those fed 0 and 5% RPSOM diets. Thus, it can be concluded that RPSOM can be included into laying hen feed up to 10% without any harmful effects.

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Activation of Barley S-Adenosylmethionine Synthetase1 Gene Promoter in Response to Phytohormones and Abiotic Stresses

  • Kim, Jae-Yoon;Kim, Dae-Yeon;Jung, Je-Hyeong;Hong, Min-Jeong;Heo, Hwa-Young;Johnson, Jerry W.;Kim, Tae-Ho;Seo, Yong-Weon
    • Journal of Crop Science and Biotechnology
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    • 제10권1호
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    • pp.50-56
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    • 2007
  • Barley S-adenosylmethionine synthetase1 gene, which was differentially expressed in seed development of extra early barley, was regulated by the phytohormones and abiotic stresses. In order to identify the regulation regions which were involved in transcriptional control of the phytohormones and abiotic stresses, we isolated 1459 bp fragment of HvSAMS1 gene promoter using genome walking strategy and deletion series were constructed. Deleted upstream fragments(-1459, -1223, -999, -766, -545, -301 bp) were fused to the GUS reporter gene and evaluated via Agrobacterium-mediated transient expression assay. Increased GUS activity of HvSMAS1 promoter -301/GUS construct under each of NaCl, $GA_3$, ABA and ethylene application was found. However, GUS activity was negligible in the leaves transformed with the HvSMAS1 promoter(-1459, -1223, -999, -766 and -545)/GUS constructs. No significant induction of GUS activity was observed for the ethionine and spermidine treatments. In order to locate promoter sequence of the HvSAMS1 gene that was critical for the activation of gene expression, deletion and addition promoter derivatives(+, includes 43 bp of 5' ORF) of the HvSAMS1 gene fused to the GUS reporter gene were applied. The tobacco leaves which harbored the additional HvSAMS1 promoter(-1459+, -1459 to -546, -545+ and -301+)/GUS construct did not significantly induce GUS activity as compared to the HvSAMS1 promoter(-1459, -545 and -301)/GUS constructs under each of NaCl, ABA and $GA_3$ treatment. However, the GUS activity was high in the tobacco leaves which harboring the -211 to -141 regions of the HvSAMS1 promoter. This result suggested that HvSAMS1 gene expression might be regulated by this region(from -211 to -141).

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밤나무 목재입자와 입상 암면의 배지내 혼합 비율이 플러그묘의 생육에 미치는 영향 (Effect of Medium Composition Including Chestnut Woodchips and Granular Rockwool on Growth of Plug Seedlings)

  • 임미영;정병룡
    • 원예과학기술지
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    • 제18권4호
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    • pp.508-512
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    • 2000
  • 식물 생육을 저해하는 물질을 제거하기 위하여 48시간 수돗물에 침지 또는 6개월간 노지에 적재하여 후숙시킨 밤나무 목재입자를 각각 입상 암면과 25:75, 50:50 또는 75:25(v/v)의 비율로 혼합한 상토에서 고추(Capsicum annuum) 'Kumtap', 토마토(Lycopersicon esculentum) 'Seokwang', 페튜니아(Petunia hybrida) 'Madness Rose' 및 팬지(Viola tricolor) 'Magestic Giant'의 생육을 조사하였다. 대조구로는 공정육묘용 전용 혼합상토를 이용하였다. 초장, 생체중, 건물중 및 엽록소 농도 모두 목재입자의 함량이 많을수록 대조구보다 생육이 저조하였다. 그러나 토마토는 오히려 초장, 생체중, 건물중 등이 대조구보다 유의성 있게 컸으며, 48시간 수돗물에 침지한 목재입자나 6개월간 노지에서 후숙한 목재입자가 비슷한 경향을 보였다. 페튜니아, 팬지 및 고추는 48시간 수돗물에 침지시켰던 목재입자보다 노지에서 6개월간 후숙시킨 목재입자를 사용한 혼합상토에서 생육이 약간 더 좋았다. 팬지, 페튜니아는 상토내 목재입자의 비율이 높을수록 입모율이 저조하였다. 또한 토마토의 경우 목재입자를 상토 재료로 활용할 수 있다는 가능성이 입증되었다.

