scholarly journals Rizobacteria Isolated in the Amazon and Its Influence on the Growth of Guarana Seedlings

2019 ◽  
Vol 11 (4) ◽  
pp. 428
Author(s):  
Lais Alves da Gama ◽  
Karla Gabrielle Dutra Pinto ◽  
Bruna Nogueira Leite ◽  
Gerlandio Suassuna Gonçalves ◽  
José Odair Pereira ◽  
...  
Keyword(s):  
Aerial Part ◽  
Dry Matter ◽  
Proline Content ◽  
Control Treatment ◽  
Seedling Production ◽  
Caffeine Concentration ◽  
Paullinia Cupana ◽  
Number Of Leaves ◽  
Burkholderia Ambifaria ◽  
Carbohydrate Contents

Guarana (Paullinia cupana var. Sorbilis (Mart.) Ducke) is a species native from Amazon which has high caffeine concentration. The interactions between guarana and microorganisms in Amazonian soils need to be investigated, especially in relation to the seedling production process, due to its beneficial relationships such as biosynthesis and the supply of stimulating substances, which may result in shortening of the nursery garden or increased productivity. Thus, this research had the objective of evaluating the potential of growth caused by rhizobacteria (Burkholderia ambifaria and Bacillus sp.) in rooting of guarana seedlings. The root length, volume, dry matter of the aerial part, height, number of leaves, leaf area and dry matter of shoot were evaluated at 180 days after planting emergence. Were also determined the carbohydrate and proline content of the aerial part. The rhizobacteria did not influence the growth of the seedlings, however, the carbohydrate contents were higher when the inoculation of the rhizobacteria was carried out with the Burkholderia ambifaria bacteria in the cultivar BRS-Amazonas, with the best results. The proline levels were higher in the control treatment of the two cultivars.

scholarly journals Effect of Sulphur and GA3 on the Growth and Yield of Onion

2013 ◽  
Vol 21 (1-2) ◽  
pp. 57-63 ◽  
Author(s):  
MHA Rashid
Keyword(s):  
Dry Matter ◽  
Matter Content ◽  
Growth And Yield ◽  
Control Treatment ◽  
Dry Matter Content ◽  
Number Of Leaves ◽  
Four Levels ◽  
Experimental Findings ◽  
Almost All ◽  
Bulb Yield

An experiment was conducted at the Horticulture Farm of the Bangladesh Agricultural University, Mymensingh to evaluate the effects of sulphur and GA3 on the growth and yield performance of onion cv. BARI Peaj-1. The experiment included four levels of sulphur viz., 0 (control), 15, 30 and 45 kg/ha and four concentrations of GA3 viz., 0 (control), 50, 75, 100 ppm. The experimental findings revealed that sulphur and GA3 had significant influence on plant height, number of leaves per plant, bulb diameter and length, individual bulb weight, splitted and rotten bulb, bulb dry matter content and bulb yield. The highest bulb yield (13.85 t/ha) was recorded from 30 kg S/ha, while the lowest bulb yield (11.20 t/ha) was obtained from control. Most of the parameters showed increasing trend with the higher concentration of GA3. Application of GA3 @ 100 ppm gave the maximum bulb yield (15.23 t/ha), while the minimum value (10.10 t/ha) was observed from control. Almost all the parameters were significantly influenced by combined treatments of sulphur and GA3 except bulb length of onion. The maximum bulb dry matter content (13.50%) and bulb yield (17.10 t/ha) were produced from the application of sulphur @ 30 kg/ha with 100ppm GA3, while the minimum bulb dry matter content (9.23%) and bulb yield (9.33 t/ha) were recorded from control treatment of sulphur with GA3.DOI: http://dx.doi.org/10.3329/pa.v21i1-2.16749 Progress. Agric. 21(1 & 2): 57 - 63, 2010

scholarly journals Evaluation of the Efficiency of Foliar Nutrient with the Chemical Fertilizer of Super Swing and Whey in some Growth Parameters and Concentration of Certain Nutrients of Transplants of Sour Orange Citrus aurantium L.

