CONTROL OF SEED-BORNE FUNGI BY USING RADIO FREQUENCY TO MAINTAIN BAYLEY SEED QUALITY
PIYACHAT AKARANUCHAT
MASTER OF SCIENCE (AGRICULTURE)
IN AGRONOMY
THE GRADUATE SCHOOL CHIANG MAI UNIVERSITY
OCTOBER 2009 NTAIN BAYLEY SEED QU
E (AGRICULTURE) NE FUNGI BY USING MAINTAIN BAYLEY SEED QUALI
(AGRICULTURE) N AGRONOM
ER OF SC E A KA K
IYACHAT AKARANUCHK
CONTROL OF SEED-BORNE FUNGI BY USING RADIO FREQUENCY TO MAINTAIN BAYLEY SEED QUALITY
PIYACHAT AKARANUCHAT
A THESIS SUBMITTED TO THE GRADUATE SCHOOL IN PARTIAL FULFILLMENT OF THE REQUIREMENTS
FOR THE DEGREE OF MASTER OF SCIENCE
(AGRICULTURE) IN AGRONOMY
THE GRADUATE SCHOOL CHIANG MAI UNIVERSITY
OCTOBER 2009 E FUNGI BY USIN AINTAIN BAYLEY SEED QUAL
HE HOO
TIAL FULFILLMENT OF THE REQUIREM MASTER OF SCIENCE
BORNE FU USING RA MAINTAIN BAYLEY SEED QUALITY
TH OOL
ARTIAL FULFILLMENT OF THE REQUIREMEN MASTER OF SCIENCE
(AGRICULTURE) SUBM
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IYACHAT AKARANUC D
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iii
ACKNOWLEDGMENT
First of all, I want to express my sincerest gratitude to my advisor Dr. Suchada Vearasilp, for her guidance throughout my time as a master’s student, for enhancing my scientific knowledge and for her encouragement. Her guidance, wisdom and patience during the period of my study were wonderful and unforgettable gifts that enhanced my self-confidence and helped me to finish my studies. Her help in formulating my research work, carefully reading and correcting my dissertation and her valuable suggestions, are all most gratefully acknowledged.
Similarly, I am also grateful to Assis. Prof. Dr. Sa-nguansak Thanapornpoonpong for his kindness means of support and for volunteering to be my co-advisor. Moreover, my thanks also goes to Assoc. Prof. Prawit Puddhanon, my thesis committee member, Lect. Nattasak Krittigamas, Dr. Dieter von Hörsten and Dr.
Sangtiwa Suriyong, for their willingness to provide me with their valuable comments and ideas on completing this dissertation.
I am grateful Prof. Dr. Therdchai Vearasilp for supporting me DAAD Programme in the title of “Subject-related Partnership between the University of Göttingen (Germany), Chiang Mai (Thailand) in the area of academic co-operation in teaching and research mainly in the field of agriculture in the tropics”. Thanks mustf also go to Prof. Dr. Dr. h.c. Udo ter Meulen, Prof. Dr. Gabriele Hörsgen-Schwark, Prof. Dr. Elke Pawelzik, and Prof. Dr. Wolfgang Lücke for providing and helping me during my staying at University of Goettingen, Germany.
I am also grateful to CHIANG MAI BEVERAGE CO. LTD. and Mr. Karl Eichhorm (malt master) for supporting me and giving me their valuable suggestions on barley seeds.
I would like to extend my sincere thanks to the Post-harvest Technology Institute, Chiang Mai University, for their financial support and scientific instrument supplication.
Further, I want to thank all staff members at the Department of Plant Science and Natural Resources, Faculty of Agriculture, Chiang Mai University. Also my thanks go to Mr. Adul Jaiinphon and my colleagues in the Seed Science and Technology section, Chiang Mai University, for all their help during my experiments.
Last but not least, I must give my grateful thanks to my parents: my father, Jirawat Akaranuchat, my mother Yolsawart Akaranuchat and my brother - thank you for your encouragement and for making my life special; filled with hope and love and ff prayer, attributes which strengthened me through many difficult times.
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