Generation means analysis for fruit yield and its component traits in okra article in indian journal of horticulture 724. The results revealed that both additive and dominance gene effects were significant for majority of the traits. The greenish yellow edible oil has a pleasant taste and odor, and is high in unsaturated fats such as oleic acid and linoleic acid. Generation mean analysis study in cowpea was undertaken to estimate the gene action operating in the inheritance of yield and its components using six basic generations viz. Generation mean analysis in okra abelmoschus esculentus. Okra abelmoschus esculentus is an economically important vegetable crop grown in tropical and subtropical parts of the world. Forty five fis were generated by crossing 10 germplasm lines of okra. Moench, only vegetable crop of malvaceae family have economic importance. Generation mean analysis to estimate genetic parameters of some full length research paper. Okra is a multipurpose crop due to its various uses of the fresh leaves, buds, flowers, pods, stems. Pdf generation mean analysis for earliness related traits in okra. Genetic analysis using generation mean analysis is a tool for designing the most appropriate breeding approaches to developing varieties of rice.
Though, generation mean analysis has been extensively used to understand the gene effects in different crops, but very few reports are available on the use of this technique for understanding the gene effects in okra crop. Anova of combining ability based on mean squares of different characters in okra is. However, generation mean analysis revealed involvement of both additive and nonadditive effects in the inheritance of disease tolerance. Pdf nutritional quality and health benefits of okra. It estimates the gene actions that control quantitative traits, as well as the additive, dominance and epistatic effects. Studies on generation mean analysis for yield and its. Pdf generation mean analysis of water stress tolerance. Generation mean analysis to estimate genetic parameters of some traits for riceweed competitiveness. The nature of gene interaction in the inheritance of yield and its components traits was studied deploying generation mean analysis following 6 parameter models for parents p1 and p2, f1, f2, and b1 and b2 generations of four crosses of indian. Estimating additive, dominance and epistatic effects could be done using generation mean analysis as a quantitative genetic method mather and jinks, 1982. The present investigation, entitled generation mean analysis in okra abelmoschusesculentus l. Generation mean analysis for yield and yield components in mungbean vigna radiata l. Generation mean analysis was carried out to estimate the nature and magnitude of gene effects for fibre quality traits in three crosses of upland cotton gossypium hirsutum l. The study was laid out in randomized complete block design rcbd from march 2008 to july 2008.
Pandey vigna, a pantropical genus comprises about 150 species, most of which are found in asia and africa. Internal report sufpfy9601 stockholm, 11 december 1996 1st revision, 31 october 1998 last modi. Fruit yield, genetic analysis, genetic components, germplasm lines, half. Generation mean analysis with six generations p1, p2, f1, f2, bc1 and bc2 was chosen to study the nature and magnitude of gene effects for yield and yield attributing traits. Fruits of abelmoschus esculentus are cylindrical to pyramidal, whereas fruits of abelmoschus caillei are ovoid. Okra originated in ethiopia 4 and was then propagated in north africa, in the mediterranean, in arabia and india by the 12th century bc 5. The individual and joint scaling tests indicated the presence of epistatic gene effect for all the characters in three crosses.
The studies were undertaken on vegetable research farm, department of horticulture, institute of agricultural sciences, banaras hindu university varanasi, during rainy season of 2006 and 2007. The mean effect was significant and positive in three crosses and was higher in magnitude as. Gene action and combining ability of yield and its. Tillage methods and mca influenced soil physical and chemical properties, performance, mineral and vitamin c contents of okra fruit significantly. Request pdf generation mean analysis for yield traits in okra generation mean analysis involving six generations p1, p 2, f1 f2 b1 and b2 was carried out. Mean squares not given showed significant differences among various genetic generations in all the four crosses, therefore, generation means analysis was applied on all the traits studied to determine the mode of inheritance and the magnitude of gene action for maturity and flowering characteristics.
Generation mean analysis is used to number of branches per plant, number of estimate the component variance which capsules on main stem, number of capsules provides information about the predominant on branches, total number of capsules. Generation mean analysis of water stress tolerance in okra abelmoschous esculentus l. It has rich source of nutrients, minerals and fibers and hence it has also been attractant to. Okra is a multipurpose crop due to its various uses of the fresh leaves, buds, flowers, pods, stems and seeds. Generation mean analysis to estimate genetic parameters. The experimental material comprised of six basic generations, viz. Generation mean analysis of water stress tolerance in okra.
The presence of epistasis was reflected by scaling tests and inadequacy of simple additivedominance model for most of the characters studied. The generation mean analysis was carried out on six generations p 1, p 2, f 1, f 2, b 1 and b 2 of six crosses involving four diverse parents of cauliflower. P1, p2, f1, f2, bc1 and bc2 of two different crosses namely pgcp63 x pant lobia1 and 3 x pant lobia 1 were studied. Generation mean analysis for yield traits in okra request pdf.
