scholarly journals Water productivity and production function in irrigated millet crop

2019 ◽  
Vol 40 (6Supl2) ◽  
pp. 2837
Author(s):  
Rogério Ricalde Torres ◽  
Adroaldo Dias Robaina ◽  
Marcia Xavier Peiter ◽  
Luis Humberto Bahú Ben ◽  
Wellington Mezzomo ◽  
...  
Keyword(s):  
Block Design ◽  
Water Productivity ◽  
Rio Grande ◽  
Growing Season ◽  
Quadratic Equation ◽  
Rio Grande Do Sul ◽  
Forage Production ◽  
Growing Seasons ◽  
Irrigation Regimes ◽  
Randomized Block Design

Determining the function that correlates water productivity with crop yield is essential for the correct sizing and management of irrigated agricultural systems. The objectives of this study are to determine forage production (FP) of millet at different irrigation levels and water productivity. Two experiments were conducted using millet crop sown in the 2014/2015 growing season in Santiago, Rio Grande do Sul, Brazil, and in the 2015/2016 growing season in Santa Maria, Rio Grande do Sul. The experiments were carried out using a completely randomized block design with four repetitions and six irrigation regimes (0, 25, 50, 75, 100, and 125% of reference evapotranspiration-ETo). Dry matter (DM) production of plants collected at 50, 80, 110, and 140 days after sowing and water productivity were determined. Irrigation had a significant effect on millet FP (kg DM ha-1) during the 2014/2015 and 2015/2016 growing seasons after adjusting the quadratic equation. The maximum technical efficiency in the two growing seasons was reached at 125% of ETo, with FP of 15,494.47 kg ha-1 and 14,779.50 kg ha-1, respectively. Water productivity was not significantly different between treatments, yieldingan average of 1.86 kg DM m-3 and 1.69 kg DM m-3 in the two seasons, respectively. The curve of average FP estimated with the logistic equation accurately represents the total FP in the two seasons. Millet crop is susceptible to water deficits, and the irrigation regime of 125% ETo achieved the highest FP in both growing seasons. However, the adopted irrigation regimes did not significantly affect water productivity.

scholarly journals Adaptability and stability of white oat cultivars in relation to chemical composition of the caryopsis

2013 ◽  
Vol 48 (1) ◽  
pp. 42-50 ◽  
Author(s):  
Maraisa Crestani Hawerroth ◽  
Fernando Irajá Félix de Carvalho ◽  
Antonio Costa de Oliveira ◽  
José Antonio Gonzalez da Silva ◽  
Luiz Carlos Gutkoski ◽  
...  
Keyword(s):  
Chemical Composition ◽  
Avena Sativa ◽  
Block Design ◽  
Chemical Properties ◽  
Rio Grande ◽  
Rio Grande Do Sul ◽  
Average Performance ◽  
Randomized Block Design ◽  
Nitrogen Free Extract ◽  
Oat Cultivars

The objective of this work was to characterize the chemical properties of white oat (Avena sativa) caryopsis and to determine the adaptability and stability of cultivars recommended for cultivation in the state of Rio Grande do Sul, Brazil. The trials were carried out in the 2007, 2008 and 2009 crop seasons, in three municipalities: Augusto Pestana, Capão do Leão, and Passo Fundo. Fifteen cultivars were evaluated in a randomized block design, with four replicates. The contents of protein, lipid, and nitrogen-free extract were evaluated in the caryopsis. Cultivar performances for the measured characters varied according to location and year of cultivation. The cultivar URS Guapa showed high content of nitrogen-free extract and low contents of protein and lipid in the caryopsis. 'FAPA Louise' showed high content of lipid, whereas 'Albasul', 'UPF 15', and 'UPF 18' showed high content of protein and low content of nitrogen-free extract. There is no evidence of an ideal biotype for the evaluated characters, which could simultaneously show high average performance, adaptability to favorable and unfavorable environments, and stability.

