• Title/Summary/Keyword: cucumber red pepper

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Effects of Foliar Application of Bio-enzyme on the Seedlings Growth of Cucumber and Red Pepper (바이오효소(bio-enzyme)의 엽면시비가 오이, 고추 유묘의 생장에 미치는 영향)

  • 김홍기;서범석;정순주
    • Korean Journal of Organic Agriculture
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    • v.5 no.2
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    • pp.141-152
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    • 1997
  • This experiment was conducted to know the effects of foliar applicated bio-enzyme on the early growth of cucumber and red pepper seedlings. Bio-enzyme was manufactured by the culture and proliferation of Bacillus genus and foliar applicated by the concentration of 0.075, 0.15, 0.3 g.$\ell$-1. Foliar application of bio-enzyme had great influenced to the early growth both cucumber and red pepper seedlings. Optimum concentrations of bio-enzyme applicated for the growth of plant height were determined as of 0.075 g.$\ell$-1 in cucumber but in red pepper seedlings 0.15g.$\ell$-1 was more favored. However, foliar application of 0.15g.$\ell$-1 of bio-enzyme was recommended for both cucumber and red pepper seedlings. Especially, leaf area and total dry weight which are main indices of good seedling were highest in the plot of standard concentrations(0.15g.$\ell$-1)of bio-enzyme.

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The Optimum Irrigation Level and the Project Water Requirement for Upland Crops (밭 작물의 최적관개수준과 계획용수량 산정)

  • 윤학기;정상옥;서승덕
    • Magazine of the Korean Society of Agricultural Engineers
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    • v.32 no.1
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    • pp.72-86
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    • 1990
  • This study was carried out to get the basic information of irrigation plans for upland crops such as the optimum irrigation level and the project water requirement. Red peppers and cucumbers were cultivated in PVC pot lysimeters filled with 60cm deep clay loam soil. Four tensiometers were installed in each pot to measure the soil water pressure head. Six levels of irrigation were used. The results obtained from this study are summarized as follows: 1.The optimum irrigation level. The irrigation level of FC-PF2.7 was found to be the optimum level for both red pepper and cucumber with respect to the yield and the weight per fruit. In case of FC-PF2.7, total ET during the irrigation period were 1005.2mm for red pepper, and 429.6mm for cucumber, respectively. 2.soil moisture extraction patterns. Average soil moisture extraction patterns (SMEP)during the irrigation period were from 1st soil layer 43% : 32% : 16% : 9% for red pepper and 39% : 34% : 15% : 12% for cucumber, respectively. The extraction ratio of the upper soils showed very large values during the early stage of growth and decreased largely during the middle stage, and became larger in the last stage. 3.The project water requirement. Among the reference crop evapotranspiration(ETo) computation methods presented by FAO, the Penman method was found to be the best. The effective rainfall was computed by a modified USDA-SCS curve number equation. Availability ratios of the total rainfall during irrigation season were 59.2% for red pepper and 48.9% for cucumber, respectively. Net project water requirement of design year are 837.3mm for red pepper. and 502.Smm for cucumber, respectively.

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Evaluation of Phosphorus Acid Treatment as a Growth Stimulant for Red pepper (Capsicum annuum L.), Cucumber (Cucumis sativus L.), and Kimchi cabbage (Brassica campestris L. ssp. pekinensis) in the Bed Soil Environment (상토 환경에서 고추(Capsicum annuum L.), 오이(Cucumis sativus L.) 및 배추(Brassica campestris L. ssp. pekinensis)에 대한 생장촉진제로서 아인산 처리의 평가)

