Double Cross Hybrids Performance for Quality and Earliness Traits in some Egyptian Cotton Genotypes
El-Kadi, D., Abd El-Shafi, M., El-Feki, T., Abd El- Mohsen, A., Abd Al Aziz, E. (2021). Double Cross Hybrids Performance for Quality and Earliness Traits in some Egyptian Cotton Genotypes. EKB Journal Management System, 12(12), 1399-1405. doi: 10.21608/jpp.2022.113369.1080
D. A. El-Kadi; M. A. Abd El-Shafi; T. A. El-Feki; A. A. Abd El- Mohsen; Eman s. E. Abd Al Aziz. "Double Cross Hybrids Performance for Quality and Earliness Traits in some Egyptian Cotton Genotypes". EKB Journal Management System, 12, 12, 2021, 1399-1405. doi: 10.21608/jpp.2022.113369.1080
El-Kadi, D., Abd El-Shafi, M., El-Feki, T., Abd El- Mohsen, A., Abd Al Aziz, E. (2021). 'Double Cross Hybrids Performance for Quality and Earliness Traits in some Egyptian Cotton Genotypes', EKB Journal Management System, 12(12), pp. 1399-1405. doi: 10.21608/jpp.2022.113369.1080
El-Kadi, D., Abd El-Shafi, M., El-Feki, T., Abd El- Mohsen, A., Abd Al Aziz, E. Double Cross Hybrids Performance for Quality and Earliness Traits in some Egyptian Cotton Genotypes. EKB Journal Management System, 2021; 12(12): 1399-1405. doi: 10.21608/jpp.2022.113369.1080

Double Cross Hybrids Performance for Quality and Earliness Traits in some Egyptian Cotton Genotypes

Journal of Plant Production
Article 15, Volume 12, Issue 12, December 2021, Page 1399-1405  XML PDF (1 MB)
Document Type: Original Article
DOI: 10.21608/jpp.2022.113369.1080
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Authors
D. A. El-Kadi1; M. A. Abd El-Shafi1; T. A. El-Feki2; A. A. Abd El- Mohsen3; Eman s. E. Abd Al Aziz email 1
1Agronomy Department, Faculty of Agriculture, Cairo University, Egypt
2Cotton Research Institute, Agricultural Research Center, Egypt
3Faculty of Agriculture, Cairo University, Agronomy Department, Egypt
Abstract
Genotypes used in present investigation consisted of five cotton varieties belong to (Gossypium barbadense, L.). Three of these varieties were long staple, BBB (big black boll) (P1), Australian (P2) and G97 (P3) while the other two varieties were extra-long staple, Giza 92 (P4) and G96 (P6). Hybrids produced from these parents and evaluated with their parents in Sakha Agricultural Research Station, Egypt. Studied traits were; first fruiting node, days to first flower appearance, duration of the boll maturation, upper half mean (U.H.M), fiber strength and micronaire value. Highly significant differences among parents were detected for all traits,  excluding days to opening first boll and upper half mean .  Difference between single crosses was highly significant for all traits, except for days to first flower and upper half mean . Significant differences between double crosses were detected for all traits, excluding upper half mean . Alpha lattice analysis exhibited more efficiency than randomized complete block design at analyzing all of studied traits except for first fruiting node. Lowest values of   (CV%) and  SE were recorded for all traits excluding micronaire reading in Reml analysis which indicates high experimental precision
Keywords
Gossypium barbadense; Single crosses; double crosses; alpha lattice design; ordinary Reml; mid-parent heterosis; earliness and quality traits
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