scholarly journals Pendugaan Komponen Ragam, Heritabilitas dan Korelasi untuk Menentukan Kriteria Seleksi Cabai (Capsicum annuum L.) Populasi F5

2012 ◽  
Vol 1 (2) ◽  
pp. 74 ◽  
Author(s):  
Muhamad Syukur ◽  
Sriani Sujiprihati ◽  
Rahmi Yunianti ◽  
Khaerin Nida
Keyword(s):  
Genetic Variability ◽  
Path Analysis ◽  
Selection Criteria ◽  
Fruit Weight ◽  
Research Station ◽  
Broad Sense Heritability ◽  
Agronomic Characters ◽  
High Coefficient ◽  
Quantitative Characters ◽  
Fruit Diameter

<p>ABSTRACT</p><p><br />Information on genetic variability and correlation between quantitative characters with yield are important for support the selection program. The objective of the research was to estimate the genetic variability, heritability, and path analysis on agronomic characters to determine the selection criteria in the chili. This research was conducted at Research Station of Leuwikopo, Darmaga, Bogor from November 2009 until May 2010. This research observed all populations i.e. F5 population: 320 plants, IPB C2 population: 20 plants, and <br />IPB C5 population: 20 plants. The results showed that total fruit weight, thick and fruit diameter, middle fruit diameter, blossom end fruit diameter, fruit weight, and days to flowering have a high broad sense heritability . High coefficient of genetic variability values were obtained ini number of fruits per plant, fruit wei ght, stem diameter, fruit diameter, and fruit weight. Based on the heritability, genetic variability, correlations analysis and path analysis, characters that can be used as selection criteria in this study is the number of fruit per plant, fruit weight, and fruit diameter.</p><p><br />Key words: genetic variability, heritability, path analysis, selection</p>

scholarly journals ASSOCIATIONS BETWEEN TRAITS IN FISÁLIS: A TOOL FOR INDIRECT SELECTION OF SUPERIOR PLANTS

2017 ◽  
Vol 39 (4) ◽  
Author(s):  
NICOLE TREVISANI ◽  
RITA CAROLINA DE MELO ◽  
MAURO PORTO COLLI ◽  
JEFFERSON LUÍS MEIRELLES COIMBRA ◽  
ALTAMIR FREDERICO GUIDOLIN
Keyword(s):  
Path Analysis ◽  
Pearson Correlation ◽  
Block Design ◽  
Correlation Coefficients ◽  
Indirect Selection ◽  
Fruit Weight ◽  
Physalis Peruviana ◽  
Randomized Block Design ◽  
Number Of Seeds ◽  
Fruit Diameter

ABSTRACT Knowledge about associations between traits is fundamental for plant breeding, since indirect selection can accelerate the development of promising genotypes. This study assessed the magnitude of associations between agronomically important traits in fisális (Physalis peruviana L). The experiment was conducted in Lages, Santa Catarina, and the treatments consisted of six fisális populations. The experiment was arranged in a randomized block design, with two replications and seven plants per plot. The correlations between traits were estimated based on the Pearson correlation coefficients and partitioned into direct and indirect effects through path analysis. Fruit weight was positively correlated with number of seeds (0.874), equatorial fruit diameter (0.738) and polar fruit diameter (0.672). By path analysis, number of seeds was identified as the trait with the highest direct contribution to fruit weight. The high phenotypic correlations between the equatorial and polar fruit diameters with fruit weight were mainly due to the indirect effect via number of seeds (0.505 and 0.459). The selection for heavier fisális fruits was strongly influenced by number of seeds, i.e., this trait should be taken into account for selection.

scholarly journals Pengembangan Kriteria Seleksi untuk Perakitan Terung (Solanum melongena L.) Berdaya Hasil Tinggi

2017 ◽  
Vol 45 (2) ◽  
pp. 182 ◽  
Author(s):  
Faradila Danasworo Putri ◽  
Sobir , ◽  
Muhamad Syukur ◽  
Dan Awang Maharijaya
Keyword(s):  
Genetic Diversity ◽  
Path Analysis ◽  
Solanum Melongena ◽  
Fruit Weight ◽  
Stem Length ◽  
Fruit Length ◽  
Experimental Field ◽  
Correlation And Path Analysis ◽  
Fruit Diameter ◽  
Estimated Heritability

