Studies of the effects of apple root distribution on the spread of Phymatotrichopsis omnivora within apple orchards /

Apple trees (Malus sylvestris var. domestica.) were studied in three orchards in Kerrville, Texas to determine root distribution within orchards using the soil core method. Root losses associated with washing and storing soil cores were identified and a data correction curve was developed to correct...

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Bibliographic Details

Main Author:	Watson, Wesley Todd, 1964-
Format:	Thesis Book
Language:	English
Published:	[Place of publication not identified] : [publisher not identified] ; 1999.
Subjects:	Major plant pathology.
Online Access:	http://proxy.library.tamu.edu/login?url=http://proquest.umi.com/pqdweb?did=731681301&sid=1&Fmt=2&clientId=2945&RQT=309&VName=PQD