scholarly journals Doses of bokashi in the growth of two basil cultivars

2021 ◽  
Vol 6 ◽  
pp. 1-9
Author(s):  
Roberto Takane ◽  
Cyro Fragoso Silva ◽  
Jessica Soares Pereira ◽  
Christian Morimasa Takemura ◽  
Talita Angélica ◽  
...  
Keyword(s):  
Plant Height ◽  
Vegetative Growth ◽  
Aerial Part ◽  
Block Design ◽  
Dry Mass ◽  
Ocimum Basilicum ◽  
Stem Diameter ◽  
Control Treatment ◽  
Organic Fertilization ◽  
Randomized Block Design

The present work aimed to evaluate the influence of use, as well as to determine adequate doses in organic fertilization of the bokashi type in the cultivation of two basil (Ocimum basilicum L.) cultivars. Seeds from the collection of the Floriculture Laboratory of the Phytotechnics Department of the Federal University of Ceará were used. The treatments used were arranged in a randomized block design (RBD), arranged in a 2x5 factorial scheme, consisting of two cultivars of basil (Genovese and Anão) and five doses of Bokashi, namely: 0, 3, 6, 9 and 18 g.L-1. Plants that received no dose (0 g.L-1) served as a control treatment. Each treatment contained 5 repetitions, with the plot consisting of 7 pots, one plant per pot, the useful unit a pot with a basil seedling. From the transplant, applications of bokashi were started in doses of 0, 3, 6, 9, and 18 g.L-1 in both cultivars. Both applications were performed every 20 days after the first application of Bokashi. Fivety five days after transplantation in the final pot, the following variables were analyzed: plant height, stem diameter, fresh and dry mass of the aerial part and the root. The 9 g.L-1 dose of Bokashi showed the best results for the variables analyzed for both cultivars, in addition to being efficient when compared to the control, in which the vegetative growth was incipient.

Efficient Microorganisms Applied to the Soil and in Cover on the Quinoa Crop

2019 ◽  
pp. 1-6
Author(s):  
Amanda Cecato Favorito ◽  
Edleusa Pereira Seidel ◽  
Daniela da Rocha Hermann ◽  
Patrícia Aparecida Favorito ◽  
Renan Pan
Keyword(s):  
Plant Height ◽  
Root Length ◽  
Block Design ◽  
Dry Mass ◽  
Additional Treatment ◽  
Stem Diameter ◽  
Control Treatment ◽  
Root Volume ◽  
Soil Application ◽  
Randomized Block Design

The present study had as objective to know the effects of the natural fertilizer, from a biological compound of Efficient Microorganisms (EM-4), applied to the soil and in cover of quinoa, over its phytotechnics properties and its production. The experiment was conducted in a greenhouse, in a totally randomized block design, in a factorial scheme 4x2+1 with three replicates. The first factor constituted of four doses of EM (3, 6, 9 and 12%) applied to the soil before sowing, the second factor was the application or not of the compound via foliar. The additional treatment was considered a control treatment without any application of EM. It was evaluated plant height, inflorescence height, stem diameter, inflorescence diameter, root length, root volume, root dry mass and production. The results indicate that the use of Efficient Microorganisms (EMs) increases the production in 40% independent of the dose applied, when compared to the control. The foliar or soil application of EM-4 did not influence in the production components and in the production of quinoa.

scholarly journals Initial growth of zucchini irrigated with saline water in soil with biofertilizers

2021 ◽  
Vol 15 ◽  
Author(s):  
Juvenaldo Florentino Canjá ◽  
Josimar De Azevedo ◽  
Geocleber Gomes de Sousa ◽  
Clarissa Lima Magalhães ◽  
Thales Vinícius De Araújo Viana
Keyword(s):  
Salt Stress ◽  
Plant Height ◽  
Irrigation Water ◽  
Aerial Part ◽  
Plant Biomass ◽  
Block Design ◽  
Dry Mass ◽  
Stem Diameter ◽  
Initial Growth ◽  
Number Of Leaves