2019 ◽  
Vol 32 ◽  
pp. 282-290
Author(s):  
Nada A. El-Qatrani
Keyword(s):  
Dry Matter ◽  
Growth Parameters ◽  
Control Treatment ◽  
Sour Orange ◽  
Stem Number ◽  
High Concentration ◽  
College Of Agriculture ◽  
Foliar Nutrient ◽  
Number Of Leaves ◽  
Metabolic Performance

This study was carried out in the nursery of Department of Horticulture and Landscape Design, College of Agriculture, University of Basrah during 2018 growing season. Completely randomized blocks design (C.R.B.D.)  was used to investigate the effect of different concentrations of super swing (0, 0.5 and 1) g.l-1 and whey (0, 50 and 75) % and their interactions to enhance the growth parameters and chemical characteristics of Sour orange transplants. The results showed a significant increase in most of the measured growth parameters of transplants treated with high concentration of foliar spraying to both fertilizers. Application of super swing at 1 g.l-1 with whey at 75% together significantly increased the height of plant, the number of leaves, leaf area, the diameter of stem, number of flowers, the leaves content of both nitrogen and potassium, percentage of dry matter, and content of chlorophyll. Whereas, control treatment was significantly increased the water content compared to other treatments. Addition of growth-enhancing compounds such as super swing and whey extract to the plant can improve the metabolic performance and enhances the plant's ability to absorb nutrients from the soil.

scholarly journals Performance of mulberry cultivars (Morusspp.)in response to different stem cuttings and fertilizers

2021 ◽  
Vol 17 (4) ◽  
pp. 47-58
Author(s):  
Anelisa de Aquino Vidal Lacerda Soares ◽  
Fernanda de Paiva Badiz Furlaneto ◽  
Cláudio Hajime Funai ◽  
Eduardo Gazola
Keyword(s):  
Aqueous Solution ◽  
Factorial Design ◽  
Production Cost ◽  
Dry Matter ◽  
Shoot Length ◽  
Control Treatment ◽  
Stem Cuttings ◽  
Tukey Test ◽  
K Fertilizer ◽  
Number Of Leaves

The objective is to analyze techniques to form mulberry seedlings with different cutting sizes and forms of fertilization with N-P-K aiming a low production cost and an easy application in field. The experiment was carried out in a screened nursery, with a shading of 34%. The treatments were distributed in randomized blocks (RB) and compared in a 2x4x3 factorial design with five replications and 12 plants per plot. The factorial design consisted of two cutting lengths (10 and 20 cm) distributed in plastic tubes of 70 and 120 mL, four mulberry cultivars (IZ40, IZ10/1, Korin, and IZ3/2), and two types of fertilization: addition of 84 g of Osmocote® for each kilo of substrate, fertigation with aqueous solution containing 84 g of 14-14-14 N-P-K for each kilo of substrate, plus a control treatment (without fertilization). The commercial substrate Basaplant citrus® was used. 90 and 140 days after planting, assessments of percentage of rooting were carried out. At 140 days, shoot length (cm), number of shoots, number of leaves, root length (cm), and shoot and root green and dry matter were evaluated. The data obtained were evaluated using the Sanest software and Tukey test (P<0.05). Cuttings of 20 cm in length in tubes of 120 mL are recommended for the best formation of mulberry seedlings with the application of N-P-K fertilizer through fertigation. The cultivars showed different rooting potentials and shoot development. The best results are for Korin and IZ 10/1.

scholarly journals Productivity and growth in cowpea inoculated with rhizobia under different light environments

2021 ◽  
Vol 37 ◽  
pp. e37057
Author(s):  
Andreza De Jesus Correia ◽  
Rafaela Simão Abrahão Nóbrega ◽  
Amanda Santos Oliveira ◽  
Welly Sacramento Santana ◽  
Caliane Da Silva Braulio ◽  
...  
Keyword(s):  
Relative Efficiency ◽  
Dry Matter ◽  
Nitrogen Sources ◽  
Control Treatment ◽  
Individual Effect ◽  
Light Conditions ◽  
Diazotrophic Bacteria ◽  
Aerial Portion ◽  
Number Of Leaves ◽  
And Control

