The tender unripe fruits are commonly cooked as a vegetable. Heterosis and nature of gene action in okra abelmoschus. Okra abelmoschus esculentus l is commonly known as bhindi or ladys finger belonging to family malvaceae. The greenish yellow edible oil has a pleasant taste and odor, and is high in unsaturated fats such as oleic acid and linoleic acid. However, despite high heterotic values, it is very difficult to produce hybrid okra. Okra simple english wikipedia, the free encyclopedia. Substitutes, ingredients, equivalents gourmetsleuth. Only 3 to 4 days are required from the time the okra flower opens until the pod reaches harvest maturity.
Moench higher costs have limited greater exploitation of the heterotic potential of okra hybrids and reduced seed availability for growers. Evidence of noncompliance may be reported through your local extension office. For good yields, okra must grow in full sunlight in fertile, welldrained soil. The results revealed wide range of heterotic pattern for different traits. Moench cultivars for dry season production in the southern guinea savanna ecology of nigeria g.
Varietal performance and correlation of okra pod yield and. Muawiyah governed the geographically and politically disparate caliphate, which now spread from north africa in the west to afghanistan in the east, by strengthening the power of his allies in the newly conquered territories. Amaryl lids to download pdf you need some things, like my website and the name of the file. Preserving okra extension programs and employment are available to all without discrimination.
Agronomic traits of okra cultivars under agroclimatic conditions of baffa kpk, pakistan zobia naheed1, aftab ayyaz2, adil rehman3, noor alam khan4, sahibzada qayyum ahmad5, f. Okra abelmoschus beterosis belongs to the malvaceae family and originates heterosos africa. Okra abelmoschus esculentus are known in many englishspeaking countries as ladys fingers or gumbo is a flowering plant in the mallow family, related to cotton and hibiscus. The pods were brought to the us by ethiopian slaves. Abelmoschus esculentus nilesh jain1, ruchi jain1, vaibhav jain1 and surendra jain1 1sagar institute of research and technology pharmacy, sirt campus, ayodhya bypass road, bhopal, madhya pradesh, india.
Open access library journal how to cite this paper. However, the sca variances were higher in magnitude than respective gca variances for all the characters and the potence ratio less than unity for all the characters suggested preponderance of nonadditive gene action for all the traits and emphasized the utility of hybrid breeding approach to exploit existing heterosis in okra. High estimates of heterosis obtain in hybrid combinations revealed considerable genetic divergence among. These advantages have heferosis been shown by others mehta et al. Fruits of abelmoschus esculentus are cylindrical to pyramidal, whereas fruits of abelmoschus caillei are ovoid. Okra is native to the tropics of the eastern hemisphere and is widely cultivated in the tropics and subtropics of the western hemisphere. Pdf heterosis in okra hybrids obtained by hybridization. Breeding methods for vegetables, self, cross and asexually propagated crops slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Moench the results revealed that the standard heterosis for fruit yield per plant was maximum in.
To study heterosis in okra material and method fifteen f 1 hybrids derived from 6 varieties of abelmoschus esculentus were grown during the summer of 1986. Scientific communication heterosis in okra hybrids obtained by hybridization of two methods. Iqra ibrar1, muhammad hammad nadeem tahir2, azhar mehmood1 and muhammad rizwan bashir3 download pdf file. Currently, varieties predominate over hybrid seeds in fruit production. File powder dried sassafras leaves that have been ground into a fine powder can be used in place of okra to thicken gumbo. The oil content of the seed is quite high at about 40%. Abstract medicinal plants are the natures gift to human being to have diseasefree healthy life. Okra can grow to around 75cm wide and 120180cm tall. Okra fruit contains 2050, oval, smooth, dark green to dark brown seeds. In recent years, however, it has become an important commercial crop in certain localities in the south, where thousands of tons of the pods are grown for the large soup companies. High heterosis values can be obtained using hybrid okra seeds. Pdf estimation of heterosis in okra abelmoschus esculentus for.
Heterosis is one of the greatest practical achievements of plant breeding and has been extensively used in crop improvement in okra. Okra alone is generally considered too gooey, or mucilaginous, to suit american tastes. Okra is used in gumbo both for flavor and as a thickener. Okra oil is a pressed seed oil, extracted from the seeds of the okra. Heterosis for yield and yield components in okra abelmoschus.
Okra is an important vegetable as its contribution to ghanas agricultural gross domestic production g. Introduction molecular studies on okra yellow veins mosaic virus oyvmv biotypes page 1 chapter 1 introduction 1 introduction. Moench is important member of malvaceae and commonly known as okra in india. Not only did the c4, c5 and c6 contrasts show the superiority of these three hybrids, regardless of seed hybridization method, they also demonstrated the heterosis of the hybrids and the. General combining ability gca was highly significant. Moench with the objectives of identifying the general combining ability of parents and specific combining ability of crosses and to assess the magnitude of heterosis for yield and yield related.
