RESPONSE OF DIFFERENT WHEAT (Triticum aestivum L.)

106 Pages·2016·0.48 MB·English

RESPONSE OF DIFFERENT WHEAT (Triticum
aestivum L.) VARIETIES TO GRADED LEVELS
OF NITROGEN
By
M. SATYANARAYANA
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. A. PRATAP KUMAR REDDY

DEPARTMENT OF AGRONOMY
COLLEGE OF AGRICULTURE
RAJENDRANAGAR, HYDERABAD-500 030
ACHARYA N. G. RANGA AGRICULTURAL UNIVERSITY
2012
DECLARATION
I, M. SATYANARAYANA, hereby declare that the thesis entitled “RESPONSE OF
DIFFERENT WHEAT (Triticum aestivum L.) VARIETIES TO GRADED LEVELS
OF NITROGEN” submitted to the Acharya N. G. Ranga Agricultural University 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: Hyderabad (M. SATYANARAYANA)
Date: I. D. No. RAM/08-05
CERTIFICATE

Mr. M. SATYANARAYANA has satisfactorily prosecuted the course of research
and that thesis entitled “RESPONSE OF DIFFERENT WHEAT (Triticum aestivum L.)
VARIETIES TO GRADED LEVELS OF NITROGEN” 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: (Dr. A. PRATAP KUMAR REDDY)
Chairperson
CERTIFICATE
This is to certify that the thesis entitled “RESPONSE OF DIFFERENT WHEAT (Triticum
aestivum L.) VARIETIES TO GRADED LEVELS OF NITROGEN” submitted in partial
fulfillment of the requirements for the degree of MASTER OF SCIENCE IN
AGRICULTURE of the Acharya N.G. Ranga Agricultural University, Hyderabad is a record
of the bonafide research work carried out by Mr. M.SATYANARAYANA under our
guidance and supervision. The subject of the thesis has been approved by the Student’s
Advisory Committee.
No part of the thesis has been submitted for any other degree or diploma or has been
published. The published part has been fully acknowledged. All the assistance and help
received during the course of investigation have been duly acknowledged by the author of
the thesis.
CHAIRPERSON

ADVISORY COMMITTEE

(To be signed at the time of final viva-voce)
Thesis approved by the Student’s Advisory Committee

Chairperson: (Dr. A. PRATAP KUMAR REDDY)
Associate Professor,
Department of Agronomy,
_________________
College of Agriculture, ANGRAU,
Rajendranagar, Hyderabad-500 030

Member : (Dr. S.NARENDER REDDY)
Associate Professor,
Department of Plant Physiology,
_________________
College of Agriculture, ANGRAU,
Rajendranagar, Hyderabad-500 030

Member : (Smt. J.PADMAJA)
Assistant Agronomist,
Students’ farm,
_________________
College of Agriculture, ANGRAU,
Rajendranagar, Hyderabad-500 030

Date of final viva-voce:
ACKNOWLEDGEMENTS

Accomplishment of this thesis is the result of the love of my parents, blessings of
my parents, blessings of my teachers and benevolence of ALMIGHTY.
I deem it as a great pleasure to express my heart felt gratitude and respect to the
chairman of my advisory committee, Dr. A. PRATAP KUMAR REDDY, Associate
Professor, Department of Agronomy, College of Agriculture, Rajendranagar, Hyderbad
for suggesting one of his novel thoughts having blend of scientists and farmers vision as
my research work. His meticulous guidance, untiring interest and well timed
suggestions right from the initial stages till the completion of my research work, are
unparalleled. I am indeed greatly indebted for the affectionate encouragement and
cooperation received from him.
I am extremely grateful to Dr. S. NARENDER REDDY, Associate professor,
Department of Plant Physiology, College of Agriculture, Rajendranagar, Hyderabad and
member of my advisory committee for his pragmatic suggestions and valuable help
extended during my research work.
I am extremely grateful to Smt. J. PADMAJA, Assistant Agronomist, Students’
farm, College of Agriculture, Rajendranagar, Hyderabad and member of my advisory
committee for her valuable suggestions given during my research work
I sincerely extend my profound gratitude to Dr. R. Raghavaiah, Associate Dean,
Dr. A. Srinivas Yadav, Professor and Head of the Department, Dr. K. Madhavi,
Associate Professor, Dr. M. Yakadri, Associate Professor, Dr. K.B. Suneetha Devi,
Associate Professor, Dr. K.P. Vani, Associate Professor, Dr. K. Bhanu Rekha, Assistant
Professor, Smt. P. Leela Rani, Assistant Professor and Sri. B. Shamlal, A.O. Dept. Of
Agronomy, Rajendranagar, Hyderabad for their support and encouragement during the
course of my study. .
I am thankful to non teaching staff of the Department of Agronomy for their
timely assistance and cooperation.
It is a pleasure to acknowledge the affection and inspiration rendered by my
classmates, Chiranjeevi, Spandana, Srinivasa rao, Sachin and Srinivas for their special
upliftment during my studies and worries.
Words fail to express my heartfelt thanks to my best friends Gopika, Sudheer
Kumar, Rani, Gopi kalyan, Mohan Prasad, Jeevan Kumar, Sowmya, Santhosh, Madhu
sudhan reddy and Suresh for their cooperation, moral support and suggestions during
the course of my study.
Finally, I am thankful to authorities of Acharya N. G. Ranga Agricultural
University for cooperation during my course of study.

