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Len Verwoerd

10 cilt bulundu.

Cilt sonuçları

Puccinia graminisThe distribution and prevalence of physiologic forms of Puccinia graminis tritici in the Union of South Africa, 1930-1934Len Verwoerd

The distribution and prevalence of physiologic forms of Puccinia graminis tritici in the Union of South Africa, 1930-1934

Len Verwoerd · Nasionale Pers, Beperk

Sayfa sayısı yok · 1935

Puccinia graminis

Black chaff of wheatPreliminary report on the occurrence in South Africa of black chaff disease in wheatLen Verwoerd

Preliminary report on the occurrence in South Africa of black chaff disease in wheat

Len Verwoerd · Nasionale Pers, Beperk

Sayfa sayısı yok · 1930

Black chaff of wheat

Puccinia graminisDie besmettingsvermoë van die teleuto-stadium van Puccinia graminis Pers. in Suid-AfricaLen Verwoerd

Die besmettingsvermoë van die teleuto-stadium van Puccinia graminis Pers. in Suid-Africa

Len Verwoerd · Nasionale Pers, Beperk

Sayfa sayısı yok · 1931

Puccinia graminis

CiltAncestors of Christiaan Hendrik PersoonLen Verwoerd

Ancestors of Christiaan Hendrik Persoon

Len Verwoerd · Yayınevi bilinmiyor

Sayfa sayısı yok

Kategori yok

CiltPeronospora mesembryanthemi,n.sp., die oorsaak van 'n donsige skimmelsiekte van Mesembryanthemum-soorteLen Verwoerd

Peronospora mesembryanthemi,n.sp., die oorsaak van 'n donsige skimmelsiekte van Mesembryanthemum-soorte

Len Verwoerd · Yayınevi bilinmiyor

Sayfa sayısı yok · 1924

Kategori yok

CiltAantekenings oor 'N Paar Minder Bekende Suid-Afrikaanse SwammeLen Verwoerd

Aantekenings oor 'N Paar Minder Bekende Suid-Afrikaanse Swamme

Len Verwoerd · Yayınevi bilinmiyor

Sayfa sayısı yok · 1928

Kategori yok

NidulariaceaeSuid-Afrikaanse Lycoperdaceae en NidulariaceaeLen Verwoerd

Suid-Afrikaanse Lycoperdaceae en Nidulariaceae

Len Verwoerd · Nasionale Pers, Beperk

45 sayfa · 1925

Lycoperdaceae / Nidulariaceae

CiltA preliminary list of fungi from the Bloemfontein district of the Orange Free StateLen Verwoerd

A preliminary list of fungi from the Bloemfontein district of the Orange Free State

Len Verwoerd · Yayınevi bilinmiyor

Sayfa sayısı yok · 1931

Kategori yok

Smut fungi'n Bydrae tot ons kennis van die Suid-Afrikaanse ustilaginales of brandswammeLen Verwoerd

'n Bydrae tot ons kennis van die Suid-Afrikaanse ustilaginales of brandswamme

Len Verwoerd · Nasionale Pers, Beperk

34 sayfa · 1926

Smut fungi

CiltDescriptions of some new species of South African fungi and of species not previously recorded in South Africa-Len Verwoerd, S. J. Du Plessis

Descriptions of some new species of South African fungi and of species not previously recorded in South Africa-

Len Verwoerd, S. J. Du Plessis · Yayınevi bilinmiyor

297 sayfa · 1931

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