The objective of this work was to verify the influence of light environments combined with rhizobia inoculation on cowpea growth and productivity. A completely random design was used in a 4x4 factorial scheme, with four light environments, four nitrogen sources and eight replicates in split plot parcels. Light environments were set by means of photo-conversion and thermo-conversion nettings (Aluminet®, red net and black net) and control treatment without shading (full sun). Nitrogen sources were constituted by the strains INPA 03-11B - SEMIA 6462 (Bradyrhizobium elkanni) and UFLA 03-84 - SEMIA 6461 (Bradyrhizobium viridifuturi), and two control treatments: with 70 kg ha-1 of mineral nitrogen and without N. Plant height, indices of chlorophyll a, b and total chlorophill, the number of leaves, number of nodules, dry matter of nodules, dry matter of the aerial portion, dry matter of roots and total dry matter, relative efficiency, gathering of nitrogen in the aerial portion, number, length and matter of pods per plant and dry matter of 100 grains, were evaluated. . There was interaction between light conditions and nitrogen sources for the number of nodules. Individual effect was observed in all other variables. Strain INPA 03-11B was able to promote higher nodulation in cowpea plants in light environments under full sun and Aluminet and the strain UFLA 03-84 only under full sun conditions. However, the efficiency of diazotrophic bacteria to promote vegetative growth, nitrogen gathering and production was not influenced by different light environments. Thus, full sun cultivation is recommended, independently of the nitrogen source used.

scholarly journals Effect of Trichoderma spp. fungus for production of seedlings in Enterolobium Schomburgkii (Benth.) Benth

2019 ◽  
pp. 1706-1711 ◽  
Author(s):  
Misael Freitas dos Santos ◽  
Daniele Lima da Costa ◽  
Thiago Almeida Vieira ◽  
Denise Castro Lustosa
Keyword(s):  
Root Length ◽  
Biological Treatment ◽  
Aerial Part ◽  
Dry Matter ◽  
Improve Performance ◽  
Trichoderma Spp ◽  
Recommended Treatment ◽  
Number Of Leaves ◽  
Collar Diameter ◽  
Trichoderma Isolates

Enterolobium schomburgkii (monkey ear) is important Amazonic forest specie, being used for wood and medicinal purposes and environmental recuperation issues. Biological treatment such as Trichoderma fungus is alternative method that may improve performance of seeds germination and provide healthy seedlings. We aimed to assess effect of Trichoderma fungus on development of E. schomburgkii seedlings. Five isolates of Trichoderma spp., in the concentration of 1.0 x 107 conidia.mL-1, were assessed and applied through four methods: seeds; pre-planting substrate; post-planting substrate; and seed + pre-planting + post-planting substrate. The seedlings were produced in polypropylene bags and kept in nursery for 10 months. The experimental design was completely randomized, in a 5x4+1 factorial scheme, with 10 repetitions. We monthly assessed the plant height, collar diameter and number of leaves and leaflets. After 10 months, we assessed root length, dry matter of aerial part and dry matter of roots system. The results showed that variables were significantly influenced by Trichoderma isolates and its application modes, either individually or under interaction, except on the root length. Eight treatments boosted the plants height and five of them increased the collar diameter, compared with the control. The height of the seedlings was the variable that mostly influenced by the treatments. Application of Trichoderma in pre-planting substrate influenced the highest number of variables analyzed. Therefore, the isolates application used in this work is feasible for production of Enterolobium schomburgkii seedlings. Based on results of this experiment we do not recommended treatment of Enterolobium schomburgkii seeds with Trichoderma isolates, except using T. asperellum T09

scholarly journals Substrates and Fertilization of Mamacadela

2019 ◽  
Vol 12 (1) ◽  
pp. 138
Author(s):  
Kátia Freitas Silva ◽  
Luciana Borges e Silva ◽  
Elias Emanuel Silva Mota ◽  
Wilian Henrique Diniz Buso ◽  
Mônica Ferreira de Melo ◽  
...  
Keyword(s):  
Root System ◽  
Agricultural Production ◽  
Growth And Development ◽  
Aerial Part ◽  
Dry Matter ◽  
Fruit Species ◽  
Federal Institute ◽  
Number Of Leaves ◽  
System Length ◽  
Different Doses

