scholarly journals Correlations and track analysis for morphoagronomic descriptors in pedigree and parental lines of castor bean

2017 ◽  
Vol 47 (4) ◽  
Author(s):  
Adielle Rodrigues da Silva ◽  
Simone Alves Silva ◽  
Vanessa de Oliveira Almeida ◽  
Gilmara de Melo Araújo ◽  
Carlos Alberto da Silva Ledo
Keyword(s):  
Castor Bean ◽  
Ricinus Communis ◽  
Block Design ◽  
Fruit Weight ◽  
Flowering Plant ◽  
Germplasm Bank ◽  
Randomized Block Design ◽  
Ricinus Communis L ◽  
Parental Lines ◽  
Track Analysis

ABSTRACT: As castor bean (Ricinus communis L.) reveals immense adaptability to various ecological conditions and due to its socioeconomic significance, new studies have emerged primarily to develop more productive cultivars to suit different regions in Brazil. This study aimed to confirmthe correlations and direct and indirect effects of the morphoagronomic descriptors on castor bean productivity, employing correlation studies and track analysis. Between 2014 and 2015, experiments utilizing the randomized block design were performed, with four replications, which included 208 treatments involving pedigree and parental lines of castor bean, drawn from the germplasm bank of the Universidade Federal do Recôncavo da Bahia. Variables in the correlation analysis included primary racemic insertion, stem diameter, number of stem internodes, plant flowering, plant height, racemic length, number of fruits per raceme, fruit weight per raceme, seed yield per fruit and productivity. Correlations among the variables analyzed were imposed, via track analysis, on the direct and indirect influences of the morphoagronomic descriptors on productivity. The most direct and positively influential descriptors included fruit weight per raceme and number of seeds per raceme; the most direct albeit negatively influential descriptors are the number of internodes on the stem and flowering. Therefore, lines with less number of internodes and requiring fewer days to bloom are more highly productive. These descriptors can thus effectively identify the productive lines.

scholarly journals IDENTIFICATION OF Ricinus communis HYBRIDS FOR LOW PLANT HEIGHT1

2021 ◽  
Vol 34 (4) ◽  
pp. 837-845
Author(s):  
FREDSON DOS SANTOS MENEZES ◽  
SIMONE ALVES SILVA ◽  
GEAN CARLO SOARES CAPINAN ◽  
HELISON SANTOS BRASILEIRO ◽  
LAURENICE ARAÚJO DOS SANTOS
Keyword(s):  
Plant Height ◽  
Castor Bean ◽  
Ricinus Communis ◽  
Block Design ◽  
Direct Selection ◽  
Randomized Block Design ◽  
Ricinus Communis L ◽  
Bean Plants ◽  
Stem Internode ◽  
High Heritability

ABSTRACT Castor bean (Ricinus communis L.) is a plant native to Africa that presents important socioeconomic value for many countries, and has been the subject of breeding programs. In this context, the objective of this work was to identify genotypes with potential for improvement, focused on lowering plant height, using 19 hybrids and eight parents of R. communis. The study was developed at the experimental area of the Federal University of Recôncavo da Bahia in Cruz das Almas, BA, Brazil. The experiment was conducted in 2017 using a randomized block design with three replications, consisting of eight parents and 19 hybrids resulting from hybridization of these parents, grown with spacing of 3 meters between rows and 1 meter between plants. The characters stem diameter (SD), primary raceme insertion height (PRI), number of stem internodes (NSI), mean stem internode length (SIL), plant height (PH), number of harvested racemes (NHR), primary raceme length (PRL), and effective raceme length (ERL) were evaluated by analyzing the genetic parameters of variances and correlation between them. Five (H17, H2, H11, H13, and H6) of the 19 hybrids evaluated have potential to decrease PH of castor bean plants, presenting heights below 1.07 m. Direct selection for plant height is the most indicated for this purpose due to the high heritability of the character. However, the characters SD, PRI, and SIL stood out by assisting in indirect selection to decrease plant height because they can be early measured and present high heritability and strong correlation with PH.

