Revista Ciencia Agronomica最新文献_第10页

Physiological response of black pepper (Piper nigrum L.) to deficit irrigation 黑胡椒对亏缺灌溉的生理反应

IF 0.8 4区农林科学

Revista Ciencia Agronomica Pub Date : 2022-01-01 DOI: 10.5935/1806-6690.20220002

Clodoaldo Spadeto Ambrozim, L. O. Medici, E. S. D. Cruz, J. Abreu, D. F. Carvalho

{"title":"Physiological response of black pepper (Piper nigrum L.) to deficit irrigation","authors":"Clodoaldo Spadeto Ambrozim, L. O. Medici, E. S. D. Cruz, J. Abreu, D. F. Carvalho","doi":"10.5935/1806-6690.20220002","DOIUrl":"https://doi.org/10.5935/1806-6690.20220002","url":null,"abstract":"Due to the amount of water used in the agricultural sector, compared to other activities, irrigation must be done carefully and based on knowledge of plant water relations. The aim of this work was to evaluate the physiological behavior of young black pepper plants (Piper nigrum L.), subjected to water defi cit, as well as the potential for recovery after stress. In 5 L pots, the plants were subjected to different irrigation levels (100; 78; 58 and 32% of the control depth), with irrigation management performed by an automatic controller from a water tension sensor in the soil. The following traits were evaluated: leaf osmotic potential (Ψo), relative water content (RWC), stomatal conductance (gs) and photosynthetic pigments. To evaluate the plants’ recovery capacity, substrate rehydration was performed when about 50% of the plants in a treatment had stomatal conductance (gs) close to zero. The different levels of water defi cit reduced the values of all traits. In the treatment 32%, values of -2.39 MPa for Ψo, 60% for RWC and gs close to zero were observed on the 28 th day of water restriction. After three days of rehydration of this treatment, the recovery of these values was partial, not reaching the values of the treatments 100 and 78%. Black pepper plants showed high susceptibility to water restrictions and low capacity for recovery after stress.","PeriodicalId":21359,"journal":{"name":"Revista Ciencia Agronomica","volume":"1 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71156490","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Modelling intermittence and river fl ow in the semi-arid region of Brazil: The Umbuzeiro River, Ceará 巴西半干旱地区的间歇性和河流流量模拟:塞埃尔<e:1>的翁布塞罗河

IF 0.8 4区农林科学

Revista Ciencia Agronomica Pub Date : 2022-01-01 DOI: 10.5935/1806-6690.20220051

G. D. Lima, Thales Bruno Rodrigues Lima, N. Soares, J. C. Araújo

引用次数: 0

Beneficial effects of silicon in plants under abiotic stress conditions: A new approach 非生物胁迫条件下硅在植物中的有益作用:一种新途径

IF 0.8 4区农林科学

Revista Ciencia Agronomica Pub Date : 2022-01-01 DOI: 10.5935/1806-6690.20220052

Sâmia Paiva de Oliveira Moraes, J. F. M. Rodrigues, M. E. O. Escobar, F. S. Araújo, T. S. Oliveira

引用次数: 1

Phenolic compounds, antioxidant and antibacterial activity of extract from leaves and bark of Stryphnodendron adstringens (Mart.) Coville 马钱柏叶和树皮提取物的酚类化合物、抗氧化和抗菌活性研究阿尔蒙

IF 0.8 4区农林科学

Revista Ciencia Agronomica Pub Date : 2022-01-01 DOI: 10.5935/1806-6690.20220049

Jhonatas Emílio Ribeiro da Cruz, João G. Q. Costa, Terezinha Aparecida Teixeira, G. R. O. E. Freitas, Marcos de Souza Gomes, E. Morais

引用次数: 0

Biomass production and salt extraction by species alone or associated in the revegetation strategy 植被恢复策略中单独或相关物种的生物量生产和盐提取

IF 0.8 4区农林科学

Revista Ciencia Agronomica Pub Date : 2022-01-01 DOI: 10.5935/1806-6690.20220061

Maria Camila de Barros Silva Leite, M. Freire, L. G. Pessoa, Clarissa Buarque Vieira, F. J. Freire, Patryk Ramon Rosa Wandersee, Pedro Gabriel Correia de Lucena, J. G. Fernandes

