Abstract
Five inbred lines of tomato were crossed in a half diallel fashion to estimate the combining ability, mode of gene action, extent of heterobeltiosis and dominance effects in the inheritance of fruit yield, processing qualities and disease severity traits. A preponderance of non‐additive gene action was detected for all studied characters except fruit weight, indicating that heterosis breeding is an appropriate strategy for their improvement. Maximum heterobeltiosis was observed for the percent disease index (PDI) of tomato leaf curl viruses (ToLCV), followed by the number of locules per fruit, PDI of early blight, fruit yield per plant, lycopene content of fruit, vitamin C content of fruit, total soluble solids content of fruit and acidity content of fruit. Partial‐ to over‐dominance effects were involved in the inheritance of the studied traits. Three lines (CLN 2777E, BCT‐115 and CLN 2777F) were identified as potential donors. We recommend that two hybrids (CLN 2777 F × CLN 2777 E and CLN 2777E × Ailsa Craig fulgens) would be appropriate for commercial use following further evaluation of their traits, as they exhibit desirable horticultural traits, particularly in the tropics.
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Claims 7
Claim · model-written summary
Non-additive gene action predominated for all studied traits except fruit weight.
- Taxon
- tomato
Solanum lycopersicumt0 - Outcome
- non‐additive gene actione0
- Qualifier
- except fruit weighte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A preponderance of non‐additive gene action was detected for all studied characters except fruit weight”
t0“tomato”
Claim · model-written summary
The highest heterobeltiosis was for tomato leaf curl virus disease index.
- Taxon
- tomatoSolanum lycopersicumt0
- Interactor
- tomato leaf curl virusesTomato leaf curl viruse0pathogen
- Outcome
- percent disease index (PDI) of tomato leaf curl viruses (ToLCV)e0
- Direction
- Maximume0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Maximum heterobeltiosis was observed for the percent disease index (PDI) of tomato leaf curl viruses (ToLCV)”
t0“tomato”
Claim · model-written summary
Partial to over dominance affected inheritance of the studied traits.
- Taxon
- tomatoSolanum lycopersicumt0
- Outcome
- Partial‐ to over‐dominance effectse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Partial‐ to over‐dominance effects were involved in the inheritance of the studied traits”
t0“tomato”
Claim · model-written summary
CLN 2777E was identified as a potential donor.
- Taxon
- tomatoSolanum lycopersicumt0
- Material
- CLN 2777Ee0
- Outcome
- potential donorse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Three lines (CLN 2777E, BCT‐115 and CLN 2777F) were identified as potential donors”
t0“tomato”
Claim · model-written summary
BCT-115 was identified as a potential donor.
- Taxon
- tomatoSolanum lycopersicumt0
- Material
- BCT‐115e0
- Outcome
- potential donorse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Three lines (CLN 2777E, BCT‐115 and CLN 2777F) were identified as potential donors”
t0“tomato”
Claim · model-written summary
CLN 2777F was identified as a potential donor.
- Taxon
- tomatoSolanum lycopersicumt0
- Material
- CLN 2777Fe0
- Outcome
- potential donorse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Three lines (CLN 2777E, BCT‐115 and CLN 2777F) were identified as potential donors”
t0“tomato”
Claim · model-written summary
The authors recommend two hybrids for commercial use after further evaluation.
- Taxon
- tomatoSolanum lycopersicumt0
- Outcome
- commercial usee0
- Qualifier
- following further evaluation of their traitse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“We recommend that two hybrids (CLN 2777 F × CLN 2777 E and CLN 2777E × Ailsa Craig fulgens) would be appropriate for commercial use following further evaluation of their traits”
t0“tomato”