scholarly journals Salinity and nitrogen doses in the production and oil content of castor bean

2019 ◽  
Vol 40 (6Supl2) ◽  
pp. 2851
Author(s):  
Allan Nunes Alves ◽  
Hans Raj Gheyi ◽  
José Amilton Santos Junior ◽  
Fernando José da Silva Junior ◽  
Frederico Antônio Loureiro Soares ◽  
...  
Keyword(s):  
Electrical Conductivity ◽  
Brackish Water ◽  
Oil Content ◽  
Ricinus Communis ◽  
Block Design ◽  
Fruit Weight ◽  
Nitrogen Levels ◽  
Randomized Block Design ◽  
Ricinus Communis L ◽  
Salinity Levels

The proper management of irrigation and mineral nutrition is critical to the success of crops, especially crops grown under salt stress conditions. The objective of this study was to evaluate the production and oil content of castor plants (Ricinus communis L.) irrigated with brackish water with different salinity levels (0.6, 1.6, 2.6, 3.6, and 4.6 dS m-1) and grown under different nitrogen levels (50, 75, 100, 125, and 150 mg of N kg-1 soil). These treatments were arranged in a completely randomized block design with a 5 ? 5 factorial scheme and three repetitions, totaling 75 experimental units. The interaction effect between salinity levels and nitrogen levels affected fruit weight per plant and oil content, and irrigation with brackish water with an electrical conductivity starting at 0.6 dS m-1 reduced the number of racemes per plant, number of fruits, and the weight of fruits and seeds.

scholarly journals CRESCIMENTO E PRODUÇÃO DA MAMONEIRA BRS GABRIELA EM FUNÇÃO DA ADUBAÇÃO ORGÂNICA E NÍVEIS DE ÁGUA

Irriga ◽  
2018 ◽  
Vol 1 (1) ◽  
pp. 196
Author(s):  
Evandro Franklin de Mesquita ◽  
Francisco Vanies da Silva Sá ◽  
Paula Lorrane Melo de Jesus ◽  
Cesenildo Figueiredo Suassuna ◽  
Albanisa Pereira de Lima Santos ◽  
...  
Keyword(s):  
Soil Water ◽  
Water Availability ◽  
Castor Bean ◽  
Ricinus Communis ◽  
Block Design ◽  
Organic Fertilizer ◽  
Water Levels ◽  
Experimental Unit ◽  
Ricinus Communis L ◽  
E Mail

