THE INFLUENCE OF ENVIRONMENT ON THE EXPRESSION OF RUSSIAN WHEAT APHID; Diuraphis noxia (KURDJUMOV) RESISTANCE
The purpose of this study was to investigate the effect of variations in climatic factors such as vernalization periods, minimum- and maximum temperatures and rainfall on the expression of host plant resistance to RWASA1 (original biotype) and RWASA2 (newly identified biotype) in the eastern Free St...
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| Format: | Others |
| Language: | en-uk |
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University of the Free State
2009
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| Online Access: | http://etd.uovs.ac.za//theses/available/etd-04082009-140505/restricted/ |