Heterosis for yield and its related traits in Okra (<i>Abelmoschus esculentus</i> L. Moench)

Bhatt, J. P.; Patel, Nil Ashokbhai; Acharya, R.R.; Kathiria, K. B.

doi:10.5958/0975-928x.2016.00026.0

Cited by 8 publications

(8 citation statements)

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“…It also revealed that number of fruits per plant, fruit weight, fruit length and fruit girth were the main contributors towards increased fruit yield. The similar results have been reported in okra by Reddy et al (2012a) [9] , Reddy et al (2013b) [10] , Solankey et al (2013) [11] , Gajera and Vaddoria (2014) [2] , Nagesh et al (2014) [5] , Tiwari et al (2015) [13] , Bhatt et al (2016) [1] , Kumar and Reddy et al (2016) [4] , Paul et al (2017a) [6] , Punia et al (2017) [8] , Gavint et al (2018) [3] and Prakash et al (2019).…”

Section: Resultssupporting

confidence: 80%

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Exploitation of hybrid vigour for fruit yield and its components in okra [Abelmoschus esculentus (L.) Moench]

An¹,

Ma²,

Dr³

2020

Int. J. Chem. Stud.

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The present investigation on "Exploitation of hybrid vigour for fruit yield and its components in okra [Abelmoschus esculentus (L.) Moench]" was conducted at the Vegetable Research Station, Junagadh Agricultural University, Junagadh during summer 2018. The experimental material comprised of 16 parents (12 lines and 4 testers) to develop 48 hybrids using line x tester mating design. The final evaluation trial was conducted with 16 patents, their 48 F1 hybrids along with one commercial check (GJOH-4) in a randomized block design (RBD) with three replications. On considering the performance of hybrids in respect of fruit yield per plant, 4 and 3 hybrids exhibited significant and positive heterosis over better parent and standard check, respectively. Significant and positive estimates of heterobeltiosis and standard heterosis for fruit yield per plant were exhibited by the crosses IC-282248 x GAO-5 (33.77%, 24.67%), IC-282248 x Pusa Sawani (22.84%, 14.30%) and IC-31398 x GO-2 (17.30%, 13.14%), respectively and could be utilized for commercial exploitation of heterosis after large scale multilocation testing. The heterosis for fruit yield per plant was also associated with the heterosis expressed by its component characters.

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Section: Resultssupporting

confidence: 80%

“…The fruit yield per plant is an attribute of economic importance which the plant breeders attempt to improve by evolving new high yielding hybrids. [9,2,5,13,1,4,6,8,3] . The results indicated that in different crosses, pathway for releasing heterotic effects varied from cross to cross.…”

Section: Resultsmentioning

confidence: 99%

Exploitation of hybrid vigour for fruit yield and its components in okra [Abelmoschus esculentus (L.) Moench]

An¹,

Ma²,

Dr³

2020

Int. J. Chem. Stud.

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“…Whereas, during second year, the estimate of ó 2 gca/ ó 2 sca indicated predominance of non-additive gene action for all fourteen different traits. Results presented earlier by Adiger et al (2013), Bhatt et al (2015) and Patel et al (2015) also indicated preponderance of non-additive gene action in the expression of various quantitative traits. The most efficient way for utilizing the non-additive genetic variance is through the exploitation of heterosis.…”

Section: General Combining Ability and Specific Combiningmentioning

confidence: 51%

Estimation of combining ability and gene action for yield and its contributing traits in okra [Abelmoschus esculentus (L.) Moench]

Singh,

Singh

et al. 2021

VegSci

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The estimates of ó2 gca / ó2 sca indicated predominance of non-additive gene action for most of the characters during both the years. EC169400 and IC117351 were identified as consistent best general combiner for fruit yield and other components. Over the both years consistently, cross combinations viz., IC117245 × VRO 6 for fruit yield per plant, IC117245 × VRO 6, IC117351 × Arka Anamika and EC16400 × Arka Anamika for number of fruits per plant, EC169430 × Parbhani Kranti and EC169408 × Arka Anamika for plant height, EC169435 × Parbhani Kranti for 100 seed weight, IC093655 × Arka Anamika for number of seeds per fruit, EC169430 × Parbhani Kranti for primary branches per plant, IC093655 × Parbhani Kranti for inter-nodal length, EC169435 × Arka Anamika for fruit length showed specific combining ability effects of higher order. These crosses have been identified as best hybrids for improving fruit yield per plant and could be further evaluated to confirm their stable superior performance.

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“…Table 4 makes clear that there were considerable variations in internode length between genotypes (crosses) in the data that were analyzed (Bhatt et al, 2015). Replication revealed no differences that were statistically significant.…”

Section: Combining Ability Analysismentioning

confidence: 97%

“…

O kra is a vegetable widely grown in hot and subtropical regions. It is a major crop in Pakistan, but average yields are low compared to other countries (Bhatt et al, 2015). Farmers begin growing the Kharif crop in January as an off-season early crop in order to gain high prices, despite the fact that it is a warm season.

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confidence: 99%

Combining Ability and Genetic Analysis of Morphological and Yield Related Traits in Abelmoschus esculentus L.

Rasheed,

Ali,

Jan

et al. 2024

SJA

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O kra is a vegetable widely grown in hot and subtropical regions. It is a major crop in Pakistan, but average yields are low compared to other countries (Bhatt et al., 2015). Farmers begin growing the Kharif crop in January as an off-season early crop in order to gain high prices, despite the fact that it is a warm season. For the Kharif crop to function at its best, high soil temperatures as well as high daytime Abstract | The present study was conducted to assess combing ability and genetic analysis in Okra. Twentyeight okra genotypes (5x5 diallel crosses) and checks were screened for high yield and early maturity in a randomized complete block design. Highly significant differences were observed for most traits, except stem diameter and marketable fruit diameter. Among genotypes, G10 flowered earliest (41.5 days), G22 had longest internodes (3.59cm), G16 had heaviest fruits (9.65g), and G14 had longest and thickest marketable fruits (13.8 cm, 1.74cm). Combing ability analysis revealed that non-additive gene action was involved in controlling all traits. Non-additive gene action was important for all traits, and P2 and P3 were good general combiners. G8 and G14 were superior crosses due to high per se performance and significant SCA effects. Heritability analysis suggested that the selection of the studied traits should not be based on phenotypic performance. A heterosis study revealed that most of the crosses outperform the checks, and hence could be used in future okra breeding programs. The estimated inbreeding depression revealed that the majority of the traits showed negative inbreeding depression due to selfing, thus least affected by selfing. Thus from our study G8, G14 and G23 could be identified as the best-performing crosses for yield-associated traits. Hence should be involved in a variety of development programs to improve the quantitative and related traits of Abelmoschus esculentus L.

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Heterosis for yield and its related traits in Okra (Abelmoschus esculentus L. Moench)

Cited by 8 publications

References 0 publications

Exploitation of hybrid vigour for fruit yield and its components in okra [Abelmoschus esculentus (L.) Moench]

Exploitation of hybrid vigour for fruit yield and its components in okra [Abelmoschus esculentus (L.) Moench]

Estimation of combining ability and gene action for yield and its contributing traits in okra [Abelmoschus esculentus (L.) Moench]

Combining Ability and Genetic Analysis of Morphological and Yield Related Traits in Abelmoschus esculentus L.

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