ThiNganHang Sách - Tài liệu thi tuyển
30 câu trắc nghiệm Quản trị nguồn nhân lực (Có Đáp án)
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CONTENTS
ACKNOWLEDGEMENTS .............................................................................................. i
CONTENTS ...................................................................................................................... ii
LIST OF ABBREVIATIONS ......................................................................................... iv
LIST OF TABLE ...............................................................................................................v
LIST OF FIGURES ........................................................................................................ vii
ABSTRACT................................................................................................................... viii
I. INTRODUCTION ....................................................................................................1
1.1. Introduction. ................................................................................................................1
1.2. Objectives and requirements ......................................................................................3
1.2.1. Objectives ................................................................................................................3
1.2.2. Requirements ...........................................................................................................3
II. LITERATURE REVIEW ........................................................................................4
2.1. Sweet corn production in the world and in Vietnam .................................................4
2.1.1. Sweet corn production in the world. .......................................................................4
2.1.2. Sweet maize production in Vietnam .......................................................................7
2.2. Origin and classification of sweet maize ...................................................................9
2.3. Genetics of sweet maize .......................................................................................... 12
2.5. Combining ability .................................................................................................... 17
2.5.1. General combining ability .................................................................................... 19
2.5.2. Specific combining ability ................................................................................... 19
III. MATERIALS AND METHODS .......................................................................... 21
3.1. Materials .................................................................................................................. 21
3.2. Location and time of research ................................................................................. 21
3.3. Research content ...................................................................................................... 21
3.4. Experiment design: .................................................................................................. 22
3.5. Field experiments: ................................................................................................... 22
3.6. Data collection ......................................................................................................... 25
iii
IV. RESULT AND DISCUSSION .............................................................................. 36
4.1. Growth duration of sweet maize hybrids tested in the Autumn - Winter season of
2020 in Gia Lam, Ha Noi. ...................................................................................... 36
4.2. Some morphological characteristics of sweet maize hybrids in Autumn - Winter
season of 2020 at Gia Lam, Ha Noi ....................................................................... 41
4.3. Leaf area and leaf area index of the sweet maize hybrids in the experiment in
Autumn Winter 2020 in Gia Lam, Hanoi .............................................................. 44
4.4. The pest and disease resistance in the field of the sweet corn hybrids in the
experiment in Autumn Winter season 2020 at Gia Lam, Hanoi. .......................... 45
4.5. Ear morphological characteristics of sweet maize hybrids in the Autumn Winter
2020 experiment at Gia Lam, Hanoi...................................................................... 49
4.6. The yield and yield components of the sweet maize hybrids in the Autumn Winter
2020 experiment at Gia Lam, Hanoi...................................................................... 52
4.7. Some sensory quality traits of sweet maize hybrids in Autumn Winter 2020
experiment at Gia Lam, Hanoi. .............................................................................. 56
4.8. Combining ability of sweet maize parent lines in Autumn- Winter 2020 experiment
at Gia Lam, Ha Noi. ............................................................................................... 59
4.8.1. Combing ability of sweet maize parent lines associated for yield in Autumn Winter 2020 experiment at Gia Lam, Ha Noi. ...................................................... 59
4.8.2. Combing ability of sweet maize parent lines associated for brix degree in
Autumn- Winter 2020 experiment at Gia Lam, Ha Noi. ........................................ 64
V. CONCLUSION AND RECOMMENDATION .................................................. 69
5.1. Conclusion ............................................................................................................... 69
5.2. Recommendation ..................................................................................................... 70
VI. REFERENCES....................................................................................................... 71
APPENDIX I .................................................................................................................. 73
APPENDIX II ................................................................................................................. 79