引用次数: 0

Genetic diversity among bean landraces and cultivars for agronomy traits and selection of superior parents 大豆地方品种农艺性状遗传多样性及优良亲本选择

IF 0.8 4区农林科学

Revista Ciencia Agronomica Pub Date : 2022-01-01 DOI: 10.5935/1806-6690.20220031

Guilherme Godoy dos Santos, N. D. Ribeiro, S. M. Maziero, Greice Godoy dos Santos

引用次数: 2

Sowing depth and light intensity on the emergence and development of weeds 播种深度和光照强度对杂草出苗发育的影响

IF 0.8 4区农林科学

Revista Ciencia Agronomica Pub Date : 2022-01-01 DOI: 10.5935/1806-6690.20220008

G. S. F. Souza, R. F. Marques, M. R. R. Pereira, S. R. Marchi, D. Martins

引用次数: 1

Irrigation depth and silicate fertilisation in green maize 绿玉米灌溉深度与硅酸盐施肥

IF 0.8 4区农林科学

Revista Ciencia Agronomica Pub Date : 2022-01-01 DOI: 10.5935/1806-6690.20220043

Chrislene Nojosa Dias Fernandes, T. V. D. A. Viana, C. N. V. Fernandes, Alexandre de Almeida e Silva, B. M. D. Azevedo, A. B. Marinho

引用次数: 0

Glufosinate, nicosulfuron and combinations in the performance of maize hybrids with the pat gene 草甘膦、硝磺隆及其组合对pat基因玉米杂交种生产性能的影响

IF 0.8 4区农林科学

Revista Ciencia Agronomica Pub Date : 2022-01-01 DOI: 10.5935/1806-6690.20220046

Rafael Wehrmeister, A. Albrecht, L. Albrecht, A. F. M. Silva, Eduardo Seity Furlan Kashivaqui

引用次数: 0

In vitro bioaccessibility of antioxidant compounds from structured fruits developed with gellan gum and agar 用结冷胶和琼脂制备的结构性水果中抗氧化化合物的体外生物可及性

IF 0.8 4区农林科学

Revista Ciencia Agronomica Pub Date : 2022-01-01 DOI: 10.5935/1806-6690.20220005

A. Leal, Luciana de Siqueira Oliveira, Juliana Nascimento Costa, Carlos Artur Nascimento Alves, P. Mata, P. H. M. Sousa

{"title":"In vitro bioaccessibility of antioxidant compounds from structured fruits developed with gellan gum and agar","authors":"A. Leal, Luciana de Siqueira Oliveira, Juliana Nascimento Costa, Carlos Artur Nascimento Alves, P. Mata, P. H. M. Sousa","doi":"10.5935/1806-6690.20220005","DOIUrl":"https://doi.org/10.5935/1806-6690.20220005","url":null,"abstract":"This study aims to evaluate the bioaccessibility of antioxidant compounds of structured fruits. Samples were prepared with 50% of each pulp (mango/caja, mango/cashew apple and mango/acerola), agar and gellan gum (low acyl-LA and high acyl-HA) in LA:HA ratios of: 100:0, 75:25 and 50:50, in a concentration of 0.75%. There was a reduction in the antioxidant compounds contents after in vitro digestion. The bioaccessible ascorbic acid levels ranged from 15.10% (LA100/HA0 mango/acerola) to 71.18% (LA50/HA50 mango/cashew apple); Total Extractable Polyphenols (TEP) ranged from 24.58% (mango/caja pulp) to 75.50% (LA75/HA25 mango/acerola); antioxidant activity ranged from 21.10% (LA75/HA25 mango/caja) to 51.05% (LA75/HA25 mango/acerola). Mango/acerola ascorbic acid bioaccessibility was lower and the mango/cashew apple HA gellan gum sample antioxidant activity was higher than pulp, probably due to temperature increasing at processing. It was concluded that the agar and gellan gum (HA and LA) hydrocolloids were able to contain these compounds in the production process of the structured and during digestion, which proves the similarity of structured fruits with fresh pulps.","PeriodicalId":21359,"journal":{"name":"Revista Ciencia Agronomica","volume":"1 1","pages":""},"PeriodicalIF":0.8,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71156422","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2