VARIETAL PEDIGREES                                                                         TGC REPORT 52, 2002 ____________________________________________________________________________________ Ohio OX150 Hybrid Processing Tomato David M. Francis, Stan Z. Berry, Troy Aldrich, Ken Scaife, and Winston Bash Horticulture and Crop Science The Ohio State University, OARDC 1680 Madison Ave. Wooster, OH 44691 Introduction: Ohio OX150 is an early to early-mid season processing tomato (Lycopersicon esculentum Mill.) hybrid adapted to high population  transplant culture, machine harvest, and bulk  handling  under  humid  growing  environments.    It  is  suited  for  the  production  of  peeled, whole-canned, and diced tomato products. Origin:    Ohio  OX150  is  the  F1  hybrid  resulting  from  the  cross  of  the  inbred  line  O88119 described  by  Berry  et  al.  (1995)  and  Ohio  9242.    ‘Ohio  9242’  is  an  F8  selection  derived  by single seed decent from the F6 selection A1816.  The selection A1816 is derived from a cross between  ‘Ohio  832’  (Berry  et  al.,  1986)  variant  ‘O9149’  (Montagno  et  al.,  1988)  and  ‘Ohio 8556’ (Berry et. al., 1993). ______ |    O88119 | | ‘Ohio OX150’ ____ | | _____ | | Ohio 832 (variant O9149) | | |______Ohio 9242  _______ | | |_____ Ohio 8556 Fig. 1.  Pedigree of ‘Ohio OX150’ Description:    Ohio  OX150  vines  are  medium  in  size,  semi-prostrate,  and  determinate  (sp).   Foliage cover is excellent for ensuring good fruit quality and at maturity the vines cover the row area uniformly.  The average maturity from transplant to harvest of ‘Ohio OX150’ is 97.1 days over four years of field testing, comparable to the early season standard, ‘Ohio 7983’ (Berry et al., 1992). The  average  machine  harvest  yield  of  Ohio  OX150  was  32.8  T/A  over  four  years  of testing, outperforming the major early season varieties open pollinated variety Ohio 7983 and comparing  favorably  to  OX  52  (Francis  et  al.,  2000)  (though  differences  were  not  always significant).  Yields  of  ‘Ohio  OX150’  were  comparable  to  the  main-season  open  pollinated variety Ohio 8245 and the main-season hybrid Heinz 9423.  Yields were somewhat less than the major main-season variety Peto 696 (Table 1). 36

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