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Agro-economic efficiency of polycultures of arugula-carrot-lettuce fertilized with roostertree at different population density proportions AGRIAMBI
Oliveira,Lenilton A. de A.; Bezerra Neto,Francisco; Barros Júnior,Aurélio P.; Silva,Maiele L. da; Oliveira,Ocimara F. N.; Lima,Jailma S. S. de.
ABSTRACT This study aimed to evaluate the agro-economic efficiency of agrosystems of two croppings of arugula (A) and two of lettuce (L) intercropped with carrot (C) under different biomass amounts of roostertree incorporated into the soil and population density proportions between the component crops. The experimental design was a randomized block with four replications, with the treatments arranged in a 4 × 4 factorial scheme. The first factor was made up of the amounts of roostertree biomass incorporated into the soil (10, 25, 40 and 55 t ha-1 on a dry basis) and the second factor by the population density proportions of the component crops in the polycultures (50A-50C-50L%, 40A-50C-40L%, 30A-50C-30L% and 20A-50C-20L% of the population recommended for...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Eruca sativa; Daucus carota; Lactuca sativa; Calotropis procera; Agronomic and economic advantages.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662017001100791
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Atributos de solo-planta e de produção de beterraba influenciados pela adubação com espécies da Caatinga Horticultura Brasileira
Batista,Marcos AV; Bezerra Neto,Francisco; Silva,Maiele L; Ambrósio,Márcia MQ; Cunha,Jorge LXL.
RESUMO: Plantas da vegetação espontânea do bioma Caatinga têm sido usadas como adubo verde nos sistemas de produção de hortaliças na região Nordeste do Brasil com o intuito de aumentar a produtividade das oleráceas e melhorar a exploração do meio ambiente. O presente trabalho foi realizado com o objetivo de avaliar o efeito de três espécies espontâneas da Caatinga como adubo verde em diferentes quantidades de biomassa nos atributos químicos do solo-planta e na produtividade da beterraba. O delineamento experimental foi em blocos completos casualizados com três repetições, sendo os tratamentos compostos de três espécies espontâneas da Caatinga: jitirana (Merremia aegyptia); mata-pasto (Senna uniflora) e flor-de-seda (Calotropis procera) utilizadas em cinco...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Beta vulgaris; Merremia aegyptia; Senna uniflora; Calotropis procera; Eficiência agronômica..
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362016000100031
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Atributos microbiológicos do solo e produtividade de rabanete influenciados pelo uso de espécies espontâneas Horticultura Brasileira
Batista,Marcos AV; Bezerra Neto,Francisco; Ambrósio,Márcia MQ; Guimarães,Louise MS; Saraiva,João Paulo B; Silva,Maiele L da.
O uso de espécies espontâneas da Caatinga como adubos verdes é uma técnica de manejo alternativa para a produção de hortaliças no Nordeste do Brasil, mas ainda escassas são as informações. O presente trabalho foi realizado de outubro a dezembro de 2009 em Mossoró-RN com o objetivo de avaliar o efeito de três espécies espontâneas da Caatinga em diferentes doses de biomassa nos atributos microbiológicos do solo e na produtividade do rabanete. O delineamento experimental foi em blocos casualizados com três repetições, sendo os tratamentos compostos de três espécies da Caatinga [jitirana (Merremia aegyptia); mata-pasto (Senna uniflora) e flor-de-seda (Calotropis procera)] utilizadas em cinco doses de massa seca (5,4; 8,8; 12,2; 15,6 e 21,0 t ha-1). As...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Raphanus sativus; Merremia aegyptia; Senna uniflora; Calotropis procera; Caatinga; Microbiologia do solo.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362013000400013
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Evaluation of cytotoxic potential of latex of Calotropis procera and Podophyllotoxin in Allum cepa root model Biocell
Sehgal,R.; Roy,S.; Kumar,V.L..
In the present study we have utilized the Allium cepa root tip meristem model to evaluate the cytotoxic and anti-mitotic activities of latex of Calotropis procera (DL) and podophyllotoxin. Standard cytotoxic drug cyclophosphamide and non-cytotoxic drugs cyproheptadine and aspirin served as controls. Like cyclophosphamide, both DL and podophyllotoxin significantly inhibited the growth of roots and mitotic activity in a dose-dependent manner. However, podophyllotoxin was more potent in this regard and produced root decay. Cyproheptadine and aspirin, on the other hand, showed a marginal effect on the root growth and mitotic activity at much higher concentrations.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Calotropis procera; Podophyllotoxin; Cyclophosphamide; Cytotoxic; Allium cepa.