Okra, heterosis breeding, line x tester analysis, okra breeding okra abelmoschus esculentus l. In okra abelmoschus esculentus l moensch, heterosis over the midparental values was manifested in all the characters studied. The geographical origin of okra is disputed, with supporters of west african, ethiopian, and south asian origins. Estimation of hybrid vigour for fruit yield and quality traits of okra. Agronomic traits of okra cultivars under agroclimatic. However, npk fertilizer is very expensive and therefore increases cost of production. With this information, heterosis in okra can be exploited regardless of the method used to obtain hybrid sees. Literature references on common okra have to be interpreted with care because they may include information related to.
Jbar diallel analysis heterosis single cross maize hybrids. Though native of tropical africa, it is a prized vegetable of india. The key to maintaining okra production continuously throughout the summer is to harvest regularly. If you do not have file powder available, cornstarch or flour can be used in place of okra as a thickener. Studies on heterosis in okra abelmoschus esculentus l moench. Field irrigation experiments were conducted to assess the varietal performance and correlation of pod yield and yield attributes under irrigation at the teaching and research farm, university of maiduguri, nigeria, during the 2015 and 2016 dry seasons.
However, it adds a flavor similar to root beer to the gumbo. The mean squares of the genotypes were highly significant except plant height cm and pod length cm. However, the exploitation of hybrid vigour in okra has been recognized. On the basis of his experiments beal 18771882 concluded that f 1 hybrids yield as much as 40 percent more of the parental varieties from subsequent studies on intervarietal crosses in maize, it was observed that some of the hybrids show heterosis. Madaria2 main oilseeds research station, junagadh agricultural university, junagadh gujarat india abstract heterosis for pod yield and its components was studied in a set of line x tester crosses of 8 lines and. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Pdf heterosis and combining ability for yield traits in. Studies on heterosis in okra abelmoschus esculentus l. Heterosis in okra pdf in our study, 24 hybrids obtained by diallel cross between ecotypes of okra were subjected to analysis of their combining ability effects and hybrid vigor. Heterosis in okra hybrids obtained by hybridization of two methods.
If you continue browsing the site, you agree to the use of cookies on this website. A field experiment was undertaken to study heterosis and combining ability studies on yield and quality parameters in okra abelmoschus esculentus l. Major problem in okra cultivation is lack of high yielding. Hossain krishi vigyan kendra, uttar banga krishi viswavidyalaya, kalimpong734301, darjeeling 1 department. Okra is best when purchased fresh but it is available canned and frozen. Moench, 2n 2x is a fast growing annual herb the young seed pods of which are used as a common vegetable. Soil preparation work the soil only when it is dry enough not to stick to garden tools. Okra, a herbaceous hairy annual plant of the mallow family and its edible podlike fruits. Hamid6, abdul waheed7, syed asghar8, muhammad shirin khan9 1,5,8,9 agricultural research station, baffa, mansehra, khyber pakhtunkhwa, pakistan. Line tester analysis of combiningabilitv and heterosis for some economic characters in okra. It is also fried and served as a side dish or as part of a salad. Azzuhri stated that muawiya led the hajj pilgrimage with the people twice during his era as caliph. I ordered ground okra on line and tried it in a gumbo along with a light roux.
We evaluated fruit production per plant, fruits per plant, number of branchess per plant, superiority of hybrids relative to parents h and heterosis %. The study of heterosis would help in selection of heterotic crosses for. Studies on the combining ability and heterosis in okra abelmoschus esculentus moench l. For this reason, okra must be harvested at least every other day.
Iorlamen3 1,3department of crop production, university of agriculture, makurdi, nigeria. Okra is a multipurpose crop due to its various uses of the fresh leaves, buds, flowers, pods, stems. Be very careful with dried ground okra as it only takes a little bit to go a long way. Okra as a valuable vegetable of the world 105 ratar. Studies on the combining ability and heterosis in okra. Heterosis studies in okra abelmoschus esculentus l. Estimation of heterosis in okra abelmoschus esculentus for fruit yield and its components using line. Evaluation for heterosis in okra abelmoschus esculentus l. Determination of heterosis through genetic analysis for some morphological and yield attributes of indian mustard brassica juncea l.
A set of 45 genotypes including 8 females, 4 males, their 32 resultant hybrids and one commercial check variety gao5 were sown during kharif 2012 at vegetable research scheme, regional horticultural research station, navsari agricultural university, navsari to study the magnitude of heterosis using line x tester analysis for twelve characters. Advise to experiment with a measuring cup of water til you get the consistency you like before adding to gumbo. Darwin 1876 also reported that inbreeding in plants results in deterioration of vigour and the crossing in hybrid vigour. Joe masabni department of horticulture texas agrilife extension service varieties burgundy, cajun delight, clemson spineless, dwarf green long pod, emerald, lee, louisiana green velvet, silver queen soil preferences well drained sandy soils with ph 6. Morphological characterization and agronomic evaluation of. Hybrids are very much popular in this crop and the hybrid seed production is based. Twelve okra genotypes were crossed in diallel mating design to generate 66 oneway hybrids for estimating the extent of heterobeltiosis and economic heterosis for yield and earliness in okra. After extraction, the seeds were placed in prelabeled kraft paper bags and stored.