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    Wyświetlanie 1-8 z 8
    Tytuł:
    Genetic variability, heritability and genetic advance for yield and yield components in watermelon (Citrullus lanatus Thunb.)
    Autorzy:
    Anburani, A.
    Kannan, P.
    Muthumanickam, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/1076673.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Citrullus lanatus
    Genotypes
    watermelon
    yield components
    Opis:
    Field investigation was carried out to study the genetic variability, heritability and genetic advance and the variability studies showed significant differences among the thirty genotypes for all the thirteen characters. Yield per plant was maximum in CL 4 genotype collected from Atchirupakkam in Villupuram district. The characters viz., number of vines per plant, sex ratio, days to first female flowers, node number of first female flower, days to fruit maturity and number of fruits per plant were recorded the maximum in the same genotype. Genetic analysis indicated maximum phenotypic and genotypic coefficient of variation for single fruit weight and 100 seed weight. The characters viz., fruits diameter, flesh thickness, number of fruits per plant and yield per plant, recorded highest estimate of PCV and moderate estimation of GCV. The characters viz., number of seeds per fruits, flesh thickness, number of primary branches and fruit diameter recorded moderate estimate of PCV and GCV. Lower estimation of GCV was observed for sex ratio, fruit length and number of male and female flowers. High heritability (broad sense) was observed for 100 seed weight, number of seeds per fruit, single fruit weight, vine length, fruit diameter, fruit length, flesh thickness, number of male flowers,sex ratio, yield per plant, number of primary branches per plant, number of female flowers and number of fruits per plant. Based on mean performance, CL 4 followed by CL 22 and CL 10 were selected as the best genotypes in watermelon for the costal ecosystem, by virtue of their higher yield combined with desirable component characters.
    Źródło:
    World News of Natural Sciences; 2019, 25; 22-30
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Physiological and gene-expression variations in watermelon (Citrullus lanatus L.) cultivars exposed to drought stress
    Autorzy:
    Erez, M.E.
    Inal, B.
    Karipcin, M.Z.
    Altintas, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/2130594.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    abiotic stress
    bioactive compounds
    Citrullus lanatus
    transcription factor
    Opis:
    Drought conditions may have direct or indirect effects on plant physiology, biochemistry, and molecular characteristics. The purpose of this study was to investigate the effects of drought stress on the physiological, biochemical, and molecular responses of three different watermelon cultivars with varying levels of drought tolerance (24: drought resistant, CS: moderately tolerant, and 98: drought sensitive). The cultivars exhibited different responses to cope with water stress according to their tolerance level. Drought induced significant reductions in chlorophyll a, total chlorophyll and carotenoid content and glutation reductase and ascorbate peroxidase activity in the sensitive cultivar unlike in the moderately tolerant and drought resistant cultivars. Additionally, the expression levels of NAC1, NAC2, ORE1, WRKY24, SAG12, SAG13, KCS2, CER1, DREB2A, LTP3, SWEET15, and PYL9 genes were measured using qRT-PCR. The expression ratios of the genes significantly varied depending on the gene location and on the tolerance of the cultivars. Results showed that the physiology and biochemical and molecular pathways of tolerant cultivars change to adapt to drought conditions. Therefore, the drought-resistant cultivar copes with drought stress by increasing proline content and antioxidant enzyme activities, as well as by increasing the expression of specific genes.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2020, 89, 2
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Profiling and Comparison of Fatty Acids in the Oils from the seeds of egusi melon (Cucumeropsis mannii Naudin) and watermelon (Citrullus lanatus (Thunb.) Matsum. & Nakai)
    Autorzy:
    Duru, Ijeoma Akunna
    Maduka, Tochukwu David-Oluwatosin
    Powiązania:
    https://bibliotekanauki.pl/articles/1031424.pdf
    Data publikacji:
    2021
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Citrullus lanatus
    Cucumeropsis mannii
    Egusi melon
    GCMS
    Melon
    Watermelon
    fatty acids
    Opis:
    The fatty acid profile of vegetable oil from seeds of egusi melon (Cucumeropsis mannii Naudin) and watermelon (Citrullus lanatus (Thunb.) Matsum. & Nakai) collected from a local market in Imo State, Nigeria, were analyzed using the GC-MS technique. The study revealed the presence of six (6) fatty acids in each seed oil. Four fatty acids and three fatty acid methyl esters were detected. A total of five (5) similar fatty acids (three (3) saturated and two (2) unsaturated) were detected in both oil, and both seed oils contained one fatty acid not detected in the other. The percentage (%) concentration of saturated fatty acids compounds detected in both oil include Pentadecanoic acid methyl ester (EMO: 4.91; WMO: 4.43), Octadecanoic acid (Stearic acid) (EMO: 3.64; WMO: 41.77), and Methyl heptacosanoate (EMO: 39.16; WMO: 1.32) while the (%) concentration of unsaturated fatty acids detected in both oils includes 11-octadecenoic acid, methyl ester, (EMO: 46.05; WMO:46.28) and Oleic acid (EMO: 4.48; WMO: 3.97). Eicosanoic acid, methyl ester was detected at a concentration of 1.77% in Egusi melon seed oil alone while watermelon seed oil detected n-Hexadecanoic acid at a concentration of 2.22%. The fatty acid profiling of both seed oil revealed fatty acid compounds with therapeutic abilities. This study has provided the scientific backing for the therapeutic uses of both oil and also has compared both oil and predicts a future substitution of both oil in future utilization and at the same time influence their acceptability by the consumers.
