The large seeds of okra are easy to separate from the chaff through screening and winnowing. The objective was to evaluate the level of genetic divergence and heritability of eight characters in 2015 and 2016 dry seasons using irrigation. Iorlamen3 1,3department of crop production, university of agriculture, makurdi, nigeria. Early okra is an annual plant while late okra has a perennial tendency singh and bhatnager, 1976. Moench developed from forty double cross derived lines female and three testers male were studied for heterosis of fruit yield and its component traits. Genetic relationships among okra abelmoschus esculentus l. Super hybrid rice in china peng jiming professor china national hybrid rice research and development centre dec. Combining ability through diallel analysis in okra. Sow okra seeds in full sun and average, wellworked soil after danger of frost. Okra, heterosis breeding, line x tester analysis, okra breeding okra abelmoschus esculentus l.
If you continue browsing the site, you agree to the use of cookies on this website. In okra abelmoschus esculentus l moensch, heterosis over the midparental values was manifested in all the characters studied. Store okra seeds in a cool, dark, and dry place protected from pests. Information on the magnitude of combining ability was obtained for fruit yield per plant and its related components following line x tester mating design involving 15 diverse varietiesstrains 10 lines and 5 testers. Okra that is too mature can be dried, cured, and used in flower arrangements. Heterosis, heterobeltiosis, line x tester mating design, okra how to cite this paper. Ishs i international conference on indigenous vegetables and legumes.
I ordered ground okra on line and tried it in a gumbo along with a light roux. Pdf heterosis study in okra abelmoschus esculentus l. Hybrids are very much popular in this crop and the hybrid seed production is based. Line x tester analysis for heterosis in okra abelmoschus. Moench developed from forty double cross derived lines female and three testers male were studied for heterosis of fruit. Vegetable breeders have widely exploited and used heterosis in boosting up yield of many crops. The experiment was undertaken to study the combining ability for yield and its attributing traits in okra. Okra is a heatloving annual plant that requires 55 to 65 frostfree days with temperatures consistently above 85f for full growth, flowering, and pod development. Okra can grow to around 75cm wide and 120180cm tall.
The key to maintaining okra production continuously throughout the summer is to harvest regularly. 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. 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 search home. Introduction molecular studies on okra yellow veins mosaic virus oyvmv biotypes page 1 chapter 1 introduction 1 introduction. Heterosis breeding in okra abelmoschus esculentus l. Combining ability for yield and its attributing traits in. Heterosis and nature of gene action in okra abelmoschus.
Pawar v y, poshiya v k and dhaduk 1999 combining ability analysis in okra. Materials and methods the investigation on heterosis and combining ability studies in okra was undertaken at the department of vegetable sci. Yield and fruit quality of okra abelmoschus esculentus l. Pdf the present investigation was undertaken with the objective of identifying the high. Gene action and combining ability of yield and its. It has rich source of nutrients, minerals and fibers and hence it has also been attractant to many pests and diseases infestation. In vietnam, okra is the important ingredient in the dish canh chua. Moench cultivars for dry season production in the southern guinea savanna ecology of nigeria g. The roots and stems are used for clearing the cane juice from which gur or brown sugar is prepared.
Heterosis in okra hybrids obtained by hybridization of two methods. It is much useful against genitourinary disorders and chronic dysentery. Line tester analysis of combiningabilitv and heterosis for some economic characters in okra. Abstract medicinal plants are the natures gift to human being to have diseasefree healthy life. Moench is important member of malvaceae and commonly known as okra in india. Heterosis for plant height in okra was also reported by singh and syamal 2 006, shoba and mariappan 2 007. Okra oil is a pressed seed oil, extracted from the seeds of the okra.
Heterosis combining ability and stability analysis in okra. Pdf heterosis for yield and yield components in okra. Hybrid okra seeds have heterosis values that can rapidly increase productivity, improve the quality of okra as a food, and so on 7. Okra can be stored for 3 to 5 days in the refrigerator. Early okra and late okra are synonymous with the soudanais. Okra is a plant that is cultivated in tropical and warm climates. It is an important fruit vegetable crop cultivated in various states of india. Tall plant with shorter internodes plays an important role in increasing the yield as fruiting takes place at each node. Field experiments were conducted from june to october during 2010 and 2011 cropping seasons at the research farm, university of agriculture, makurdi, nigeria, to evaluate the yield performance of okra maize mixture as affected by time of planting maize. Be very careful with dried ground okra as it only takes a little bit to go a long way. Okra is a tender, heatloving annual that grows 4 to 7 feet tall and produces a green and sometimes. Heterobeltiosis, inbreeding depression and heritability study in okra.
Heterosis studies in okra abelmoschus esculentus l. However, the process of obtaining hybrid okra seeds is time. Exploring hybrids for yvmv resistant on free shipping on qualified orders. It belongs to the malvaceae family and known to be originated in ethiopian region of the world. General combining ability gca was highly significant. It helps to neutralize acids, being very alkaline, and provides a temporary protective coating for the digestive tract. Advise to experiment with a measuring cup of water til you get the consistency you like before adding to gumbo. Studies on combining ability in okra abelmoschus esculentus l.
