scholarly journals Physical characteristics of passionfruit cv. BRS gigante amarelo produced by flowers with three and four carpels

2020 ◽  
Vol 36 (5) ◽  
Author(s):  
Danilo Akio de Sousa Esashika ◽  
Fábio Gelape Faleiro ◽  
Nilton Tadeu Vilela Junqueira

The carpel is the female reproductive structure composed of a set of stigma, style and ovary. Normally passionflower have three carpels, however, some cultivars have this structure in greater quantity. The objective of this work was to identify relationships between the number of carpels and the physical characteristics of BRS Gigante Amarelo fruits. The flowers with three and four carpels were marked, pollinated and the fruits harvested from these flowers analyzed for transverse diameter, longitudinal diameter, pericarp thickness, fruit mass, pulp mass, pulp ratio, number and weight of seeds. A completely randomized design with 10 replicates per treatment was used and each plot had the average of 3 fruits. The data were submitted to variance analysis and the means were compared by the Tukey test at 5% of probability. The fruits generated by flowers with 4 carpels were 18,30% heavier, their pulp were on average 20.75% heavier, presented transverse diameter 7,53% superior to that of fruits generated by flowers with 3 carpels. Similar increments were identified regarding the number of seeds and the weight of seeds per fruit that increased 18,85% and 52.42%, respectively. This result indicates that cv. BRS Yellow Giant with 4 carpels generates heavier fruits, pulp and seeds with a more spherical shape.

Irriga ◽  
2019 ◽  
Vol 24 (4) ◽  
pp. 861-873
Author(s):  
Pedro Idelano de Alencar Felício ◽  
Renato Silvio da Frota Ribeiro ◽  
Alexsandro Oliveira Silva ◽  
José Carlos de Araújo ◽  
Raimundo Nonato Távora Costa

CARACTERÍSTICAS FÍSICAS DE CÁPSULAS POROSAS PARA USO NA IRRIGAÇÃO LOCALIZADA     PEDRO IDELANO DE ALENCAR FELÍCIO1; RENATO SÍLVIO DA FROTA RIBEIRO1; ALEXSANDRO OLIVEIRA DA SILVA1; JOSÉ CARLOS DE ARAÚJO1 E RAIMUNDO NONATO TÁVORA COSTA1   1 Departamento de Engenharia Agrícola, Universidade Federal do Ceará, Av. Mr. Hull, s/n, Pici, CEP:60356-001, Fortaleza, Ceará, Brasil. E-mail: [email protected]; [email protected]; [email protected]; [email protected]; [email protected]     1 RESUMO   Há diversos usos para as cápsulas porosas na agricultura, contudo, estas devem ser caracterizadas por parâmetros de avaliação como pressão de borbulhamento e condutância hidráulica. O objetivo da pesquisa foi aferir as características físicas de cápsulas porosas para uso na irrigação localizada. Para o sistema de irrigação proposto, utilizaram-se dez cápsulas porosas na execução do ensaio experimental que consistiu em um delineamento inteiramente casualizado com três tratamentos, constando de diferentes manejos de irrigação (manejo via clima, via solo e via cápsula porosa) com dez repetições, totalizando 30 unidades experimentais, tendo sido avaliados parâmetros de produção e crescimento da cultura do rabanete. A pressão de borbulhamento média observada foi de 2,34 atm, enquanto a condutância hidráulica apresentou valor médio de 9,27 x 10-6 cm² s-1. Para a cultura em estudo não houve diferenças entre os tratamentos estudados, sendo que a massa fresca da raiz apresentou valores de 7,4 g planta-1 para o manejo via clima e 4,7 g planta-1 para o manejo via cápsula porosa, não sendo estatisticamente diferentes pelo teste de Tukey (p<0,05). O uso de sistema de irrigação por cápsulas porosas apresenta-se como uma alternativa viável para o cultivo de hortaliças em pequenas áreas.   Palavras-chave:  Pressão de borbulhamento, condutância hidráulica, emissor.     FELÍCIO; P. I. A.; RIBEIRO, R. S. F.; SILVA. A. O.; ARAÚJO, J. C.; COSTA, R. N. T. PHYSICAL CHARACTERISTICS OF POROUS CAPSULES FOR USE IN  IRRIGATION SYSTEM LOCATED     2 ABSTRACT   There are different uses for porous capsules in agriculture, however they must be characterized by assessment parameters like  bubbling pressure and hydraulic conductance. The objective of this work was to measure physical characteristics of porous capsules for localized irrigation use. For the proposed irrigation system, porous capsules were used in the execution of experimental trial, consisting of a completely randomized design with three treatments, different irrigation managements (climate management, soil management and porous capsule management) with 10 replications, totaling 30 experimental units, the culture chosen was radish, and parameters of production and growth were assessed. The average bubbling pressure found was 2.34 atm, while conductance presented values of 9.27 x 10-6 cm² s-1. For the crop study, differences between the treatments studied by the Tukey test (p <0.05) were not found; fresh root mass presented values of 7.4 g plant-1 for the climate management and 4.7 g plant-1 for management of porous capsule. The use of porous capsule irrigation systems is a viable alternative for growing vegetables in small areas.   Keywords:  Bubbling pressure, hydraulic conductance, emitter.


