Sharie,, A., Salama, A., Keshta, M., Mohammed, M. (2002). HETEROSIS OF SOME CANOLA HYBRIDS UNDER DIFFERENT PLANT POPULATION DENSITY.. Journal of Plant Production, 27(10), 6599-6612. doi: 10.21608/jpp.2002.256525
A. E. Sharie,; A. M. Salama; M. M. Keshta; M. A. A. Mohammed. "HETEROSIS OF SOME CANOLA HYBRIDS UNDER DIFFERENT PLANT POPULATION DENSITY.". Journal of Plant Production, 27, 10, 2002, 6599-6612. doi: 10.21608/jpp.2002.256525
Sharie,, A., Salama, A., Keshta, M., Mohammed, M. (2002). 'HETEROSIS OF SOME CANOLA HYBRIDS UNDER DIFFERENT PLANT POPULATION DENSITY.', Journal of Plant Production, 27(10), pp. 6599-6612. doi: 10.21608/jpp.2002.256525
Sharie,, A., Salama, A., Keshta, M., Mohammed, M. HETEROSIS OF SOME CANOLA HYBRIDS UNDER DIFFERENT PLANT POPULATION DENSITY.. Journal of Plant Production, 2002; 27(10): 6599-6612. doi: 10.21608/jpp.2002.256525
HETEROSIS OF SOME CANOLA HYBRIDS UNDER DIFFERENT PLANT POPULATION DENSITY.
2Field crops Res. Inst. Agric. Res. Center Giza, Egypt.
Abstract
Two field experiments were. carried out at the Experimental Station, Fac. of Agric., Mansoura Univ. during the growing seasons of 1997/98 and 1998/99. This investigation was aimed to evaluate heterosis estimations of different seed yield, its components and some related traits in some canola parents and their hybrids under different plant population density. The genetic materials used in this investigation included four lines of canola representing a wide range of diverse origins. These four lines are Drakkar, Fido, Serw 4 and Serw 6. These four parental genotypes were made according to a complete diallel matting design to produce 6 Fl hybrids and 6 Fl reciprocals: A split plot design with three replicates was used to evaluate canola parents and their hybrids at different plant population density. It could be summarized the main findings as follows:
The cross combination between S 33 X S 30 also recorded the highest heterosis values over the mid-parents for leaf area index (LAI), number of siliqua per plant, seed yield per plant and seed yield (Ufed) in most of cases. While, the cross combination S 33 X S 34 showed the best cross for oil percentage. Also, the F1r hybrid S 33 X S 30 recorded the highest heterosis value over better parent for seed yield per plant and seed yield (Ufed). The Fl hybrid S 30 X S 34 recorded the highest values of percent heterosis over better parent for number of primary branches per plant and 1000 seed weight. In the case of oil percentage, the cross combination between S 33 X S 34 recorded the best heterosis values over better parent.
It could be concluded that maximum seed yield of canola at Dakahlia district could be gained by planting the F1r hybrid S 33 x S 30 at dense plant population of 20 plants/rrr' (84000 plants/fed).
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