Evaluation for heterosis in okra abelmoschus esculentus l. Hossain krishi vigyan kendra, uttar banga krishi viswavidyalaya, kalimpong734301, darjeeling 1 department of genetics, 2 department of seed science and technology. Pick the okra every 1 to 2 days or yields will decrease fig. The ripe seeds are used as substitute for coffee in turkey. Studies on combining ability in okra abelmoschus esculentus. Plant 34 seeds every 12 inches in rows 36 inches apart. Okra is an allopolyploid of uncertain parentage proposed parents include abelmoschus ficulneus, a. The mean squares of the genotypes were highly significant except plant height cm and pod length cm. Potential and progress on its improvement sanjeet kumar1, sokona dagnoko2, adamou haougui3, alain ratnadass4, dov pasternak5 and christophe kouame6 1avrdcthe world vegetable centericrisat project, niamey, niger. Pdf heterosis and combining ability for yield traits in.
Pdf on jan 1, 2014, vijayakumar rathod and others published heterosis and combining ability studies in okra. Hence an investigation was carried out with an objective of assessing the magnitude of heterosis and combining ability for yield and quality parameters in okra. Save nature to survive heterosis and combining ability. One hundred and twenty hybrids of okra abelmoschus esculentus l. Only 3 to 4 days are required from the time the okra flower opens until the pod reaches harvest maturity. Pdf combining ability and heterosis for yield and its. Okra requires warm weather, and early to mid may is a desired planting time. Okra as a valuable vegetable of the world 105 ratar. Sow okra seed in the garden 4 weeks after the average last frost date in spring. Pdf heterosis in okra hybrids obtained by hybridization. This study was conducted on okra abelmoschus esculentus l. Moench cultivars at the teaching and research farm, university of maiduguri, nigeria.
The greenish yellow edible oil has a pleasant taste and odor, and is high in unsaturated fats such as oleic acid and linoleic acid. Studies on the combining ability and heterosis in okra. Spacing plant seeds an inch deep and thin to one plant every 1012 inches in the row, with rows no closer than 3 feet apart. Line x tester analysis for heterosis in okra abelmoschus esculentus l. Okra is a supreme vegetable for those feeling weak, exhausted, and suffering from depression. Forty nine genotypes of okra including seven parents and their 42 hybrids were tested by using randomized complete block design with three replicates for testing of heterosis, gene action and heritability, these genotypes were crossed in all possible combinations full diallel cross during 2011 and 2012 seasons in the vegetable field, department.
The essential and nonessential amino acids that okra contains are comparable to that of soybean. Heatloving okra is capable of withstanding dry periods once established. Okra is one the commercially exploited vegetable crops which is grown worldwide. Combining ability and heterosis for yield and its contributing characters in okra abelmoschus esculantus l. Analysis of variance showed significant differences among the parents and hybrids. The desirable heterosis was observed for this trait in the. Okra alone is generally considered too gooey, or mucilaginous, to suit american tastes. In okra abelmoschus esculentus l moensch, heterosis over the.
When stored in these conditions, okra seeds will remain viable for years. The experiment consisted of three maize planting dates maize planted at the same time as okra in midjune, maize planted 2 and 4 weeks later. Truly wild as opposed to naturalised populations are not known with certainty and the species may be a cultigen. 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. If mature seeds form, plant growth and production slows down. Prepare the bed by turning the soil under to a depth of 8 inches. Okra is a multipurpose crop due to its various uses of the fresh leaves, buds, flowers, pods, stems. Yield performance of okra abelmoschus esculentus l. The live mulches were planted simultaneously with okra except the control, the same days of 24th june, 2010 and 27th june, 2011 respectively. Soil temperatures should be 60o f, and all danger of frost should be past. Heterosis combining ability and stability analysis in okra abelmoschus esculentus l. Moench developed from forty double cross derived lines female and three testers male were studied for. In present investigation 24 f1 hybrids were evaluated using.
Okra treats lung inflammation, sore throat, and irritable bowel. Okra contains carbohydrate, protein and vitamin c in large quantities adeboye and oputa, 1996. Okra is used for healing ulcers and to keep joints limber. Economic importance of okra fruits are cooked in a various ways. Okra abelmoschus esculentus l is commonly known as bhindi or ladys finger belonging to family malvaceae. In present investigation 24 f1 hybrids were evaluated. Jul 25, 2016 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. Buy heterosis breeding in okra abelmoschus esculentus l. Though native of tropical africa, it is a prized vegetable of india. Grow okra in a different place every year to avoid problems with pests and diseases.
Heterosis and combining ability in okra abelmoschus. An overview of okra production, processing, marketing. Pdf the present investigation on line x tester analysis was conducted in okra to study the. Prospectus for fighting poverty, hunger and malnutrition heterosis studies in okra abelmoschus esculentus l. The heterosis over better parent for yield per plant was mainly due to longer and thicker fruits coupled with more number of fruits per plant. It produces green pods that are picked just before ripening and implemented. We evaluated fruit production per plant, fruits per plant, number of branchess per plant, superiority of hybrids relative to parents h and heterosis %.
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