ESTIMATION OF HETEROSIS, INBREEDING DEPRESSION AND COMBINING ABILITY IN SNAP BEANS (Phaseo/us vulgaris) USING LINE X TESTER ANALYSIS. | ||||
| Journal of Plant Production | ||||
| Article 16, Volume 27, Issue 10, October 2002, Page 6907-6918 PDF (3.59 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jpp.2002.256542 | ||||
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| Author | ||||
| S. M. A. Mohamed, | ||||
| Veg. Res. Dept, Hort. Res. Inst., Agric. Res. Center, Giza, Egypt. | ||||
| Abstract | ||||
| The present study on using "Line x Tester analysis" was conducted to find out heterosis, inbreeding depression and combining ability on Snap Beans during years 1999 and 2000 autumn season. The variances due to genotypes were significant for all characters in both seasons except for vitamin C content in 1999. The highest percentage of heterosis over high parent for yield per plant was observed in the cross (2 x 6) in both seasons. Variety Serbo had high GCA for yield per plant in the two seasons. Estimates of heterosis, GCA (general combining ability) and SCA (specific combining ability) showed that the best combiners were Serbo and Helda, while the best combinations were (1 x 6), (2 x 5) and (2 x 6). | ||||
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