<p>Eggplants (Solanum melongena L.) are consumed worldwide in a variety of colors, shapes and sizes, thus vegetable plant breeders place great interest in developing high yielding genotypes in response to the population growth and the need to increase vegetable production. This research was aimed to determine the proper character as selection character for breeding high yielding eggplants by using estimated heritability value, coefficient of genetic diversity, characters correlation and path analysis. The experiment was conducted during 2014 to August 2015 at Cikabayan Experimental Field, Tajur Experimental Field and Pasir Sarongge Experimental Field, IPB, West Java. A total of 12 characters was observed in the 25 genotypes. Eleven characters has a high estimated heritability value and high coefficient of genetic diversity value. Those characters were time of flowering, time of harvest, fruit length, fruit weight, fruit diameter, plant height, stem length, fruit apical scar length, calyx length, the number of fruits per plant and fruit weight per plant. Results of correlation and path analysis showed that fruit length, fruit weight, fruit diameter, stem diameter, calyx length and number of fruits per plant have a direct positive effect on fruit weight per plant. Fruit weight, fruit diameter and number of fruits per plant are suitable characters in determining the selection criteria for developing high productivity eggplant.<br /><br />Keywords: path analysis, correlation, heritability, genetic diversity coefficient<br /><br /><br /></p>

scholarly journals Study of multivariate analysis of quantitative traits in Iranian pumpkin lines

Genetika ◽  
2017 ◽  
Vol 49 (2) ◽  
pp. 425-433
Author(s):  
Mehrab Yadegari ◽  
Mohammad Ansari
Keyword(s):  
Cluster Analysis ◽  
Seed Yield ◽  
Selection Criteria ◽  
Quantitative Traits ◽  
Indirect Selection ◽  
Fruit Weight ◽  
Diameter Ratio ◽  
Fruit Length ◽  
Yield Production ◽  
Fruit Diameter

In this study, seed yield production and its different components fruit length, fruit diameter, fruit length/fruit diameter ratio (FL/FD), diameter of flesh, diameter of seed core, fruit weight, weight of 1000 seed from 24 lines of pumpkin grown in Iran was examined. Twenty-five characters in all plant lines were measured by Descriptor (UPOV) and data were subjected to cluster analysis. Results showed that plants lines were divided in four groups. In all groups, regression comparisons were made for modeling the effect of different characters on seed yield, results also showed that fruit weight and fruit length in all groups had the most direct effect on seed yield. In conclusion, these traits are suggested as the best indirect selection criteria to improve the seed yield genetically in Cucurbita spp. genotypes especially in preliminary generation of breeding and selection programs.

Evaluation of okra (Abelmoschus esculentus L. Moench) genotypes for important quantitative characters

2020 ◽  
Vol 1 (1) ◽  
pp. 1-5
Author(s):  
Abdul Ansari ◽  
◽  
Ekhlaque Ahmad ◽  
Nazrussalam Nazrussalam ◽  
D.N Singh ◽  
...  
Keyword(s):  
Block Design ◽  
Fruit Weight ◽  
Abelmoschus Esculentus ◽  
Research Station ◽  
Plateau Region ◽  
Quantitative Characters ◽  
Randomized Block Design

An experiment was carried out during kharif 2017 at Zonal Research Station, Chianki using sixteen promising genotypes of okra with three replications in randomized block design. Observations on ten important quantitative characters were recorded. Analyzed data revealed that all characters showed significant effect. The genotype Ajeet-121 gave significantly highest yield with the yield of 135.12 q/ha followed by NS-862 and Super green with the yield of 134.75 q/ha and 134.02 q/ha, respectively. Average fruit weight (15.33 g) and yield of fruits per plant (245.67 g/plant) were recorded significantly highest in the genotype Ajeet-121. On the basis of these observations, it may be concluded that the genotype Ajeet-121 was found most suitable okra genotype for kharif cultivation in the western plateau region (sub zone-V) of Jharkhand.

scholarly journals Correlation and Path Analysis Quantitative Character of 20 Genotype Chilli (Capsicum annuum L.)