  • Kwon, Sang-Moon;Lee, Ye-Eun;Park, Young-Min;Kim, Deok-Won;Park, Ji-Su;Oh, Eun-Ji;Yoo, Jin;Chung, Keun-Yook
    • Journal of Environmental Science International
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    • v.29 no.3
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    • pp.229-240
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    • 2020
  • This study was conducted to evaluate the effect of phosphorus acid (H3PO3) addition to the horticultural bed soil on the initial growth of red pepper (Capsicum annuum L. cv.), cucumber (Cucumis sativus L. cv.), and kimchi cabbage (Brassica campestris L. ssp. pekinensis (Lour.) Rupr. cv.). The stem heights of red pepper and cucumber were 46.1% and 23.0% greater in the 50 mg/L of phosphorus acid treatment than the untreated (control). Further, the stem diameter of pepper and cucumber were 48.7% and 23.0% greater in the 50 mg/L of phosphorus acid treatment than the control. In addition, the number of kimchi cabbage leaves was 47.5% greater in the 50 mg/L of phosphorus acid treatment than the control. The dry weights of red pepper, cucumber and kimchi cabbage were 72.9%, 16.5%, and 30.4% heavier in the 50 mg/L than the control, respectively. Cations (K, Ca, and Mg) and total phosphorus (T - P) were quantitatively analyzed for these three horticultural crops. The concentrations of K, Ca, and Mg, and T - P were higher in the 50 mg/L of phosphorus acid than the control, respectively. Based on the results obtained in this study, it appears that treatment of phosphorus acid in horticultural bed soil enhanced the growth of red pepper, cucumber and Kimchi cabbage.

Characteriatics of Single Cell Suspension of Garlic, Red Pepper and Cucumber Prepared by Protopectin Hydrolytic Enzymes (펙틴분해효소를 이용한 마늘, 고추와 오이의 단세포화물의 제조)

  • Baek, Ku-Hyoun;Kim, Sung-Soo;Lee, Young-Chun
    • Korean Journal of Food Science and Technology
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    • v.38 no.3
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    • pp.369-377
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    • 2006
  • Protopectinase (PPase) from Bacillus subtilis was used to investigate enzymatic maceration of vegetable tissues. Optimum concentration and pH of PPase were 0.75, 0.75, and 0.5%, and 5.0, 8.0, 7.0 for red pepper, garlic, and cucumber, respectively. Optimum shaking-rate, reaction time, and temperature of PPase were 250 rpm, 150 min, and $37^{\circ}C$, respectively. Yields of mechanically macerated red pepper, garlic, and cucumber were 45.8, 47.5, and 82.1%, whereas those treated with PPase were 81.8, 84, and 98%. Over 40% Vitamin C, the most unstable component during mechanical maceration, remained intact for 12 days after enzymatic treatment. Color differences $({\Delta}E)$ of mechanically macerated red pepper, garlic, and cucumber were 1.16, 2.86, and 3.27, whereas those of PPase-treated ones were 2.87, 7.68, and 5.22 after heat treatment at $100^{\circ}C$ for 20 min. Capsaicin content of mechanically macerated red pepper was 0.4 mg/100 g, whereas that treated with PPase was 1.32 mg/100 g. Viscosity of PPase-treated vegetable decreased slowly with increasing storage period, whereas that of mechanically macerated vegetable sharply decreased. These results indicate PPase treatment of vegetable could be better choice for preparation of high-values and functionally processed food and for extending preservation period.

Effect of Host Plants on the Development and Reproduction of Frankliniella occidentalis (Pergande) (Thysanoptera : Thripidae) (기주식물이 꽃노랑총채벌레(Frankliniella occidentalis)의 발육과 생식에 미치는 영향)

  • 이건휘;백채훈;황창연;최만영;김두호;나승용;김상수;최인후
    • Korean journal of applied entomology
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    • v.42 no.4
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    • pp.301-305
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    • 2003
  • This study investigated the ecological characteristics of Frankliniella occidentalis on four horticultural crops. On red pepper leaves, larval developmental period and survival rate of F. occidentalis were 6.4 days and 67%, respectively. While adult female lived longer on cucumber leaves as long as 16 days, on Petal lived 8.1 days. F. occidentalis adult female preferred tomato to eggplant, cucumber and red pepper, and higher number of hatched larva were from leaves of middle part of egg-plant compared with those from other parts. F. occidentalis adult female fed preferably on petal compared with leaves and Petals of eggplant, and among petals of four tested plants, the most preference was those of red pepper.

