Journal of Food, Agriculture and Environment

Vol 9, Issue 3&4,2011
Online ISSN: 1459-0263
Print ISSN: 1459-0255

Influence of silage maize (Zea mays L.) cultivars and different water level on nutritive value


Ehsan Shahrabian *, Ali Soleymani

Recieved Date: 2011-05-10, Accepted Date: 2011-10-12


Drought is the most frequent cause of nutritive failure of maize hybrids. An experiment was conducted to determine influence of water levels and different maize hybrids on nutritive value. Objective of this study was to investigate the trends in crude protein (CP), neutral detergent fiber (NDF), and acid detergent fiber (ADF) for maize cultivar across water levels. The experiment was conducted at Arak Azad University Research Farm. This investigation was performed to examine the effects of levels of water, WL1 (water saturation deficit (WSD) about 10%), WL2 (WSD about 30%), WL3 (WSD about 50%) and four hybrids (KO6 and single-cross cultivars SC700, SC704 and SC647) on nutritive value. Results showed that CP, NDF and ADF of plants were generally increased by stress. As WSD decreased from highest to the lowest level, CP increased by 18.5%, NDF 5.1% and ADF 6.4%. Single-cross cultivars achieved higher CP and ADF values. Adversely, NDF of KO6 was higher than for other three cultivars. Moreover, WSD1increased from 10.77% to 57.3% and WSD2 from 8.5% to 54.6%. There were no significant differences in response to decreased water level between the cultivars evaluated. Other than the notable change was observed in WSD2 for KO6. In addition, KO6 had improved leaf water relations compared to other cultivars, but the nutritive attribute of single-cross cultivars appeared to be more significant.


Nutritive value, crude protein, forage, water saturation deficit

Journal: Journal of Food, Agriculture and Environment
Year: 2011
Volume: 9
Issue: 3&4
Category: Agriculture
Pages: 336-339

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