2020 ◽  
Vol 2 (1) ◽  
pp. 10-18
Author(s):  
Yunandra Yunandra ◽  
Muhamad Syukur ◽  
Elza Zuhry ◽  
Deviona Deviona ◽  
Deviona Deviona
Keyword(s):  
Path Analysis ◽  
Direct Effect ◽  
Fruit Weight ◽  
Leaf Length ◽  
Leaf Width ◽  
Effect On Yield ◽  
Positive Direct ◽  
Pericarp Thickness ◽  
Fruit Diameter ◽  
Selection Of

ABSTRACT Chili high yield is the target of plant breeding. High yielding chili selection can be done through direct selection of yield characters and indirectly through other characters. Indirect selection is more efficient than the selection of one character. This research aims to study the relationship between quantitative characters with yield as well as obtaining the selection criteria. Correlation analysis results showed that the fruit weight, fruit diameter, pericarp thickness, leaf width, and leaf length were positively correlated and were very significant on yield. Based on the path analysis, characters that have a positive direct effect on yield are fruit weight, fruit diameter, leaf width, and leaf length, while pericarp thickness had a negative direct effect but had a large indirect effect on yield.

scholarly journals Genetic variability in bulgarian melon collection - flowering types and fruit quantitative traits

Genetika ◽  
2021 ◽  
Vol 53 (2) ◽  
pp. 545-558
Author(s):  
Zhana Ivanova ◽  
Nikolay Velkov
Keyword(s):  
Genetic Variability ◽  
Principal Component ◽  
Initial Step ◽  
Sex Expression ◽  
Fruit Weight ◽  
Breeding Program ◽  
Soluble Solids ◽  
Fruit Traits ◽  
Fruit Length ◽  
Fruit Diameter

Cucumis melo L. is characterized with a great polymorphism according to many agronomical features. Study the variability of melon flowering and fruit traits is an initial step in the breeding program. The current study aimed to identify the genetic variability in the melon collection according to flowering and fruit traits in order to be used in breeding programs. It was evaluated fifty melon genotypes belong to different groups - cantalupensis, reticulatus, makuwa, inodorus, and agrestis. The studied collection consists of Bulgarian old cultivars, hybrids, landraces, PI, and introduced lines. Investigated genotypes were characterized by nine quantitative fruit traits - days to flowering, sex expression, days to ripening, fruit length, fruit diameter, flesh thickness, fruit weight, seed cavity diameter, and total soluble solids. It was established great variability in studied characteristics measured by a coefficient of variation from 7.73 to 39.85%. Significant correlations between fruit length, fruit diameter, flesh thickness, cavity diameter, and fruit weight were established. Principal component analysis grouped variables into three components which explain 69.89% of the total variation. Cluster analysis divided genotypes into six groups of similarities. Among the genotypes examined, they have a relatively high level of variability and their polymorphism could be used in a breeding program aimed at combining valuable characters.

scholarly journals DETERMINATION OF SELECTION CRITERIA FOR TOMATO (SOLANUM LYCOPERSICUM L.) YIELD COMPONENT IN THE LOWLAND BASED ON PATH ANALYSIS

2018 ◽  
Vol 3 (1) ◽  
pp. 34-41
Author(s):  
Marlina Mustafa ◽  
Muhamad Syukur ◽  
Surjono Hadi Sutjahjo ◽  
S. Sobir
Keyword(s):  
Path Analysis ◽  
Selection Criteria ◽  
Block Design ◽  
Fruit Weight ◽  
Yield Component ◽  
Relationship Closeness ◽  
Solanum Lycopersicum L ◽  
Randomized Block Design ◽  
High Heritability ◽  
High Production

