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Phyllosticta leaf spot, fruit blotch, and canker of the apple : its etiology and control

Auteur(s): Guba, Emil Frederick
Date de publication: 1925.
Éditeur(s): University of Illinois Agricultural Experiment Station
Contributeur(s): Biodiversity Heritage Library
Collection(s): Biodiversity Heritage Library
Catégorie: Others
Le sujet(s): Apples--Diseases and pests. , Apple blotch.
mots-clés: Apple blotch. Apples Diseases and pests.

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A study of soybean varieties with reference to their use as food

Auteur(s): Woodruff, Sybil , Klaas, Helen
A study of the factors influencing the improvement of the potato

Auteur(s): East, Edward M.
Some important insects of Illinois shade trees and shrubs

Auteur(s): Forbes, Stephen Alfred

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