Manoel Bandeira Albuquerque

Universidade Federal da Paraíba | UFPB · Departamento de Fitotecnia

Sunlight directly influences on the development of forest species by affecting the attributes of plant growth and physiology. Among these species, Erythroxylum pauferrense Plowman is considered a rare species, as its distribution is restricted only to the state of Paraíba. Therefore, studies are needed that seek to evaluate the adaptation, developm...

Root-knot nematodes are the main soil-dwelling phytopathogens that cause severe damages to plants, especially tomato plants. Exogenous application of salicylic acid (SA) can mitigate such pathogenicity. This work aimed to evaluate the growth of tomato plants submitted to Meloidogyne javanica population densities (PD) and application of SA. The expe...

Erythroxylum pauferrense Plowman is an understory species native to Brazil, with great importance in the conservation of genetic resources and is used as a food source for animals in the regions where the species occurs. The species is currently listed in category EN (endangered). The objective of this work was to evaluate the effect of different s...

Physalis peruviana L. is a solanacea that has been gaining prominence due to its fruits presenting good acceptance in the national and international market. However, several abiotic factors, such as salinity, can cause physiological disturbances in plants, and these changes may be of greater or lesser intent according to species. Therefore, the obj...

This study aimed to determine the gas exchange and the chlorophyll content of green pepper plants under doses and times of application of bio-fertilizers based on manure and enriched organic compost. Two experiments were carried out simultaneously with applications of bio-fertilizers prepared from manure and enriched organic compost, one using catt...

Thus, the objective of the research was to evaluate the initial growth and development of seedlings under Platymiscium floribundum at different levels of luminosity. The experimental design was completely randomized in a 4 x 10 factorial scheme (four levels of shade: full sun, 50%, 65% and 80% with ten replications per treatment. The height, number...

Production of Physalis peruviana L. has gained prominence in Northeastern Brazil. However, salinity limits the crop development in the Brazilian semiarid. Thus, this research aimed to evaluate the application of Acadian® biostimulant as mitigant of the deleterious effects of salinity on growth and gas exchange of P. peruviana plants. The experiment...

Seasonal variation affects understory and canopy tree plants in different ways. Palicourea racemosa is an understory shrub from the Rubiaceae family and is subject to seasonal oscillations of the environment, which can affect plant ecophysiological responses. This species is widely distributed in humid forests from southern Mexico to southeastern B...

Baraúna (Schinopsis brasiliensis Engl.), is a typical species of the caatinga, considered in immediate danger of extinction, studies of techniques that assist in the multiplication of this species in forest nurseries are necessary. Little is known about its physiological behavior under shading conditions. The objective was to evaluate the physiolog...

Salinidade da água e ácido salicílico no crescimento de plantas de tomate Salinidad del agua y ácido salicílico en el crecimiento de las plantas de tomate Abstract The tomato is one of the most important vegetables in Brazilian market. The production of this vegetable can be limited by the excess of salts in the water used for irrigation. The use o...

Nematodes of the genus Meloidogyne spp. are one of the tomato culture's main pathogens. According to their soil infestation level, physiological changes may occur. Consequently, it is extremely important to employ given products to minimize their effect. A feasible option is the salicylic acid, a phytohormone that can induce into resistance due to...

The use of rock dust as soil remineralizer is a way to accelerate nutrient release from rocks, altering soil fertility indices by adding macro and micronutrients and promoting soil physicochemical properties and biological activity improvements. The productivity of tropical agricultural soil is mainly due to the intensive use of NPK soluble sources...

The determination of leaf area is of fundamental importance in ecophysiological studies that seek to understand the plant-environment relationship. The objective of this research was to determine an allometric equation to estimate the leaf area of Mesosphaerum suaveolens from linear measures of leaf blade (length and/or width). There were collected...

Salinity is one of the most problematic abiotic stresses in agriculture globally, especially in semi-arid regions. Thus, the application of nutrients, such as nitrogen and potassium to improve plant nutritional conditions may be a viable alternative to minimize the negative effects of saline stress. Therefore, the aim of this study was to evaluate...

Ecophysiological studies are highly important to seek understanding of the plant-environment relationship. The objective of this work was to evaluate the influence of environmental factors on physiological aspects in young plants of Erythroxylum pauferrense throughout the day. A completely randomized design with 10 treatments and 4 replicates was u...

Estimating leaf area is essential to evaluate vegetal growth. Our study sought to obtain statistical models to allow the leaf area estimation of Palicourea racemosa, considering its length (L) and width (W). For such purpose, we collected 200 leaves of this species in the State Park Mata do Pau-Ferro, in the municipality of Areia, Paraíba, Northeas...

