A study of the effects of planting date on some morphological qualities of grain corn 540, 647, and 704 in the environmental conditions of Darrehshahr
Journal Title: International Research Journal of Applied and Basic Sciences - Year 2013, Vol 6, Issue 10
Abstract
In order to study the effects of planting date and cultivar on some morphological qualities of corn, a study was done in environmental conditions of Darrehshahr in 1384. The study was done in split plot design and based on a completely randomly design in four recurrent experiments. In this experiment, four planting dates, including 84/4/10, 84/4/20, 84/4/31, and 84/5/10 were considered as the main splits, and cultivation was considered as the secondary factor, including three cultivation (540,647 and 704).The results of analyzing variance tables of yield and yield components demonstrated that the characteristics like plant height, corn height, corn diameter, and corn weight were meaningful in 5? statistical level, while the characteristics like the wet weight of the plant, the dry weight of the plant, and the surface of the leaf were meaningful only in 1? statistical level. However, corn wood diameter was proved to be insignificant. Moreover, it became evident that the effect of cultivar on most of the characteristics is insignificant, and it can be said that in each of these cultivars, retardation in planting causes a downfall in the quality of the plant. Therefore, the 20th of Tir was considered to be the most appropriate planting date for each of the cultivars regarding the considered characters.
Authors and Affiliations
Ali Mogahdam| Department of Geography, Payame Noor University. IR. Of IRAN, Hussein Sharifi Moghadam| Department of Geography, Payame Noor University. IR. Of IRAN, masoomeh amoozadeh| Department of Geography, Payame Noor University. IR. Of IRAN
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