Hybrid vigor of local summer squash hybrids
ANBAR JOURNAL OF AGRICULTURAL SCIENCES,
2007, Volume 5, Issue 2, Pages 215-224
AbstractTwo field experiments were carried out in 2000 and 2001 on summer squash (Cucurbita pepo L.) under plastic house in Abu-Ghraib Vegetable Research Station / IPA Agric. Res. Center. The objective was to evaluate hybrid vigour of some traits. Four inbreds used to produce hybrids in a full diallel cross . The inbreds , hybrids , and check hybrid (Opalin) were tested in a yield trial for traits evaluation . Two hybrids gave higher vigour (as compared to best parent). The hybrids (1x2) and (3x1) gave (70%) (32%) hybrid vigour in yield. then the last hybrid is characterized by high level of hybrid vigour in yield per plant (62%) and in weight of fruit (25%). It was registered and released by National Committee for Registration and Release of Agriculture Varieties in Ministry of Agriculture at the name IPA-2003 It was out yielded the check foreigen hybrid (Opalin) Seeds of the hybrid and parents was kept in the genetic seed bank in State Board of Applid Agriculture Research. .
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