scholarly journals Influence of alternative substrates on biomass and quality of cedar seedlings

2021 ◽  
Vol 14 (12) ◽  
Author(s):  
Cleverson Agueiro de Carvalho ◽  
Reginaldo Almeida Andrade ◽  
Felippe Coelho de Souza ◽  
Rychaellen Silva de Brito ◽  
Davair Lopes Teixeira Junior ◽  
...  
Keyword(s):  
Native Species ◽  
Dry Matter ◽  
Cedrela Odorata ◽  
Forage Grasses ◽  
Planted Forests ◽  
Alternative Substrates ◽  
Randomized Design ◽  
Completely Randomized Design ◽  
Organic Compost

The production of native species seedlings is essential for the establishment of planted forests or for the recovery of degraded areas. In the nursery stage, the quality of the substrate is crucial for plant growth and development. The objective of this work was to evaluate the influence of alternative substrates, produced from agroforestry residues and decomposed forage grasses, on the biomass input and quality of cedar (Cedrela odorata) seedlings. The experiment was carried out in a greenhouse, located in Rio Branco, Acre, in a completely randomized design, with three treatments, consisting of substrates: brachiaria organic compost (1:1); organic compost combined with crushed brazil nut husk (2:1) and commercial substrate, with ten repetitions. At 90 days after sowing, total, shoot and root dry matter and Dickson's quality index were evaluated. The organic compost from Brachiaria grass favors the accumulation of biomass, improves the quality of cedar seedlings and can replace the commercial substrate in a viable way.

scholarly journals Size and vigor of Anadenanthera colubrina (Vell.) Brenan seeds harvested in Caatinga areas

2017 ◽  
Vol 39 (4) ◽  
pp. 363-373 ◽  
Author(s):  
Jaciara de Souza Bispo ◽  
Danielle Carolina Campos da Costa ◽  
Samara Elizabeth Vieira Gomes ◽  
Gilmara Moreira de Oliveira ◽  
Janete Rodrigues Matias ◽  
...  
Keyword(s):  
Electrical Conductivity ◽  
Dry Matter ◽  
Folk Medicine ◽  
Germination Percentage ◽  
Climate Variations ◽  
Randomized Design ◽  
Mother Plants ◽  
Physiological Quality ◽  
Completely Randomized Design

Abstract: Angico is a species found in several environments in Brazil, with several applications. It is used in the timber industry and mainly in folk medicine. In order to verify a variation in the biometric characteristics and the quality of seeds from different mother-plants in different harvesting years, the following variables were studied: moisture content, diameter, density, electrical conductivity, fresh and dry matter of seedlings, germination percentage and kinetics, in a completely randomized design with a 2x3 factorial arrangement (lots x size). The obtained results showed that angico seeds from different lots showed different physiological quality, possibly due to the climate variations to which mother-plants were submitted in the different years. Seed size directly interferes with seedling growth under both controlled and greenhouse conditions, and it can be used as a vigor indicator for angico seeds.

scholarly journals Production of Bambusa vulgaris seedlings from rhizomes under brackish water irrigation

2020 ◽  
Vol 24 (5) ◽  
pp. 337-342
Author(s):  
Lourenço M. C. Branco ◽  
Claudivan F. de Lacerda ◽  
Albanise B. Marinho ◽  
Carlos H. C. de Sousa ◽  
Amanda S. F. Calvet ◽  
...  
Keyword(s):  
Gas Exchange ◽  
Brackish Water ◽  
Dry Matter ◽  
Leaf Gas Exchange ◽  
Photosynthesis Rate ◽  
Seedling Production ◽  
Randomized Design ◽  
Bambusa Vulgaris ◽  
Completely Randomized Design