Author(s):  
José M. K. Santini ◽  
Salatiér Buzetti ◽  
Marcelo C. M. Teixeira Filho ◽  
Fernando S. Galindo ◽  
Daniel N. Coaguila ◽  
...  

ABSTRACT In search of a more sustainable agriculture, the use of beneficial microorganisms has been highlighted, because they are low-cost and can reduce the use of fertilizers and increase grain yield. The present study aimed to evaluate the efficiency of A. brasilense inoculation and the best form and dose of inoculation in maize, measuring the impact on some physical characteristics and on its nutrition. The experiment was conducted in a greenhouse, in Ilha Solteira, SP, Brazil, in a completely randomized design, with four replicates and eight treatments: 1) control; 2) Seed 1x; 3) Seed 2x; 4) Soil 1x; 5) Soil 2x; 6) Leaf 1x; 7) Leaf 2x; 8) Seed 1x + Leaf 1x, respectively representing in each treatment the site and dose of application (1x, dose recommended by the manufacturer; 2x, twice the dose recommended by the manufacturer). No differences were found in any physical characteristics evaluated between treatments; however, for nutrient contents in the leaf tissue, there was effect on Zn content. It was concluded that, regardless of the presence of A. brasilense inoculation, forms or dose (in hybrid DKB 350), in general, there were no improvements in the characteristics evaluated.


2012 ◽  
Vol 36 (3) ◽  
pp. 348-353 ◽  
Author(s):  
Carlos Eduardo Silva Volpato ◽  
Alexon do Prado Conde ◽  
Jackson Antonio Barbosa ◽  
Nilson Salvador

Biodiesel is a renewable fuel derived from vegetable oils used in diesel engines, in any proportion with petroleum diesel, or pure. It is produced by chemical processes, usually by transesterification, in which the glycerin is removed. The objective of this study was to compare the performance of a four stroke, four cylinder diesel cycle engines using either olive (B100) biodiesel oil or diesel oil. The following parameters were analyzed: effective and reduced power, torque, specific and hourly fuel consumption, thermo-mechanical and volumetric efficiency. Analysis of variance was performed on a completely randomized design with treatments in factorial and the Tukey test applied at the level of 5%. Five rotation speeds were researched in four replications (650, 570, 490, 410, 320 and 240 rpm). The engine fed with biodiesel presented more satisfactory results for torque, reduced power and specific and hourly consumptions than that fed with fossil diesel.


Author(s):  
J. G. Crispim ◽  
M. M. Rêgo ◽  
E. R. Rêgo ◽  
Â. M. S. Pessoa ◽  
P. A. Barroso

