Analysis of Heterosis on Morphological and Qualitative Traits in Tomato ( Solanum Lycopersicon Mill) for Salinity Tolerance.
Theȱ mostȱ valuableȱ heteroticȱ crossȱ combinationsȱ breedingȱmaterialȱforȱdevelopmentsȱofȱhybrids.ȱOtherȱ
identifiedȱ forȱ totalȱ yieldȱ alsoȱ exhibitedȱ significantȱ crossȱcombinationsȱidentifiedȱasȱpromisingȱhybridsȱ
andȱ desirableȱ heterosisȱ forȱ otherȱ charactersȱ whenȱ forȱyieldȱandȱitsȱcomponentȱtraitsȱaccordingȱtoȱtheirȱ
comparedȱ withȱ aboveȱ threeȱ parameters.ȱ Amongȱ standardȱheterosisȱandȱ per se ȱperformanceȱwereȱMMȱ
these,ȱ Bilahi-2ȱ xȱ H-86ȱ showedȱ highȱ magnitudeȱ ofȱ xȱH-86,ȱMMȱxȱH-88ȱandȱNDT-3ȱxȱH-86,ȱKS-60ȱxȱH-24,ȱ
heterosisȱforȱnumberȱofȱprimaryȱbranchesȱplant -1ȱ andȱ ECȱ168282ȱxȱH-86,ȱKS-60ȱxȱH-86ȱandȱNDT-2ȱxȱH-86ȱ
plantȱheightȱinȱbothȱtheȱenvironmentsȱandȱforȱaverageȱ wereȱalsoȱfoundȱtoȱbeȱvaluableȱbreedingȱmaterialȱforȱ
fruitȱweightȱinȱE 1 ȱbesidesȱtotalȱyieldȱplant -1 .ȱHimlataȱxȱ
majorȱcomponentȱcharactersȱotherȱthanȱyieldȱinȱE 1
H-86ȱwasȱexhibitedȱhighȱdegreeȱofȱheterosisȱforȱearlyȱ
and/orȱE ȱenvironments.
2
yieldȱinȱE 1 ȱalongȱwithȱtotalȱyieldȱplant -1 .ȱMMȱxȱH-88ȱ
recognizedȱ asȱ highȱ heteroticȱ combinationȱ forȱ totalȱ References
yieldȱ alsoȱ showedȱ higherȱ magnitudeȱ ofȱ heterosisȱ
ChowdhuryȱB,ȱPuniaȱRS,ȱSanghaȱHSȱ(1965)ȱManifestationȱofȱ
forȱ numberȱ ofȱ fruitsȱ perȱ plantȱ inȱ E 2 ȱ andȱ forȱ totalȱ
hybridȱvigourȱinȱF1ȱandȱitsȱretentionȱinȱF2ȱgenerationȱofȱ
solubleȱsolidȱinȱbothȱtheȱseason.ȱWhile,ȱMMȱxȱH-86ȱ
tomato.ȱ Indian Journal of Horticulture 22 (1):52-60.
exhibitedȱ considerableȱ amountȱ ofȱ heterobeltiosisȱ
DodȱVN,ȱKaleȱPBȱ1992.ȱHeterosisȱforȱcertainȱtraitsȱinȱtomatoȱ
i.e.ȱ 42.07ȱ andȱ 39.32ȱ perȱ centȱ forȱ totalȱ yieldȱ plant -1
(LycopersiconȱesculentumȱMill.).ȱ Crop Research 5 :134-139.
inȱE 1 ȱandȱE 2 ,ȱrespectivelyȱandȱwasȱalsoȱfoundȱtoȱbeȱ EpsteinȱE,ȱRainsȱDWȱ1987.ȱAdvancesȱinȱsaltȱtolerance.ȱ Plant
promisingȱhybridȱforȱlengthȱofȱfruits,ȱaverageȱfruitȱ
and Soil 99 :17-19.
weightȱinȱE 1 ȱandȱnumberȱofȱprimaryȱbranchesȱplant -1ȱ
Gomezȱ KA,ȱ Gomezȱ AAȱ 1984.ȱ Statisticalȱ Proceduresȱ forȱ
underȱE 2 ȱconditions.ȱConsideringȱtheȱaboveȱfactsȱitȱ
AgriculturalȱResearchȱ(2 nd ȱEdition).ȱJohnȱWileyȱandȱSons.ȱ
mayȱbeȱsaidȱthatȱhighȱyieldȱofȱheteroticȱcombinationsȱ
Inc.
wereȱobtainedȱdueȱtoȱhigherȱmagnitudeȱofȱheterosisȱ Hannanȱ MM,ȱ Ahmedȱ MB,ȱ Royȱ UK,ȱ Razvyȱ MA,ȱ Haydarȱ
forȱ numberȱ ofȱ primaryȱ branches,ȱ plantȱ heightȱ andȱ
A,ȱ Rahmanȱ MA,ȱ Islamȱ MA,ȱ Islamȱ Aȱ 2007.ȱ Heterosis,ȱ
Combiningȱ Abilityȱ andȱ Geneticsȱ forȱ Brix%,ȱ Daysȱ toȱ
lengthȱofȱfruitsȱbesidesȱsignificantȱandȱhighȱdegreeȱ
Firstȱ Fruitȱ Ripeningȱ andȱ Yieldȱ inȱ Tomatoȱ (Lycopersiconȱ
ofȱheterosisȱforȱnumberȱofȱfruitsȱplant -1 ȱandȱaverageȱ
esculentumȱMill.).ȱ Middle-EastȱJournalȱofȱScientificȱResearch
fruitȱ weight.ȱ Kumarȱ etȱ al . ȱ (1995)ȱ andȱ Singhȱ et al.