Zucchini culture is slightly sensitive to salinity and is among the ten vegetables of highest economic value, with characteristics of precocity and easy cultivation. These characteristics are some of the reasons for the expansion of its cultivation among small producers. Thus, the objective was to evaluate the effect of different levels of salinity in the irrigation water and biofertilizer types on the initial growth of the zucchini (Cucurbita pepo L.) culture. The experiment was carried out in the full sunlight in a randomized block design, in a 5x2 factorial arrangement. The treatments consisted of a combination of five types of biofertilizers (quail, sheep, mixed, bovine, and crab) and two salinity levels of the irrigation water (0.8 and 2.5 dS m-1), with five replicates. At 30 days after transplanting, the following variables were evaluated: electrical conductivity of the substrate, plant height, number of leaves, roots length, stem diameter, leaf area, chlorophyll content, dry mass of the aerial part, root dry mass, and total dry mass. Salt stress negatively interferes with the accumulation of zucchini plant biomass. Quail, bovine, and sheep biofertilizers are more efficient about plant height, number of leaves, and stem diameter. The sheep biofertilizer attenuates the salt stress for the dry mass of the aerial part, the root, and the total dry mass.

scholarly journals Emergence Rate and Initial Growth of Longan (Dimocarpus longan Lour) in Relation to Seeds Sizes

2019 ◽  
Vol 11 (5) ◽  
pp. 454
Author(s):  
Fábio Oseias dos Reis Silva ◽  
José Darlan Ramos ◽  
Ranieri Reis Laredo ◽  
Verônica Andrade dos Santos ◽  
Nathalia Vallery Tostes ◽  
...  
Keyword(s):  
Plant Height ◽  
Block Design ◽  
Seedling Emergence ◽  
Dry Mass ◽  
Stem Diameter ◽  
Initial Growth ◽  
Large Size ◽  
Randomized Block Design ◽  
Number Of Leaves ◽  
Shoot Mass

The fruit plant ‘Longan’ is considered as being native to Asia and is at present commercially explored in some regions. The objective of this work was to study the influence of seed size on seed emergence and initial seedling growth. The experiment was carried out using a randomized block design (DBC), with three treatments, namely, the seed sizes at seedling emergence according to their longitudinal diameter: small, medium and large. Each plot was composed of six seeds and five replications per treatment. The following characteristics were evaluated: emergence speed index, average time, percentage and relative frequency of emergence, leaf number, stem diameter, plant height, shoot dry mass and root dry mass. Seeds of medium and large size are those that presented satisfactory results for the characteristics related to seed emergence. The same ones stood out in relation to the small seeds for the variables percentage, average time, average speed and emergence speed index. Small seeds are not recommended for the production of ‘Longan’ seedlings, given the long period of time to emerge and the low probability of the seedlings establishing satisfactorily in the field. The medium and large seeds were the most promising for the variables number of leaves, stem diameter, plant height, dry shoot mass and dry root mass.Therefore, according to the conditions in which the present work was conducted, the use of medium and large seeds for the production of ‘Longan’ seedlings is suggested.

scholarly journals Irrigation levels and use of hydro retainer polymer in greenhouse lettuce production

2019 ◽  
Vol 23 (6) ◽  
pp. 406-412
Author(s):  
Welcio R. da Silva ◽  
Leandro C. Salomão ◽  
Débora R. M. Pereira ◽  
Henrique F. E. de Oliveira ◽  
Alexandre I. de A. Pereira ◽  
...  
Keyword(s):  
Plant Height ◽  
Aerial Part ◽  
Block Design ◽  
Dry Mass ◽  
Randomized Block Design ◽  
Number Of Leaves ◽  
Four Blocks ◽  
Irrigation Levels ◽  
Hydrogel Polymer ◽  
Part Plant

