Taha, A., Bleih, E., Khorchid, A., EL-Kallawy, W. (2022). Influence of sowing date on yield and yield attributes of rice genotypes and infestation by rice leafminer and rice stem borer. Menoufia Journal of Plant Production, 7(9), 215-233. doi: 10.21608/mjppf.2023.182420.1019
A. S Taha; Eman M Bleih; A. M Khorchid; W. H EL-Kallawy. "Influence of sowing date on yield and yield attributes of rice genotypes and infestation by rice leafminer and rice stem borer". Menoufia Journal of Plant Production, 7, 9, 2022, 215-233. doi: 10.21608/mjppf.2023.182420.1019
Taha, A., Bleih, E., Khorchid, A., EL-Kallawy, W. (2022). 'Influence of sowing date on yield and yield attributes of rice genotypes and infestation by rice leafminer and rice stem borer', Menoufia Journal of Plant Production, 7(9), pp. 215-233. doi: 10.21608/mjppf.2023.182420.1019
Taha, A., Bleih, E., Khorchid, A., EL-Kallawy, W. Influence of sowing date on yield and yield attributes of rice genotypes and infestation by rice leafminer and rice stem borer. Menoufia Journal of Plant Production, 2022; 7(9): 215-233. doi: 10.21608/mjppf.2023.182420.1019
Influence of sowing date on yield and yield attributes of rice genotypes and infestation by rice leafminer and rice stem borer
A two-year field experiments were conducted at the experimental farm of Rice Research Department, Sakha, Kafr El-Sheikh, Egypt during 2020 and 2021 seasons. The objective was to study the effect of three sowing dates (May1st, May15th and June1st) on yield, yield attributes of 21 rice genotypes, and infestation by rice leaf miner (Hydrellia prosternalis Deem.) and rice stem borer (Chilo agamemnon Bles.). Sowing date significantly affected all studied characters in both years. The highest values of flag leaf area, number of panicles per hill, panicle weight, total number of grains per panicle, percentage of filled grain, 1000-grain weight and grain yield were recorded in the earliest sowing date while the lowest values were obtained with the latest one. Statistical analysis revealed that the rice genotypes were significantly different in all the studied traits. The highest values of grain yield and most of the studied characters were observed in Giza 179 and GZ10804-3-1-2-2-2, followed by Giza 178 and Sakha 108 rice cultivars. Rice leafminer infestation significantly increased gradually as the sowing was later. Giza 178 and Giza 179 rice cultivars suffered the highest infestation, followed by GZ 9399-4-1-1-2-1-2 and GZ 10778-17-1-6-1 promising lines. The rice stem borer infestation significantly decreased by delaying the planting date. GRYT-26-17-178, GRYT-29-17-178 lines and Korea 27 rice genotypes recorded the highest infestation with both dead hearts and white heads.
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