Effect of seawater on growth of four vegetable crops - Lettuce, leaf perilla, red pepper, cucumber -

  • Lee, Sang-Beom;Lee, M.H.;Lee, B.M.;Nam, H.S.;Kang, C.K.
    • Korean Journal of Organic Agriculture
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    • v.19 no.spc
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    • pp.222-224
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    • 2011
  • The effects of seawater on growth of lettuce(Lactuca sativa L.), leaf perilla(Perilla frutescens var. japonica Hara), red pepper(Capsicum annuum L.) and cucumber(Cucumis sativus L.) seedlings were investigated in the glass greenhouse. These effects were studied on seedlings, and diluted seawater (1%, 5%, 10%, 20%, 50%, 100% v/v) was sprayed enough on leaves. The tested four vegetable crops have well grown up to 10% diluted seawater, but the tested vegetable crops were damaged from increasing salt levels. Of these, lettuce was provided salt-tolerant vegetable crop and red pepper was considered salt-sensitive vegetable crop. The salt tolerance of vegetable crops is different between crops and complicated because of additional detrimental effects caused by accumulated ions or specific ion toxicities in their leaves. These results show that agricultural use of seawater may be benefit crop cultivation in organic farming system as well as in conventional farming system.

Outbreak of Cucumber mosaic virus and Tomato spotted wilt virus on Bell Pepper Grown in Jeonnam Province in Korea

  • Mun, Hye-Yeon;Park, Mi-Ri;Lee, Hyang-Burm;Kim, Kook-Hyung
    • The Plant Pathology Journal
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    • v.24 no.1
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    • pp.93-96
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    • 2008
  • In August 2006, a severe disease incidence showing mosaic and/or necrotic symptoms on two bell pepper varieties including red-colored 'Special' and yellow-colored 'Fiesta' was observed in a greenhouse located in Gwangyang, Jeonnam province, Korea. To identify causal viruses, total RNAs were extracted from 11 fruit samples with and without symptoms. Specific oligonucleotide primers for Cucumber mosaic virus (CMV), Pepper mottle virus (PepMoV), Tomato spotted wilt virus (TSWV) and Pepper mild mottle virus (PMMoV) were designed based on the sequences available on GenBank. Database comparisons of the deduced amino acid sequences of each sequence produced 100% and 98% matches with nucleocapsid protein gene of TSWV (Acc. No. ABE11605) and coat protein gene of CMV (Acc. No. DQ018289), respectively, suggesting that the symptoms on bell pepper fruits might be caused by the infection of CMV and TSWV. To our knowledge this is the first report of necrotic as well as mosaic virus disease on bell pepper fruits by the infection of CMV and TSWV in Jeonnam province, Korea.

Effect of phosphorous acid on control of phytophthora blight of red-pepper and tomato, and downy mildew of cucumber in the greenhouse (온실에서 고추.토마토 역병 및 오이 노균병에 대한 아인산(phosphorous acid)의 방제 효과)

  • Chang, Tae-Hyun;Lim, Tae-Heon;Kim, Ik-Youl;Choi, Gyung-Ja;Kim, Jin-Cheol;Kim, Heung-Tae;Lee, Yong-Se;Cho, Kwang-Yun
    • The Korean Journal of Pesticide Science
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    • v.4 no.1
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    • pp.64-70
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    • 2000
  • Control effects of phosphorous acid were investigated on three diseases. For Phytophthora blight of red pepper, protective and curative effects of phosphorous acid at the concentration of $1,408{\mu}g$ a. i./mL were 91.0% and 80.0%, respectively. In case of late blight of tomato, caused by Phytophthora infestans, protective and curative effects were 63.4% and 13.0% at the same concentration, respectively. However, the protective and curative effects of phosphorous acid increased by decreasing inoculum density of Phytophthora infestans. The protective effects of phosphorous acid on control of Phytophthora blight of red pepper was persisted for 4 days with high control efficacy (94.0%). The protective and curative effects of phosphorous acid ($1,408{\mu}g$ a. i./mL) on cucumber downy mildew were 82.0% and 62.0% respectively. The foliar application of phosphorous acid also promoted shoot growth and fresh weight of red pepper.

