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2022 ◽  
Vol 25 ◽  
pp. 100592
Author(s):  
Nikoletta Solomakou ◽  
Anastasia Loukri ◽  
Panagiota Tsafrakidou ◽  
Alexandra-Maria Michaelidou ◽  
Ioannis Mourtzinos ◽  
...  

Irriga ◽  
2022 ◽  
Vol 1 (4) ◽  
pp. 646-652
Author(s):  
VALDIR MOURA DE OLIVEIRA JUNIOR ◽  
THAYS SOUSA LOPES ◽  
JOÃO VALDENOR PEREIRA FILHO ◽  
JAILDO RIBEIRO BARBOSA ◽  
ROBERT WILLIAM FERREIRA SOARES ◽  
...  

CRESCIMENTO VEGETATIVO DA MORINGA EM DISTINTOS REGIMES DE IRRIGAÇÃO ASSOCIADOS A COMPOSIÇÕES DE DIFERENTES SUBSTRATOS     VALDIR MOURA DE OLIVEIRA JUNIOR1; THAYS SOUSA LOPES1; JOÃO VALDENOR PEREIRA FILHO1; JAILDO RIBEIRO BARBOSA1; ROBERT WILLIAM FERREIRA SOARES1; CARMEM CRISTINA MARECO DE SOUSA PEREIRA2   1Centro Integrado de Ensino Superior, Universidade Estadual do Piauí (UESPI), Rua Almir Benvindo, s/n, bairro Aeroporto, 64860-000, Uruçuí, Piauí, Brasil. [email protected]; [email protected]; [email protected]; [email protected]; [email protected] 2 Departamento de Engenharia Agrícola, Universidade Federal Rural de Pernambuco (UFRPE), Rua Dom Manuel de Medeiros, s/n - Dois Irmãos, 52171-900, Recife, Pernambuco, Brasil. [email protected]     1 RESUMO   A moringa possui ampla adaptabilidade e se condiciona, com muita facilidade, ao clima e solo do Nordeste brasileiro. Ainda são escassas as informações sobre a produção de mudas desta espécie sob composições de substratos associados a regimes de irrigação. Desta forma, o objetivo desse trabalho foi caracterizar o comportamento vegetativo de plantas de moringa submetidas a distintas composições de substratos e regimes de irrigação. O experimento foi realizado em ambiente telado, no período de setembro a outubro de 2020, na área experimental da Universidade Estadual do Piauí, Uruçuí. Adotou-se um delineamento experimental em esquema fatorial, sendo, o primeiro fator, dois regimes de irrigação (50 e 100% da ETo) e o segundo fator, cinco substratos (SB1 = latossolo vermelho; SB2 = substrato comercial; SB3 = solo + esterco; SB4 = solo + cinza vegetal; SB5 = solo + borra de café), com 5 repetições. Aos 45 dias após a semeadura (DAS) foram avaliadas a altura de plantas e o diâmetro do caule. Os parâmetros de crescimento inicial da cultura da moringa foram afetados significativamente pela interação (regimes de irrigação x substratos), sendo os melhores resultados obtidos, na maioria dos substratos utilizados, com a aplicação do regime hídrico de 100% da ETo.   Palavras-chave: Moringa oleifera Lam, produção de mudas, déficit hídrico.     OLIVEIRA JUNIOR, V. M.; LOPES, T. S.; PEREIRA FILHO, J. V.; BARBOSA, J. R.; SOARES, R. W. F.; PEREIRA, C. C. M. S. VEGETATION GROWTH OF MORINGA IN DIFFERENT IRRIGATION REGIMES ASSOCIATED WITH COMPOSITIONS OF DIFFERENT SUBSTRATES     2 ABSTRACT   Moringa has wide adaptability and is very easily conditioned to the climate and soil of northeastern Brazil. Information on the production of seedlings of this species under compositions of substrates associated with irrigation regimes is still scarce. Thus, this work aimed to characterize the vegetative behavior of moringa plants submitted to different compositions of substrates and irrigation regimes. The experiment was carried out in a screened environment, from September to October 2020, in the experimental area of ​​the State University of Piauí, Uruçuí. An experimental design was adopted in a factorial scheme, the first factor being two irrigation regimes (50 and 100% of ETo) and the second factor, five substrates (SB1 = red oxisol; SB2 = commercial substrate; SB3 = soil + manure; SB4 = soil + vegetable ash; SB5 = soil + coffee grounds), with 5 repetitions. At 45 days after sowing (DAS), plant height and stem diameter was evaluated. The initial growth parameters of the moringa crop were significantly affected by the interaction (irrigation regimes x substrates), with the best results obtained, in most of the substrates used, with the application of the water regime of 100% of ETo.   Keywords: Moringa oleifera Lam, seedling production, water deficit.


2022 ◽  
Author(s):  
Chelselyn Chuaca ◽  
Elza Karenina ◽  
Kezia Yusuf ◽  
Shafwah Dzahabiyya ◽  
Alwan Raihan ◽  
...  

2022 ◽  
pp. 100953
Author(s):  
Yoko Hirono-Hara ◽  
Airi Kato ◽  
Yurika Mizutani ◽  
Hiroshi Kikukawa ◽  
Kiyotaka Y. Hara

2022 ◽  
Vol 302 ◽  
pp. 114075
Author(s):  
Ana Cervera-Mata ◽  
Gabriel Delgado ◽  
Alejandro Fernández-Arteaga ◽  
Flavio Fornasier ◽  
Claudio Mondini

Author(s):  
Kyojung Hwang ◽  
Jiwook Yang ◽  
Jihui Byeon ◽  
Hansol Choi ◽  
Dae-Young Kim

2021 ◽  
Author(s):  
Hany Hussein ◽  
Waleed Abouamer ◽  
Hatem Ali ◽  
Manal El-khadragy ◽  
Hany Yehia ◽  
...  

Abstract Exploiting massive amounts of food and agro-waste represents a severe social, economic, and environmental issue. Under the growing demand toward food products free of toxic synthetic insecticides, the methanolic extract of spent coffee grounds (SCGs), which represent the main by-product of coffee production, was applied in the current study as a bioinsecticide against the main pests of the green bean; Spodoptera littoralis, Agrotis ipsilon, Bemisia tabaci, Empoasca fabi and Aphis craccivora. Deterrent assay, contact bioassay, and lethal concentration analysis were performed to reveal the repellent, antifeedant, and oviposition deterrent effects. Parallel to the above-performed bioassays, the phytochemical composition of the SCGs methanolic extract was investigated via High-Performance Liquid Chromatography (HPLC) analysis. Fourteen phenolic acids and five flavonoids in addition to caffeine (alkaloid) have been identified in the extract. Cinnamic, rosmarinic, and gallic acids were the predominant phenolics, while apigenin-7-glucoside was the main flavonoid, followed by naringin, catechin, and epicatechin. The extract of SCGs showed an insecticidal effect, with mortality between 27.5-76% compared to the control (7.4%) and based on the concentration of the extract used. In the same trend, oviposition efficiency revealed different laid egg batches (0.67, 2.33, 7.33, and 8.67 batch/jar) for 100, 50, 25% of the SCGs extract and control. Finally, the major components of SCGs extract were docked into insecticide acetylcholinesterase enzyme to explore their potential of inhibition, where apigenin-7-glucoside showed a higher binding affinity, followed by catechin, compared to the control (lannate). Obtained findings could be a starting point to develop novel bioinsecticides from SCGs.


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