VIET NAM NATIONAL UNIVERSITY OF AGRICULTURE FACULTY OF AGRONOMY UNDERGRADUATE THESIS TITLE: CHARACTERIZE AND EVALUATE PUMPKIN ACCESSIONS OF VIETNAM ORIGIN IN FAVRI TRAILS IN WINTER SEASON 2020 AT GIA LAM – HANOI, VIETNAM STUDENT : DO THI LY STUDENT CODE : 611622 CLASS : K61KHCTT SUPERVISOR : DR. NGUYEN THI HOA DEPARTMENT : BOTANY Hanoi, 2021 i DECLARATION I hereby declare that this paper is my own work. All results and data in this thesis are absolutely honest and have not been submitted before to any institution for assessment purposes. All sources used in this paper were cited in references. Ha Noi, March 26th , 2021 Student Do Thi Ly ii ACKNOWLEDGEMENTS To complete this thesis, I am deeply indebted to people who have been providing me with precious support and advice. Firstly, I would like to send my gratitude to my supervisor, Dr. Nguyen Thi Hoa, Department of Botany, Faculty of Agronomy, Vietnam National University of Agriculture, for her enthusiastic support, helpful advice, and considerable encouragement in the completion of my thesis. I would also like to express sincere thanks to the lecturers from the Faculty of Agronomy in general and lecturers in the Department of Botany in particular, who taught and created the best conditions for students during the learning process and research. Besides, my special thanks go to Mr. Hoang Minh Chau working at the Fruit and Vegetable Research Institute for his technical guidance in the field and in the laboratory. Last but not least, I want to express my sincere thanks to my family and friends who have always been by my side, give me support and strength to complete this graduation thesis.