ABSTRACT One of the potential alternatives to improve the use of water resources is the use of hydro retainer polymer applied to the soil. The objective of this study was to evaluate how irrigation levels and doses of hydro retainer polymer interfere in the production of ’Vanda’ lettuce. The experiment was carried out from December 2017 to January 2018 under protected environment in the Instituto Federal Goiano, Urutaí Campus, Goiás State, GO, Brazil (17º 29’ 10” S of latitude, 48º 12’ 38” W of longitude and 697 m of altitude). The work tested four irrigation levels of 50, 75, 100 and 125% of the evaporation obtained daily by the hook micrometer and five doses of hydrogel polymer (0, 50, 100, 150 and 200 g plant-1). The experimental design was a randomized block design in a scheme of split-plot and four blocks. Canopy fresh and dry mass, plant height, number of leaves and productivity were evaluated. There was 29.24% increase in the dry mass comparing the hydro retainer polymer doses of 0 and 169.28 g and an increase of 14.36% of the height of plants when compared with the irrigation levels of 50 and 125%. The use of a hydro retainer polymer provided a significant increase in all the evaluated productive variables. The irrigation levels influence the fresh mass from aerial part, plant height and productivity. The productivity increased 18.42% for the irrigation levels used and the highest estimated values were presented in the dose of 157.49 g (14.46 t ha-1) hydro retainer polymer.

scholarly journals Effect of gibberellic acid and the biostimulant stimulate® on the initial growth of tamarind

2012 ◽  
Vol 34 (1) ◽  
pp. 8-14 ◽  
Author(s):  
Ana Cristina Vello Loyola Dantas ◽  
João Mariano de Oliveira Queiroz ◽  
Elvis Lima Vieira ◽  
Vanessa de Oliveira Almeida
Keyword(s):  
Aqueous Solution ◽  
Plant Growth ◽  
Gibberellic Acid ◽  
Plant Height ◽  
Root Length ◽  
Block Design ◽  
Dry Mass ◽  
Stem Diameter ◽  
Initial Growth ◽  
Randomized Block Design

Plant growth regulators and biostimulants have been used as an agronomic technique to optimize the production of seedlings in various crops. This study aimed to evaluate the influence of gibberellic acid and the biostimulant Stimulate® on the initial growth of tamarind (Tamarindus indica L.). The experiments were conducted in a nursery with 50% shading, in a randomized block design with five replications and five plants per plot. Thirty eight days after sowing, the leaves were sprayed seven times a day with 0.0 (control), 0.8, 1.6, 2.4 and 3.2 mL of gibberellic acid L-1 aqueous solution and with 0.0 (control), 6.0,12.0, 18.0, and 24.0 mL Stimulate® L-1 aqueous solution. Stem diameter (SD), plant height (PH), longest root length (LRL), shoot dry mass (SDM), root dry mass (RDM) and RDM:SDM ratio were evaluated ninety days after sowing. Variance and regression analysis showed that GA3 at 4% promoted plant growth (height), but had no significant effect on stem diameter, longest root length, shoot and root dry mass and the RDM:SDM ratio. On the other hand, all concentrations of Stimulate® significantly increased plant height and shoot and root dry mass of tamarind seedlings.

scholarly journals Yield and vegetative growth of cactus pear at different spacings and under chemical fertilizations

2016 ◽  
Vol 20 (6) ◽  
pp. 564-569 ◽  
Author(s):  
João A. da Silva ◽  
Sérgio L. R. Donato ◽  
Paulo E. R. Donato ◽  
Evilasio dos S. Souza ◽  
Milton C. Padilha Júnior ◽  
...  
Keyword(s):  
Plant Growth ◽  
Plant Height ◽  
Vegetative Growth ◽  
Dry Matter ◽  
Block Design ◽  
Plant Age ◽  
Cactus Pear ◽  
Area Index ◽  
Randomized Block Design