<p>Este trabalho teve por objetivo avaliar o desenvolvimento de clones de <em>Pyrostegia venusta </em>em diferentes tipos de substratos. O experimento foi conduzido em delineamento inteiramente casualizado, com 06 tratamentos e 10 repetições, cada repetição foi constituída por um tubete de polietileno com capacidade de 103cm<sup>3</sup>. Os tratamentos testados foram: (T1) 100% de areia lavada; (T2) 50% areia lavada + 50% substrato comercial Plantmax®; (T3) 100% de substrato comercial Plantmax®; (T4) 50% areia lavada + 50% de esterco bovino; (T5) 1/3 areia lavada + 1/3 esterco bovino +1/3 de Plantmax® e (T6) 50% esterco bovino + 50% de Areia lavada. Após 30 dias foram avaliados o número de estacas sobreviventes, comprimento do broto (cm), número de folhas, comprimento da folha (cm), número de raízes e comprimento da raiz principal (cm).  Os dados foram submetidos a análise de variância e as médias comparadas pelo teste de Tukey a 5% de probabilidade. Por meio da análise de variância (p&lt;0,01), detectou-se significância estatística, para as variáveis, sobrevivência das estacas e número de brotos por estaca de <em>P. venusta</em>, quando cultivadas em substrato composto por 50% areia lavada + 50% substrato comercial Plantmax®. Essa mistura apresenta a vantagem de ser mais econômica quando comparado ao substrato comercial Plantmax®, sendo portanto, recomendada na produção de mudas de <em>cipó-de-São João</em><em>.</em></p><p align="center"><strong><em>Utilization of different substrates in the propagation of Pyrostegia venusta by cuttings</em></strong></p><p><strong>Abstract</strong><strong>: </strong>The experiment was carried out in a completely randomized design with 06 treatments and 10 replicates, each replicate consisted of polyethylene plastic tube the size of 103cm<sup>3</sup>. The treatments were: (T1) 100% washed sand; (T2) 50% washed sand + 50% commercial substrate Plantmax®; (T3) 100% substrate commercial Plantmax®; (T4) 50 % washed sand + 50% cattle manure; (T5) 1/3 washed sand + 1/3 manure +1/3 Plantmax® and Plantmax (T6) 50 % cattle manure + 50% washed sand. After 30 days, were evaluated number of cutting survival, bud length in cm, number of leaves, leaf length in cm, number of roots and length of the main root. Data were submitted to analysis of variance and means were compared by Tukey test at 5% probability. By analysis of variance (p&lt; 0.01), there was significant differences for the variables, czutting survival and number of shoots per cutting when cultured on substrate composed of 50% washed sand + 50% commercial substrate Plantmax®. Furthermore, this mixture has the advantage to be cheaper as compared to substrate Plantmax®, so we recommend the seedlings of Saint John’s vine.</p><p><em><br /></em></p>


2017 ◽  
Vol 39 (1) ◽  
Author(s):  
ALESSANDRO DE MAGALHÃES ARANTES ◽  
SÉRGIO LUIZ RODRIGUES DONATO ◽  
TÂNIA SANTOS SILVA ◽  
VAGNER ALVES RODRIGUES FILHO ◽  
EDSON PERITO AMORIM

ABSTRACT This assay was conducted in the experimental area of the Federal Institute of Bahia, Campus Guanambi, BA, and aimed to evaluate agronomic traits of Prata, Cavendish, Gros Michel and Maçã banana cultivars three production cycles. The 72 treatments, 24 cultivars and three production cycles were arranged in a split plot scheme in time, in a completely randomized design with five replications and four plants per plot. Plots were arranged in 24 cultivars, Prata-Anã, Maravilha, FHIA-18, FHIA-18 BRS, BRS Platina, JV42-135, Pacovan, Japira, PV79-34, Pacovan-Ken, Preciosa, Guarantida, Maçã, Caipira, BRS Tropical, BRS Princesa, YB42-03, YB42-07, YB42-47, Grande-Naine, Calypso, Buccaneiro, FHIA-23 and FHIA-17; and subplots consisted of three production cycles. Data obtained were submitted to analysis of variance. The average of the cultivars were grouped by Scott-Knott criterion (p<0.05) and production cycles compared by Tukey test (p<0.05). ‘JV42-235’, ‘Japira’ and ‘Pacovan-Ken’ cultivars had larger size and ‘Grande Naine’ had smaller size. ‘Prata-Anã’ cultivar had higher number of leaves at harvest, with leaf area index similar to the others. ‘BRS Platina’ cultivar is earlier at flowering and harvest. ‘Maravilha’, ‘BRS Platina’, ‘FHIA-23’, ‘BRS Tropical and BRS Princesa’ cultivars presented greater potential for use by farmers.


