INVESTIGATIONS ON TIME OF PLANTING AND METHOD OF CURING IN ORIENTAL TOBACCO ...

131 Pages·2014·3.79 MB·English

INVESTIGATIONS ON TIME OF
PLANTING AND METHOD OF
CURING IN ORIENTAL TOBACCO
(Nicotiana tabacum)

P. RANGA NETHAJI

B.Sc. (Ag.)

MASTER OF SCIENCE IN AGRICULTURE
(AGRONOMY)

2014
INVESTIGATIONS ON TIME OF PLANTING
AND METHOD OF CURING IN ORIENTAL
TOBACCO (Nicotiana tabacum)

BY

P. RANGA NETHAJI

B.Sc. (Ag.)

THESIS SUBMITTED TO THE
ACHARYA N.G. RANGA AGRICULTURAL UNIVERSITY
IN PARTIAL FULFILMENT OF THE REQUIREMENTS
FOR THE AWARD OF THE DEGREE OF

MASTER OF SCIENCE IN AGRICULTURE

(AGRONOMY)

CHAIRPERSON: Dr. Y. REDDI RAMU

DEPARTMENT OF AGRONOMY
SRI VENKATESWARA AGRICULTURAL COLLEGE, TIRUPATI
ACHARYA N.G. RANGA AGRICULTURAL UNIVERSITY
RAJENDRANAGAR, HYDERABAD–500 030

2014
DECLARATION

I, Mr. P. RANGA NETHAJI, hereby declare that the thesis entitled
“INVESTIGATIONS ON TIME OF PLANTING AND METHOD OF
CURING IN ORIENTAL TOBACCO (Nicotiana tabacum)” submitted to the
Acharya N.G. Ranga Agricultural University, Hyderabad for the degree of
Master of Science in Agriculture is the result of original research work done by
me. I also declare that no material contained in the thesis has been published
earlier in any manner.

Place : TIRUPATI (P. RANGA NETHAJI)
Date : ID. No. : TAM-2012-05
CERTIFICATE

Mr. P. RANGA NETHAJI has satisfactorily prosecuted the course of
research and that thesis entitled “INVESTIGATIONS ON TIME OF
PLANTING AND METHOD OF CURING IN ORIENTAL TOBACCO
(Nicotiana tabacum)” submitted is the result of original research work and is of
sufficiently high standard to warrant its presentation to the examination. I also
certify that neither the thesis nor its part thereof has been previously submitted by
him for a degree of any university.

Date : ( Y. REDDI RAMU)
Chairperson
Assistant Professor
Department of Agronomy
S.V. Agricultural College
Tirupati-517502
CERTIFICATE

This is to certify that the thesis entitled “INVESTIGATIONS ON TIME
OF PLANTING AND METHOD OF CURING IN ORIENTAL TOBACCO
(Nicotiana tabacum)” submitted in partial fulfillment of the requirements for the
award of degree of MASTER OF SCIENCE (Agriculture) in AGRONOMY to the
Acharya N.G. Ranga Agricultural University, Hyderabad, is a record of the bonafide
original research work carried out by Mr. P. RANGA NETHAJI under our guidance
and supervision.
No part of the thesis has been submitted by the student for any other degree
or diploma. The published part and all assistance and help received during the
course of the investigations have been duly acknowledged by the author of the
thesis.

Thesis approved by the Student’s Advisory Committee

Chairperson : Dr. Y. REDDI RAMU _______________
Assistant Professor
Department of Agronomy
S.V. Agricultural College,
Tirupati – 517502,
Andhra Pradesh.

Member : Dr. V. SUMATHI ________________
Professor
Department of Agronomy
S.V. Agricultural College,
Tirupati – 517 502,
Andhra Pradesh.

Member : Dr. V. UMAMAHESH ________________
Assistant Professor
Department of Crop Physiology
S.V. Agricultural College,
Tirupati – 517 502,
Andhra Pradesh.

