RESPONSE OF TWO MAIZE (Zea mays L.) GENOTYPES FOR SOME WATER STRESS AND NITROGEN FERTILIZATION TREATMENTS | ||||
| Fayoum Journal of Agricultural Research and Development | ||||
| Article 24, Volume 23, Issue 1, January 2009, Page 45-53 PDF (306.81 K) | ||||
| Document Type: Research articles. | ||||
| DOI: 10.21608/fjard.2009.197035 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| F.S. Abd El-Samei; M.D.H. Dewdar; S.K.A. Ismail | ||||
| Argon. Dept. Fac. Agric., Fayoum Univ. | ||||
| Abstract | ||||
| Two field experiments were conducted during 2006 and 2007 successive seasons at the experimental Farm of Fayoum Fac. of Agric., to quantify the single and combined effects of different irrigation intervals (10, 15 and 20 days) and rates of nitrogen fertilization (100,120 and 140 kg N/fed.) on growth, yield and yield components of two maize genotypes, i.e.(single- cross 10) and (three way cross 310). The results indicated that S.C.10 gave the highest values of most studied characters, especially plant height,100 grain weight and grain yield (kg/fed.) where the values were 245 (cm), 35.97 (g) and 2475.37 (kg), respectively. Application of 10 days (I1) significantly increased plant height, ear length ear diameter, 100-grain weight and grain yield/feddan. Using the rate of 140 kg N /fed.(N3) significantly increased plant height, leaf area, number of rows /ear, number of grain,100-grain weight and grain yield/feddan by values of 262 (cm), 2678 (cm2), 13.30 (row), 44.64 (grain), 37.53 (g) and 2565.17(kg) surpassing 100 (N1) and 120 kg N/fed. (N2).The results also indicated that planting S.C.10 and T.W.C. 310 under 10 day (I1) gave the lowest number of days to 50% tasseling and silking traits. | ||||
| Keywords | ||||
| Maize hybrids; irrigation intervals; nitrogen fertilization | ||||
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