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재활용 PET병 입자를 배지재료로 이용한 토마토 플러그묘의 재배 (Use of Recycled PET Bottle Particles as a Medium Component for Cultivation of Tomato Plug Seedlings)

  • 이강모;권정화;황승재;정병룡
    • 생물환경조절학회지
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    • 제14권4호
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    • pp.302-306
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    • 2005
  • 본 연구는 재활용 PET-Bottle-Particles(PBT)가 함유된 4가지 생육배지를 이용하여 플러그묘 재배의 가능성을 실험하기 위해 유리온실에서 수행되었다. 토마토 '서광'의 플러그묘를 PBT $100\%$, peat moss $100\%$, 그리고 PBT $50\%+peat\;moss\;50\%$가 함유된 배지 및 상업적으로 이용되는 배지(토실이)를 대조구로 이용하여 육묘하였다. 128공 플러그 트레이에서 2004년 7월 12일에 파종하여 플러그묘의 생육은 파종 후 30일째 측정하였다. 모든 처리에서 $95\%$ 이상 발아하였다. 초장, 지상부 생체중과 건물중, 엽면적, 그리고 하배축 길이는 대조구에서 가장 컸다. 뿌리 길이와 무게는 PBT $100\%$처리에서 가장 컸으며, 이 배지의 pH는 7.3이었다. PBT $50\%+peat\;moss\;50\%$처리에서 엽면적과, 지상부 건물중이 PBT $100\%$ 처리에서 보다 컸으며, peat moss $100\%$처리에서 가장 작았다. PBT를 사용함으로 인한 독성증상은 관찰되지 않았다. 이 결과는 원예 묘종 생산에 있어 배지의 물리성 개선을 위한 구성요소로써 재활용 가능한 PBT의 이용 가능성을 제시해 준다.

수목종자 직파에 의한 암반절개사면 부분녹화 (Studies on Partial Revegetation of Rock Cut-Slope by Direct Seeding of Woody Species Seeds)

  • 홍성각;김종진;이덕수;이기철;윤택승
    • 한국환경농학회지
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    • 제18권3호
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    • pp.265-271
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    • 1999
  • 본 연구는 암반절개사면에 천공 또는 브레이크를 이용하여 부분적으로 조성한(전사면의 $10{\sim}20%$) 식생기반에 자생수종(소나무, 붉나무, 담쟁이덩굴)의 종자 또는 파종립을 직파하여 식생을 도입하는 암반사면 부분 녹화법을 개발하기 위하여 실시되었다. 발아촉진처리된 종자에 피트모스, 진흙, 흡습제(3.5:1:0.2, v/v)를 피복한 파종립$(1{\sim}2cm^3)$은 대조구 종자보다 포장 및 현지 실험에서 발아율이 약 2배 더 높았다. 현지 실험에서 직파종자의 발아율 및 발아한 묘목의 생존율은 여름 및 가을철 직파시 보다 봄철 직파시에 더 높은 성공률을 보였다. 현지 실험에서 공시 수종의 파종립과 종자의 발아율은 퇴비가 포함된 배양토에서 $0{\sim}3%$로 매우 낮았는데 퇴비는 발아종자 또는 유묘의 모잘록병을 유발시키는 것으로 추정되었다. 유묘의 생존율은 외부 침입 초본류에 의한 피압과 피압 받은 후 겨울철 건조에 영향받은 것으로 판단되었다. 성공율이 낮은 여름철 직파법의 대안으로써 1998년 8월에 소나무, 담쟁이덩굴 2년생 포트묘를 암반절개지에 식재한 결과는 성공적이었다.