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 Nutrient extraction and exportation by castor bean hybrid lyra

2012 ◽  
Vol 36 (1) ◽  
pp. 123-124 ◽  
Author(s):  
Martha Santana do Nascimento ◽  
Carlos Alexandre Costa Crusciol ◽  
Adalton Mazetti Fernandes ◽  
Maurício Dutra Zanotto
Keyword(s):  
Short Stature ◽  
Nutrient Uptake ◽  
Castor Bean ◽  
Block Design ◽  
Growing Season ◽  
Plant Residues ◽  
Nutrient Demand ◽  
Growing Seasons ◽  
Randomized Block Design ◽  
Nutrient Extraction

Information about nutrient extraction and exportation by crops, as well as the periods of highest nutrient demand is important for an adequate fertilization management. However, there are no studies on the nutrient uptake of short-stature hybrid castor bean. Therefore, the purpose of this study was to evaluate nutrient extraction and exportation by short-stature castor bean hybrid Lyra, in the spring-summer and fall-winter growing seasons. The experiments were conducted in the 2005/2006 spring-summer and 2006 fall-winter growing seasons on an Oxisol, in Botucatu, SP, in a randomized block design, with four replications. The plots consisted of plant samplings, which occurred 17, 31, 45, 59, 73, 97 and 120 days after emergence (DAE) in the spring-summer and 17, 31, 45, 59, 80, 100 and 120 DAE in fall-winter growing season. The growth of hybrid Lyra was slow and nutrient uptake lowest between emergence and the beginning of flowering. The period of highest dry matter (DM) accumulation rates and highest nutrient demand were observed 40 to 80 DAE, in both growing seasons. The order of nutrient extraction by the plants in the spring-summer growing season was: N>K>Ca>Mg>S>P>Fe>Mn>Zn>B>Cu>Mo. In fall-winter, S was more absorbed than Mg. Seed yield was higher in the spring-summer (2.995 kg ha-1), but nutrient extraction and exportation per ton of seed were similar in both growing seasons. Around 58 % of N and 84 % of P, and approximately half of the S and B absorbed throughout the cycle were exported with the seeds. However, most of the other nutrients accumulated in the plants returned to the soil in plant residues.

scholarly journals Morphophysiological aspects of ornamental sunflowers cultivated in different growing seasons under semi-arid conditions

2022 ◽  
Vol 26 (4) ◽  
pp. 299-305
Author(s):  
Sheila D. P. da Silva ◽  
Gracielle P. de Souza ◽  
Agnaldo R. de M. Chaves ◽  
Marcelle A. da Silva ◽  
Rafaela R. de Souza ◽  
...  
Keyword(s):  
Gas Exchange ◽  
Arid Regions ◽  
Block Design ◽  
Growing Season ◽  
Climatic Conditions ◽  
Growing Seasons ◽  
Arid Conditions ◽  
Randomized Block Design ◽  
Leaf Surface Area ◽  
Semi Arid

ABSTRACT Knowledge of how climatic conditions affect plant morphophysiology is essential for understanding how to manage the growth cycles of different crops. The aim of this study was to evaluate the effects of the growing seasons in a semi-arid area on the morphophysiological variables of ornamental sunflower plants. The experiment was carried out in a randomized block design in a split-plot arrangement with four replicates. Six cultivars (‘Bonito de Outono Sortido’, ‘Sol Noturno’, ‘Sol Vermelho’, ‘Jardim Amarelo Alto’, ‘Girassol F1 Sunbright Supreme’ and ‘Girassol F1 Vincents Choice’) were evaluated in the main plots and two different growing seasons (GS) in the subplots (GS1 - warm climate and GS2 - mild climate). Evaluations of gas exchange, chlorophyll indices, and leaf surface area were carried out at the reproductive stage (R5.5). The cultivation of ornamental sunflowers in semi-arid regions was significantly affected by the growing season. Changes in gas exchange variables and the morphophysiology of ornamental sunflower plants in the two growing seasons reflected the high phenotypic plasticity characteristic of this species. The cultivation of ornamental sunflowers under semi-arid conditions in the growing season, when air temperature and solar radiation are high, could be limited due to elevated transpiration rates. Therefore, it is recommended that they are grown mainly during the moderate climatic season in semi-arid regions.

scholarly journals Fungicides application in corn disease control and mycotoxin accumulation in grain

2020 ◽  
Vol 8 (8) ◽  
pp. 519-529
Author(s):  
Gilmar Seidel ◽  
Caroline Wesp ◽  
Jana Koefender ◽  
Diego Pascoal Golle ◽  
André Schoffel ◽  
...  
Keyword(s):  
Disease Control ◽  
Block Design ◽  
Rio Grande ◽  
White Spot ◽  
Growth Stages ◽  
Phenological Stage ◽  
Rio Grande Do Sul ◽  
Randomized Block Design ◽  
Different Growth Stages ◽  
Summer Crop