ABSTRACT The objective was to evaluate the effect of different spacings and mineral fertilizations on cactus pear growth and production in a randomized block design, with three replicates, in a 3 x 4 factorial scheme: three spacings, 1.00 x 0.50 m, 2.00 x 0.25 m and 3.00 x 1.00 x 0.25 m, and four fertilizations, 000-000-000, 000-150-000, 200-150-000 and 200-150-100 kg ha-1 of N, P2O5 and K2O, respectively. Plant growth was evaluated between 90 and 390 days and production and growth were evaluated at 620 days after planting. There were significant interactions between spacing and fertilization for plant height, number of cladodes and cladode area index from 90 to 390 days and for production of fresh and dry matter at 620 days after planting. Spacing influenced cladode area index, while fertilization influenced plant height, number of cladodes and cladode area index at 620 days after planting. Plant height showed cubic effect for the days after planting. Number of cladodes and cladode area index were dependent on spacing, fertilization and plant age, and fitted to cubic models. The best results of growth and production of fresh and dry matter are associated with NPK and NP fertilizations and the spacing of 1.00 x 0.50 m.

scholarly journals ALTURA DE PLANTAS E DIÂMETRO DE COLMOS DE SORGO FORRAGEIRO IRRIGADO EM FUNÇÃO DE CORTES

Irriga ◽  
2020 ◽  
Vol 25 (2) ◽  
pp. 223-233
Author(s):  
Jardel Henrique Kirchner ◽  
Adroaldo Dias Robaina ◽  
Marcia Xavier Peiter ◽  
Rogério Ricalde Torres ◽  
Wellington Mezzomo ◽  
...  
Keyword(s):  
Plant Height ◽  
Block Design ◽  
Rio Grande ◽  
Stem Diameter ◽  
Rio Grande Do Sul ◽  
Pasture Production ◽  
Randomized Block Design ◽  
Water Conditions ◽  
Cattle Herds ◽  
Santa Maria

