evaluation of rice genotypes for growth, drought tolerance and yield under aerobic method of ...

171 Pages·2016·3.47 MB·English

EVALUATION OF RICE GENOTYPES
FOR GROWTH, DROUGHT
TOLERANCE AND YIELD UNDER
AEROBIC METHOD OF
CULTIVATION

K. KAVITHA

B.Sc., (Ag.)

MASTER OF SCIENCE IN AGRICULTURE
(CROP PHYSIOLOGY)

2014
EVALUATION OF RICE GENOTYPES
FOR GROWTH, DROUGHT
TOLERANCE AND YIELD UNDER
AEROBIC METHOD OF
CULTIVATION

BY

K. KAVITHA

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

(CROP PHYSIOLOGY)

CHAIRPERSON: Dr. V. RAJA RAJESWARI

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

2014
DECLARATION

I, Mrs. K. KAVITHA, hereby declare that the thesis entitled
“EVALUATION OF RICE GENOTYPES FOR GROWTH, DROUGHT
TOLERANCE AND YIELD UNDER AEROBIC METHOD OF
CULTIVATION” submitted to the Acharya N. G. Ranga Agricultural
University, Hyderabad for the award of 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 this thesis has been published
earlier in any manner.

Place : (K. KAVITHA)
I.D. No. TAM/12-29
Date :
CERTIFICATE
Mrs. K. KAVITHA has satisfactorily prosecuted the course of
research and that the thesis entitled “EVALUATION OF RICE
GENOTYPES FOR GROWTH, DROUGHT TOLERANCE AND
YIELD UNDER AEROBIC METHOD OF CULTIVATION” 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 her for a degree
of any University.

Date : (Dr. V. RAJA RAJESWARI )
Major advisor
Professor and Head
Department of Crop Physiology
S.V. Agricultural College,
Tirupati – 517 502
CERTIFICATE
This is to certify that the thesis entitled “EVALUATION OF RICE
GENOTYPES FOR GROWTH, DROUGHT TOLERANCE AND
YIELD UNDER AEROBIC METHOD OF CULTIVATION” submitted
in partial fulfillment of the requirements for the award of degree of
MASTER OF SCIENCE IN AGRICULTURE to the Acharya N.G.
Ranga Agricultural University, Hyderabad, is a record of the bonafide
research work carried out by Mrs. K. KAVITHA under our guidance and
supervision.
No part of the thesis has been submitted by the student for the award
of any other degree or diploma. The published part has been fully
acknowledged. 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 Advisory Committee:

Chairperson : Dr. V. RAJA RAJESWARI ______________
Professor and Head
Department of Crop Physiology
S.V. Agricultural College
Tirupati – 517 502, A.P.

Member : Dr. P. SUDHAKAR ______________
Senior Scientist
Department of Crop Physiology
Institute of Frontier Technology
Regional Agricultural Research Station
Tirupati – 517 502, A.P.

Member : Dr. D. MOHAN REDDY ______________
Professor
Dept of Genetics and Plant Breeding
S.V. Agricultural College,
Tirupati – 517 502, A.P.