The objective of the present investigation was to estimate genetic variance components and type of gene action controlling yield, its components and quality characteristics of some cotton crosses, by means of the six populations p 1, p 2, f 1, f 2, bc 1 and bc 2 of the four cotton crosses. Okra immature fruits pods, which are consumed as vegetables, can be used in salads, soups, and stews, fresh or dried, fried or boiled habtamu et al. Results revealed that the estimated mean effects m were highly significant for all traits in all. Estimation of heritability and genetic advance in okra 491 on plants and fruit yield per plant recorded high genetic advance as per cent mean coupled with high. Generation mean analysis for yield, its components and. Okra is a multipurpose crop due to its various uses of the pods, fresh leaves, buds, flowers, stems, and seeds. The results obtained revealed that the nature and magnitude of gene effects differed in different crosses and showed importance of duplicate epistasis in the inheritance of curd diameter. Generation mean analysis of four crosses of okra abelmoschus esculentus l. The greatest merit of generation mean analysis is that it helps in the estimation of epistatic gene effects. Physiological traits directly related to the tolerance of plant to water stress are selected for inheritance studies in chickpea. Okra is an important vegetable crop of india ranking first across the world in terms of area and production. Generation mean analysis for grain yield and its re lated traits in lentil m. Literature references on common okra have to be interpreted with care because they may include information related to.
Studies on generation mean analysis for yield and its associated traits in okra abelmoschus esculentus l. Srivastav, department of genetics and plant breeding, institute agricultural sciences, banaras hindu. Request pdf on mar 23, 2009, asif ali khan and others published generation mean analysis of water stress tolerance in okra abelmoschous esculentus l. Generation mean analysis for yield and salinity tolerance in rice oryza sativa l. Estimation of generation mean five parameter model for.
Generation mean analysis of grain quality traits in. In order to study mode of gene action in rice for traits related to yield spikelet per panicle, per cent filled grains, grain we ight g and yield per plant and drought tolerance proline content and stomatal behavior, six varieties of. Coefficient of variance, correlation, genetic advance, heritability, okra, path coefficient analysis. Generation mean analysis was undertaken in okra abelmoschus esculentus l. Research article genetic analysis of yield and yield contributing. Combining ability analysis in okra abelmoschus esculentus l. Proximate, mineral, and antinutrient compositions of. The study revealed the importance of both additive and nonadditive types of gene. Thus, the present study confirms that a complicated genetic inheritance pattern is involved in the disease tolerance against yvmv trait. Estimates of variability, heritability and genetic advance as per cent of mean for different characters in okra genotypes.
Generation mean analysis of horticultural traits in mid. Generation mean analysis involving six generations p1, p2, f1, f2, b1 and b2 was carried out to study the nature and magnitude of gene effects for yield and yield attributing traits. Pdf generation mean analysis in indian mustard brassica. Moench involving four parents, namely arka anamika aa, parbhani kranti pk, mohanur local ml, panruti local pl and f1, f2, and f3 generations of three crosses aa. International journal of plant sciences, generation mean. Genetic analysis of maturity and flowering characteristics. The experiment was conducted at the experimental farm, department of horticulture, bangabandhu sheikh mujibur rahman agricultural university, gazipur to evaluate the performance of selected okra genotypes for growth and yield parameter. Generation mean analysis toestimategeneticparametersofsometraitsforriceweedcompetitiveness. Generation mean analysis for yield and yield components in. Generation mean analysis for grain yield and its related. Generation mean analysis was undertaken using three crosses under rainfed condition to ascertain the inheritance of.
Performance evaluation of some selected okra genotypes. Generation mean analysis in okra abelmschuseaculentus l. The pooled data analysis revealed that t 3 recorded maximum plant height 153. Mca increased soil k, ca, mg, okra yield, growth, mineral and vitamin c contents of okra fruits up to 3. Genetic analysis for yield and its components in okra abelmoschus. It belongs to the malvaceae family and known to be originated in ethiopian region of the world. However, average productivity of okra has remained very. Okra oil is a pressed seed oil, extracted from the seeds of the okra. Generation mean analysis for yield and yield components in cowpea vigna unguiculata l. Generation mean analysis using six parameters genetic. Sabesan department of genetics and plant breeding, faculty of agriculture, annamalai university. Hoshmand 1 abstract in order to estimate heritability and gene action for grain yield and its related traits in lentil, six basic generations were evaluated in a r andomized complete block design with. Research article genetic architecture of resistance to yellow vein.
Moench the nature and magnitude of gene action was analyzed using six generation mean for pod yield and yield contributing characters in six inter varietal crosses of okra. Generation mean analysis for yield and salinity tolerance. Article pdf available in pakistan journal of botany 411. Murugan department of plant breeding and genetics, agricultural college and research institute, tamil nadu agricultural university, madurai, tamil nadu 625 104, india corresponding author a b s t r a c t. Pdf okra is the most suitable replacement for traditional paddy cultivation in north indian conditions as two crops of okra can be taken from.
Shahi okra is one of the important vegetable crop grown during spring summer and rainy season. The oil content of the seed is quite high at about 40%. Wadekar navsari agricultural university, navsari396450 gujarat, india corresponding author a b s t r a c t generation mean analysis study in cowpea was undertaken to estimate the pant lobia additive s. Genetic divergence, correlation and path coefficient. Development of novel microsatellite markers in okra abelmoschus esculantus l. Okra is one the commercially exploited vegetable crops which is grown worldwide.
The name okra probably derives from one of nigercongo group of languages the name for okra in the twi language is nkuruma 6. The generation mean analysis involving six generations p1, p2, f1, f2, b1 and b2 was carried out to study the nature and magnitude of. Moench in response to plant density tsvakai mushayabasa, dumisani kona, repson gama department of horticulture, faculty of natural resources management and agriculture, midlands state university, gweru, zimbabwe key words. Genetic control of yellow vein mosaic virus disease. Yield and fruit quality of okra abelmoschus esculentus l. Generation mean analysis for fruit yield and its attributing traits in. Online resources development of novel microsatellite. Review phytochemical, nutritional and pharmacological. It is known locally as bhindi in india and gumbo in england tindall, 1986.
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