ALTURA DE PLANTAS E DIÂMETRO DE COLMOS DE SORGO FORRAGEIRO IRRIGADO EM FUNÇÃO DE CORTES     JARDEL HENRIQUE KIRCHNER1; ADROALDO DIAS ROBAINA2; MARCIA XAVIER PEITER3; ROGÉRIO RICALDE TORRES4; WELLINGTON MEZZOMO5 E RICARDO BENETTI ROSSO6   1 Eng. Agrônomo, Doutor, Professor do Instituto Federal de Educação, Ciência e Tecnologia do Rio Grande do Sul, Rua Nelsi Ribas Fritsch, nº 1111, bairro Esperança, Ibirubá, RS, Brasil, CEP: 98200-000, [email protected]. 2  Eng. Agrônomo, Doutor, Professor Titular do Departamento de Engenharia Rural, UFSM, Avenida Roraima, nº 1000, bairro Camobi, Santa Maria, RS, Brasil, CEP: 97195-000, [email protected]. 3 Eng. Agrônoma, Doutora, Professora Associada do Departamento de Engenharia Rural, UFSM, Avenida Roraima, nº 1000, bairro Camobi, Santa Maria, RS, Brasil, CEP: 97195-000, [email protected]. 4 Eng. Agrônomo, Doutor, Professor do Instituto Federal de Educação, Ciência e Tecnologia do Rio Grande do Sul, Rua Eng. João Viterbo de Oliveira, nº 3061, Zona Rural, Vacaria, RS, Brasil, CEP: 95219-899, [email protected]. 5 Eng. Agrônomo, Mestre, Doutorando no Programa de Pós-Graduação em Engenharia Agrícola, UFSM, Avenida Roraima, nº 1000, bairro Camobi, Santa Maria, RS, Brasil, CEP: 97195-000, [email protected]. 6 Eng. Agrônomo, Doutor, Professor no Instituto Federal Catarinense, Rodovia SC 283 - km 17, Concórdia, SC, Brasil, CEP: 89703-720, ricardo.rosso @ifc.edu.br.      1 RESUMO   A obtenção de elevadas produtividades de pastagens é essencial para a manutenção dos níveis alimentares de rebanhos bovinos. A altura de plantas e o diâmetro de colmos caracterizam-se como determinantes no sucesso produtivo da pastagem pela quantidade de massa produzida. Um dos fatores que alteram esses índices são as precipitações irregulares, tornando necessária a reposição da demanda através da irrigação. O objetivo do trabalho foi avaliar o diâmetro de colmos e a altura de plantas sob diferentes condições hídricas e cortes no sorgo forrageiro, em dois anos agrícolas no estado do Rio Grande do Sul. Foram conduzidos dois experimentos nos anos agrícolas de 2015/2016 e 2016/2017 em Santa Maria (RS), e foram avaliadas as alturas de plantas e os diâmetros de colmos em seis condições hídricas (não irrigado, 25, 50, 75, 100 e 125 % da ETo), em três períodos de cortes (50, 80 e 110 dias após a semeadura) em delineamento blocos ao acaso. Foram encontradas diferenças estatisticamente significativas para a variação da altura de plantas e também do diâmetro de colmos, tanto conforme a lâmina de irrigação, quanto na sequência de cortes.   Palavras chave: pastagem irrigada, capacidade de rebrote, irrigação.     KIRCHNER, J. H.; ROBAINA, A. D.; PEITER, M. X.; TORRES, R. R.; MEZZOMO, W.; ROSSO, R. B. HEIGHT OF PLANTS AND DIAMETER OF STEMS OF SORGHUM FORAGE IRRIGATED BY CUTS         2 ABSTRACT   Achieving high pasture yields is essential for maintaining feed levels in cattle herds. Plant height and stem diameter are determinants of pasture production success by the amount of mass produced. One of the factors that change these rates is irregular rainfall, making it necessary to replenish demand through irrigation. The objective of this work was to evaluate stem diameter and plant height under different water conditions and forage sorghum cuts in two agricultural years in the state of Rio Grande do Sul. Two experiments were conducted in the agricultural years of 2015/2016 and 2016/2017 in Santa Maria / RS, and plant heights and stem diameters were evaluated in six water conditions (non-irrigated, 25, 50, 75, 100 and 125% of ETo), in three cutting periods (50, 80 and 110 days after sowing) in a randomized block design. Statistically significant differences were found for plant height and stem diameter variation, both according to irrigation depth and cut sequence.   Keywords: irrigated pasture, regrowth capacity, irrigation.

scholarly journals Pengaruh Jenis Mikoriza Terhadap Pertumbuhan Beberapa Varietas Cabai (Capsicum annum L.) pada Tanah Incepticol Krueng Raya Aceh Besar

2020 ◽  
Vol 4 (1) ◽  
pp. 108-117
Author(s):  
Rahmat Fitra Yandi Nasution ◽  
Syamsuddin Syamsuddin ◽  
Syafruddin Syafruddin
Keyword(s):  
Plant Height ◽  
Glomus Mosseae ◽  
Block Design ◽  
Stem Diameter ◽  
Growth And Yield ◽  
Branch Number ◽  
Capsicum Annum ◽  
Randomized Block Design ◽  
Experimental Garden ◽  
Banda Aceh

