Okra can be stored for 3 to 5 days in the refrigerator. 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. Pdf the present investigation on line x tester analysis was conducted in okra to study the. The essential and nonessential amino acids that okra contains are comparable to that of soybean. Pdf the present investigation was undertaken with the objective of identifying the high. Okra is a multipurpose crop due to its various uses of the fresh leaves, buds, flowers, pods, stems. Heterosis studies in okra abelmoschus esculentus l. Okra, heterosis breeding, line x tester analysis, okra breeding okra abelmoschus esculentus l. Yield performance of okra abelmoschus esculentus l. Level with a rake to remove clumps of grass and stones.
Ishs i international conference on indigenous vegetables and legumes. In present investigation 24 f1 hybrids were evaluated using. 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. Economic importance of okra fruits are cooked in a various ways. Introduction molecular studies on okra yellow veins mosaic virus oyvmv biotypes page 1 chapter 1 introduction 1 introduction. When stored in these conditions, okra seeds will remain viable for years. 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. Pdf heterosis in okra hybrids obtained by hybridization. Studies on the combining ability and heterosis in okra abelmoschus esculentus moench l. Okra as a valuable vegetable of the world 105 ratar. The greenish yellow edible oil has a pleasant taste and odor, and is high in unsaturated fats such as oleic acid and linoleic acid.
Super hybrid rice in china peng jiming professor china national hybrid rice research and development centre dec. Moench developed from forty double cross derived lines female and three testers male were studied for. Heterosis and combining ability in okra abelmoschus. Pdf combining ability and heterosis for yield and its. Line x tester analysis for heterosis in okra abelmoschus. The desirable heterosis was observed for this trait in the. Heterosis for plant height in okra was also reported by singh and syamal 2 006, shoba and mariappan 2 007. Okra is a tender, heatloving annual that grows 4 to 7 feet tall and produces a green and sometimes. Buy heterosis breeding in okra abelmoschus esculentus l.
It belongs to the malvaceae family and known to be originated in ethiopian region of the world. It produces green pods that are picked just before ripening and implemented. Okra is used for healing ulcers and to keep joints limber. Exploring hybrids for yvmv resistant on free shipping on qualified orders. Okra is a supreme vegetable for those feeling weak, exhausted, and suffering from depression. Pdf heterosis for yield and yield components in okra. Hybrids are very much popular in this crop and the hybrid seed production is based.
The large seeds of okra are easy to separate from the chaff through screening and winnowing. 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. 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. Pdf heterosis study in okra abelmoschus esculentus l. 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. However, the process of obtaining hybrid okra seeds is time. Heterosis combining ability and stability analysis in okra. This study was conducted on okra abelmoschus esculentus l. Though native of tropical africa, it is a prized vegetable of india. Tall plant with shorter internodes plays an important role in increasing the yield as fruiting takes place at each node.
The experiment was undertaken to study the combining ability for yield and its attributing traits in okra. An overview of okra production, processing, marketing. In present investigation 24 f1 hybrids were evaluated. Pdf on jan 1, 2014, vijayakumar rathod and others published heterosis and combining ability studies in okra. Early okra is an annual plant while late okra has a perennial tendency singh and bhatnager, 1976. Okra alone is generally considered too gooey, or mucilaginous, to suit american tastes. It is an important fruit vegetable crop cultivated in various states of india. Be very careful with dried ground okra as it only takes a little bit to go a long way. In okra abelmoschus esculentus l moensch, heterosis over the. Studies on combining ability in okra abelmoschus esculentus l.
Abstract medicinal plants are the natures gift to human being to have diseasefree healthy life. Okra contains carbohydrate, protein and vitamin c in large quantities adeboye and oputa, 1996. Studies on the combining ability and heterosis in okra. Plant 34 seeds every 12 inches in rows 36 inches apart. Only 3 to 4 days are required from the time the okra flower opens until the pod reaches harvest maturity. Save nature to survive heterosis and combining ability. It has rich source of nutrients, minerals and fibers and hence it has also been attractant to many pests and diseases infestation. 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. Heterosis combining ability and stability analysis in okra abelmoschus esculentus l. Moench cultivars for dry season production in the southern guinea savanna ecology of nigeria g. Okra requires warm weather, and early to mid may is a desired planting time.
Genetic relationships among okra abelmoschus esculentus l. Heterobeltiosis, inbreeding depression and heritability study 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. The objective was to evaluate the level of genetic divergence and heritability of eight characters in 2015 and 2016 dry seasons using irrigation. Early okra and late okra are synonymous with the soudanais.