Ano: 2006 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0327-95452006000100002
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Germinating seeds of the mung bean, Vigna radiata (Fabaceae), as a model for the preliminary evaluation of cytotoxic effects of drugs Biocell
Kumar,Vijay L.; Singhal,Abhishek.
Cytotoxic properties of plant extracts and drugs being developed for cancer treatment are usually evaluated by a variety of in vivo and in vitro tests carried out in animal or plant based models. In the present study we have evaluated the possibility of using the germinating mung beans (Vigna radiata), for rapid and inexpensive screening of drugs exhibiting cytotoxic properties. Mung beans were allowed to germinate either in tap water or in different drug solutions, and parameters like percent germination, increase in radicle length, change in seedling weight and mitotic index of apical root meristems were determined at two time intervals coinciding with the time at which the radicle length in control group was 1.0 to 1.5 cm (time 0, T0) and 48 h later...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Phaseolus aureus; Calotropis procera; Podophyllotoxin; Cyclophosphamide; Aspirin.
Ano: 2009 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0327-95452009000100002
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Hidrólise de proteínas tóxicas de sementes de mamona utilizando látex vegetal como fonte proteolítica. Repositório Alice
EGITO, A. S. do; POMPEU, R. C. F. F.; ANDRADE, F. P. de; FEITOSA, T. S.; RAMOS, M. V.; SALLES, H. O..
2014
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Destoxificação; Variedade BRS-Energia; Mamona; Ricinus communis; Biocombustível; Substância tóxica; Protease; Digestibilidade; Extrato vegetal; Enzima; Hidrólise; Latex; Semente; Torta; Detoxification; Toxic substances; Biorremediação; Ricin; Calotropis procera; Biofuels; Digestibility; Castor beans; Enzymatic hydrolysis.
Ano: 2014 URL: http://www.alice.cnptia.embrapa.br/handle/doc/993310
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In vitro and in vivo antiproliferative activity of Calotropis procera stem extracts Anais da ABC (AABC)
Magalhães,Hemerson I.F.; Ferreira,Paulo M.P.; Moura,Eraldo S.; Torres,Márcia R.; Alves,Ana P.N.N.; Pessoa,Otília D.L.; Costa-Lotufo,Letícia V.; Moraes,Manoel O.; Pessoa,Cláudia.
The cytotoxic potential of stem organic extracts from Calotropis procera (Asclepiadaceae) was firstly evaluated against cancer cell lines by MTT assay. Subsequently, samples considered cytotoxic were tested for antimitotic activity on sea urchin egg development and for in vivo antiproliferative activity in mice bearing Sarcoma 180 tumor. Among the five extracts (hexane, dichloromethane, ethyl acetate, acetone and methanol), ethyl acetate and acetone extracts displayed higher cytotoxic potential against tumor cells, with IC50 ranging from 0.8 to 4.4 μg/mL, while methanolic extract was weakly cytotoxic. Cytotoxic extracts also exhibited cell division inhibition capacity by antimitotic assay, revealing IC50 values lower than 5 μg/mL. In the in vivo antitumor...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Antimitotic; Antiproliferative; Calotropis procera; Sarcoma 180 tumor; Stem extracts.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652010000200017
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Latex fluids are endowed with insect repellent activity not specifically related to their proteins or volatile substances Braz. J. Plant Physiol.
Ramos,Márcio V.; Araújo,Eliane S.; Oliveira,Raquel S. B.; Teixeira,Fabiano M.; Pereira,Danielle A.; Cavalheiro,Mariana G.; Souza,Diego P.; Oliveira,Jefferson S.; Freitas,Cleverson D. T. de.
