Articles

UTILIZATION OF GRAFTED TOMATO SEEDLINGS FOR BACTERIAL WILT RESISTANCE IN OPEN FIELD PRODUCTION

Article number
914_61
Pages
337 – 339
Language
English
Abstract
Seven tomato rootstocks claiming resistance to bacterial wilt (Ralstonia solanacearum L.) were used in combination with a single tomato scion to evaluate the performance of grafted seedlings in open field production.
A self-grafted entry was included to ensure that the grafting process did not impact bacterial wilt resistance or fruit yield.
Bacterial wilt incidence was variable between trials.
The self-graft as well as the grafted entries had low incidence of bacterial wilt infection in one trial and while the self-graft and un-grafted entries had high incidence in one trial.
Significant differences in bacterial wilt incidence were observed in both trials between resistant rootstocks and self- and non-grafted entries.
Rootstock had a significant effect on total marketable yield in both trials with certain grafted entries yielding significantly greater than un-grafted ‘BHN 602’. These data show that grafting holds promise for increasing the disease resistance in tomato cultivars as well as increasing the overall productivity of tomato cultivars.

Publication
Authors
J. Freeman, T. McAvoy , S. Rideout, M. Paret , S. Olson
Keywords
Solanum lycopersicum, Ralstonia solanacearum, tube graft, disease
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