ABSTRACT The objective of this study was to evaluate the influence of irrigation with brackish water on the production of bamboo seedlings (Bambusa vulgaris). The experiment was carried out at the Fazenda Experimental Piroás, in the municipality of Redenção, CE, Brazil (4° 14’ 53” S, 38° 45’ 10” W, and altitude of 230 m), in a completely randomized design with five treatments and six repetitions. The treatments consisted of five irrigation water electrical conductivity (ECw): 0.5 (control); 1.5; 2.5; 3.5 and 4.5 dS m-1. At 120 days after the beginning of the application of the treatments the leaf gas exchange, relative chlorophyll index (RCI), plant height (H), shoot dry matter (SDM), H/SDM ratio, and the concentrations of Na+ and K+ in stems and leaves were evaluated. Salt tolerance indexes were calculated based on SDM, H, photosynthesis rate and RCI. The increase in the ECw reduced leaf gas exchange, and the reduction in the photosynthesis rate was caused by stomatal and non-stomatal effects. The salinity affected negatively the growth and quality of bamboo seedlings, with the greatest effects being with ECw equal to or greater than 2.5 dS m-1. Bamboo seedlings present Na+ retention in the stems and low Na+/K+ ratio in the leaves. Bamboo seedlings are tolerant to salinity up to 1.5 dS m-1, indicating that waters with this salinity can be used for seedling production of this species, without loss of growth and quality.

scholarly journals ALTERNATIVE SUBSTRATES FOR PRODUCTION OF YELLOW PASSION FRUIT SEEDLINGS

2020 ◽  
Vol 7 (1) ◽  
pp. 43-48
Author(s):  
Eduardo Santana Aires ◽  
Carlos Alberto Aragão ◽  
Itala Laiane Silva Gomes ◽  
Gilmário Noberto de Souza ◽  
Isa Gabriela Vieira de Andrade
Keyword(s):  
Plant Height ◽  
Dry Matter ◽  
Passion Fruit ◽  
Dry Matter Accumulation ◽  
Alternative Substrates ◽  
Randomized Design ◽  
Length Width ◽  
Number Of Leaves ◽  
Completely Randomized Design ◽  
Yellow Passion Fruit

This study aimed to evaluate different substrates to produce yellow passion fruit seedlings. For this purpose, an experiment was carried out in a greenhouse, from April to June 2016. A completely randomized design with five replications, in a 6 x 5 factorial scheme was used. The first factor was the alternative substrates (poultry, cattle and equine manure, sugarcane and coconut bagasse, and Organomais compost). The second factor was the replacement levels to the commercial substrate of Plantmax® (100:0, 75:25, 50:50, 25:75, 0:100). The seedling evaluation was carried out 42 days after sowing. The following variables were analyzed: length, width, and the number of leaves; plant height and shoot dry matter. A significant effect (P0.05) for the interaction between the factors was verified. The addition of 60% cattle manure and Organomais to the commercial substrate Plantmax® promoted greater length, width, and the number of leaves, plant height, and shoot dry matter accumulation in the yellow passion fruit seedlings.

scholarly journals Substrate and seed sowing position on the production of Plukenetia volubilis L. seedlings

2018 ◽  
Vol 22 (6) ◽  
pp. 396-400 ◽  
Author(s):  
Tatiane S. Jeromini ◽  
Ana S. V. Barbosa ◽  
Givanildo Z. da Silva ◽  
Cibele C. Martins
Keyword(s):  
Fatty Acids ◽  
Dry Matter ◽  
Plant Production ◽  
Economic Potential ◽  
Randomized Design ◽  
Seed Position ◽  
Emergence Percentage ◽  
Plukenetia Volubilis ◽  
Completely Randomized Design