Latex is an endogenous milky fluid synthesized and accumulated under pressure in a network of laticifer cells. In this study, latices from five plant species were examined for deterrent effect on oviposition of two Coleoptera (Bruchidae) pests. The latex from Euphorbia tirucalli, Calotropis procera and Plumeria rubrae exhibited deterrent activity on oviposition of both Callosobruchus maculatusand Zabrotis subfasciatus beetles. The latex from Cryptostegia grandiflora and Himathantus drasticus were less effective to C. maculatus and Z. subfasciatus oviposition, respectively. Eggs laid on latex-treated seeds were not affected.The emergence and the mean time of development and weight of larvae grown in treated seeds were similar to the controls. The deterrent...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Calotropis procera; Deterrent activity; Insect; Laticifers; Proteins; Plumeria rubra.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1677-04202011000100008
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Molecular characterization and transcriptome profiling of expansin genes isolated from Calotropis procera fibers Electron. J. Biotechnol.
Cheema,Hafiza Masooma Naseer; Bashir,Aftab; Khatoon,Asia; Iqbal,Nadia; Zafar,Yusuf; Malik,Kauser A.
The Calotropis procera seed fibers provide an excellent model system to study the genes involved in fiber elongation, fineness and strength. Expansins constitute one of the important gene families involved in plant cell expansion and other cell wall modification processes. Four homologs of Expansin A gene i.e. CpEXPA1, CpEXPA2, CpEXPA3 and CpEXPA4 were isolated from the cDNA library obtained from fast growing Calotropis procera fibers. These homologs represented typical Expansin A family. Each of them had two conserved domains including GH45 like domain and the putative polysaccharide binding domain. The deduced amino acid sequences of the homologs indicated three conserved motifs: i) eight cysteine residues at N-terminus, ii) four tryptophan residues at...
Tipo: Journal article Palavras-chave: Calotropis procera; CDNA library; Cotton fibers; EXPANSIN A; Signal peptide; Transcriptome profiling.
Ano: 2010 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582010000600010
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Phenytoin-induced Toxicity in the Postnatal Developing Cerebellum of Wistar Rats, Effect of Calotropis procera on Histomorphometric Parameters International Journal of Morphology
Imosemi,I.O; Osinubi,A.A.
The role of methanolic leaf extracts of Calotropis procera in phenytoin-induced toxicity on histomorphometric variables in the postnatal developing cerebellum of Wistar rat was studied. Pregnant rats were treated orally with 50 mg/kg phenytoin in pre and post natal life and 300 mg/kg methanolic leaf extract of Calotropis procera 1 hour prior to phenytoin administration. 200 mg/kg vitamin C (standard antioxidant) was also administered orally 1 hour prior to phenytoin treatment. The control animals received water. Standard diet of rat pellets and water were provided ad libitum. At the end of the experiment, the offspring of days 1, 7, 14, 21, 28 and 50 post partum, five per group were sacrificed by cervical dislocation. The cerebellum of all groups were...
Tipo: Journal article Palavras-chave: Phenytoin; Toxicity; Cerebellar development; Calotropis procera.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022011000200004
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Phytotoxic Effect of Aqueous Extracts of Different Plant Parts of Milkweed on Weeds and Growth and Yield of Wheat Planta Daninha
SHAH,R.H.; BALOCH,M.S.; ZUBAIR,M.; KHAN,E.A..
ABSTRACT: The present research work was undertaken to find out the phytotoxic effects of different concentrations of aqueous extracts of leaves, stems and root of milkweed (Calotropis procera) in the Agronomic Research Area of Department of Agronomy, Faculty of Agriculture, Gomal University, Dera Ismail Khan, Khyber Pakhtunkhwa (KPK), Pakistan during 2013-14 and 2014-15. The treatments consisted of different concentrations of aqueous leaf, stem and root extracts (10, 20, 30 and 40%) of milkweed, which were compared with tap water (control). The results showed that the reduction of all studied parameters, including weeds, growth and yield of wheat was proportional to the concentration of aqueous extracts of milkweed in use. The level of inhibition was...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Phytotoxicity; Calotropis procera; Aqueous extracts; Weed density; Growth; Yield; Wheat.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582017000100279
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Production costs and profitability in coriander fertilised with Calotropis procera under organic cultivation Rev. Ciênc. Agron.
Barros Júnior,Aurélio Paes; Souza,Ênio Gomes Flôr; Ribeiro,Rayanne Maria Paula; Martins,Bruno Novaes Menezes; Silveira,Lindomar Maria da.
