THE GENETIC BEHAVIOR FOR SOME ECONOMIC TRAITS IN WATERMELON UNDER WINTER PLANTING CONDITIONS AT THE OPEN FIELD | ||||
| Journal of Plant Production | ||||
| Article 6, Volume 28, Issue 10, October 2003, Page 7263-7271 PDF (2.2 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jpp.2003.245245 | ||||
 View on SCiNiTO | ||||
| Author | ||||
| M. M. Abd EI-Salam, | ||||
| Veget. Res. Dept., Hort. Res. Inst., Agric. Res. Center, Egypt. | ||||
| Abstract | ||||
| The crosses were made between watermelon cold sensitive cultivar (Giza21) and cold tolerant inbreed line (PIPP8-261). Individual plant data from six generations (P"P2,F"F2,BC"BC2) were subjected to an analysis of generation means to study the genetic behavior for the vegetative, yield and fruit traits under winter conditions at open field. Heterosis of the F, over mid-parent was significant f or a II studied traits except mature leaf area. The value of potence ratio exceeds one for number of fruits I plant and total yield I plant, but it was less than one for fruit weight and total soluble solids content. Broad sense heritability was low for number of fruits I plant and total soluble solids; and high for fruit weight ar.d total yield I plant. The low temperature - tolerance in winter was to controlled by a single dominant gene, which could be used for the development of new cold - tolerance varieties and F, hybrids, thus providing economic gain due to earlier planting in the open field. | ||||
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