ABSTRACT Plukenetia volubilis is a species native to the Amazonia and has economic potential due to the high contents of polyunsaturated fatty acids and vitamins of the seeds; however, information about production of seedlings in nursery is scarce. Factors that contribute to fast emergence and generation of vigorous seedlings are desirable for plant production in the nursery. Therefore, this study aimed to identify the most favorable substrate and seed position for the production of P. volubilis seedlings. The seeds were sown in the following four positions: hilum facing up, hilum facing down, seed lying on its cotyledon suture, and seed lying flat on one of its cotyledon faces. The substrates were sand, vermiculite and commercial substrate. Treatments were distributed according to a completely randomized design in a 4 × 3 factorial arrangement (seed position and substrate) with three replicates of 25 seeds each. The following variables were evaluated: emergence percentage; first count of seedlings; number, width and length of leaves; plant height; stem diameter; dry matter of shoots and roots. It was concluded that the production of P. volubilis seedlings is not affected by either substrate or seed position at sowing. The substrates most favorable to the quality of P. volubilis seedlings were the commercial substrate and vermiculite, always for the positions of seed lying on its cotyledon suture, with faces parallel to tube walls, and seed lying flat on one of its faces.

scholarly journals Morphological and nutritional evaluation of ‘caraíba’ seedlings in different substrates using domestic sewage effluent for fertirrigation

DYNA ◽  
2020 ◽  
Vol 87 (214) ◽  
pp. 85-92
Author(s):  
Raimundo Fernandes de Brito ◽  
Miguel Ferreira Neto ◽  
Jonath Werissimo Da Silva Gomes ◽  
Ana Luíza Lima Ferreira ◽  
Nildo Da Silva Dias ◽  
...  
Keyword(s):  
Dry Matter ◽  
Domestic Sewage ◽  
Sewage Effluent ◽  
Nutritional Evaluation ◽  
Shoot Height ◽  
Randomized Design ◽  
Collar Diameter ◽  
Completely Randomized Design ◽  
Nitrogen Phosphorus

In this study, we evaluated the effects of fertigation with domestic sewage effluent and different substrates on the growth of Caraíba seedlings (Tabebuia aurea Benth). The experiment was accomplished in a greenhouse in Mossoró, RN. Five irrigation solutions (100% of water supply - WS, 100% of domestic sewage effluent – DS and dilutions of 75% DS + 25% WS, 50% DS + 50% WS e 25% DS + 75% WS) were tested and two substrates (75% soil + 25% bovine manure and 75% soil + 25% coconut fiber) using completely randomized design in subdivided plots with three replicates per treatment. Growth and development parameters were measured at 30, 60, 90, and 150 days after cultivation. The variables shoot height, collar diameter, height/diameter ratio, dry matter of root, shoot and total (root and shoot), shoot/root ratio, Dickson quality index, and nutritional evaluation of nitrogen, phosphorus, potassium and calcium were determinate. We verified that the use of domestic sewage increased growth and quality of caraíba seedlings, besides promoting nutrient accumulation in the plants grown in substrate of bovine manure plus soil with 100% application of domestic sewage in the fertigation.

scholarly journals Initial Growth of Amburana cearensis in Decomposed Buriti Stem Substrate and Nitrogen Doses

2018 ◽  
Vol 10 (7) ◽  
pp. 497
Author(s):  
Augusto Matias de Oliveira ◽  
Wéverson Lima Fonseca ◽  
Tiago De Oliveira Sousa ◽  
Hingrid Raiany Santos Teixeira ◽  
Fernandes Antonio de Almeida ◽  
...  
Keyword(s):  
Native Species ◽  
Significant Interaction ◽  
Aerial Part ◽  
Slow Growth ◽  
Dry Mass ◽  
Initial Growth ◽  
Initial Development ◽  
Randomized Design ◽  
Completely Randomized Design

