Vegetable Breeding The Potential of Breeding Tomato Hybrids for Salinity Tolerance

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  • Engels
  • Paperback
  • 9783639255737
  • 05 mei 2010
  • 172 pagina's
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Samenvatting

The research work was conducted to understand the morphological and physiological mechanisms of salt tolerance in tomato. The genotypic responses of 72 tomato genotypes to salinity have been compared using absolute and relative values measuring shoot and root lengths, and their fresh weights. As the relative/absolute root length had the highest heritability among all the four traits therefore it was used to select salt tolerant (LA2661, CLN2498A, CLN1621L, BL1176, 6233 17870) and non-tolerant genotypes (17902, LO2875 and LO4360). The differing salt tolerance of these genotypes was also verified by analysing Na+, K+ contents and K+/ Na+ ratio. The tolerant and non-tolerant genotypes were grown to maturity to see whether or not the selected genotypes maintained their degree of salt tolerance. The data of F1 hybrids between six tolerant and three non-tolerant parents under normal and saline conditions were collected and analysed to determine the gene action involved in the expression of these characters. The estimates of GCA, SCA and heterosis were also made for various morpho-physiological characters to select the combinations better than parents.

Productspecificaties

Inhoud

Taal
en
Bindwijze
Paperback
Oorspronkelijke releasedatum
05 mei 2010
Aantal pagina's
172
Illustraties
Nee

Betrokkenen

Hoofdauteur
Asif Saeed
Hoofduitgeverij
Vdm Verlag

Overige kenmerken

Extra groot lettertype
Nee
Product breedte
152 mm
Product hoogte
10 mm
Product lengte
229 mm
Studieboek
Ja
Verpakking breedte
152 mm
Verpakking hoogte
10 mm
Verpakking lengte
229 mm
Verpakkingsgewicht
259 g

EAN

EAN
9783639255737

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