    Źródło:
    World News of Natural Sciences; 2021, 37; 31-40
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Physical properties of guna fruits relevant in bulk handling and mechanical processing
    Autorzy:
    Aviara, N.A.
    Shittu, S.K.
    Haque, M.A.
    Powiązania:
    https://bibliotekanauki.pl/articles/25024.pdf
    Data publikacji:
    2007
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    Citrullus colocynthis
    guna fruit
    guna plant
    Citrullus lanatus
    flowering plant
    physical property
    mechanical processing
    bulk handling
    Źródło:
    International Agrophysics; 2007, 21, 1
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Antioxidant, antibacterial properties and the light barrier assessment of raw and purified melanins isolated from Citrullus lanatus (watermelon) seeds
    Właściwości antyoksydacyjne, antybakteryjne i barierowe względem światła natywnych i oczyszczonych melanin wyizolowanych z nasion arbuza (Citrullus lanatus)
    Autorzy:
    Lopusiewicz, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/72522.pdf
    Data publikacji:
    2018
    Wydawca:
    Instytut Włókien Naturalnych i Roślin Zielarskich
    Tematy:
    antioxidant property
    antibacterial property
    light barrier
    melanin
    isolation
    Citrullus lanatus
    watermelon
    seed
    Opis:
    The nutritive value and terapeuthic activity of watermelon seeds is known, but up to day no studies on isolation and characterisation of their melanin were conducted. The aim of the study was to evaluate the antioxidant, antibacterial and light barrier properties of raw and purified melanins isolated from watermelon seeds. Native melanin was isolated from seeds by alkaline extraction. Obtained pigment was purified by acid hydrolysis. Chemical tests and FT-IR analysis were conducted to determine the melanin nature of the isolated pigments. UV-Vis, transmittance and colour properties were evaluated spectrophotometrically. Antioxidant activity was determined using ABTS and antibacterial activity through a well diffusion method. The results of the study demonstrated that melanins isolated from watermelon seeds had antioxidant, light barrier and antibacterial properties. A purified form of melanin had higher antioxidant activity and light barrier properties than the raw form. Both melanins inhibited the growth of Enterococcus faecalis and Pseudomonas aeruginosa. Watermelon seeds may be considered as a promising source of natural melanin which possess remarkable therapeutic action that can support the traditional use of this plant in the ethnomedicine.
    Wartość odżywcza i terapeutyczna nasion arbuza jest znana, ale dotychczas brak jest badań na temat izolacji i charakterystyki ich melanin.Celem pracy było określenie właściwości antyoksydacyjnych, antybakteryjnych i barierowych względem światła natywnych i oczyszczonych melanin z nasion arbuza. Natywna melanina została wyizolowana z nasion w środowisku zasadowym. Otrzymany pigment został oczyszczony w wyniku hydrolizy kwasowej. Przeprowadzono testy chemiczne oraz analizę FT-IR aby określić charakter otrzymanych barwników. Widma UV-Vis, transmitancję oraz kolor oznaczono spektrofotometrycznie. Właściwości antyoksydacyjne określono za pomocą ABTS a właściwości przeciwbakteryjne metodą dyfuzyjną-studzienkową. Wyniki niniejszej pracy wskazują na to, że melaniny pozyskane z nasion arbuza charakteryzują się właściwościami antyoksydacyjnymi, barierowymi względem światła i przeciwbakteryjnymi. Oczyszczona melanina miała wyższe niż forma natywna właściwości przeciwutleniające i barierowe względem światła. Obie melaniny hamowały wzrost Enterococcus faecalis i Pseudomonas aeruginosa. Nasiona arbuza mogą stanowić obiecujące źródło naturalnej melaniny, która dzięki swoim właściwościom może stanowić uzupełnienie tradycyjnego zastosowania tej rośliny w etnomedycynie.