One of the difficulties of producing native species seedlings is slow growth. The objective of this study was to evaluate the initial development of Amburana cearensis (Allem.) A. C. Smith in relation to the concentration decomposed buriti stem substratum and nitrogen doses. A completely randomized design was used in a factorial arrangement of 3 × 5 (proportions of decomposed buriti stem × nitrogen doses), with six replicates. The treatments were formulated substrates comprised of decomposed buriti stem manually mixed with soil (Dystrophic Yellow Latosol) in three proportions (0, 25 and 50%) and five nitrogen doses (0, 100, 200, 300 and 400 mg dm-3) applied in treatments. There was no significant interaction between the DRM and ND factors. However, there was an isolated effect for the following variables: Plant height (PH), stem diameter (SD), leaf number (LN), leaf area (LA), dry mass of the aerial part (DMA) and root length (RL). The best concentrations of the substrate for the variables PH, LA and DMA were 25% and 50%, whereas for SD, LN and RL, the best result was 50%. ND and other variables had good responses under recommended doses ranging from a minimum of 264.82 mg dm-3, observed in DMA, and a maximum of 400 mg dm-3, observed in RL. Both factors positively the quality of umburana seedlings.

scholarly journals Physiological and phytosanitary potential of rocket seeds

2015 ◽  
Vol 45 (2) ◽  
pp. 200-205 ◽  
Author(s):  
Jucilayne Fernandes Vieira ◽  
Sandro de Oliveira ◽  
Zarela Casas Navarro Zanatta ◽  
Elisa Souza Lemes ◽  
Francisco Amaral Villela ◽  
...  
Keyword(s):  
Dry Matter ◽  
Saline Solution ◽  
Germination Rate ◽  
Accelerated Aging ◽  
Sanitary Condition ◽  
Randomized Design ◽  
Seed Analysis ◽  
Physiological Quality ◽  
Completely Randomized Design

The objective of this study was to evaluate the physiological and sanitary quality of seeds of rocket; the research was done at the Laboratory of Seed Analysis and greenhouse of the Department of Plant Science, Federal University of Pelotas (UFPel). Four lots of the cultivar "Antonella'' were tested for following features: initial and final moisture content, germination rate, first count of germination, accelerated aging with saline solution, dry matter contents, seedling shoot and root length, emergence speed index, emergence of seedlings in substrate, electrical conductivity and sanitary condition. A completely randomized design with four replications was used for all tests done and means were compared by Tukey test (P≤0.05). For all tests performed it was concluded that despite changes in the ranking of the best lots, there was agreement regarding the indication of the inferiority of the lot 3 in all tests and it was also observed that the incidence of fungi associated with seeds of rocket interfere with the physiological quality of the lots.

scholarly journals KUALITAS NUTRISI SILASE LIMBAH PISANG (BATANG DAN BONGGOL) DAN LEVEL MOLASES YANG BERBEDA SEBAGAI PAKAN ALTERNATIF TERNAK RUMINANSIA

2017 ◽  
Vol 13 (2) ◽  
pp. 41
Author(s):  
Ibnu Sutowo ◽  
Triani Adelina ◽  
Dewi Febrina
Keyword(s):  
Crude Protein ◽  
Dry Matter ◽  
Nutrient Content ◽  
Crude Fiber ◽  
Nutrient Quality ◽  
Randomized Design ◽  
Completely Randomized Design ◽  
Different Levels ◽  
Ruminant Feed

Stem and stump of bananas have potential to be used as an alternative for ruminant feed. However, one of the problem is its rapidly decomposing which affect high of water content. The alternative way to solve this matter by using silage. The aim of this study was to determine the nutritional quality of banana waste silage (stems and stump) with the addition of molasses with different levels. The experimental design was a Completely Randomized Design in factorial 3 × 3 with two replications. The first factor (A) was the composition of the substrate, A1: stump 100% + stem 0%, A2: stump 50% + stem 50%, and A3: stump 0% + stem 100%, while the second factor (B) was the levels of molasses (0; 2.5; and 5%). The parameters measured were dry matter, crude protein, crude fiber, extract ether, ash and BETN. The results showed that the composition of the substrate has significant effect (P<0.05) increased content of dry matter, crude protein, crude fiber, BETN, but did not significant (P>0.05) on extract ether and ash content. There was an interaction (P<0.05) between the substrate composition and the addition of molasses on the content of the ash. The best composition for increasing the nutrient content was stump 100% + stemps 0%. It is conclude that the compostion of stump and stemps may affect the nutrient quality of silage.

scholarly journals EFFECTS OF SUBSTRATE AND WATER AVAILABILITY ON THE INITIAL GROWTH OF Alibertia edulis RICH.

