Effect of seedling shoot removal on the yield of grafted tomatoes in high tunnels in the central United States

S. A. Masterson, C. L. Rivard, R. R. Janke, M. M. Kennelly

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Citation (Scopus)

Abstract

Grafting with inter-specific hybrid rootstock is an effective practice for tomato (Solanum lycopersicum) growers looking to reduce soilborne disease organically and increase fruit yield. However, production with grafted tomatoes has not been tested in the central United States and little knowledge exists of grafted plant performance in high tunnels, which are prevalent in the region. Small-acreage, high tunnel, and/or organic growers would like to produce grafted plants themselves, but many have difficulty with propagation. One way that growers may be able to reduce water stress during the post-grafting period is by removing the upper portion of the shoot in order to reduce leaf surface area. However, there currently exists no data that would indicate what this practice has on mature plant yield. Five high tunnel studies were conducted during 2011 and 2012 on commercial farms and a university research location to investigate any potential yield effects related to the use of 'Maxifort' and 'Trooper Lite' rootstocks and shoot removal during the grafting procedure. The implementation of grafted plants significantly affected fruit yield in four out of the five trials (P<0.05). Increases in fruit yield ranged from 18 to 126%. The average yield increases of 'Maxifort' and 'Trooper Lite' rootstocks 53 and 51%, respectively. Our data suggest that shoot removal may penalize mature plant yield and is dependent upon rootstock vigor. For growers wishing to perform tomato grafting using this technique, careful consideration should be made to determine optimum rootstock and scion combinations for successful implementation of this technology.

Original languageEnglish
Title of host publicationXXIX International Horticultural Congress on Horticulture
Subtitle of host publicationSustaining Lives, Livelihoods and Landscapes (IHC2014): International Symposium on Innovation and New Technologies in Protected Cropping
PublisherInternational Society for Horticultural Science
Pages173-179
Number of pages7
Volume1107
ISBN (Electronic)9789462611016
DOIs
Publication statusPublished - Dec 23 2015

Publication series

NameActa Horticulturae
Volume1107
ISSN (Print)0567-7572

Fingerprint

Midwestern United States
rootstocks
grafting (plants)
tomatoes
growers
shoots
seedlings
fruit yield
mature plants
university research
soil-borne diseases
commercial farms
Solanum lycopersicum
scions
vigor
surface area
water stress
leaves

Keywords

  • 'maxifort'
  • Grafting
  • Hoophouses
  • Organic
  • Rootstock
  • Solanum lycopersicum

ASJC Scopus subject areas

  • Horticulture

Cite this

Masterson, S. A., Rivard, C. L., Janke, R. R., & Kennelly, M. M. (2015). Effect of seedling shoot removal on the yield of grafted tomatoes in high tunnels in the central United States. In XXIX International Horticultural Congress on Horticulture: Sustaining Lives, Livelihoods and Landscapes (IHC2014): International Symposium on Innovation and New Technologies in Protected Cropping (Vol. 1107, pp. 173-179). (Acta Horticulturae; Vol. 1107). International Society for Horticultural Science. https://doi.org/10.17660/ActaHortic.2015.1107.23

Effect of seedling shoot removal on the yield of grafted tomatoes in high tunnels in the central United States. / Masterson, S. A.; Rivard, C. L.; Janke, R. R.; Kennelly, M. M.

XXIX International Horticultural Congress on Horticulture: Sustaining Lives, Livelihoods and Landscapes (IHC2014): International Symposium on Innovation and New Technologies in Protected Cropping. Vol. 1107 International Society for Horticultural Science, 2015. p. 173-179 (Acta Horticulturae; Vol. 1107).

Research output: Chapter in Book/Report/Conference proceedingChapter

Masterson, SA, Rivard, CL, Janke, RR & Kennelly, MM 2015, Effect of seedling shoot removal on the yield of grafted tomatoes in high tunnels in the central United States. in XXIX International Horticultural Congress on Horticulture: Sustaining Lives, Livelihoods and Landscapes (IHC2014): International Symposium on Innovation and New Technologies in Protected Cropping. vol. 1107, Acta Horticulturae, vol. 1107, International Society for Horticultural Science, pp. 173-179. https://doi.org/10.17660/ActaHortic.2015.1107.23
Masterson SA, Rivard CL, Janke RR, Kennelly MM. Effect of seedling shoot removal on the yield of grafted tomatoes in high tunnels in the central United States. In XXIX International Horticultural Congress on Horticulture: Sustaining Lives, Livelihoods and Landscapes (IHC2014): International Symposium on Innovation and New Technologies in Protected Cropping. Vol. 1107. International Society for Horticultural Science. 2015. p. 173-179. (Acta Horticulturae). https://doi.org/10.17660/ActaHortic.2015.1107.23
Masterson, S. A. ; Rivard, C. L. ; Janke, R. R. ; Kennelly, M. M. / Effect of seedling shoot removal on the yield of grafted tomatoes in high tunnels in the central United States. XXIX International Horticultural Congress on Horticulture: Sustaining Lives, Livelihoods and Landscapes (IHC2014): International Symposium on Innovation and New Technologies in Protected Cropping. Vol. 1107 International Society for Horticultural Science, 2015. pp. 173-179 (Acta Horticulturae).
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