In Brazil, corn planted area increased by 30%. Therefore, there was also an increase in the incidence of pathogens in the crop. The objective of this work was to evaluate the influence of fungicide applications on corn crops in the different growth stages for the control of the diseases and its effect on the occurrence of mycotoxins in the grain. The experiment was carried out in the 2017/2018 summer crop, in the municipality of Cruz Alta, state of Rio Grande do Sul/BR. This study used P 1630 hybrid, in a randomized block design with eight treatments (control, V8, PT, V4 + V8, V4 + V8 + PT, V8 + PT, V8 + PT + 15, PT + 15) and three replicates. The fungicide fluxapiroxade + pyraclostrobin + epoxiconazole at the dose of 1.0 L/ha-1 was used. The diseases that affected the crop were the white spot and helmintosporiosis, therefore, reducing the incidence of diseases. Also the highest yields were obtained where the applications started at the phenological stage V4 and V8. The levels of mycotoxins detected in this work remained within the limits of the legislation, with a significant reduction in the accumulation of fumonisin and aflatoxin with fungicide applications.

scholarly journals New Formulation of Clethodim/Adjuvant at Control of Grass Weeds for Soybean Crops

2020 ◽  
Vol 8 (4) ◽  
pp. 19
Author(s):  
Alan Serafini Betto ◽  
Rafael Dysarz ◽  
Rafaela Cinelli ◽  
Rubens Antonio Polito ◽  
Tamara Heck ◽  
...  
Keyword(s):  
Weed Control ◽  
Field Experiments ◽  
Crop Yields ◽  
Block Design ◽  
Growing Season ◽  
Growing Seasons ◽  
Randomized Block Design ◽  
High Control ◽  
New Formulation

The use of ACCase-inhibiting herbicides without the correct addition of an adjuvant is a major cause of inefficient poaceous weed control. As such, this study aimed to assess the efficiency of a new clethodim/adjuvant formulated mixture in postemergence weed control for soybean crops. Two field experiments were conducted in the 2015/16 and 2016/17 growing seasons. A randomized block design, consisting of ten treatments with four repetitions, was used. The treatments and doses were: clethodim (108 g a.i. ha-1) + Lanzar® (0.5%), clethodim (108 g a.i. ha-1) + Nimbus® (0.5%), clethodim/adjuvant formulation at doses of (84 g a.i. ha-1), (96 g a.i. ha-1), (108 g a.i. ha-1), (120 g a.i. ha-1), (132 g a.i. ha-1), and (144 g a.i. ha-1), and a control with and without weeding. The formulated clethodim/adjuvant mixture showed high control at 7 days after application (DAA) in the 2015/16 growing season. At 28 DAA, formulation doses of 108 g a.i. ha-1 and higher exhibited superior weed control and the highest crop yields. Therefore, the use of correct adjuvant or formulated mixture is essential to increase the efficiency of clethodim herbicide.

scholarly journals Changes in a Rhodic Hapludox under no-tillage and urban waste compost in the northwest of Rio Grande do Sul, Brazil

2014 ◽  
Vol 38 (4) ◽  
pp. 1327-1336 ◽  
Author(s):  
Moacir Tuzzin de Moraes ◽  
Vanderlei Rodrigues da Silva ◽  
Maurício Roberto Cherubin ◽  
Reimar Carlesso ◽  
Henrique Debiasi ◽  
...  
Keyword(s):  
Organic Carbon ◽  
Total Nitrogen ◽  
Block Design ◽  
Aggregate Stability ◽  
Mineral Fertilizer ◽  
Rio Grande ◽  
No Tillage ◽  
Rio Grande Do Sul ◽  
Urban Waste ◽  
Growing Seasons

The use of urban waste compost as nutrient source in agriculture has been a subject of investigation in Brazil and elsewhere, although the effects on soil physical and chemical properties and processes are still poorly known. The aim of this study was to evaluate the effect of application of urban waste compost and mineral fertilizer on soil aggregate stability and organic carbon and total nitrogen content of a Rhodic Hapludox under no-tillage in the northwestern region of Rio Grande do Sul, Brazil, in the 2009/2010 and 2010/2011 growing seasons. The experiment was arranged in a 2 × 6 (seasons and fertilization) factorial in a randomized complete block design with four replications. The factor time consisted of two growing seasons (sunflower in 2009/10 and maize in 2010/11) and the factor fertilization of five rates of urban waste compost (0, 25, 50, 75 and 100 m³ ha-1), and mineral fertilizer. Soil samples were collected from the 0.0-0.10 m layer to determine aggregate stability (mean weight and geometric diameter), soil organic carbon (SOC) and total nitrogen (TN). Rates of up to 75 m³ ha-1 of urban waste compost, after two years of application to no-tillage maize and sunflower, improved aggregation compared to mineral fertilization in a Rhodic Hapludox. After the second crop, the SOC and TN contents increased linearly with the levels of urban waste compost.

