Search Results - De Jager, J. N. W.(Johan Nicolaas Wilhelm)

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    n Oorsig oor die koringsiektesituasie in Suid-Afrika, met spesiale verwysing na stamroes, en oorwegings in verband met 'n nasionale koringsiekteprogram by De Jager, J. N. W.(Johan Nicolaas Wilhelm)

    Published 2012
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    Evaluering van weerstand in koring teen Puccinia graminis tritici by De Jager, J. N. W.(Johan Nicolaas Wilhelm)

    Published 2012
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