2 (3-4):128-131.
(1995)ȱhaveȱalsoȱreportedȱheterosisȱforȱtotalȱyieldȱdueȱ Hayesȱ HK,ȱ Immerȱ FA,ȱ Smithȱ DCȱ 1955.ȱ Methodsȱ ofȱ Plantȱ
toȱincreaseȱinȱfruitȱnumberȱandȱfruitȱsize.
Breeding.ȱMcGrawȱHillȱBookȱCo.ȱInc.,ȱNewȱYork,ȱp.52-66.
Heterosisȱ observedȱ inȱ presentȱ studyȱ forȱ theȱ aboveȱ
HedrickȱUP,ȱBoothȱNOȱ1968.ȱMendelianȱcharactersȱinȱtomato.ȱ
Proceedings of the Journal of American Society for Horticultural
mentionedȱ charactersȱ inȱ tomatoȱ areȱ inȱ conformityȱ
Science 5 :19-24.
withȱthoseȱofȱSinghȱ et al. (1988)ȱforȱplantȱheightȱandȱ
Internationalȱ Riceȱ Researchȱ Instituteȱ 2009.ȱ CropStatȱ 7.2ȱ
numberȱ ofȱ primaryȱ branchesȱ plant -1 ;ȱ Kumarȱ et al.
forȱ Windows.ȱ Cropȱ Researchȱ Informaticsȱ Laboratory,ȱ
(1995)ȱ forȱ numberȱ ofȱ fruits;ȱ Singhȱ et al. (1995)ȱ forȱ
Internationalȱ Riceȱ Researchȱ Institute,ȱ Losȱ Banos,ȱ
fruitȱ weightȱ andȱ earlyȱ yieldȱ plant -1 ȱ andȱ Dodȱ andȱ
Philippines.
Kaleȱ(1992)ȱforȱpericarpȱthickness.ȱTherefore,ȱthoseȱ Kumarȱ S,ȱ Benerjeeȱ MK,ȱ Pratapȱ PSȱ 1995.ȱ Heterosisȱ studyȱ
crosses,ȱwhichȱshowedȱhighȱ per se ȱperformanceȱandȱ
forȱ fruitȱ yieldȱ andȱ itsȱ componentsȱ inȱ tomato.ȱ Annals of
scaȱeffects,ȱshouldȱbeȱselected.
Agricultural Research 16 (2):212-217.
SekharȱL,ȱPrakashȱBG,ȱSalimathȱPM,ȱChannayyaȱP,ȱHiremathȱ
Conclusion
Srideviȱ O,ȱ Patilȱ AAȱ 2010.ȱ Implicationȱ ofȱ heterosisȱ andȱ
combiningȱabilityȱamongȱproductiveȱSingleȱcrossȱHybridsȱ
Onȱ theȱ basisȱ ofȱ resultsȱ obtainedȱ inȱ theȱ presentȱ
inȱtomato.ȱ Electronic Journal of Plant Breeding 1 (4):ȱ706-711.
investigation,ȱ itȱ mayȱ beȱ concludedȱ thatȱ heteroticȱ SinghȱA,ȱSinghȱPK,ȱDixitȱJ,ȱGautamȱJPSȱ1995.ȱHeterosisȱandȱ
hybrids,ȱ Bilahi-2ȱ xȱ H-86ȱ andȱ Himlataȱ xȱ H-86ȱ wereȱ
inbreedingȱ depressionȱ inȱ tomato.ȱ Horticulture Journal
foundȱtoȱbeȱcommonȱamongȱbestȱfiveȱhybridsȱselectedȱ
8 :125-129.
accordingȱtoȱtheirȱ per se ȱperformance,ȱheterobeltiosis,ȱ
Singhȱ PK,ȱ Singhȱ RK,ȱ Sahaȱ BC,ȱ Kumarȱ Rȱ 1988.ȱ Geneticȱ
variabilityȱ inȱ tomatoȱ (Lycopersiconȱ esculentumȱ Mill.).ȱ
standardȱheterosisȱandȱscaȱeffectsȱforȱtotalȱyieldȱinȱ
Indian Journal of Agriculture Science 58 :718-720.
bothȱtheȱenvironmentȱandȱidentifiedȱasȱmostȱvaluableȱ
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