The Cerrado has fruit species of great potential of use in commercial systems of agricultural production. They are obliged to carry out studies on the production of seedlings, contributing to a perpetuation of these species. The objective of this study was to evaluate the effect of different substrates and different doses of Basacote&reg; on the emergence and early development of B. gaudichaudii plants. The experiment was conducted in a greenhouse in the experimental area of the Goiano Federal Institute-Campus Ceres. Experiment 1 was composed of six treatments (six compositions) and experiment 2 consisted of 5 treatments (five doses of Basacote&reg;). The experimental design was a randomized complete block with four replicates and 12 plants per experimental plot. The variables analyzed were emergence, height, lap diameter, number of leaves, root system length, survival rate and fresh and dry matter of the aerial part and root system. The substrate composed of bovine manure + Plantmax&reg; + soil provides better conditions for growth and development of mamacadella plants. The mamacadela seedlings do not tolerate high levels of organic matter in the substrate. For the production of Brosimum gaudichaudii seedlings the use of the 6.48 g dose of Basacote&reg; plant-1 is indicated.

scholarly journals SOLUÇÕES NUTRITIVAS NO DESENVOLVIMENTO DO CRISÂNTEMO CULTIVADO EM VASO

Irriga ◽  
2009 ◽  
Vol 14 (2) ◽  
pp. 205-219 ◽  
Author(s):  
Márkilla Zunete Beckmann-Cavalcante ◽  
Kathia Fernandes Lopes Pivetta ◽  
Ítalo Herbert Lucena Cavalcante ◽  
Lourival Ferreira Cavalcante ◽  
Paulo Affonso Bellingieri
Keyword(s):  
Leaf Area ◽  
Aerial Part ◽  
Dry Matter ◽  
Block Design ◽  
Stem Diameter ◽  
Dendranthema Grandiflora ◽  
Randomized Block Design ◽  
Physiological Indexes ◽  
Number Of Leaves ◽  
Accelerated Growth

