EVALUATION OF DIFFERENT WHEAT GENOTYPES IN RELATION TO GROWTH AND PHYSIOLOGICAL CHARACTERS AND THEIR CONTRIBUTION TO GRAIN YiElD.
Abstract: Two field experiments were carried out in 1991-1992 (in Gemmezah Res Sta.) and 1992-1993 (in BahteeMRes. Sta.) to evaluate 12 wheat genotypes (Giza 155, 157, 160, 162, 163,164,165, Sakha 8, 69, 92, Gemmezah 1, and Yecora) grown under 40, 50, 60 and 70 kg / fad. seeding rates. Results showed that:
1- Seeding rates had significant effect on heading date, maturity date, flag leaf area, number of kernels / spike , and grain yield /fad.
In 1991-1992 increasing seeding rate reduced grain yild due to a reduction in harvest index.
2- The evaluated genotypes markedly varied in all growth, developmental and yield characters. In 1991 -1992 season, the highest grain yield was recorded with Giza 165 and Giza 164. In 1992-1993 Giza 157 was the best variety.
3- In 1991 - 1992, sowing Giza 162 at 50 kg/ fad. recorded the highest grain yield / fad., whereas in 1992-1993 the highest grain yield/fad. was recorded by Giza 163 seeded at 60 kg/fad.
4. Path - coefficient analysis indicated that kernels weight spike-1 had the highest direct effect (-0.81), in the 1992-1993 season, on grain yield, but its direct effect was fairly moderate (0.33) in the 1991-1992 season.
5. Flag liaf area, in the 1992 -1993 season, had the highest direct effect (0.77).
Publication year 1996
Availability location 9 شارع الجامعة- الجيزة
Availability number
Organization Name
Country Egypt
Author(s) from ARC
Agris Categories Agriculture - General aspects
AGROVOC
TERMS		 Grain. Wheats.
Publication Type Master Thesis
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