The availability of light is one of the factors that most limits the photosynthesis of juvenile trees in the understory of the forest. The study was carried out in the Mata do Pau-Ferro State Park, located in the city of Areia, PB. The objective of this study was to evaluate how gas exchanges occur in individuals of Psychotria colorata (Willd. Ex R...

The salinity of irrigation water is one of modern agriculture's major obstacles, as it can damage the plants metabolism and, consequently, its development. Currently there is a great demand for substances that may mitigate such effects, such as salicylic acid. Thus, this study aimed to evaluate the effects of salicylic acid application on watermelo...

The salinity of irrigation water is one of modern agriculture's major obstacles, as it can damage the plants metabolism and, consequently, its development. Currently there is a great demand for substances that may mitigate such effects, such as salicylic acid. Thus, this study aimed to evaluate the effects of salicylic acid application on watermelo...

Studies of leaf surface are important for the ecophysiological context. We tested 12 allometric equations to estimate the leaf area of the endemic species Erythroxylum pauferrense Plowman, using different morphometric measurements (n = 600). The analysis of variance (p < 0.001), determination coefficient (R2adj), standard error of estimates (Sxy),...

Salinity is one of the modern agriculture major obstacles, causing several physiological disturbances in plants, adversely affecting its growth and development. Therefore, some techniques are required in order to alleviate the negative effects of salinity stress on plants, as for example an adequate nitrogen fertilization. The aim of this study was...

The Ceiba glaziovii is a forest species used for pharmacological purposes and in the recovery of degraded areas. Nevertheless, the availability of light may be somewhat limiting to its development and may directly influence its physiological and biochemical processes. Thus, the objective of this work was to evaluate the ecophysiological behavior of...

The determination of leaf area is of fundamental importance in studies involving ecological and ecophysiological aspects of forest species. The objective of this research was to adjust an equation to determine the leaf area of Ceiba glaziovii as a function of linear measurements of leaves. Six hundred healthy leaf limbs were collected in different...

The silk flower (Calotropis procera) is a plant found practically in the whole Northeast region of Brazil and can be used for several purposes. However, its morphophysiological characteristics may be influenced by the degree of brightness. This study aimed to evaluate the morphophysiological behavior of silk flower under different shading levels. T...

Erythroxylum citrifolium is a neotropical plant species recorded in all regions of Brazil. Determining leaf area is of fundamental importance to studies related to plant propagation and growth. The objective was to obtain an equation to estimate the leaf area of E. citrifolium from linear dimensions of the leaf blade (length and width). A total of...

Erythroxylum pauferrense is an endemic understory plant species of the Northeast Region of Brazil. The species is of great importance to the region and so ecophysiological studies are needed for its preservation. The objective of the present study was to determine the best substrates and temperatures for testing germination and seed vigor of E. pau...

Potassium (K) is the second nutrient of greater absorption by plants, and it is of fundamental importance for the development of the cultures and acts in the activation of enzymes that participate in the photosynthetic processes. However, there are still doubts about its residual effect on crop succession. Therefore, the objective of the research w...

Several abiotic factors may influence the growth and development of forest species. Among these, luminosity is one of the most important, because it affects plant physiological processes and control their metabolism. The objective of this study was to evaluate the effect of different shading levels under growth and chlorophyll indices on Calotropis...

Allelopathy is a naturally occurring phenomenon that results in the release of chemicals capable of stimulating or inhibiting the development of other nearby plants. The objective of this work was to evaluate the allelopathic potential of Melia azedarach on the germination, seed index, length and dry mass of seedlings of three Atlantic Forest speci...

Determining leaf area is important for studies involving plant growth and development. The aim of the present study was to obtain models for estimating leaf area of Psychotria carthagenensis and Psychotria hoffmannseggiana using linear measurements of leaf blades (length and width). Two hundred leaf blades of each species were collected in Parque E...

The pata-de-vaca (Bauhinia divaricata L.) tree is a species widely distributed in Brazil, it has a high ornamental and economic value. Its leaves are used in renal inflammations, such as diuretic, hypoglycemic, being considered a medicinal plant of popular use. The research was carried out in a greenhouse belonging to the Laboratório de Ecologia Ve...

This research aimed to determine an equation to estimate the leaf area of Erythroxylum simonis using the length and width of leaf blades. Two hundred leaf blades of this species were collected in Mata do Pau-Ferro, a State Park located in Areia, PB, Brazil. Regression analyses were used to determine the estimation equations. The linear, linear with...