scholarly journals EMISSÕES DE GASES DE TRATOR AGRÍCOLA NA OPERAÇÃO DE SEMEADURA COM TRÁFEGO CONTROLADO EM DIFERENTES INTENSIDADES

2019 ◽  
Vol 34 (2) ◽  
pp. 187-194
Author(s):  
GILVAN MOISÉS BERTOLLO ◽  
JOSÉ FERNANDO SCHLOSSER ◽  
ROVIAN BERTINATTO ◽  
MARCELO SILVEIRA FARIAS ◽  
ALFRAN TELLECHEA MARTINI
Keyword(s):  
Carbon Dioxide ◽  
Traffic Control ◽  
Block Design ◽  
Nitrogen Monoxide ◽  
Rio Grande ◽  
Oxides Of Nitrogen ◽  
Rio Grande Do Sul ◽  
Randomized Block Design ◽  
Santa Maria ◽  
Agricultural Tractor

EMISSÕES DE GASES DE TRATOR AGRÍCOLA NA OPERAÇÃO DE SEMEADURA COM TRÁFEGO CONTROLADO EM DIFERENTES INTENSIDADES   GILVAN MOISÉS BERTOLLO1, JOSÉ FERNANDO SCHLOSSER2, ROVIAN BERTINATTO3, MARCELO SILVEIRA DE FARIAS4, ALFRAN TELLECHEA MARTINI5   1 Curso de Agronomia, Universidade Tecnológica Federal do Paraná Câmpus Santa Helena, Rua Cerejeira, s/n, Bairro São Luís, CEP 85892-000, Santa Helena, Paraná, Brasil, [email protected]. 2 Departamento de Engenharia Rural, Universidade Federal de Santa Maria, Avenida Roraima n°1000, Bairro Camobi, CEP 97105-900, Santa Maria, Rio Grande do Sul, Brasil, [email protected], 3 Departamento de Engenharia Rural, Universidade Federal de Santa Maria, Avenida Roraima n°1000, Bairro Camobi, CEP 97105-900, Santa Maria, Rio Grande do Sul, Brasil, [email protected], 4 Departamento de Ciências Agronômicas e Ambientais, Universidade Federal de Santa Maria Câmpus Frederico Westphalen, Rio Grande do Sul, Brasil, [email protected], 5 Coordenadoria Acadêmica, Universidade Federal de Santa Maria Câmpus Cachoeira do Sul, Rua Ernesto Barros, n° 1345, Bairro Santo Antônio, CEP 96506-310, Cachoeira do Sul, Rio Grande do Sul, Brasil, [email protected]     RESUMO: O objetivo deste estudo foi avaliar as emissões de gases de trator agrícola, tracionando semeadora com diferentes configurações de sulcadores, em área com intensidades de tráfego controlado e aleatório de máquinas. O trabalho foi desenvolvido em área agrícola localizada no município de Carazinho, RS. O delineamento experimental foi de blocos casualizados 4 x 3, sendo quatro intensidades de tráfego (tráfego do trator, tráfego do trator e colhedora, tráfego de trator e colhedora e pulverizador e tráfego aleatório) e três configurações de sulcadores (disco duplo em todas as linhas de semeadora, disco duplo nas linhas sem tráfego e haste naquelas que recebem o tráfego e disco duplo nas linhas sem contato de pneu com ausência de sulcadores nas linhas de tráfego). Os gases analisados foram: material particulado (MP), monóxido de nitrogênio (NO), dióxido de nitrogênio (NO2), óxidos de nitrogênio (NOx), dióxido de carbono (CO2) e oxigênio (O). Conclui-se que o tráfego controlado de máquinas na maior intensidade comparado ao tráfego aleatório reduz 6,7% a emissão de gases particulados com disco duplo na semeadora e 30,3% quando as linhas trafegadas não são cultivadas. A tráfego controlado de máquinas, dependendo da configuração dos sulcadores da semeadora, reduz a emissão de óxidos de nitrogênio.   Palavras–chave: gás carbônico, combustível, poluição, combustão, agricultura   GASES EMISSION FROM AN AGRICULTURAL TRACTOR IN A SOWING OPERATION WITH TRAFFIC CONTROL  TRAFFIC IN DIFFERENT INTENSITIES   ABSTRACT: The aim of this study was to evaluate the emissions of pollutant gases from an agricultural tractor, pulled a seeder with different furrower configurations, in an area traffic intensity controlled area and random machines. The study was developed in an agricultural area located in the municipality of Carazinho, Rio Grande do Sul, Brazil. The experimental design was a 4 x 3 randomized block design, with four traffic situations (tractor traffic, tractor and harvester traffic, tractor and harvester traffic and sprayer and random traffic) and three furrow configurations (double disk in all rows, double disk in the lines without traffic and stem in those that receive the traffic and double disc in the lines without contact of tire with absence of furrowers in the traffic lines). The analyzed gases were: particulate matter (MP), nitrogen monoxide (NO), nitrogen dioxide (NO2), oxides of nitrogen (NOx), carbon dioxide (CO2) and oxygen (O). It was concluded that the controlled traffic with machines at the highest intensity compared to random traffic reduces the emission of particulate gases with double disc in the seeder and by 30.3% when the trafficked lines      were not cultivated.   Keywords: carbon dioxide, fuel, pollution, oxygen, combustion, agriculture  

