Evaluering van weerstand in koring teen Puccinia graminis tritici

De Jager, J. N. W.(Johan Nicolaas Wilhelm) (1972)

Proefskrif (M. Sc. Agric.) -- Universiteit van Stellenbosch, 1972.

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Please refer to this item in SUNScholar by using the following persistent URL: http://hdl.handle.net/10019.1/64219
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