FLORESTA ◽  
2018 ◽  
Vol 49 (1) ◽  
pp. 089 ◽  
Author(s):  
Tatiane Sanches Jeromini ◽  
Leandro Henrique de Sousa Mota ◽  
Silvana De Paula Quintão Scalon ◽  
Daiane Mugnol Dresch ◽  
Lourenço Quintão Scalon
Keyword(s):  
Water Availability ◽  
Native Species ◽  
Water Retention ◽  
Water Levels ◽  
Chicken Manure ◽  
Initial Growth ◽  
Randomized Design ◽  
Completely Randomized Design ◽  
Red Latosol

Alibertia edulis Rich. is a native species of the Brazilian Cerrado and can be used for reforestation of degraded areas. In addition, it produces edible fruits. The objective of this study was to evaluate the effect of substrates and water levels on the emergence, initial growth, and quality of seedling of A. edulis. The substrates tested were: latosol (L), latosol + sand (L + S = 1:1), latosol + sand + chicken manure (L + S1 + CM = 1:1:0,5), latosol + sand + chicken manure (L + S2 + CM = 1:2:0,5), and latosol + commercial substrate (L + C = 1:1); and the water retention capacities (WRC) tested were: 25, 50, 75, and 100%. The experiment was carried through in a completely randomized design and subdivided into a plot scheme, in which the plots represented water availability and the subplots represented the substrates. Latosol + commercial substrate at 100% of WRC provided the best conditions for emergence, initial growth and formation of seedlings of A. edulis. Sowing in the substrate Dystroferric Red Latosol isolated at 25% of WRC should not be used for the formation of seedlings of this species.

scholarly journals Estudio comparativo de la densidad de siembra y su efecto sobre la producción de forraje y calidad nutricional de pastos perennes asociados, en condiciones alto andinas del Perú

2021 ◽  
Vol 11 (1) ◽  
pp. 475-482
Author(s):  
Alberto Gilmer Arias-Arredondo ◽  
◽  
César Enrique Pantoja-Aliaga ◽  
Juancarlos Alejandro Cruz Luis ◽  
Alfonso Atanacio Carvajal ◽  
...  
Keyword(s):  
Sea Level ◽  
Nutritional Quality ◽  
Dry Matter ◽  
Forage Yield ◽  
Forage Production ◽  
Randomized Design ◽  
Green Matter ◽  
National University ◽  
Completely Randomized Design

The study was carried out in the central highlands of Peru at 3,900 meters above sea level, in the Casaracra experimental center of the Daniel Alcides Carrión National University, where the objective was to determine and analyze the forage yield and nutritional quality of the associated grasses in different density is sowing. In forage production, the values of green matter and dry matter and the percentage of dry matter were determined; in nutritional quality, the nutritional variables% PT, %NDF, %FDA, % Ca and% P were analyzed. a completely randomized design was used. The results for forage yield for treatment 1 in MV was 3.54 kg / m2 and DM 0.68 kg / m2, in treatment 2 in MV it was 2.61 kg / m2 and DM 0.72 kg / m2, for treatment 3 in MV it was 3.07 kg / m2 and DM 0.98 kg / m2 and finally in treatment 4 the MV was 2.48 kg / m2 and DM 0.93 kg / m2. The nutritional quality for treatments 1, 2, 3 and 4 in% PT (15.56, 15.21, 6.81 and 5.37), % FDN (48.85, 43.82, 43.34 and 41.89), % FDA (28.82, 26.31, 27.27 and 24.43), % Ca (0.86, 0.80, 0.33 and 0.17), %P (0.25, 0.24, 0.18 and 0.07) respectively. Where it is concluded that treatment 4 showed acceptable fiber content in sheep feeding.

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