CRESCIMENTO E PRODUÇÃO DA MAMONEIRA BRS GABRIELA EM FUNÇÃO DA ADUBAÇÃO ORGÂNICA E NÍVEIS DE ÁGUA  EVANDRO FRANKLIN DE MESQUITA1; FRANCISCO VANIES DA SILVA SÁ2; PAULA LORRANE MELO DE JESUS3; CESENILDO FIGUEIREDO SUASSUNA3; ALBANISA PEREIRA DE LIMA SANTOS 3 E EMANOELA PEREIRA DE PAIVA4 1Engenheiro Agrônomo, Doutor em Engenharia Agrícola, Professor Adjunto, Centro de Ciências Humanas e Agrarias (CCHA), Universidade Estadual da Paraíba (UEPB), Catolé do Rocha, PB, e-mail: [email protected] Engenheiro Agrônomo, Doutorando em Engenharia Agrícola, Universidade Federal de Campina Grande – UFCG, Centro Tecnologia e Recursos Naturais – CTRN, Campina Grande - PB, Brasil. E-mail: [email protected] Licenciado em Ciências Agrárias, Centro de Ciências Humanas e Agrarias (CCHA), Universidade Estadual da Paraíba (UEPB), Catolé do Rocha, PB, e-mail: [email protected]; [email protected]; [email protected] Engenheira Agrônomo, Doutoranda em Fitotecnia, Departamento de Ciências Vegetais, Universidade Federal Rural do Semi-Árido (UFERSA), Mossoró, RN. E-mail: [email protected].  1 RESUMO Objetivou-se estudar o crescimento e a produção da mamoneira (Ricinus communis L.) BRS Gabriela em função de doses de matéria orgânica e água disponível no solo. O experimento foi conduzido no período de agosto de 2013 a janeiro de 2014, em estufa agrícola nas dependências da Universidade Estadual da Paraíba, Campus IV, Catolé do Rocha-PB. O delineamento experimental adotado foram os blocos casualizados e os tratamentos foram distribuídos em esquema fatorial 5 x 4, sendo o primeiro fator constituído por 5 doses de húmus de minhoca a base de esterco bovino (0; 5; 10; 15 e 20 % do volume do vaso) e o segundo em 4 níveis de água disponível no solo (70; 80; 90 e 100%), resultando em 20 tratamentos, com três repetições e 1 planta por repetição, totalizando 60 unidades experimentais. Cada unidade experimental foi constituída de um vaso plástico com capacidade para 30 L e uma planta de mamoneira BRS Gabriela. Aos 120 dias após a semeadura as plantas foram avaliadas quanto ao crescimento e produção. De maneira geral o maior crescimento foi alcançado pelas plantas cultivadas nos maiores regimes hídricos e adubadas com 6 L de húmus. Respostas positivas da adubação orgânica sob a produção da mamoneira forma obtidas em condições de disponibilidade de água superiores a 90% da capacidade de campo. As plantas cultivadas com 100% da disponibilidade de água no solo, sob a dose de 6L de húmus de minhoca a base de esterco bovino obtiveram as maiores produções. Palavras-chave: Ricinus communis L., irrigação, húmus de minhoca.  MESQUITA, E.F.; SÁ, F.V.S.; JESUS, P.L.M.; SUASSUNA, C.F.; SANTOS, A. P. L.; PAIVA, E.P.GROWTH AND PRODUCTION OF CASTOR BRS GABRIELA A FUNCTION OF ORGANIC FERTILIZER AND WATER LEVELS  2 ABSTRACT Aimed to study the growth and production of castor bean (Ricinus communis L.) BRS Gabriela as a result of the levels of organic matter and soil water availability. The experiment was conducted from August 2013 to January 2014, in a greenhouse on the premises of the State University of Paraíba, Campus IV, Catolé Rocha-PB, Brazil. The experimental design was a randomized block design and the treatments were arranged in a factorial 5 x 4, with the first factor consists of 5 doses of earthworm humus as a base of cattle manure (0, 5, 10, 15 and 20% of vessel volume) and the second in four levels of available soil water (70, 80, 90 and 100%), resulting in 20 treatments with three replications and 1 plant per repetitions, totalizing 60 experimental units. Each experimental unit consisted of a plastic container with a capacity of 30 L and a castor bean plant BRS Gabriela. At 120 days after planting we evaluated growth and production. In general the highest growth was achieved by plants grown in the largest water regimes, fertilized with 6 L of earthworm humus. Positive responses of organic fertilizer in the production of castor bean form obtained in water availability conditions above 90% of field capacity. Plants grown with 100% availability of water in the soil, in the dose of 6L earthworm humus the basis of manure obtained the highest yields. Keywords: Ricinus communis L., irrigation, earthworm humus 

scholarly journals Variation of plant and fruit traits in native Mexican costeño pepper

2018 ◽  
Vol 36 (3) ◽  
pp. 399-407
Author(s):  
Eric G Santiago-Luna ◽  
José C Carrillo-Rodríguez ◽  
José L Chávez-Servia ◽  
Catarino Perales-Segovia ◽  
Elena Heredia-Garcia
Keyword(s):  
Block Design ◽  
Principal Component ◽  
Dry Weight ◽  
Fruit Weight ◽  
Flowering Plant ◽  
Average Weight ◽  
Phenotypic Variance ◽  
Fruit Traits ◽  
Randomized Block Design ◽  
Agronomic Potential