Abstrak. Penelitian ini bertujuan untuk mengetahui pengaruh jenis mikoriza, varietas dan interaksi jenis mikoriza dan varietas terhadap pertumbuhan dan hasil tanaman cabai pada tanah Incepticol. Penelitian ini dilaksanakan di Kebun Percobaan Iesuum Krueng Raya Aceh Besar, Rumah Kaca dan Laboratorium Fisiologi Tumbuhan Fakultas Pertanian Universitas Syiah Kuala Darussalam Banda Aceh dari bulan Mei sampai September 2018. Analisis data yang digunakan dalam penelitian ini adalah Rancangan Acak Kelompok (RAK) pola faktorial 3 x 2 dengan 3 ulangan. Faktor yang diamati dalam penelitian ini adalah jenis mikoriza dan varietas. Jenis mikoriza yang digunakan adalah Glomus mosseae, Gigaspora sp dan Campuran serta varietas yang digunakan adalah varietas Lado F1 dan Perintis. Hasil penelitian ini menunjukan jenis mikoriza berpengaruh nyata pada tinggi tanaman 30 dan 45 HSTdan jumlah cabang produktif. Jenis mikoriza terbaik terdapat pada jenis mikoriza campuran (Glomus mosseae dan Gigaspora sp). Pada varietas berpengaruh sangat nyata terhadap tinggi tanaman 15,30 dan 45 HST, diameter batang 30 dan 40 HST dan jumlah cabang produktif serta berpengaruh nyata pada diameter batang 45 HST. Jenis varietas terbaik terdapat pada varietas Lado. Interaksi antara jenis mikoriza dan jenis varietas berpengaruh sangat nyata terhadap tinggi tanaman 30 HST dan jumlah cabang produktif serta berpengaruh nyata pada diameter batang 30 HST.Interaksi antara jenis mikoriza dan varietas terbaik tedapat pada jenis mikoriza campuran (Glomus mosseae dan Gigaspora sp) dengan varietas Lado F1.The Effect of Mycorrhizal Types on the Growth of Some Chili Varieties in Incepticol Soil Krueng Raya Aceh BesarAbstract. This research aims to determine the effect of type of mycorrhiza, varieties, and interactions of mycorrhiza and varieties types on the growth and yield of chili plants on the Inceptisol land. This research was carried out at the Krueng Raya Iesuum Experimental Garden in Aceh Besar, greenhouse and laboratory of plant physiology, Faculty of Agriculture of Syiah Kuala University, Darussalam, Banda Aceh from Mei to September 2018. The analysis of data used in this study was Randomized Block Design -Factorial 3x2 with 3 replications. The factors observed in this research were the type of mycorrhiza and varieties. Types of mycorrhiza used are Glomus mosseae, Gigaspora, and the combination. Varieties used are Lado F1 and Perintis. The result of this research showed that types of mycorrhiza take effect significantly on plant height 30 dan 45 DAP and productive branch numbers. The mixed of mycorrhiza gives the best result on growth and yield of chili plant. The varieties of chili plants highly significant take effect on plant height 15, 30 and 45 DAP, stem diameter 30 and 40 HST and productive branch numbers and significantly affect on stem diameter 45 DAP. Lado F1 gives the best result on growth and yield. The interactions of mycorrhiza and varieties type highly significant take effect on plant height 30 HST and productive branch number and significantly take effect on stem diameter 30 HST. The combination of mixed mycorrhiza and Lado F1 treatment gives the best result on growth and yield of chili plants. 

EFICIÊNCIA DE BIOESTIMULANTES E FUNGICIDA NOS CARACTERES AGRONÔMICOS E ECONÔMICOS NA CULTURA DO MILHO VERDE

2018 ◽  
Vol 17 (2) ◽  
pp. 274
Author(s):  
RICARDO FRANCISCHINI ◽  
ALESSANDRO GUERRA DA SILVA ◽  
DAURI JOSÉ TESSMANN
Keyword(s):  
Zea Mays ◽  
Chlorophyll Content ◽  
Plant Height ◽  
Zea Mays L ◽  
Block Design ◽  
Stem Diameter ◽  
Production Costs ◽  
Net Income ◽  
Randomized Block Design ◽  
Presence And Absence