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A Literature Review Examining the Ingredients and Cooking Methods of the Side Dishes in "Gyuhapchongseo" ("규합총서(閨閤叢書)"에 수록된 부식류의 조리법에 관한 고찰)

  • Kim, Up-Sik;Han, Myung-Joo
    • Journal of the Korean Society of Food Culture
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    • v.23 no.4
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    • pp.438-447
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    • 2008
  • "Gyuhapchongseo" was published in 1809, and introduced the cooking method of the noble class in the late Joseon dynasty. The characteristics of the side dishes in "Gyuhapchongseo" are as follows. Firstly, red pepper was used as whole red pepper, shredded red pepper, powdered red pepper, or Korean hot pepper paste. Secondly, salt-fermented fish was used in some forms of Kimchi, including Sukbakgi, Dong A Sukbakgi, and Gyochimhae. Thirdly, to retain the juiciness of meat during roasting, meat was spread cold water on the surface, dipped into the washing water of rice or wrapped with wet paper. Fourth, to improve the visual effect of a dish, cooked foods were displayed with various color schemes, panfried foods with two tones (egg white and yellow) of color on each side and the use of radish pigmented with deep red color. On examination of the characteristics of food in "Gyuhapchongseo", I would suggest applicable practices for the present cuisine. The use of gravy produced from the boiling down of fish flesh could raise the nutritive value of Kimchi. In "Gyuhapchongseo", Yak po (semi-dried minced beef) is noted as being good for elderly people with bad teeth. A steamed dish with dog meat in Dong A in "Gyuhapchongseo" is made by hollowing out Dong A and putting a dog in it to cook the dog meat to well done in a fire made with the hulls of rice. This technique could be used to present cuisine for steamed and roasted dishes using food ingredients such as pumpkin, sweet pumpkin, and overripe cucumber.

Characteristics of Cucumber mosaic virus-VCH Causing Vein Chlorosis on Red Pepper in Korea (고추에 엽맥퇴록병을 일으키는 오이 모자이크 바이러스(CMV-VCH)의 특징)

  • Cho, Jeom-Deog;Lee, Sin-Ho;Kim, Jeong-Soo;Choi, Gug-Seoun;Kim, Hyun-Ran;Chung, Bong-Nam;Ryu, Ki-Hyun
    • Research in Plant Disease
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    • v.12 no.3
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    • pp.226-230
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    • 2006
  • Cucumber mosaic virus(CMV) was occurred on red pepper showing vein chlorosis or vein necrosis with the incidence rate of 52% from 62 specimens collected in natural fields. Among 32 samples infected with CMV, the specimens of 22 red pepper leaves showing vein chlorosis were infected singly with CMV-VCH. CMV-VCH induced vein chlorosis on the inoculated leaves, and vein banding and vein necrosis on the upper leaves of Nicotiana glutinosa, and then killed after showing bud necrosis. The typical symptoms of vein banding, malformation and blister were produced on the upper leaves of Nicotiana benthamiana and N. tabacum 'Ky-57' without symptoms on the inoculated leaves. The commercial cultivars of 'Bugang', 'Manitta' and 'Gwariput' were shown the typical symptom of vein chlorosis by the mechanical inoculation of CMV-VCH. CMV-VCH was detected specifically by RT-PCR. Virus particles of CMV-VCH were isometric shape having 30 nm diameter. Ultraviolet absorption of purified CMV-VCH was maximum at 260 nm and minimum at 242 nm. The ratio of A260/A280 was 1.71. CMV-VCH had the single nucleo-protein having the molecular weight of 24.5 kDa.