Date of final viva-voce:
ACKNOWLEDGEMENTS

It is by the immense blessing of Lord Venkateswara and Lord Ganesh for
their grace and blessings showered on me in each and every step of my life, that I
could achieve this goal.
But for the affection, words of encouragement, boundless love, unflagging
inspiration, interest and selfless sacrifice of my parents I would not have been
what I am today. I owe all my success to the special persons in my life my mother
Smt P. Dhana Lakshmi, my father Sri P. Rangaiah. It is apt to convey, whole
hearted thanks to my ever loving brother Harsha Vardhan and my sister Leela
vathi for their affectionate love, inspiring encouragement and sustained interest
throughout my studies.
I am inexpressibly ecstatic to extend my deep sense of my gratitude to
luminous educationalist and esteemed chairperson of my advisory committee
Dr.Y. Reddi Ramu, Assistant Professor, Department of Agronomy, S.V.
Agricultural College, Tirupati for his dexterous guidance, illuminating
suggestions and unremitting assistance throughout the period of study, research
and in completion of this thesis. I owe him a huge debt of gratitude forever for all
that I got from him.
I am ineffable to express my esteemed thanks to the revered member of my
advisory committee, Dr.V.Sumathi, Professor, Department of Agronomy, S.V.
Agricultural College, Tirupati for her keen interest, ardent support and persistent
encouragement showered to me.
I sincerely accentuate my everlasting gratitude to the revered member of
my advisory committee, Dr.V. Umamahesh, Assistant Professor, Department of
Crop Physiology, S.V.Agricultural College, Tirupati for his inspiring, meticulous
and valuable guidance during the entire period of my investigation.
I wish to express my cordial thanks to Dr.G.Prabhakara Reddy, Professor
and Head, Department of Agronomy, S.V.Agricultural College, Tirupati for his co-
operation and assistance during the course of investigation.
I am personally indebted to Dr.V.Chandrika, Professor, Dr.A.V.Nagavani,
Associate Professor, Dr.N.Sunitha, Assistant Professor, Dr.C.Nagamani,
Assistant Professor, Department of Agronomy, S.V.Agricultural College, Tirupati
for their love, help and guidance during the period of this study.
It is apt to convey, whole hearted thanks to J. Prashanth Kumar and P.
Madhu ITC ILTD Division and also thanks to ITC company for their help and
utmost care to my research work. It is but incomplete if I do not pen here the
constant encouragement affectionate help showed by him during my research.
I acknowledge with deep appreciation the co-operation offered by
Manjunath, Ravi, Lokanatham and other supervisors and extension workers of
ITC company for their help rendered during my research work. I would like to
express my heartful thanks to Sri Subramanyam and his family members of
Thotavaripalle village for their constant help and umlimited affection they showed
during my course of research.
It is apt here to express my heartfelt thanks to Umamahesh and their
employers, ITC – ABD – ILTD R&D Department, Rajahmundry for their co-
operation during my research work.
I owe thanks from depth of my heart to my colleagues Bhagavatha Priya,
Swathi, Bhargavi, Niveditha, Bhadre Chandbashi and Karunakara Reddy for
their friendly assistance and cooperation during my research work. Special thanks
to my senior friends Suneetha, Naseerudhin, Ravi and Ph.D scholars Deepthi
Kiran, and Pavan Kumar Reddy, Govardhan and for beloved juniors for their
help during the course of my study.
No words could justice to express my deepest sense of love and gratitude
towards my friends and classmates Anand, Bhaskar, Yohan, Mallikarjuna,
Subbaiah, Bhanu, Sreedhar, Paramesh, Madhu, Rasheed, Imtiyaz, Raghil for
their excellent company, inspiration, moral support, boost up and healthy
friendship.
I am thankful to the supporting staff, Department of Agronomy viz.,
Sudhakar, Venkataramaiah and Raj Gopal for their assistance during my
research work.
I am grateful to Acharya N.G.Ranga Agricultural University, Hyderabad
for providing me with the opportunity for prosecuting my post graduation
programme and stipend.
In finale, I thank all my well wishers and others who helped me directly or
indirectly not placed here, for their kind cooperation and support rendered to me.
Ranga Nethaji ….
LIST OF CONTENTS
Chapter
Title Page No.
No.
I. INTRODUCTION
II. REVIEW OF LITERATURE
III. MATERIAL AND METHODS
IV. RESULTS AND DISCUSSION
V. SUMMARY AND CONCLUSIONS
LITERATURE CITED
APPENDICES
LIST OF TABLES

Table Page
Title
No. No.
Standard week wise meteorological data during the crop period
3.1
(12-10-2013 to 19-03-2014)
3.2 Physico-chemical properties of the soil of the experimental field
3.3 Different Grades of Oriental Tobacco based on leaf colour
Cured leaf yield (kg ha-1) of oriental tobacco as influenced by
4.1
time of planting and method of curing
Nicotine content (%) of oriental tobacco as influenced by time
4.2
of planting and method of curing
Total sugars (%) of oriental tobacco as influenced by time of
4.3
planting and method of curing
Potassium content (%) of oriental tobacco as influenced by
4.4
time of planting and method of curing
Grade proportion (%) based on leaf colour of oriental tobacco
4.5
as influenced by time of planting and method of curing
Gross returns (` ha-1) of oriental tobacco as influenced by time
4.6
of planting and method of curing
Net returns (` ha-1) of oriental tobacco as influenced by time of
4.7
planting and method of curing
Benefit-cost ratio of oriental tobacco as influenced by time of
4.8
planting and method of curing
LIST OF ILLUSTRATIONS

Fig. Page
Title
No. No.
3.1 Standard week wise meteorological data during the crop period

(12-10-2013 to 19-03-2014)
3.2 Lay-out plan of the experimental field
Plant height (cm) of oriental tobacco as influenced by time of
4.1 planting
Number of green leaves plant-1 of oriental tobacco as influenced
4.2 by time of planting
Dry matter production (kg ha-1) of oriental tobacco as influenced
4.3
by time of planting
Total dry matter production Vs green leaf yield (kg ha-1) of
4.4 oriental tobacco as influenced by time of planting
Cured leaf yield (kg ha-1) of oriental tobacco as influenced by
4.5

time of planting and method of curing
Nicotine content (%) of oriental tobacco as influenced by time of
4.6

planting and method of curing
Nicotine content (%) of oriental tobacco as influenced by
4.6a
interaction of time of planting and method of curing
Total sugars (%) of oriental tobacco as influenced by time of
4.7
planting and method of curing
Total sugars (%) of oriental tobacco as influenced by interaction
4.7a
of time of planting and method of curing
Potassium content (%) of oriental tobacco as influenced by time
4.8
of planting and method of curing
Potassium content (%) of oriental tobacco as influenced by
4.8a
interaction of time of planting and method of curing
Total Nitrogen, Phosphorus and Potassium uptake (kg ha-1) at
4.9
harvest by oriental tobacco as influenced time of planting
Post harvest soil available nitrogen, phosphorus and potassium
4.10
(kg ha-1) as influenced time of planting of oriental tobacco