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Impact of chemical, biological and cultural treatments on the growth and yield of apple in replant-disease soil

Impact of chemical, biological and cultural treatments on the growth and yield of apple in... An orchard experiment was established to determine the long-term (six year) effects of chemical (sodium methyldithiocarbonate — metam sodium), fertiliser (monoammonium phosphate) and biological agents [strain B8 of Enterobacter agglomerans, strain EBW-4 of Bacillus subtilis and Glomus intraradices (GI)] alone and in selected combinations on tree growth, fruit production and root rot incidence of apple trees in apple-replant-disease soil that was conducive to replant disease over six years. The response was measured by increases in trunk cross-sectional area, fruit yield and percent root rot of Gala apple trees on M.9 rootstock. The application of E. agglomerans (B8), B. subtilis (EBW-4), G. intraradices (GI), metam sodium (MS), MS + B8, MS + GI and B8 + EBW-4 significantly increased fruit yield, tree trunk growth and reduced infection by Phytophthora cactorum and Pythium ultimum. These results suggest the potential use of E. aerogenes (B8), B. subtilis (EBW-4) and G. intraradices to increase growth and fruit production of apple trees planted in soil conducive to replant disease. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Australasian Plant Pathology Springer Journals

Impact of chemical, biological and cultural treatments on the growth and yield of apple in replant-disease soil

Australasian Plant Pathology , Volume 29 (2) – Jan 28, 2011

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Publisher
Springer Journals
Copyright
Copyright © 2000 by Australasian Plant Pathology Society
Subject
Life Sciences; Plant Pathology; Plant Sciences; Agriculture; Entomology; Ecology
ISSN
0815-3191
eISSN
1448-6032
DOI
10.1071/AP00021
Publisher site
See Article on Publisher Site

Abstract

An orchard experiment was established to determine the long-term (six year) effects of chemical (sodium methyldithiocarbonate — metam sodium), fertiliser (monoammonium phosphate) and biological agents [strain B8 of Enterobacter agglomerans, strain EBW-4 of Bacillus subtilis and Glomus intraradices (GI)] alone and in selected combinations on tree growth, fruit production and root rot incidence of apple trees in apple-replant-disease soil that was conducive to replant disease over six years. The response was measured by increases in trunk cross-sectional area, fruit yield and percent root rot of Gala apple trees on M.9 rootstock. The application of E. agglomerans (B8), B. subtilis (EBW-4), G. intraradices (GI), metam sodium (MS), MS + B8, MS + GI and B8 + EBW-4 significantly increased fruit yield, tree trunk growth and reduced infection by Phytophthora cactorum and Pythium ultimum. These results suggest the potential use of E. aerogenes (B8), B. subtilis (EBW-4) and G. intraradices to increase growth and fruit production of apple trees planted in soil conducive to replant disease.

Journal

Australasian Plant PathologySpringer Journals

Published: Jan 28, 2011

References