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Evaluation of Grafting Using Hybrid Rootstocks for Management of Bacterial Wilt in Field Tomato Production

MCAVOY, Theodore ; FREEMAN, Joshua H ; RIDEOUT, Steven L ; OLSON, Stephen M ; PARET, Mathews L

HortScience, 2012-05, Vol.47 (5), p.621-625 [Periódico revisado por pares]

Alexandria, VA: American Society for Horticultural Science

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  • Título:
    Evaluation of Grafting Using Hybrid Rootstocks for Management of Bacterial Wilt in Field Tomato Production
  • Autor: MCAVOY, Theodore ; FREEMAN, Joshua H ; RIDEOUT, Steven L ; OLSON, Stephen M ; PARET, Mathews L
  • Assuntos: Agronomy. Soil science and plant productions ; Bacterial plant pathogens ; Biological and medical sciences ; Fundamental and applied biological sciences. Psychology ; Phytopathology. Animal pests. Plant and forest protection
  • É parte de: HortScience, 2012-05, Vol.47 (5), p.621-625
  • Descrição: Seven hybrid tomato rootstocks with possible resistance to bacterial wilt caused by Ralstonia solanacearum and a known resistant cultivar were tested as grafting rootstocks to impart resistance to a bacterial wilt-susceptible cultivar, BHN 602. Greenhouse studies showed resistance of all the rootstocks to bacterial wilt. The disease incidence and yield of ‘BHN 602’ grafted to these rootstocks were evaluated in open-field tomato production in Florida and Virginia over four seasons. Significant differences in bacterial wilt incidence were observed between grafted entries in three of the four trials. In these three trials, grafted entries consistently exhibited the least bacterial wilt incidence compared with the controls; the self-graft, and non-grafted entries. Over all the trials, tomato plants grafted onto ‘Cheong Gang’, ‘BHN 1054’, and ‘BHN 998’ displayed the least bacterial wilt incidence. Rootstocks had a significant effect on total marketable yield in all the trials with certain grafted entries yielding significantly greater than non-grafted ‘BHN 602’. Field studies show that grafting holds promise for decreasing the impact of bacterial wilt on tomato cultivars as well as increasing the overall productivity of tomato cultivars.
  • Editor: Alexandria, VA: American Society for Horticultural Science
  • Idioma: Inglês
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