2017 ◽  
Vol 4 (1) ◽  
pp. 51
Author(s):  
Ujang W. Darmawan ◽  
Agus Ismanto

Identification and Control Test of Jabon Leaf Pest by Invitro        One of problem in jabon (Neolamarckia cadamba [Roxb.] F. Bosser) plantation is defoliator. Identification and control effort are needed to counter this problem. This research was intended to identify pest species attacking plant and do efficacy test of several chemical and biological pesticides against the defoliator. The statistical method of efficacy was Completely Randomized Design (CRD). Two pesticides prophenophos (0,1%) and dimethoate (0,1%) as chemical based organic pesticides and Bacillus thuringiensis(0,5 g/l) as biological pesticide were tested against the defoliator. Data was analyzed using Anova and Tukey test at 95% confidence level. The result showed that pest was identified as Dysarthria quadricaudata. Chemical and biological pesticides were effective to control the pest.Keywords: Neolamarckia cadamba, Dysarthria quadricaudata, prophenophos, dimethoate, pest. ABSTRAK        Salah satu persoalan pada hutan tanaman jabon (Neolamarckia cadamba [Roxb.] F. Bosser) adalah serangan hama perusak daun. Pengendalian diperlukan untuk mengatasi persoalan ini. Penelitian  bertujuan untuk mengidentifikasi spesies hama dan melakukan efikasi beberapa jenis pestisida kimia dan organik terhadap hama ulat daun jabon (N. cadamba). Metode yang digunakan adalah rancangan acak lengkap. Dua jenis pestisida kimia berbahan profenofos (0,1%), dan dimetoat (0,1%) serta pestisida organik berbahan dasar Bacillus thuringiensis (0,5 gr/lt) diuji terhadap hama ulat daun. Data dianalisis menggunakan Anova dan uji Tukey (CI = 95%). Hasil penelitian menunjukkan bahwa spesies hama yang menyerang tanaman jabon adalah Dysarthria quadricaudata. Jenis pestisida tersebut efektif mengendalikan hama ulat daun jabon.Kata kunci: Neolamarckia cadamba, Dysarthria quadricaudata, profenofos. dimetoat, hama


2021 ◽  
Vol 42 (5) ◽  
pp. 2639-2650
Author(s):  
Verônica Pellizzaro Moresco ◽  
◽  
Mônica Satie Omura ◽  
Jean Carlo Baudraz de Paula ◽  
Felipe Favoretto Furlan ◽  
...  

Bromeliads have been gaining ground in the economic scenario due mainly to their use as ornamental plants. Bromeliads of the genus Dyckia exhibit different morphologies, and therefore, have relevance in this market. However, some species are threatened due to the extraction of plants from their natural environments. Many of these species are endemic and native to Brazil and there are few studies on their seed physiology; hence, expansion of research into this topic is essential. An alternative for the preservation of such plants is the production of seedlings using seeds. To this end, the objective of this work was to evaluate the physiological potential of seeds of Dyckia brevifolia, Dyckia beateae, and Dyckia excelsa at different temperatures, and determine the number of days to carry out the tests. A completely randomized design was adopted, with three species of Dyckia, analyzed separately, and four temperatures (20, 25, 30, and 35 °C). The following were evaluated: first germination count, germination, germination speed index, length of seedling, and seedling dry weight. The data were analyzed using the Sisvar software for normality and homogeneity, and when the assumptions were met, they were subjected to analysis of variance using the F test (p < 0.05) and the means were compared using the Tukey test at 5% probability. Seeds of D. excelsa emit the radicle more quickly at 20 and 35 °C; however, temperatures of 25 and 30 °C provide better conditions for seedling growth and development. The greatest vigor of D. brevifolia seeds is observed at temperatures of 30 and 35 °C. Seeds of D. beateae emit the radicle more quickly at 20 °C, and the largest seedlings are observed at 35 °C. The first germination count of D. brevifolia, D. beateae, and D. excelsa should be evaluated on the third day after sowing. The germination evaluations for D. excelsa and D. beateae should be carried out on the ninth day after sowing, and those for D. brevifolia on the sixth day after sowing.