ABSTRACT In a collection of costeño peppers conserved by indigenous producers from the municipalities of Santa Maria Tonameca and Santo Domingo de Morelos, Oaxaca, Mexico, a description and classification of agromorphological variation was undertaken by characterization of 46 populations in a greenhouse distributed under complete randomized block design with three replicates. Days to first flowering, plant and fruit traits and yield per plant were evaluated. Significant differences were detected for all traits except for plant height at 120 days after planting. In a principal component analysis, the variables of green and dry weight of 15 fruits, average fruit weight, number of fruits and yield per plant were the characteristics with major descriptive value for the total phenotypic variance. In addition, two patterns of agromorphological variation were determined; for productivity, one was highly variable and integrated with pepper populations from La Oscurana, Villa Unión and San Juanito communities, and the other was integrated with less variable populations, such as those from Las Pilas. These phenotypic patterns were confirmed in a cluster analysis, where five phenotypic groups were statistically significantly different. Complementarily, an inverse relationship was determined between number of fruits per plant and average fruit weight in ten populations that presented high agronomic potential; a yield greater than 500 g per plant, more than 100 fruits per plant and an average weight greater than 3.9 g per fruit were detected.

scholarly journals Mineral fertilization with macronutrients in castor bean, lineage UFRB 222

2020 ◽  
Vol 24 (2) ◽  
pp. 106-114
Author(s):  
Antonio R. Cavalcante ◽  
Washington B. de Lima ◽  
Lucia H. G. Chaves ◽  
Josely D. Fernandes ◽  
Felipe G. de Souza ◽  
...  
Keyword(s):  
Leaf Area ◽  
Castor Bean ◽  
Ricinus Communis ◽  
Block Design ◽  
Growth And Yield ◽  
Mineral Fertilization ◽  
Randomized Block Design ◽  
Applied Dose ◽  
Total Seed ◽  
Reference Doses

ABSTRACT The study was conducted to evaluate the effect of mineral fertilization on the growth and production of seeds and oil of castor bean (Ricinus communis L.) lineage UFRB 222. The experiment was carried out in a greenhouse of the Centro de Tecnologia e Recursos Naturais at the Universidade Federal de Campina Grande, PB, Brazil. A randomized block design with three repetitions and 14 treatments originated from a Baconian matrix was adopted. Reference doses were 50:300:150 kg ha-1 of N, P2O5 and K2O. At the end of the study, plant height, stem diameter, number of leaves, leaf area, total seed number, total seed weight, total fruit number and oil production per plant were evaluated. On average, the nitrogen dose of 150 kg ha-1 led to adequate values of growth and yield variables. For plant growth, 300 kg ha-1 of phosphorus should be applied, since the differences in the increase of growth variables between this dose and the highest ones estimated by the equations were very small; for castor bean production, the best applied dose was 600 kg ha-1 of phosphorus. The application of potassium increased the leaf area, number of seeds and production of oil, and the best dose was 300 kg ha-1. Phosphorus was the nutrient that promoted the highest production of oil per plant (92.40 g), followed by nitrogen (75.55 g) and potassium (72.10 g).

Combining ability and heterosis studies across environments in linseed (Linum usitatissimum L.)

2011 ◽  
Vol 59 (1) ◽  
pp. 87-102 ◽  
Author(s):  
S. Sood ◽  
N. Kalia ◽  
S. Bhateria
Keyword(s):  
Seed Yield ◽  
Linum Usitatissimum ◽  
Combining Ability ◽  
Yield Components ◽  
Block Design ◽  
Linum Usitatissimum L ◽  
Randomized Block Design ◽  
Component Traits ◽  
Parental Lines ◽  
Fibre Yield