scholarly journals Field behavior of potted seedlings of strawberry plants in different growing seasons

2020 ◽  
pp. 910
Author(s):  
Tais Barbosa Becker ◽  
Michel Aldrighi Gonçalves ◽  
Leticia Vanni Ferreira ◽  
Luis Eduardo Correa Antunes
Keyword(s):  
Initial Phase ◽  
Block Design ◽  
Total Yield ◽  
Growing Season ◽  
Total Production ◽  
Rainfall Distribution ◽  
Growing Seasons ◽  
Field Behavior ◽  
Randomized Block Design ◽  
Full Flowering

Since dependence on seedling importation has been a hindrance to strawberry farmers, production of national plants has become an alternative solution. This study aimed at evaluating the field behavior of potted seedlings of strawberry plants in a low tunnel system in different early growing seasons in Rio Grande do Sul, Brazil. The experiment was carried out at Embrapa Clima Temperado in 2015 and 2016 in a randomized block design, composed of a 4x3 factorial, four cultivars (Aromas, Camarosa, Festival and Oso Grande) and three growing seasons (March 16th, April 1st and April 16th). For all seasons, the cultivation was until November 30 in 2015 and October 31 in 2016. The following variables were determined: beginning and full blooming, beginning and length of harvest; number of fruits; mean fruit mass; and fresh mass per plant throughout early and total production. The cultivar Aromas presents lower flowering uniformity among plants (difference between beginning and full flowering) according to the two years of evaluation.  Potted strawberry seedlings planted until early April 1st - Season 2 in Pelotas, RS, allow high early production, with production above 400 grams per plant. The cultivar Camarosa when planted on March 16 or April 1 had total yield per plant above 800 grams. All cultivars under study (Aromas, Camarosa, Festival and Oso Grande) have better plant development and higher total yield gains in years with higher temperature and lower rainfall in the initial phase and good rainfall distribution over the growing season. (2015) than in years with most frequent precipitation and lower temperature in the initial phase and poor rainfall distribution over the growing season (2016).

scholarly journals Agronomic performance of canola hybrids cultivated in a low altitude region in Southern Brazil

2020 ◽  
Vol 19 (2) ◽  
pp. 117-123
Author(s):  
Fabiano Colet ◽  
Diego Nicolau Follmann ◽  
Astor Henrique Nied ◽  
Alessandro Dal'Col Lúcio ◽  
Thomas Newton Martin
Keyword(s):  
Central Region ◽  
Block Design ◽  
Rio Grande ◽  
Agronomic Performance ◽  
Rio Grande Do Sul ◽  
Randomized Block Design ◽  
Grain Productivity ◽  
Productive Potential ◽  
Low Altitude ◽  
Santa Maria

The area occupied by crops has expanded in recent years in the central region of Rio Grande do Sul, Brazil and the search for alternative winter crops to integrate the productive system is relevant given the idleness of the areas at this time and the lower risk of frost losses that occur in most grain-producing regions. In this sense, the objective of this research was to evaluate the agronomic performance of eight canola hybrids (Hyola 61, Hyola 50, Hyola 433, Hyola 571CL, Hyola 575CL, Diamond, ALHT B4, and ALHT M6), cultivated in low altitude areas, in the Central region of Rio Grande do Sul (RS). The experiment was conducted in 2017, in Santa Maria, RS, using a randomized block design with four replicates. Canola hybrids show variability regarding the morphological components and grain production. The environmental condition and low altitude of the region of Santa Maria do not compromise the productive potential of the canola crop, obtaining grain productivity superior to the state and national averages. Therefore, canola crop can be inserted in the central region of Rio Grande do Sul if adequate agronomic management is performed. The cultivars Hyola 50, Hyola 571CL, Hyola 433, Hyola 575CL, Diamond, and Hyola 61 present the highest grain productivity.

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