Effect of weed control methods on weeds, growth and yield of some maize (Zea mays L) cultivars.
Abstract: A field trial was conducted during 2006 and 2007 summer seasons in naturally highly infested fields with cocklebur and spurge weed species at Sids Agric. Res. Stn (beni-Suef governorate), to study the effect of spraying two herbicides Suat (isoproturon) and Sencor (metribuzin) on controlling annual weeds in maize fields, growth and yield of three maize cultivars, i.e. Single-Cross 10 (SC 10), Three-way cross 314 (TWC 314) and Giza 2 compared with hand hoeing twice.
Results indicated that fresh weight of cocklebur and total weeds significantly decreased by 21.5 and 10.2% for SC 10, 15.9 and 10.6% for TWC 314, respectively compared with Giza 2. In addition, SC 10 significantly surpassed Giza 2 in plant height, ear height, and grain yield in ardab per faddan (ard fad-1). Maximum reduction in the fresh weight of cocklebur, spurge and total weeds due to using Suat, hand hoeing twice, and Sencor was 97.8, 96.2, and 85.9%; 18.8, 97.2, and 41.4%; and 62.9, 93.2 and 66.2%, in the three maize varieties respectively compared with unweeded plots (check). All weed control treatments increased plant height, ear height, number of ears plant-1 and grain yield in ardab faddan (ard fad-1) compared with the control treatment. The highest increase in grain yield percentage was observed by controlling weeds by hand hoeing twice followed by spraying Suat at 1.0 L fad-1 and Sencor at the rate of 300 g fad-1 (86.3, 67.6 and 34.5%), respectively. The interaction effect of weed control and maize varieties was significant for cocklebur, spurge and total weeds fresh weight as well as number of ears plant-1 and grain yield (ard fad-1). Weed control in SC 10 fields was more effective using hand hoeing twice,whereas spraying Suat at the rate of 1 L fad-1 was the best treatment for controlling weeds in TWC 314 fields. Finally, spraying Suat as post emergence at 1 L fad-1 was more effective for controlling broad-leaved weeds in maize field especially weeds that were tolerant to Atrazine without any reduction in grain yield.
Publication year 2008
Pages 134-146
Availability location المعمل المركزى لبحوث الحشائش
Availability number
Organization Name
serial title Egypt. J. of Appl. Sci.
ISSN 1110-1571
Author(s) from ARC
External authors (outside ARC)
    محمد المهدى محمد عبد العظيم1 . قسم بحوث الذرة الشامية- معهد بحوث المحاصيل الحقلية- مركز البحوث الزراعية –الجيزة – ج.م.ع.
AGROVOC
TERMS		 Maize. Varieties. Weed control.
Publication Type Journal
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