Performance of Different Rice Genotypes under Different Dates of Sowing
Awad-Allah, M., Mikhael, B., AbdEL-Rahem, W. (2019). Performance of Different Rice Genotypes under Different Dates of Sowing. EKB Journal Management System, 10(12), 973-981. doi: 10.21608/jpp.2019.71515
M. M. A. Awad-Allah; B. B. Mikhael; W. T. AbdEL-Rahem. "Performance of Different Rice Genotypes under Different Dates of Sowing". EKB Journal Management System, 10, 12, 2019, 973-981. doi: 10.21608/jpp.2019.71515
Awad-Allah, M., Mikhael, B., AbdEL-Rahem, W. (2019). 'Performance of Different Rice Genotypes under Different Dates of Sowing', EKB Journal Management System, 10(12), pp. 973-981. doi: 10.21608/jpp.2019.71515
Awad-Allah, M., Mikhael, B., AbdEL-Rahem, W. Performance of Different Rice Genotypes under Different Dates of Sowing. EKB Journal Management System, 2019; 10(12): 973-981. doi: 10.21608/jpp.2019.71515

Performance of Different Rice Genotypes under Different Dates of Sowing

Journal of Plant Production
Article 4, Volume 10, Issue 12, December 2019, Page 973-981  XML PDF (612.65 K)
Document Type: Original Article
DOI: 10.21608/jpp.2019.71515
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Authors
M. M. A. Awad-Allah email ; B. B. Mikhael; W. T. AbdEL-Rahem
Rice Res. Dept. Field Crops Res. Inst., ARC, Egypt
Abstract
The present study was carried out at the Experimental Farm of Sakha Agricultural Research Station, Kafr El-Sheikh, Egypt, during 2017 and 2018 rice growing seasons to study the behaviors of four rice genotypes under three dates of sowing. These rice genotypes were the new Egyptian red rice line NRL 54, Giza 177, Giza 178 and Black rice. The results showed that rice plants sown on May 1st or May 15th surpassed those sown on the late date of sowing (May 30th) in days to heading, plant height, number of tillers/plant, number of panicles/plant, panicle length, panicle weight and grain yield per hectare. While, rice plants sown on May 15th or May 1st surpassed those sown on the late date of sowing (May 30th) in thousand grain weight, number of filled grains/panicle and number of spikelets/panicle. Plants of promising line NRL 54 produced the highest grain yield in the two seasons. While, Black rice variety produced the lowest grain yield in the two seasons. It can be concluded that the first two dates of sowing (1st May and 15th May) were the most suitable dates of sowing. While, the promising rice line NRL 54 can be sown on May 30th without yield reduction. The line NRL 54 is more tolerant to delay in sowing date than Black rice variety. Generally, the rice line NRL 54 could be recommended to be sown from May 1st to May 30th. The tolerance of NRL 54 to late sowing gives it an advantage for time isolation.
Keywords
red rice; sowing dates; Grain yield; yield and its attributes; Oryza sativa L
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