 RESUMO - O objetivo do trabalho foi avaliar o desempenho agronômico e econômico na cultura do milho verde submetida ao uso de bioestimulantes na presença e ausência de fungicida. Dessa forma, dois experimentos foram conduzidos em anos distintos, em delineamento experimental de blocos ao acaso com três repetições, em arranjo fatorial 4x2. O primeiro fator correspondeu à combinação de bioestimulantes (Ausência, MC Cream, MC Extra, MC Cream+MC Extra) e o segundo fator à presença e ausência de fungicida (piraclostrobina + epoxiconazole). Foi avaliado o peso de espigas verdes, a altura de plantas, diâmetro de colmo, teor de clorofila e severidade de doenças, além da viabilidade econômica dos tratamentos. Os Bioestimulantes, na ausência de fungicida, foram eficientes para aumentar o peso das espigas verdes, altura de plantas, e o teor de clorofila. Na presença do fungicida os bioestimulantes aumentaram o diâmetro de colmo e reduziram a severidade de doenças. Os investimentos em insumos elevaram os custos de produção, porém a rentabilidade foi compensada pelo aumento da renda bruta. Em situação de baixa disponibilidade hídrica, o bioestimulante MC Extra foi o mais viável economicamente para a cultura do milho verde.Palavras-chave: fitossanidade, produtividade, renda líquida, Zea mays L. EFFICIENCY OF BIOSTIMULANTS AND FUNGICIDE IN THE AGRONOMIC AND ECONOMIC CHARACTERS OF GREEN CORN  ABSTRACT – The objective of this work was to evaluate the agronomic and economic performance of the green corn crop, subjected to the use of biostimulants in the presence and absence of fungicide. Two experiments were conducted in different years using a randomized block design with three replications, in a 4x2 factorial arrangement. The first factor corresponded to the combination of biostimulants (Absence, MC Cream, MC Extra, MC Cream + MC Extra) and the second factor was the presence and absence of fungicide (pyraclostrobin + epoxiconazole). Green ear weight, plant height, stem diameter, chlorophyll content and severity of diseases were evaluated, as well as the economic viability of the treatments.In the absence of fungicide, biostimulants were efficient to increase the green ear weight, plant height, and chlorophyll content. In the presence of the fungicide, biostimulants increased stem diameter and reduced disease severity. Investments in inputs increased production costs, but profitability was offset by the increase in gross income. In a situation of low water availability, the biostimulant MC Extra was the most economically viable for the green maize crop.Keywords: plant health, productivity, net income, Zea mays L.

scholarly journals APPLICATION OF DIFFERENT SOURCES AND DOSES OF BORON IN THE CORN CROP

2020 ◽  
Vol 7 (4) ◽  
pp. 23-28
Author(s):  
Angela Oliveira Silva ◽  
Wilian Henrique Diniz Buso
Keyword(s):  
Grain Yield ◽  
Plant Height ◽  
Block Design ◽  
Grain Weight ◽  
Stem Diameter ◽  
Nutrient Sources ◽  
Randomized Block Design ◽  
The One ◽  
Different Sources ◽  
1000 Grain Weight

One of the main problems faced in corn cultivation, especially in Cerrado regions, is the deficiency of micronutrients. Among the micronutrients essential for the development of plants, boron (B) stands out for participating in a series of physiological processes. Based on this, the present work aimed to evaluate the performance of corn under fertilization with different sources and doses of boron. The randomized block design in a 4x3 factorial scheme was used. Four boron doses (0, 1, 2, and 3 kg ha-1) and three nutrient sources (boric acid, borax, and ulexite), applied in topdressing, were evaluated. Plant height (cm), stem diameter (mm), first ear insertion height (m), ear length (cm), ear diameter (mm), number of rows per ear, number of grains per row, 1000-grain weight (g), and grain yield (kg ha-1) were evaluated. It was concluded that the boron sources and doses used did not influence the results of plant height, first ear insertion height, number of rows per ear, and grain yield. The three doses evaluated provided increases in stem diameter, with a dose of 2.08 kg ha-1 being the one with the highest average. The application of borax and ulexite results in higher values of ear diameter, number of grains per row, and 1000-grain weight. The dose of 1.74 kg ha-1 of boron provides the highest 1000-grain weight.

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