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- Title
HYBRID DEVELOPMENT FOR RESISTANCE TO LATE BLIGHT AND ROOT KNOT NEMATODES IN TOMATO (Solanum lycopersicum L.).
- Authors
KUMAR, V.; JINDAL, S. K.; DHALIWAL, M. S.; MEENA, O. P.
- Abstract
Fifty-six accessions of tomato (10 lines, 4 tester, 40 F1 hybrids, 1 standard check and 1 susceptible check) were evaluated for 10 attributes to ascertain the extent of standard heterosis; identify a few promising cross-combinations resistant to late blight and root knot nematode along with appropriate heterosis. The extent of of heterosis were reported from 4.55 to 47.17% for total fruit yield, -24.14 to 33.84% for pericarp thickness, 0.80 to 28.57% for dry matter, -368.75 to 29.58% for lycopene; over standard the check. Only one hybrid combination LBR-15 × EC-119197 (3.31%) exhibited standard heterosis for TSS. Out of 40 hybrids, 4 namely, LBR-19 × 8-2-1-2-5, LBR-12 × EC-119197, LBR-13 × 1-6-1-4 and LBR-6 × 1-6-1-4 were observed with high disease resistance to late blight and root knot nematodes vis-à-vis appropriate heterosis for desirable traits; particularly fruit yield, fruit weight, pericarp thickness, TSS and dry matter.
- Subjects
TOMATO research; NEMATODES; HETEROSIS; FRUIT yield; FRUIT anatomy
- Publication
SABRAO Journal of Breeding & Genetics, 2015, Vol 47, Issue 4, p340
- ISSN
1029-7073
- Publication type
Article