SOLUÇÕES NUTRITIVAS NO DESENVOLVIMENTO DO CRISÂNTEMO CULTIVADO EM VASO  Márkilla Zunete Beckmann-Cavalcante1,2; Kathia Fernandes Lopes Pivetta2; Ítalo Herbert Lucena Cavalcante1; Lourival Ferreira Cavalcante3; Paulo Affonso Bellingieri41 Engenharia Agronômica, Campus Profa. Cinobelina Elvas, Universidade Federal do Piauí, Bom Jesus, PI, [email protected] 2 Departamento de Produção Vegetal, Faculdade de Ciências Agrárias e Veterinárias, Universidade Estadual Paulista, Jaboticabal, SP.3 Departamento de Solos e Engenharia Rural, Centro de Ciências Agrárias, Universidade Federal da Paraíba, Areia, PB.4 Departamento de Tecnologia, Faculdade de Ciências Agrárias e Veterinárias, Universidade Estadual Paulista, Jaboticabal, SP.  1 RESUMO             Devido às informações sobre a solução nutritiva mais adequada ao cultivo de crisântemo de vaso ainda serem incongruentes, objetivou-se avaliar diferentes soluções nutritivas sobre o desenvolvimento do crisântemo cv. Miramar cultivado em vaso na FCAV-UNESP, Jaboticabal-SP.  O experimento foi conduzido em blocos casualizados com avaliação em parcelas subdivididas no tempo, com os tratamentos correspondentes a quatro diferentes soluções nutritivas compostas de fertilizantes comerciais (S1, S2, S3 e S4) e avaliadas em seis épocas (0, 14, 28, 42, 56  e 70 dias após enraizamento - DAE), com cinco repetições. Foram avaliados a altura de plantas; área foliar; número de folhas; diâmetro de haste; massa seca de parte aérea, raízes e total; número e o diâmetro de inflorescências; e, os índices fisiológicos da análise de crescimento. As soluções nutritivas não interferiram significativamente no diâmetro de haste, número e diâmetro de inflorescências e massa seca de raízes. Entretanto, S3 e S4 promoveram a maior altura de plantas, área foliar, número de folhas, massa seca da parte aérea e total. A partir dos índices fisiológicos, observou-se que as plantas apresentaram um crescimento vegetativo acelerado dos 14 aos 28 DAE, destacando-se as soluções S3 e S4. UNITERMOS: Dendranthema grandiflora Tzvelev., índices fisiológicos, nutrição mineral.  BECKMANN-CAVALCANTE, M. Z.; PIVETTA, K. F. L.; CAVALCANTE, Í. H. L.; CAVALCANTE, L. F.; BELLINGIERI, P. A. NUTRITIVE SOLUTIONS FOR DEVELOPMENT OF POTTED CHRYSANTHEMUM  2 ABSTRACT             Although the information about nutritive solution for potted chrysanthemum is still incongruent, the objective of this work was to evaluate the effect of nutritive solutions in the development ofMiramarchrysanthemum cultivated in pots at FCAV-UNESP, Jaboticabal-SP. The experiment had a randomized block design with split-plot evaluation and treatments corresponding to four nutritive solutions consisting of commercial fertilizers (S1, S2, S3, S4) evaluated at 0, 14, 28, 42, 56 and 70 days after rooting (DAE), with five replications. The plant height, leaf area, number of leaves, stem diameter, total dry matter mass of aerial part and roots; number and diameter of inflorescences, and physiological indexes of growth analysis were evaluated. The nutritive solutions did not interfere significantly in stem diameter, number and diameter of inflorescences and dry matter of roots, although S3 and S4 provided the highest plants, leaf area, number of leaves, total dry matter of aerial part. The physiological indexes showed that plants presented an accelerated growth from 14 to 28 DAE with S4 and S3 solutions and therefore they were considered  the best solutions. KEYWORDS: Dendranthema grandiflora Tzvelev., physiological indexes, mineral nutrition.

scholarly journals Use of substrates and hydrogel to produce desert rose seedlings

2019 ◽  
Vol 25 (4) ◽  
pp. 336-344
Author(s):  
João Luiz Lopes Monteiro Neto ◽  
Wellington Farias Araújo ◽  
Sonicley da Silva Maia ◽  
Iasmin Kele Amancio Costa da Silva ◽  
Edvan Alves Chagas ◽  
...  
Keyword(s):  
Rice Husk ◽  
Root Length ◽  
Quality Index ◽  
Aerial Part ◽  
Cattle Manure ◽  
Seedling Production ◽  
Number Of Leaves ◽  
Collar Diameter ◽  
The One ◽  
Growth Of Seedlings

Abstract Adenium obesum (Forssk.) Roem. & Schult., widely known as desert rose, has attracted interest for its esthetic characteristics, which are influenced by the process of seedling production. Using two consecutive experiments installed fully at random, the study aimed at assessing the use of different substrates and hydrogel to produce desert rose seedlings in a protected environment. First, eleven substrates were tested, prepared as follows: OrganoAmazon®; PuroHumus®; soil; rice husk in natura; carbonized rice husk, sawdust and cattle manure. Then, three substrates were tested (S1 - OrganoAmazon® + PuroHumus®; S2 - OrganoAmazon® + PuroHumus® + rice husk in natura and S3 - OrganoAmazon® + PuroHumus® + carbonized rice husk) associated to four hydrogel levels: 0 (daily irrigation), 1, 2 and 3 g L−1 (irrigated on alternate days). Growth variables and quality index of seedlings were assessed. Six substrates (all of them without addition of sawdust and where used in mix) were grouped as those the promoted appropriate growth of seedlings, with height, number of leaves, collar diameter, root length and aerial part biomass superior to 6.5 cm; 13; 12 mm; 7.5 cm and 0.45 g, respectively. The substrate composed of OrganoAmazon® + PuroHumus® (1:1 v/v), when irrigated daily, was the one that favored most the production of quality seedlings. The use of hydrogel in substrates with shifts of irrigation on alternate days did not favor the production of desert rose seedlings.

