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Mycorrhizal colonisation of three hybrid papayas (Carica papaya) under mulched and bare ground conditions

journal contribution
posted on 06.12.2017, 00:00 authored by Kerry WalshKerry Walsh, S Ragupathy
The use of straw mulching has been demonstrated to decrease soil loss and to improve soil moisture and soil organic matter content in conjunction with papaya (Carica papaya) cultivation. Mulching may also benefit soil biota. In this study, mulching was demonstrated to significantly (P < 0.05) improve arbuscular mycorrhizal fungal colonisation of papaya roots (by a factor of 2.4), but decreased spore density and species diversity (by a factor of 1.5), compared with cultivation in bare ground. The genera Glomus, Acaulospora, Gigaspora and Sclerocystis dominated in both mulched and bare ground systems. The increased mycorrhizal activity in the mulched treatments was matched by an increase in leaf phosphorus in 1995 but not in 1997.

Funding

Category 1 - Australian Competitive Grants (this includes ARC, NHMRC)

History

Volume

47

Issue

1

Start Page

81

End Page

85

Number of Pages

5

eISSN

1836-5787

ISSN

0816-1089

Location

Melbourne

Publisher

CSIRO

Language

en-aus

Peer Reviewed

Yes

Open Access

No

External Author Affiliations

Centre for Plant and Water Science; University of Guelph;

Era Eligible

Yes

Journal

Australian journal of experimental agriculture.