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Effects of simultaneous supplementation of laying hens with α-linolenic acid and eicosapentaenoic acid/docosahexaenoic acid resources on egg quality and n-3 fatty acid profile

  • Zhang, Pingping;Tang, Chuanqiu;Ding, Zongqing;Huang, Hui;Sun, Yong
    • Asian-Australasian Journal of Animal Sciences
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    • 제30권7호
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    • pp.973-978
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    • 2017
  • Objective: The aim of this study was to investigate the effects of simultaneous supplementation of laying hens with alpha-linolenic acid (ALA) resources (flax, perilla, and Eucommia ulmoides [E. ulmoides] seeds) and eicosapentaenoic acid/docosahexaenoic acid (EPA/DHA) resources (Schizochytrium sp.) on egg quality and n-3 polyunsaturated fatty acids (PUFA) profile. Methods: Dietary treatments were as follows: i) diet C (control diet); ii) diet F (diet C+10% flaxseeds); iii) diet P, (diet C+10% perilla seeds); iv) diet E (diet C+10% E. ulmoides seeds); v) diet A (diet C+1.5% microalage); vi) diet AF (diet C+10% flaxseeds+1.5% microalage); vii) diet AP (diet C+10% perilla seeds+1.5% microalgae); viii) diet AE (diet C+10% E. ulmoides seeds+ 1.5% microalage). Results: Egg weight, yolk weight and production ratio were not significantly affected by either algae or in combination with seeds (p>0.05). No significant difference was observed in ALA and DHA concentration in eggs between flaxseed, perila, and E. ulmodies seeds supplementation alone (p>0.05). N-3 PUFA in eggs was slightly improved by microalgae supplementation. The best supplementation, a combination of microalgae and perilla seeds, elevated (p<0.05) ALA from 19.7 to 202.5 mg/egg and EPA+DHA from 27.5 to 159.7 mg/egg. Highest n-3 PUFA enrichment (379.6 mg/yolk) was observed with supplementation of a combination of perilla seed and microalgae (362.2 mg/yolk), followed by a combination of flaxseed and microalgae (348.4 mg/yolk). The ALA, EPA, and DHA content obtained with a combination of microalgae and seeds surpassed the total sum of that obtained with microalgae or ALA-seeds alone. Conclusion: It is feasible to enrich eggs with n-3 PUFAs by perilla or E. ulmodies seeds instead of flaxseeds. Simultaneous supplementation of microalgae and seeds helped improve the transfer from EPA and docosapentaenoic acid into DHA.

Filter membrane과 feeder세포를 이용한 벼의 원형질체 배양 (The Filter Membrane Culture Procedure with Feeder Cells in Rice Protoplast Culture)

  • LEE, Sung-Ho;SHON, Young Geol;Lee, Soo In;DAVEY Micheal R.;COCKING Edward C.;CHO, Moo Je
    • 식물조직배양학회지
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    • 제24권5호
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    • pp.295-303
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    • 1997
  • Japonica 벼 품종 Taipei 309 성숙 종자의 배반에서 유도된 캘러스로부터 유기 시킨 세포 현탁 배양체에서 원형질체를 분리하여 filter membrane과 feeder 세포를 이용한 여러가지 조건에서 배양하였다. 이러한 조건들은 gelling agents, feeder 세포와 원형질체 밀도, feeder 세포의 종류 및 heat shock 처리 등이며 이들이 filter membrane 배양 방법에서 원형질체 평판 효율에 미치는 효과들을 조사하였다. 원형질체 평판 효율은, Lolium multiflorum을 feeder 세포로 사용하고 (10 mL의 원형질체 배양 배지당 0.5 mL pcv) 원형질체를 mL 당 $5\;\times\;10^{5}$개로 하여 Sea Plague agarose 배지에 원형질체를 배양 했을때 최고치를 얻었다. 원형질체에 heat shock 처리를 했을 때 원형질체 평판 효율은 변화가 없었다. carbohydrate source로서 sucrose로서 sucrose 대신에 maltose를 사용했을 때 식물체 재분화율이 높았으며 원형질체로부터 재분화된 이들 식물체들은 임성을 나타내었다.

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