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Effect of late planting on grain yield of some maize hybrids [electronic resource].

By:

Hassan, M. M. M

Contributor(s):

Balbaa, M. G

Language: English Summary language: Arabic Description: p.353-359Other title:

تأثير مواعيد الزراعة المتأخرة علي بعض هجن الذرة الشامية [Added title page title]

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Bulletin of Faculty of Agriculture. Cairo University, 2012 v. 63 (4) [electronic resource].

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In: The Bulletin Faculty of Agriculture, Cairo University 2012.v.63(4)Summary: This investigation was conducted at Nubaria Res. Stn. In 2010 and 2011 seasons to study the response of some maize hybrids to late planting dates. Eleven maize hybrids (SC10, SC122, SC128, SC129, SC164, SC166, SC167, SC168, TWC321, TWC324 and TWC329) were planted on July1, July15, Aug.1 and Aug.15. Results showed significant yield differences among the hybrids in their response to late planting. Delaying planting after July 15th significantly increased the number of days from planting to 50% tasseling and silking but decreased plant and ear heights. Grain yield reduced with delaying planting from Julyl to Aug.15. Growing maize in the period from July 15 to Aug.1 significantly increased leaf blight disease infection, while planting on Aug.15 showed significant decrease in disease infection compared to planting on the previous period. Single cross 10 surpassed all hybrids in grain yield (19.40 ard/fed) in the first season, while TWC 321 produced the highest grain yield (20.36 ard/fed) in the second one.

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This investigation was conducted at Nubaria Res. Stn. In 2010 and 2011 seasons to study the response of some maize hybrids to late planting dates. Eleven maize hybrids (SC10, SC122, SC128, SC129, SC164, SC166, SC167, SC168, TWC321, TWC324 and TWC329) were planted on July1, July15, Aug.1 and Aug.15. Results showed significant yield differences among the hybrids in their response to late planting. Delaying planting after July 15th significantly increased the number of days from planting to 50% tasseling and silking but decreased plant and ear heights. Grain yield reduced with delaying planting from Julyl to Aug.15. Growing maize in the period from July 15 to Aug.1 significantly increased leaf blight disease infection, while planting on Aug.15 showed significant decrease in disease infection compared to planting on the previous period. Single cross 10 surpassed all hybrids in grain yield (19.40 ard/fed) in the first season, while TWC 321 produced the highest grain yield (20.36 ard/fed) in the second one.

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