Among nutrients, nitrogen is required in the greatest quantities by bean culture. The objective of this work was to evaluate growth, physiological responses and productivity of the common bean cultivar, ‘IAC Imperador’ under varying nitrogen doses in Brejo Paraibano. The experiment was carried out at Fazenda Experimental Chã-de-Jardim (Chã-de-Jardi...

The quality of the seeds is of great importance for the cultivation of plants, however, the quality can be altered by the abiotic effects, amongst such, saline stress. Salinity is one of the great obstacles faced by modern agriculture, however, alternatives have been researched to mitigate its effects, where it is possible to mention the use of sal...

Erythroxylum simonisis an understory species found in Northeast Brazil. Due to its shaded habitat,E. simonisis subjected to seasonal oscillations of the environment, to which it must respond ecophysiologically. The objective of this study was to evaluate the effects of seasonality on the ecophysiology ofE. simonis in a fragment of Seasonal Semideci...

Cryptostegia madagascariensis Bojer ex Decne. é uma espécie de porte arbustivo capaz de formar maciços populacionais em diversos nichos da caatinga e ecossistemas associados, sobretudo nos sítios mais úmidos, podendo alterar as características da vegetação nativa, causando o desaparecimento das espécies autóctones. Este estudo teve como objetivo id...

The Allamanda blanchetii belongs to the Apocynaceae family, being an ornamental species popularly known as allamanda-roxa and is endemic to the Caatinga. The aim of this research was to evaluate the growth, gas exchange, relative water content, and stomatal density of A. blanchetii under water stress conditions. The experimental design was complete...

In the 1970s, the social impacts of protected areas (PAs) began to be widely recognized as conservationist thinking and human rights evolved to an acceptance that conservation can be achieved in collaboration with traditional communities. However, such a 'human face' given to conservation is still not present in some 21st century PAs: Catimbau Nati...

Cryptostegia madagascariensis Bojer ex Decne. is a shrubby species capable of forming populational massifs in several niches of caatinga and its related ecosystems, especially in the most humid sites, that may change the characteristics of native vegetation, triggering the disappearance of autochthonous species. This study aimed to identify the imp...

FISIOLOGIA DO Sesamum indicum L. SOB ESTRESSE HÍDRICO E APLICAÇÃO DE ÁCIDO SALICÍLICO1 SELMA DOS SANTOS FEITOSA2; MANOEL BANDEIRA DE ALBUQUERQUE3; ADEMAR PEREIRA DE OLIVEIRA3; WALTER ESFRAIN PEREIRA3 E JOSÉ FÉLIX DE BRITO NETO4 1Trabalho de Tese de Doutorado do primeiro autor2Departamento de Agroecologia, IFPB, Rua Pedro Antunes, s/nº, 58814-000, S...

A utilização de macrófitas aquáticas na composição de substratos para produção de mudas de moringa constitui uma alternativa sustentável. Portanto, objetivou-se com esta pesquisa avaliar o desenvolvimento de mudas de moringa, utilizando subtratos com macrófitas aquáticas, e determinar os teores de N, P e K nas mudas. Utilizaram-se diferentes combin...

The regular water supply during life cycle is essential to determine the yield in the legumes. In semiarid environments, the irregular rainfall and high temperature influence the phenology of crops impairing the yield. Peanut is an oleaginous crop with broad adaptation to tropical and semiarid climates, but yield is often harmed when plants face wa...

As trocas de energia na interface solo-planta-atmosfera, por meio das componentes do balanço de radiação (Rn) e dos fluxos de calor no solo (G), sensível (H) e latente (LE), são essenciais para a modelagem climática e hidrológica que, por sua vez, afetam toda a biosfera. Dessa forma, esta pesquisa teve por objetivos: (1) estimar e comparar o compor...

Aquatic macrophytes are widely used as bioindicators of water quality because their proliferation usually occurs in eutrophic water sources and has hit several parts of Brazil and the world, restricted the multiple uses of aquatic ecosystems. However, this group of plants is able to retain considerable amounts of nutrients, presenting high producti...

Aquatic macrophytes are widely used as bioindicators of water quality because their proliferation usually occurs in eutrophic water sources and has hit several parts of Brazil and the world, restricted the multiple uses of aquatic ecosystems. However, this group of plants is able to retain considerable amounts of nutrients, presenting high producti...

Five peanut genotypes, with different growth habits were submitted to moderate water stress in a greenhouse for seven days. Seeds were planted in 15-litre pots containing soil and a substrate (Plantmax®), both optimized for the crop. The adopted experimental design was completely randomized, using a 5 x 2 bi-factorial scheme(5 genotypes × 2 water t...

Copper and Humans: A Relation of 10,000 YearsCopper: Identity Card, Main Sources, and Environmental PollutionCopper in PlantsFurther Research TopicsReferences