Tom Van Der Zwet

Tom Van Der Zwet · [May be purchased from the Supt. of Docs., U.S. G.P.O.]

91 sayfa · 1992

Bacterial diseases of plants / Fire-blight / Plant diseases / Diagnosis

Tom Van Der Zwet · U.S. Dept. of Agriculture : for sale by the Supt. of Docs., U.S. Govt. Print. Off.

200 sayfa · 1979

Fire-blight / Phytopathogenic bacteria / Erwinia amylovora / Control / Bacterial diseases

Tom Van der Zwet · United States Government Printing Office

Sayfa sayısı yok · 1999

Fire

Tom Van Der Zwet · APS Press/American Phytopathological Society

421 sayfa · 2012

Control / Fire-blight / Bacterial diseases of plants / Erwinia amylovora / History

Tom Van Der Zwet, Norman Franklin Childers · Horticultural Publications

501 sayfa · 1982

Pears / Varieties / Pear industry / Rosaceae

Tom Van Der Zwet, Norman Franklin Childers · Horticultural Pubns

Sayfa sayısı yok · 1982

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