Combining ability and heterosis were calculated for fourteen lines of linseed in a line × tester mating design using twelve lines and two diverse testers in two different environments. The hybrids and parental lines were raised in a completely randomized block design with three replications to investigate seed and fibre yield and their component traits. Genetic variation was significant for most of the traits over environments. Combining ability studies revealed that the lines KL-221 and LCK-9826 were good general combiners for seed yield and most of its components, whereas LMH-62 and LC-2323 were good general combiners for yield components only. Moreover, KL-221 was also a good general combiner for fibre yield. Similarly, B-509 and Ariane were good general combiners for fibre yield and most of its components. Among the specific cross combinations, B-509 × Flak-1 was outstanding for seed yield per plant and B-509 × KL-187 and LC-2323 × LCK-9826 for fibre yield per plant, with high SCA effects. In general, the hybrids excelled their respective parents and the standard checks for most of the characters studied. Based on the comparison of mean performance, SCA effects and the extent of heterosis, the hybrids LC-2323 × LCK-9826 and B-509 × KL-221 appeared to be the most promising for both seed and fibre yield. Other promising combinations were LC-2323 × KL-210 and B-509 × Ariane for seed and fibre yield, respectively. The superiority of LC-2323, LCK-9826, KL-221, B-509 and Ariane as good general combiners was further confirmed by the involvement of these parents in the desirable cross combinations.

scholarly journals Attributes of the soil fertilized with sewage sludge and calcium and magnesium silicate

2015 ◽  
Vol 19 (11) ◽  
pp. 1107-1113 ◽  
Author(s):  
Geraldo R. Zuba Junio ◽  
Regynaldo A. Sampaio ◽  
Altina L. Nascimento ◽  
Luiz A. Fernandes ◽  
Natália N. de Lima ◽  
...  
Keyword(s):  
Sewage Sludge ◽  
Cation Exchange ◽  
Cation Exchange Capacity ◽  
Ricinus Communis ◽  
Block Design ◽  
Magnesium Silicate ◽  
Exchange Capacity ◽  
Sludge Compost ◽  
Sewage Sludge Compost ◽  
Randomized Block Design

ABSTRACTThis study aimed to evaluate the chemical attributes of an Inceptisol cultivated with castor bean (Ricinus communis L.), variety ‘BRS Energia’, fertilized with sewage sludge compost and calcium (Ca) and magnesium (Mg) silicate. The experiment was conducted at the ICA/UFMG, in a randomized block design, using a 2 x 4 factorial scheme with three replicates, and the treatments consisted of two doses of Ca-Mg silicate (0 and 1 t ha-1) and four doses of sewage sludge compost (0, 23.81, 47.62 and 71.43 t ha-1, on dry basis). Soil organic matter (OM), pH, sum of bases (SB), effective cation exchange capacity (CEC(t)), total cation exchange capacity (CEC(T)), base saturation (V%) and potential acidity (H + Al) were evaluated. There were no significant interactions between doses of sewage sludge compost and doses of Ca-Mg silicate on soil attributes, and no effect of silicate fertilization on these attributes. However, fertilization with sewage sludge compost promoted reduction in pH and increase in H + Al, OM and CEC. The dose of 71.43 t ha-1 of sewage sludge compost promoted the best soil chemical conditions.

scholarly journals Heterobeltiosis in French Marigold (Tagetes patula L.)

2016 ◽  
Vol 8 (8) ◽  
pp. 182
Author(s):  
Kanwar Priyanaka ◽  
Y. C. Gupta ◽  
S. R. Dhiman ◽  
R. K. Dogra ◽  
Sharma Madhu ◽  
...  
Keyword(s):  
Rainy Season ◽  
Quantitative Traits ◽  
Block Design ◽  
Tagetes Patula ◽  
Male Sterile ◽  
Randomized Block Design ◽  
Parental Material ◽  
The Mean ◽  
Parental Lines ◽  
Better Than

<p>The studies on heterosis were carried with four male sterile lines namely; ms<sub>7</sub>, ms<sub>8</sub>, ms<sub>9,</sub> ms<sub>10</sub> and 18 diverse pollinators as tester by using line × tester crossing programme. The 72 F<sub>1</sub> hybrids were produced and evaluated along with 22 parental lines during summer 2009 and rainy season 2009 in Randomized Block Design. Observations were recorded on nine quantitative traits during both the seasons. Highly significant variances for all the traits indicated the sufficient variability in the parental material for all the characters under study. The performance of F<sub>1</sub> hybrids was much better than the mean performance of parents during both the crop seasons. Appreciable heterosis was observed in all the characters, except flower weight in summer and plant height in rainy season.</p>

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