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Range Management and Agroforestry
Year : 2011, Volume : 32, Issue : 2
First page : ( 87) Last page : ( 91)
Print ISSN : 0971-2070. Online ISSN : 2249-5231.

Field performance of commercial Egyptian clover (Trifolium alexandrinum L.) cultivars under high temperature condition

Zayed E. M.1,*, Metwali E. M. R.2, Khafaga A. F.3, Azab M. M.1

1Forage Crops Research Department, Field Crops Research Institute, Agricultural Research Center, Giza, Egypt

2Department of Botany, Faculty of Agriculture, Suez Canal University, Ismailia, Egypt

3National Center for Radiation Research and Technology, Atomic Energy Authority, Nasr City, Cairo, Egypt

*Corresponding author e-mail: ehabzayed31@hotmail.com

Abbreviations

ANOVA

=

Analysis of variance

AH

=

Air Humidity

AT

=

Air Temperature

CF

=

crude fibre

CP

=

Crude protein

Ha

=

Hactare (10,000 sqm)

HSP

=

heat shock protein

ST

=

Soil Temperature

Online published on 14 February, 2012.

Received:  25  July,  2011; Accepted:  24  December,  2011.

Abstract

Heat stress due to high temperature is a serious threat to crop production worldwide. This investigation determined field performance of six cultivars from Egyptian clover, i.e., Helaly, Serw 1, Gemmiza 1, Giza 6, Sakha 4 and Fahl under Shandwel Agricultural Research Station Farm, Egypt at high temperature. The results showed that Giza 6 performed the best with total fresh yield (78.35 t ha−1) followed by Sakha 4 (74.7 t ha−1). In dry matter yield the cultivars Giza 6 (multi cut) and Helaly (multi cut) had highest values 11.28 and 11.57 t ha−1, respectively and significant differences among cultivars were recorded. The values of crude protein and crude fiber and ash content per cent differed in different cuts. Fahl cultivar showed no major effect of air and soil temperature and humidity.

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Keywords

Abiotic stress, Clover, Egyptian clover, Fodder, Heat tolerance, Soil temperature, Trifolium.

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