scholarly journals Initial Growth of Physalis peruviana L. Seedlings on Different Substrates

2020 ◽  
pp. 1-7
Author(s):  
Jeniffer Ribeiro de Oliveira ◽  
Mayara Nascimento Santos ◽  
Joabe Martins de Souza ◽  
Vinícius de Souza Oliveira ◽  
Mariana Alexandre Alves Amourim
Keyword(s):  
Quality Index ◽  
Aerial Part ◽  
Dry Matter ◽  
Initial Growth ◽  
Fresh Matter ◽  
Physalis Peruviana ◽  
Seedling Root ◽  
Number Of Leaves ◽  
Mean Time ◽  
Dickson Quality Index

The substrate is one of the most important factors in the formation of the seedling and must present conditions suitable for germination and development of the seedling root system. The objective of this work was to evaluate the effect of different substrates on the initial growth of Physalis peruviana L. seedlings. The experiment was conducted at the Experimental Farm, of the Federal University of Espírito Santo– São Mateus (Brazil). The experimental design used was completely randomized, with three treatments (Soil, Provaso® and Bioplant®), seven replications and seven plants per plot, using seeds with 427 days of storage. At 56 days after sowing, the 10 most vigorous seedlings were selected for evaluation. The following characteristics were evaluated: percentage of emergence, emergence speed index (ESI), mean time of emergence (MET), number of leaves (NL), stem diameter (SD), aerial part length (APL), aerial part fresh matter (APFM), aerial part dry matter (APDM), root fresh matter (RFM), root dry matter (RDM) and Dickson quality index (DQI). The Provaso® substrate showed the best performance in all studied variables, being recommended for the production of Physalis seedlings.

scholarly journals QUALITY OF CAMBUCI PEPPER SEEDLINGS IN RESPONSE TO THE APPLICATION OF NUTRIENT SOLUTIONS

2020 ◽  
Vol 7 (4) ◽  
pp. 73-79
Author(s):  
Nicholas Taborda Nordi ◽  
Eduardo Santana Aires ◽  
Thatiane Nepomuceno Alves ◽  
Samara Moreira Perisato ◽  
Antonio Ismael Inácio Cardoso
Keyword(s):  
Quality Index ◽  
Dry Matter ◽  
Stem Diameter ◽  
Control Treatment ◽  
Final Performance ◽  
Randomized Design ◽  
Number Of Leaves ◽  
Nutrient Solutions ◽  
Dickson Quality Index

One of the main stages in the production system of a crop is the production of quality seedlings since it influences the plants' final performance in the field and their production. The study aimed to evaluate different nutrient solutions in the production of Cambuci pepper seedlings. The design used was a complete randomized design, with six treatments corresponding to the nutrient solutions proposed for the pepper crop by Castellane and Araújo, Claudio Roberto, Hoagland, and Arnon, besides the commercial products Plenan® and Biobokashi®, and a control treatment without fertilization, with six replications. The final evaluation was carried out 45 days after sowing. The following variables were analyzed: stem diameter, plant height, leaf dry matter, shoot dry matter, the number of leaves, relative chlorophyll index ("Spad"), and Dickson quality index. The seedlings subjected to the applications of Claudio Roberto and Hoagland and Arnon solutions have the highest heights and number of leaves, the largest stem diameter, shoot dry matter, leaf area, and Dickson quality index with 2.60 and 2.51 mm, 0.54 and 0.62 g, 38.64 and 41.91 cm2, and 0.107; 0.097, respectively. The Hoagland and Arnon nutrient solution provided the best characteristics to produce Cambuci pepper seedlings.

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