If mature seeds form, plant growth and production slows down. Moench cultivars at the teaching and research farm, university of maiduguri, nigeria. Okra treats lung inflammation, sore throat, and irritable bowel. Evaluation for heterosis in okra abelmoschus esculentus l. Studies on combining ability in okra abelmoschus esculentus. 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. Store okra seeds in a cool, dark, and dry place protected from pests. Pdf heterosis and combining ability for yield traits in.
If you continue browsing the site, you agree to the use of cookies on this website. We evaluated fruit production per plant, fruits per plant, number of branchess per plant, superiority of hybrids relative to parents h and heterosis %. Prepare the bed by turning the soil under to a depth of 8 inches. Line tester analysis of combiningabilitv and heterosis for some economic characters in okra. Moench is important member of malvaceae and commonly known as okra in india. Materials and methods the investigation on heterosis and combining ability studies in okra was undertaken at the department of vegetable sci. Line x tester analysis for heterosis in okra abelmoschus esculentus l. The roots and stems are used for clearing the cane juice from which gur or brown sugar is prepared.
Heterosis and nature of gene action in okra abelmoschus. Combining ability through diallel analysis in okra. Hossain krishi vigyan kendra, uttar banga krishi viswavidyalaya, kalimpong734301, darjeeling 1 department of genetics, 2 department of seed science and technology. It helps to neutralize acids, being very alkaline, and provides a temporary protective coating for the digestive tract. Gene action and combining ability of yield and its. Pick the okra every 1 to 2 days or yields will decrease fig. Pawar v y, poshiya v k and dhaduk 1999 combining ability analysis in okra. Soil temperatures should be 60o f, and all danger of frost should be past. The live mulches were planted simultaneously with okra except the control, the same days of 24th june, 2010 and 27th june, 2011 respectively. Combining ability studies in okra abelmoschus esculentus l.
Analysis of variance showed significant differences among the parents and hybrids. 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. 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. Yield and fruit quality of okra abelmoschus esculentus l.
Heterosis, heterobeltiosis, line x tester mating design, okra how to cite this paper. Heatloving okra is capable of withstanding dry periods once established. Prospectus for fighting poverty, hunger and malnutrition heterosis studies in okra abelmoschus esculentus l. Okra is a plant that is cultivated in tropical and warm climates. Moench developed from forty double cross derived lines female and three testers male were studied for heterosis of fruit. In okra abelmoschus esculentus l moensch, heterosis over the midparental values was manifested in all the characters studied. Okra oil is a pressed seed oil, extracted from the seeds of the okra. Okra can grow to around 75cm wide and 120180cm tall. Sow okra seed in the garden 4 weeks after the average last frost date in spring. The goal of okra hybrid breeding is to identify and then reliably reproduce superior hybrid genotypes. Okra abelmoschus esculentus l is commonly known as bhindi or ladys finger belonging to family malvaceae. General combining ability gca was highly significant. Sow okra seeds in full sun and average, wellworked soil after danger of frost. It is much useful against genitourinary disorders and chronic dysentery.
I ordered ground okra on line and tried it in a gumbo along with a light roux. Okra is one the commercially exploited vegetable crops which is grown worldwide. 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. Heterosis in okra hybrids obtained by hybridization of two methods. Heterosis breeding in okra abelmoschus esculentus l. Okra is an allopolyploid of uncertain parentage proposed parents include abelmoschus ficulneus, a. One hundred and twenty hybrids of okra abelmoschus esculentus l. Grow okra in a different place every year to avoid problems with pests and diseases. The mean squares of the genotypes were highly significant except plant height cm and pod length cm. 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. Combining ability for yield and its attributing traits in. Moench developed from forty double cross derived lines female and three testers male were studied for heterosis of fruit yield and its component traits.
The ripe seeds are used as substitute for coffee in turkey. Hybrid okra seeds have heterosis values that can rapidly increase productivity, improve the quality of okra as a food, and so on 7. Combining ability and heterosis for yield and its contributing characters in okra abelmoschus esculantus l. Iorlamen3 1,3department of crop production, university of agriculture, makurdi, nigeria.
Truly wild as opposed to naturalised populations are not known with certainty and the species may be a cultigen. Okra that is too mature can be dried, cured, and used in flower arrangements. The key to maintaining okra production continuously throughout the summer is to harvest regularly. In vietnam, okra is the important ingredient in the dish canh chua.
1351 126 163 1129 1138 1591 718 1041 274 1106 1186 1608 654 1357 1009 421 523 714 1451 45 857 543 827 275 145 1430 1202 881 498 313 730 455 710 35 611 857 546 1413 205