CMU Intellectual Repository: Effects of temperature,CO2, and water deficit on peanut growth and aspergillus flavus infection / Jarunee Pilumwong

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Copyright  by Chiang Mai University

A l l r i g h t s r e s e r v e d

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EFFECTS OF TEMPERATURE, CO

2

, AND WATER DEFICIT ON PEANUT GROWTH AND

ASPERGILLUS FLAVUS INFECTION

JARUNEE PILUMWONG

DOCTOR OF PHILOSOPHY IN AGRONOMY

THE GRADUATE SCHOOL CHIANG MAI UNIVERSITY

SEPTEMBER 2006 ISBN 974-9894-15-4

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Copyright  by Chiang Mai University

EFFECTS OF TEMPERATURE, CO

2

, AND WATER DEFICIT ON PEANUT GROWTH AND

ASPERGILLUS FLAVUS INFECTION

JARUNEE PILUMWONG

A THESIS SUBMITTED TO THE GRADUATE SCHOOL IN PARTIAL FULFILLMENT OF THE REQUIREMENTS

FOR THE DEGREE OF DOCTOR OF PHILOSOPHY

IN AGRONOMY

THE GRADUATE SCHOOL CHIANG MAI UNIVERSITY

SEPTEMBER 2006 ISBN 974-9894-15-4

Copyright  by Chiang Mai University

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EFFECTS OF TEMPERATURX, COz,

AND

WATER DEFICIT ON PEANUT GROWTH AND ASPERGILLUS FLAVLrS INFECTION

JARUNEE PILUMWONG

THIS THESIS HAS BEEN APPROVED

TO BE A PARWA L FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF DOCTOR OF PHILOSOPHY

IN AGRONOMY

EXAMINING COMMITTEE

Prof. Dr. Chuckree Senthong

Assoc. Prof. Dr. Keith T. hgram

...

.MEMBER

Assoc. Prof. Dr. Sombat Srichuwong

Assist. Prof. Dr. Sawit Meechoui

6 September 2006

O Copyright by Chiang Mai University

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ACKNOWLEDGEMENTS

I would like to thank the Thailand Research Fund for awarding me with a Royal Golden Jubilee Ph. D. scholarship.

First, for the opportunity of a lifetime to making it possible to start on this Ph. D. program, thanks are due to Professor Dr. Chuckree Senthong, my advisor for providing a constant motivations and questions on conducting of this study.

I deeply thank to my supervisors committee members; Assoc. Prof. Dr. Keith T. Ingram, Assoc. Prof. Dr. Sombat Srichuwong,and Assoc. Prof. Suthat Julsrigival, for their valuable guidance and helpful criticism in the preparation and completion of this study.

A special thanks to Assist. Prof. Dr. Sawit Meechoui for his advice and gave me the knowledge in crop physiology. I am grateful to Mr. Dacha Nuamyam for all help on field experiment at Lampang Agricultural Research and Training Centre.

Thanks to the Department of Crop and Soil Sciences and the Department of Plant Pathology, the University of Georgia, Griffin campus for providing an excellent staffs and very conducive locations for conducting this research. I am grateful to Gary A. Leers, Crystal Saunders, and Leigh Robicheaux for their cooperation and help in analysis and harvesting of the crops. I also thank Gary Payne and Jeffery Carey for allowing me to use the green fluorescent protein (GFP) Aspergillus flavus strains that they developed.

Thanks to Mr. Thongkhum Taya at Medical Science Center, Faculty of Medicine, Chiang Mai University for his advises and helpful to use the video

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microscope and Dr. Chuchard Santasup at the Central Lab of the Faculty of Agriculture, Chiang Mai University for helping in mineral analysis.

Thanks to all friends at the Plant Breeding Lab, Department of Agronomy, Faculty of Agriculture, Chiang Mai University; Ms. Chompunuch Chayawat, Ms.

Janjira Puntase, Ms. Sarita Yoopum, Ms. Natchaya Pingintha, Mr. Prachan Chanpengphat, Mr. Witoon Moonrin, Mr. Warrawut Sriprang, Ms. Supaporn Junbuathong, Ms. Narumon Saikumfu and to whom not mention for their helpful and encouragement.

And finally, to my family, my parents and my younger brother for their patience, support, and encouragement throughout my whole life.

Jarunee Pilumwong iv