The shifting of tomatoes cultivation from upland to lowland led to a significant decrease of tomatoes production, particularly on tomatoes varieties which are not able to adapt to lowland. Genotypes selection based on appropriate selection criteria is the most effective method to obtain tomatoes genotypes with high production in the lowland. The aim of this study was to determine appropriate selection criteria in the lowland based on high heritability value, high phenotype and genotype  correlation to production component, and character relationship closeness with production component through path analysis. This study used a randomized block design with three replications. Selection criteria was chosen based on high heritability value, significant correlations in phenotype and genotype and its high direct impact on fruit weight per plant which were the number of fruits per plant and weight per fruit characters 

scholarly journals Mean performance and heritability studies of some ridge gourd (Luffa acutangula L.) genotypes

2019 ◽  
Vol 6 (1) ◽  
pp. 45-55
Author(s):  
Nusrat Jahan Methela ◽  
Mohammad Shafiqul Islam ◽  
Nazmunnahar Mitu ◽  
Md Abdul Latif
Keyword(s):  
Block Design ◽  
Fruit Weight ◽  
Research Station ◽  
Fruit Length ◽  
Randomized Complete Block Design ◽  
High Heritability ◽  
The Mean ◽  
Luffa Acutangula ◽  
Weight Number ◽  
Fruit Diameter

In the present investigation, 29 genotypes of ridge gourd were grown during 2016-2017 at the experimental field of Regional Horticulture Research Station, Patuakhali, Bangladesh. The experiment was laid out in randomized complete block design with three replications. The mean sum of squares is due to various sources of variance for different characters of ridge gourd genotypes. The results indicated highly significant variation among the genotypes for the 11 characters studied viz., such as fruit length, fruit diameter, single fruit weight, number of fruits per plant, yield of fruit per plant. The genotype BD2975 showed the highest performance in fruit length (42.05cm) and weight of fruits (258.90g). While the genotype PK3 showed the highest performance in number of fruits per plant (28.67), respectively. Of eleven traits, eight showed high heritability (over 80%). The highest genotypic and phenotypic coefficients were recorded in the parameter fruit yield per plant (39.59% and 40.96%). Res. Agric., Livest. Fish.6(1): 45-55, April 2019

scholarly journals RELATIONSHIP BETWEEN YIELD AND FRUIT QUALITY OF PASSION FRUIT C03 PROGENIES UNDER DIFFERENT NUTRITIONAL LEVELS

2017 ◽  
Vol 39 (2) ◽  
Author(s):  
CARLOS LACY SANTOS ◽  
ALEXANDRE PIO VIANA ◽  
MARTA SIMONE MENDONÇA DE FREITAS ◽  
ALMY JUNIOR CORDEIRO DE CARVALHO ◽  
DANIELE LIMA RODRIGUES
Keyword(s):  
Path Analysis ◽  
Direct Effect ◽  
Fruit Quality ◽  
Recurrent Selection ◽  
Block Design ◽  
Fruit Weight ◽  
Passion Fruit ◽  
Phenotypic Correlation ◽  
Effect On Yield ◽  
Fruit Diameter

ABSTRACT The present study was conducted to evaluate different fertilization-management strategies in ten progenies of passion fruit from the third recurrent selection cycle and their effects on yield and fruit-quality traits. For this purpose, we adopted the strategy of correlations analysis, using the phenotypic and path correlations in different environmental conditions characterized by three levels of fertilization. The trial was set up as a randomized-block design in a split-plot arrangement with progenies representing the plots and three levels of potassium-nitrogen fertilization as the sub-plots, with three replicates. Path analysis showed that number of fruits was the variable of highest correlation with fruit diameter at fertilization I. Fruit weight and pulp weight were correlated with each other and with other traits like fruit length and fruit diameter at the three fertilization levels, except for number of fruits, which was correlated with nitrogen and potassium only at fertilization II. Path analysis also revealed that fruit diameter (3.125) showed the highest direct effect on yield at fertilization I. However, fruit weight and number of fruits showed, at fertilization II, the highest direct effects of 2.964 and 1.134 on yield, respectively, and number of fruits had a high phenotypic correlation and direct effect on yield at the three fertilization levels: 0.528 at fertilization I; 2.206 at fertilization II; and 0.928 at fertilization III. The results demonstrate the greater direct effect obtained with fertilization II, suggesting that the level adopted at fertilization II can provide satisfactory gains in yield and is thus recommended for the population in question.

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