ABSTRACT The present study was carried out to determine the amount of biomass of Calotropis procera and itsincorporation time into the soil that provide maximum productivity and profitability in the organic cultivation of coriander during the spring and autumn-winter, under the conditions of Serra Talhada, in the state of Pernambuco, Brazil. The experiment was conducted in a randomised complete block design, in a 4 x 4 factorial scheme with three replications. The first factor corresponded to the amount of biomass (5.4, 8.8, 12.2 and 15.6 t ha-1 on a dry basis), and the second to the incorporation time (0, 10, 20 and 30 days prior toplanting the coriander). In addition to the green-matter yield and production costs, the following economic indicators were...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Coriandrum sativum L; Green manure; Period of cultivation; Calotropis procera; Net income.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902019000400669
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Productive and economic efficiency of carrot intercropped with cowpea-vegetable resulting from green manure and different spatial arrangements Rev. Ciênc. Agron.
Favacho,Fernando Sarmento; Lima,Jailma Suerda Silva de; Bezerra Neto,Francisco; Silva,Josimar Nogueora da; Barros Júnior,Aurélio Paes.
ABSTRACT The aim of this study was to evaluate the agro-economic efficiency of intercropping carrot with cowpea-vegetable in relation to the amounts of biomass of Calotropis procera (Ait.) R.Br. (known locally as flor-de-seda) incorporated into the soil, and to different spatial arrangements. The study was carried out under field conditions from August to November of 2014, at the Experimental Farm 'Rafael Fernandes' of the Rural Federal University of the Semi-Arid (RFUSA), in Mossoró, in the State of Rio Grande do Norte, Brazil. The experimental design was a randomised complete blocks in a 4 x 3 factorial, consisting of a combination of four different amounts of flor-de-seda biomass incorporated into the soil (20, 35, 50 and 65 t ha-1 of dry matter) and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Daucus carota; Vigna unguiculata; Calotropis procera; Intercropping.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902017000200337
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Productive performance of cowpea-radish intercropping under different amounts of rooster tree biomass incorporated into the soil AGRIAMBI
Pereira,Maria F. S.; Bezerra Neto,Francisco; Pontes,Frederico S. T.; Linhares,Paulo C. F.; Silva,Maiele L. da; Silva,Ítalo N..
ABSTRACT Intercropping systems of cowpea with radish are beginning to be deployed in the semiarid region of Rio Grande do Norte state. The great challenge is to know whether or not there is productive efficiency in these systems when fertilized with organic matter produced by spontaneous species from the ‘Caatinga’ biome. Thus, the aim of this study was to evaluate the productive performance of cowpea-radish intercropping systems under different amounts of rooster tree biomass incorporated into the soil. The study was conducted at the experimental farm Rafael Fernandes, rural zone of Mossoró, RN, in the period from June to September 2013, in an experimental design of randomized blocks with four treatments and five replicates. The treatments consisted of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Vigna unguiculata; Raphanus sativu; Calotropis procera; Spontaneous species; Intercropping.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662016001100965
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Produtividade e qualidade da flor-de-seda em diferentes densidades e sistemas de plantio R. Bras. Zootec.
Andrade,Maria Verônica Meira de; Silva,Divan Soares da; Andrade,Albericio Pereira de; Medeiros,Ariosvaldo Nunes de; Pimenta Filho,Edgard Cavalcanti; Cândido,Magno José Duarte; Caldas Pinto,Maria do Socorro de.
Avaliou-se o efeito de dois sistemas de plantio (sem camalhão e com camalhão) e de três espaçamentos (1,0 × 1,5 m; 1,5 × 2,0 m; e 2,0 × 2,0 m) sobre a qualidade e a produtividade de flor-de-seda aos 60 dias de rebrotação. Utilizou-se o delineamento experimental com blocos casualizados em esquema fatorial 2 × 3 (dois sistemas de manejo do solo e três densidades de plantio) com cinco repetições, em parcelas subdivididas no espaço e no tempo. Plantas escolhidas aleatoriamente foram cortadas, separadas por tratamento e analisadas quanto aos teores de matéria seca (MS), matéria orgânica (MO), cinzas, extrato etéreo (EE), proteína bruta (PB), fibra em detergente neutro (FDN), fibra em detergente ácido (FDA), celulose, hemicelulose, lignina, carboidratos...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Calotropis procera; Forrageira nativa; Manejo do solo; Planta xerófila; Semi-árido.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982008000100001
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