    Źródło:
    Herba Polonica; 2018, 64, 2
    0018-0599
    Pojawia się w:
    Herba Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Yamuna river water treatment using a natural coagulant of Citrullus lanatus seeds
    Autorzy:
    Singh, Pratham
    Saxena, Isha
    Powiązania:
    https://bibliotekanauki.pl/articles/1031866.pdf
    Data publikacji:
    2020
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Citrullus lanatus
    Yamuna river
    natural coagulant
    physicochemical treatment
    water treatment
    watermelon seeds
    Opis:
    The aim of this study is to evaluate the potential of Citrullus lanatus seeds (a natural coagulant) also known as Watermelon seeds in treating Yamuna River Water. The problem of water scarcity in developing nations requires an economical and feasible water treatment process like coagulation. The watermelon seeds were analyzed on different physicochemical water treatment parameters. To understand the efficiency of the coagulant; a jar test was conducted by varying dosage, mixing speed, pH, and temperature. At an optimum coagulant dosage of 250 mg/L, pH of 7, stirring speed of 100 rpm, and temperature of 30 °C, the maximum turbidity removal of 81% was observed. The study concludes that the Citrullus lanatus seeds can be used as an effective natural coagulant for water treatment in developing countries.
    Źródło:
    World Scientific News; 2020, 149; 52-63
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparative Nutritional Composition of Selected Medicinal Fruit Seeds
    Autorzy:
    Awotedu, O. L.
    Ogunbamowo, P. O.
    Awotedu, B. F.
    Ariwoola, O. S.
    Powiązania:
    https://bibliotekanauki.pl/articles/1031803.pdf
    Data publikacji:
    2020
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Annona muricata
    Carica papaya
    Citrullus lanatus
    Fruits
    Malus pumila
    Nutritional
    Persea americana
    Seeds
    Terminalia catappa
    Opis:
    Fruits producing medicinal plants are particularly desirable, the seeds produced are considered as waste after the fruits are consumed. This study assessed the nutritional constituents of some fruits seeds by assessing the proximate, minerals and vitamins present in the seeds of Citrullus lanatus (Water melon), Malus pumila (Apple), Annona muricata (Sour sap), Persea americana (Avocado), Terminalia catappa (Almond fruit), and Carica papaya (Pawpaw). The proximate analysis, mineral and vitamin composition of the selected medicinal fruit seeds were investigated using the standard method of analysis. On the proximate composition, protein content ranged from 15.21-34.70%, crude fat: 13.82-33.15%, crude fibre: 6.96-21.71%, ash content: 2.62-5.90%, moisture content: 7.81-20.72% and carbohydrate: 12.19-26.58%; for mineral content, Sodium ranged from 26.2-832 mg/kg, Potassium: 571-4862 mg/kg, Calcium: 194-2070 mg/kg, Magnesium: 28-862 mg/kg, Phosphorus: 104-1070 mg/kg, Iron: 2.53-60.00 mg/kg, Manganese: 2.73-240 mg/kg, Copper: 1.64-73.00 mg/kg and Zinc: 3.42-84.00 mg/kg, while for vitamins, vitamin C (Ascorbic acid) content ranged from 1.26-23.54 mg/100g, vitamin E content ranged from 0.70-1.57 mg/100g; vitamin A (β-carotene) content ranged from not detected-5.61 mg/100g, while vitamin B content ranged from 0.02 mg/100g-2.67 mg/100g. The fruits’ seeds show a considerable amount of vital nutritional chemicals which makes them as good as the fruits and could serve as nutraceutical remedy.
    Źródło:
    World News of Natural Sciences; 2020, 29, 3; 298-310
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Field evaluation of two aqueous plant extracts on water melon Citrullus lanatus (Thumb) insect pests in Northern Guinea savannah of Nigeria
    Autorzy:
    Degri, M.M.
    Sharah, H.S.
    Powiązania:
    https://bibliotekanauki.pl/articles/11351.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    field evaluation
    aquatic plant
    plant extract
    watermelon
    Citrullus lanatus
    insect
    pest
    Northern Guinea
    savannah
    Nigeria
    Opis:
    Leaf beetles and fruitfly infestation greatly limits water melon (Citrullus lanatus) production throughout the tropics. The efficacy of aqueous plant extracts applied at 5 % w/v concentration of two botanicals (neems seed oil and garlic bulb) and 1.5 melt of one synthetic insecticide (karate 2.5 EC) against their infestation were evaluated. The effects of these treatments including control on the number of the insects, number of leaves, vines, length of vines, number of fruits, fruit weight, fruit damaged and undamaged were assessed during 2012 and 2013 cropping seasons in Lawanti, Gombe state, Northern Guinea Savannah region of Nigeria. Result of the study showed that neem seed oil and garlic bulb treatments at 5 % w/v were effective against the leaf beetles and water melon fruitfly as the synthetic insecticide karate 2.5 EC in managing the water melon insect pests. Karate 2.5 EC significantly reduced the infestation of the insect pests of water melon and increased number of leaves, vines, length of vines, number of fruits, fruit weight and number of undamaged fruits/plot followed closely by neem seed oil (A. indica) and garlic bulb (A. sativum) extracts. Water melon a growth and fruit yields were appreciably improved in these treatment while untreated control water melon crops had more leafs beetles and fruitfly infestations, poor plant growth and lower fruit yields. Both botanicals can thus serve as alternatives to synthetic insecticides for managing water melon leaf beetles and fruitfly attack.
    Źródło:
    International Letters of Natural Sciences; 2014, 09
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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