tailieunhanh - Research on agro-biological characteristics of some pomelo lines/varieties and technique measures for the promising pomelo lines in Thai Nguyen Province

It is based on research of some agricultural biological characteristics of some lines and varieties of pomelo plants available prospect and consistent with conditions of Thai Nguyen Province, along with relevant technical measures to improve productivity and quality of the products. | MINISTRY OF EDUCATION AND TRAINING THAI NGUYEN UNIVERSITY LE TIEN HUNG STUDYING ON THE AGRO-BIOLOGICAL CHARACTERISTICS OF SOME PUMMELO LINES CULTIVARS AND CULTIVATION TECHNIQUES FOR HIGH PROMISING PUMMELO LINES AT THAI NGUYEN SUMMARY OF DOCTORAL DISSERTATION OF PHILOSOPHY IN AGRICULTURE THAI NGUYEN - 2016 Research project completed Thai Nguyen University of Agriculture and Forestry THAI NGuYeN university Supervisor Asso. Prof. Ngo Xuan Binh . Prof. Vu Manh Hai . Reviewer 1 . Reviewer 2 . Reviewer 3 . PhD. Dissertation will be presented and depended in front of the Council of University Dissertation at THAI NGUYEN UNIVERSITY OF AGRICULTURE AND FORESTRY At am pm date month year 2016 PhD. Dissertation would be found in - Library in TNU of Agriculture and Forestry - TNU Learning Resource Centre - National Library 1 INTRODUCTION 1. The necessity Currently pomelo trees in Vietnam also have been considered as one of major fruit trees because apart from nutritional and economic values pomelo trees have other outstanding features such as easy preservation less damage during transport and easy cultivation especially good resistance to Greening disease that is one of the most dangerous disease for the existence and development many species of citrus fruit trees Department of plant Protection 2006 Pham Thi Dung 2014 Le Luong Te 2007 . But the fact that pomelo-growing areas in the northern provinces are mostly spontaneous development and are planted empirically existing pomelo varieties. Thus it is unstable in terms of productivity quality and forms standards of products that are not only problems for cultivators but also for the requirements of the consumption market. Thai Nguyen Province has climatic conditions and favorable land for growing pomelo trees in particular and some other fruit trees in general. Standing in front of opening market trends and current requirements on improvement of pomelo productivity and quality research agencies are interested in research .