Genetic control of economic traits and evidence of economic heterosis in crosses involving monoecious cucumber genotypes

Das, Srikanta; Mandal, Agniva; Maurya, Praveen Kumar; Bhattacharjee, Tridip; Banerjee, Swadesh; Mandal, Asit; Chattopadhyay, Arup

doi:10.1080/19315260.2019.1639873

Cited by 5 publications

(11 citation statements)

References 25 publications

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“…The significant desirable SCA effect of top 3 cross combinations for different traits under study (Table 2) revealed that the no single cross was adjudged as good specific combiner for all the traits studied. The cross combination 2870 G × K-90 (L × H), KTG 40 × K-90 (H × H) and KTG 40 × UHF-16 (H × L) exhibited significant and negative SCA effects and A × A; D × A type of gene action for days to first female flower appearance, days to first fruit harvest traits related to earliness during both the years in cucumber as also reported by Kumar et al (2017) and Das et al (2019). Significantly high positive SCA effects were exhibited in 2870 G × K-90 (L × H), 2870 G × UHF-16 (L × H) and KTG 40 × UHF-16 (H × L) for fruit length and breadth.…”

Section: Resultssupporting

confidence: 63%

“…It was reported earlier for yield and its contributing traits by Jat et al (2017) and Kumar et al (2017) and severity of downy mildew and powdery mildew diseases by Kumar et al (2018) and Das et al (2019) in cucumber. Here, gene action stated that non-additive gene action governed almost all the traits under study during both the years, hence hybrid breeding could be exploited for these traits in cucumber.…”

Section: Resultssupporting

confidence: 60%

“…Identification of good general and specific combiners: During both years study revealed that monoecious testers KTG-40, UHF-16 and gynoecious line 2870 G and K-90 exhibited significant GCA effect in desired direction indicating these were found as good general combiner for earliness, fruit yield per plant, severity of downy and powdery mildew disease traits (Kumar et al 2018, Das et al 2019.Therefore, KTG-40, 2870 G, K-90 and UHF-16 could be picked up as potential donors for yield contributing and other important horticultural traits (Table 2).…”

Section: Resultsmentioning

confidence: 99%

“…The present study was carried out during pre-kharif seasons of , 2018and 2019 and altitude of 1425 meters amsl). Eighteen crosses were developed by crossing 3 gynoecious lines and 6 testers in line × tester design (Kempthrone 1957).…”

Section: Experimental Site and Layout Plansmentioning

confidence: 99%

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Genetic assessments, dominance estimates of economic traits of gynoecious cucumber (Cucumis sativus) under Himalayas

et al. 2023

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In India generally monoecious and cross-pollinated cucumber (Cucumis sativus L.) hybrids/varieties are grown. The use of stable gynoecious cucumber varieties/hybrids would increase the productivity of cucumber in India. In the past, despite improvement in monoecious cucumber varieties/hybrids, little effort has been done into the development of stable gynoecious hybrids. To address this issue 3 genetically diverse gynoecious lines and improvement, and 6 testers were crossed in line × tester fashion to develop 18 crosses during 2017. These 18 crosses along with 9 parents evaluated at the Krishi Vigyan Kendra, Kandaghat, Himachal Pradesh and Dr. YSPUHF, Solan, Himachal Pradesh during pre-kharif season 2018–19 to determine the mode of gene action, combining ability, extent heterosis and potence ratio for 12 quantitative traits. Experimental results depicted that the dominant component of variance (σ2S) was found higher than the additive component of variance (σ2S) for all the traits indicating a predominant role of non-additive gene action governing yield and its contributing traits during both the years. Gynoecious inbred lines KTG-40, 2870G and testers K-90, UHF-16 were found most promising general combiners for fruit yield. The cross combination KTG-40 × K-90 and 2870G × K-90 isolated based on heterosis manifested and SCA effects. Further, the performance of top 7 heterotic crosses illustrate the presence of overdominance in most of the crosses for traits under study, suggesting the importance of heterosis breeding for the development of early, high-yielding, disease tolerance stable gynoecious hybrids in cucumber.

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Section: Resultssupporting

confidence: 63%

Section: Resultssupporting

confidence: 60%

Section: Resultsmentioning

confidence: 99%

Section: Experimental Site and Layout Plansmentioning

confidence: 99%

See 2 more Smart Citations

Genetic assessments, dominance estimates of economic traits of gynoecious cucumber (Cucumis sativus) under Himalayas

et al. 2023

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“…In addition, according to Table 5, heritability was small for most of traits such as average yield per plant, fruit fresh weight and fruit dry weight, which have also been reported by other researchers (Hasanuzzaman et al, 2012;Bhutia et al, 2015;Aiswarya et al, 2020). The signi cant SCA effects was reported by Das et al, (2020) in ve crosses for fruit yield per plant, PDI of downy mildew, total sugar content, number of fruit per plant, fruit diameter, days to rst female ower appearance, and vine length.…”

Section: Discussionmentioning

confidence: 97%

Evaluation of General and Specific Combining Ability for Doubled Haploid Lines in Sweet Pepper (Capsicum Annuum L.)

Bayati

Shariatpanahi

Mostafavi

et al. 2022

Preprint

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Hybrid cultivars are commercially and economically important; hence, too much effort needed to improve the quality and quantity of hybrids. In this research project, general (GCA) and specific (SCA) combining ability of 32 doubled haploid (DH) lines of sweet pepper produced via microspore embryogenesis were evaluated. The DH lines were crossed with the top cross parent as the tester to evaluate general combining ability (GCA). Traits including morphological and yield-related characteristics to assess the general combining ability of lines were recorded and analyzed. The half-diallel mating crosses were performed using GCA based on the selected seven DH lines for SCA evaluation. Mean squares of GCA and SCA values were highly significant for most of the characters. DH55 line indicated the highest positive GCA for average yield per plant, moreover, the highest positive SCA was obtained for 55×64 hybrid. The ratio of \(\frac{MS \left(GCA\right)}{MS \left(SCA\right)}\) showed the non-additive gene actions in controlling all traits except fruit width and length and seed fresh weight. According to the results of specific combining ability of DH lines, four F1 hybrids were selected for new cultivar registration. The results obtained in the present study are applicable to release new F1- hybrids, which can be more reliable than those hybrids introduced by conventional selfing programs in sweet pepper due to 100% genetic purity of DH lines.

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Heterosis and combining ability for yield and quality traits in monoecious, gynoecious and parthenocarpic parental lines of cucumber (Cucumis sativus L.) under tropical condition

Kumari,

Dhall,

Garg

et al. 2024

Euphytica

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Genetic control of economic traits and evidence of economic heterosis in crosses involving monoecious cucumber genotypes

Cited by 5 publications

References 25 publications

Genetic assessments, dominance estimates of economic traits of gynoecious cucumber (Cucumis sativus) under Himalayas

Genetic assessments, dominance estimates of economic traits of gynoecious cucumber (Cucumis sativus) under Himalayas

Evaluation of General and Specific Combining Ability for Doubled Haploid Lines in Sweet Pepper (Capsicum Annuum L.)

Heterosis and combining ability for yield and quality traits in monoecious, gynoecious and parthenocarpic parental lines of cucumber (Cucumis sativus L.) under tropical condition

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