2018 ◽  
Vol 11 (02) ◽  
pp. 156
Author(s):  
Nuri Arum Anugrahati ◽  
Natania Natania ◽  
Andrew Andrew

Wonton wrapper is a type of pasta that has a similar composition with noodle, such as wheat flour, water, egg, salt, and kansui. Indonesian people has also consumed wonton wrapper but it has been limited due to the difficulty of wheat flour supply as it’s main ingredient. To reduce the dependency of imported wheat flour, this experiment was held to determine tapioca, sago, and glutinous rice as a substitute to wheat flour. The aims of this research were to determine the type of flour to substitute wheat flour in fried wonton wrapper making, to determine the protein percentage of wheat flour in fried wonton wrapper making, and to determine the sensory and physical characteristics of wonton wrapper on cold and frozen storage. This research was conducted by RAL (completely randomized design) using two treatment factors are three kinds of flour (tapioca, sago, and glutinous rice) and three substitution level of concentration (15, 30, and 45%). The organoleptic result showed that fried wonton wrapper made from medium protein wheat flour with 30% tapioca flour substitution was the best treatment to produce a good quality since it had a higher crunchiness, acceptance, and substitution level. Sensory and physical characteristics of wonton wrapper has been maintained during 4 weeks of freezing storage. Keywords: fried wonton wrapper, wheat flour, tapioca


2020 ◽  
Vol 42 ◽  
pp. e46552
Author(s):  
Thiago Souza ◽  
Claudia da Costa Lopes ◽  
Rita Brito Vieira ◽  
Gabriela Coelho Santos ◽  
Rodrigo Ferreira Silva ◽  
...  

This study aimed at evaluating the internal and external quality of brown-shelled eggs commercialized in the municipality of Parintins-AM. A total of 540 eggs were evaluated and distributed in a completely randomized design, which consisted of three treatments and six replications of 30 eggs each. The treatments were: eggs sold in supermarkets; in grocery stores; and eggs sold directly at the farm. The age of the eggs from supermarkets and grocery stores was unknown, however, the eggs bought at the farm were marketed as being from the day of laying. The collected data were submitted to analysis of variance and Tukey test at 5% probability. There were no differences (p > 0.05) of treatments in the percentage of dirty eggs, however, grocery and farm eggs presented higher (p < 0.05) crack percentage. The eggs at the farm presented higher incidence (p < 0.05) of internal stains of blood. The weight of the egg and albumen presented no differences (p > 0.05). However, the albumen percentage of the farm eggs was higher than the other treatments (p < 0.05). The percentages for yolk and eggshell weight from the farm eggs were lower than the supermarket and grocery eggs (p < 0.05). For the variables albumen height, Haugh unit, albumen index, yolk and albumen pH, the best results were observed for the farm eggs, however, regarding these variables, eggs sold in supermarkets and grocery stores did not differ from each other.  The brown shell eggs sold in the city of Parintins/AM have high rates of external defects, and the eggs bought directly from the farm presented better internal quality, when compared to eggs sold in different establishments.


2018 ◽  
Vol 40 (6) ◽  
Author(s):  
Francisco Antonello Marodin ◽  
Paulo Vitor Dutra de Souza ◽  
Samar Velho da Silveira ◽  
Leonardo Zucuni Guasso ◽  
Marília Lazarotto ◽  
...  

Abstract The objective of this study is to evaluate the vegetative and productive behavior of kiwifruit trees cv. ‘Elmwood’ submitted to different intensities of pruning, in “Serra Gaúcha” region. Treatments consisted in maintaining different bud load levels in each cane of 10, 15 and 20 buds cane-1. The experiment, carried out during the 2016/2017 vegetative season had a completely randomized design with nine repetitions per treatment. Bud fertility, vegetative, productive and fruit quality features were evaluated. The percentage of mixed buds was higher next to the cane apex in three different treatments, while in the base of each cane ocurred the highest percentage of non sprouting buds. The decrease in the number of buds per cane induced larger leaves and increased leaf dry matter. Longitudinal and transversal diameter of fruits and fruit mass were inversely proportional to the number of buds per cane. Pruning of ‘Elmwood’ kiwifruit tree with different number of buds did not influence the index of real bud fertility, but affected directly leaf and shoot size. Pruning maintaining canes with 10 buds favors the increase of fruit weight and did not reduce productivity.


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