Date of final viva-voce:
Acknowledgements

I am eternally indebted to Lord Sri Venkateswara and Lord Sri Shirdi Sai
Baba for their lavish blessings without which I would not have been able to complete
my studies hitherto and present this humble piece of work.
I deem it as a great privilege to express my profound gratitude and adoration
to the Chairman of Advisory Committee Dr. V. Raja Rajeswari, Professor and Head,
Department of Crop Physiology, S.V. Agricultural College, Tirupati for his
continuous untiring help and valuable guidance, keen interest, immeasurable help,
affection, kind treatment during the course of the investigation. Her encouragement
and technical suggestions throughout the period of investigation led to the perfect
conduct of the experimental work and presentation of thesis.
I have immense pleasure in extending my sincere and heartfelt thanks , sincere regards
and indebtedness to revered member of my advisory committee Dr. P. Sudhakar,
Senior Scientist, Department Crop Physiology, RARS, Tirupati and for his worthy
counsel, stimulating guidance, keen interest in planning and execution of the
research, boundless patience, remarkable stream of ideas, timely help, criticisms,
support has enriched my research work, because of which I have been able to
successfully complete the work assigned to me.
I wish to express my deep sentiments of gratitude and reverence to the member
of my advisory committee Dr. D. Mohan Reddy, Professor , Department of Genetics
& Plant breeding , S.V. Agricultural College, Tirupati, for his amiable suggestions,
benevolent and noble ideas and kind co-operation during the pursuit of my research
work.
I express my fidelity and respectable regards to the staff members, Dr. V. Raja
Rajeswari, Professor and Head, Department of Plant Physiology and Dr. Rama Rao
Professor, S.V. Agricultural College, Tirupati Dr. V. Uma Mahesh, Assistant
Professor, S.V. Agricultural College, Tirupati, for their keen interest, caring attitude,
whole-hearted co-operation, valuable guidance, constant encouragement,
constructive criticism, perspicacity and meticulous scrutiny which embellished the
study.
I am very thankful to, Dr. P. Latha, Scientist and Mrs. Sujatha for their
whole-hearted co-operation in providing lab facilities during my research work.
I honestly thank Sri. G. Nagaraja, Sri M.Sudhakar, Sri. K. Damodhar Reddy,
Non-teaching staff, Department of Crop physiology for timely cooperation and help
during course of the study.
I respectfully acknowledge my gratitude to Sri. T. Lokanadham, Farm
Manager, Mahendra, A.E.O and other field staff for their sustained help and
cooperation during my research work.
In explicable in fervent to my parents Smt. K. Ravindramma and
Sri K. Gurava Reddy under who’s grooming I learnt the concepts of life. They have
been a great source of inspiration throughout my life. To their feet, I bow with my
head with great reverence.
My diction is too poor to translate my deep sense of gratitude into words for
the everlasting love, affection and motivation showered on me by my husband
K. Jayakumar Reddy and my little daughter Chi.Shivani Shreya and son
Chi. Sai Samith to keep me as comfortable as possible during the work period of the study.
I affectionately acknowledge the boundless affection, love , inspiration and
encouragement received from my beloved elder sister K. Kalpana and my brother-in-
law M. Rami Reddy, my beloved younger sister K. Kalyani and my brother-in-law
M. Purushotham Reddy.
With utmost satisfaction I acknowledge the enormous help of my colleagues
Reshma & Yohan and also my juniors Rajitha & Somla Naik for their friendly
assistance and valuable cooperation during my study. My special thanks to my
seniors Deepa, Pranusha, Raghavendra, Sarath Kumar Reddy, Bharani, Vineela,
Venkatesh for their timely help for my study.
I am grateful to Acharya N. G. Ranga Agricultural University, Hyderabad &
Commisioner and Director of Agriculture for providing me the opportunity in doing
post gradution Programme.
I am also thankful to Mr. Venkat, Smart Centre for neat typing and execution
of my thesis work.
I pay thanks to all my well wishers, not placed here, who helped me directly or
indirectly during course of study .

Kavitha…
LIST OF CONTENTS

Chapter No. Title Page No.
I INTRODUCTION
II REVIEW OF LITERATURE
III MATERIAL AND METHODS
IV RESULTS AND DISCUSSION
V SUMMARY AND CONCLUSIONS
LITERATURE CITED
LIST OF TABLES

Table Page
Title
No. No.
3.1 Soil characteristics of the experimental site
Standard week wise meteorological data from July to
3.2
December (19.7.2013 to 6.12.2013)
Performance of rice genotypes under aerobic condition for
4.1
plant height (cm) at different phenophases
Performance of rice genotypes under aerobic condition for
4.2
leaf area (cm2 ) at different phenophases
Performance of rice genotypes under aerobic condition for
4.3
dry weight (gm-2) at different phenophases
Performance of rice genotypes under aerobic condition for
4.4
crop growth rate (g m-2 day-1) at different phenophases
Performance of rice genotypes under aerobic condition for
4.5
net assimilation rate (g dm-2 day-1)at different phenophases
Performance of rice genotypes under aerobic condition for
4.6
leaf area index at different phenophases
Performance of rice genotypes under aerobic condition for
4.7
leaf area duration (days) at different phenophases
Performance of rice genotypes under aerobic condition for
4.8
root length (cm) at different phenophases
Performance of rice genotypes under aerobic condition for
4.9
root spread (cm) at different phenophases
Performance of rice genotypes under aerobic condition for
4.10
root dry weight (g) at different phenophases
Performance of rice genotypes under aerobic condition for
4.11
Specific leaf area (cm2 g-1) at different phenophases
Performance of rice genotypes under aerobic condition for
4.12 SPAD chlorophyll meter (SCMR) readings at two
phenophases
Performance of rice genotypes under aerobic condition for
4.13
Relative membrane Injury (%) at different phenophases
Table Page
Title
No. No.
Performance of rice genotypes under aerobic condition for
4.14
tillers m-2 at different phenophases
Performance of rice genotypes under aerobic condition for
4.15
productive tillers m-2 at harvest
Performance of rice genotypes under aerobic condition for
4.16
panicle length (cm) at harvest
Performance of rice genotypes under aerobic condition for
4.17
spikelet sterility (%) at harvest
Performance of rice genotypes under aerobic condition for
4.18
test weight (g) at harvest
Performance of rice genotypes under aerobic condition for
4.19
yield and yield attributes at harvest
Grain Quality Parameters of rice genotypes under aerobic
4.20
conditions