M. Satyanarayana
LIST OF CONTENTS

Chapter No. Title Page No.
I INTRODUCTION
II REVIEW OF LITERATURE
III MATERIALS AND METHODS
IV RESULTS AND DISCUSSION
V SUMMARY AND CONCLUSIONS
LITERATURE CITED
APPENDICES
LIST OF TABLES
Table Page
Title
No. No.
3.1 Physico-chemical properties of soil of the experimental field
3.2 Cropping history of experimental field
4.1 Effect of varieties and nitrogen levels on initial and final plant
population per meter row length of wheat
4.2 plant height (cm) of wheat as influenced by varieties and nitrogen
levels
4.3 Interaction effect of different varieties and nitrogen levels on plant
height (cm) at 60 DAS
4.4 Leaf area index of wheat as influenced by varieties and nitrogen levels
4.5 Dry matter production (kg ha-1) of wheat as influenced by varieties and
nitrogen levels
4.6 Interaction effect of different varieties and nitrogen levels on dry
matter accumulation (kg ha-1) at harvest
4.7 Crop growth rate (g m-2 day-1) of wheat as influenced by varieties and
nitrogen levels
4.8 Interaction effect of different varieties and nitrogen levels on crop
growth rate (g m-2 day-1) at 60-90 DAS
4.9 Interaction effect of different varieties and nitrogen levels on crop
growth rate (g m-2 day-1) at 90 DAS-Harvest
4.10 Relative growth rate (g g-1day-1) of wheat as influenced by varieties
and nitrogen levels
4.11 Interaction effect of different varieties and nitrogen levels on RGR
(g g-1day-1) at 10-30 DAS
4.12 Interaction effect of different varieties and nitrogen levels on
Table Page
Title
No. No.
RGR (g g-1day-1) at 60-90 DAS
4.13 Interaction effect of different varieties and nitrogen levels on RGR (gm
gm-1day-1) at 90 DAS-harvest
4.14 Leaf area duration (m2 day-1) of wheat as influenced by varieties and
nitrogen levels
4.15 Net assimilation rate (g dm-2 day-1) of wheat as influenced by varieties
and nitrogen levels
4.16 Interaction effect of different varieties and nitrogen levels on net
assimilation rate (g dm-2 day-1) at 60-90 DAS
4.17 Spike length (cm), Grains per ear, number of tillers m-2, number of ears
m-2 and 1000-grain weight (gm) wheat as influenced by varieties and
nitrogen levels
4.18 Grain yield (kg ha-1), straw yield (kg ha-1) and harvest Index (%) of
wheat as influenced by varieties and nitrogen levels
4.19 Interaction effect of different varieties and nitrogen levels on grain
yield (kg ha-1)
4.20 Interaction effect of different varieties and nitrogen levels on straw
yield (kg ha-1)
4.21 Interaction effect of different varieties and nitrogen levels on harvest
index
4.22 Apparent recovery fraction, physiological efficiency, protein content
and agronomic efficiency of wheat as influenced by varieties and
nitrogen levels
4.23 Interaction effect of different varieties and nitrogen levels on apparent
recovery fraction
4.24 Interaction effect of different varieties and nitrogen levels on
physiological efficiency
Table Page
Title
No. No.
4.25 Interaction effect of different varieties and nitrogen levels on protein
content
4.26 Total grain and straw nitrogen uptake by crop (kg ha-1) at harvest of
wheat influenced by varieties and nitrogen levels
4.27 Interaction effect of different varieties and nitrogen levels on total grain
and straw nitrogen uptake (kg ha-1) at harvest
4.28 Final NPK (kg ha-1) status of the soil as influenced by varieties and
nitrogen levels
4.29 Interaction effect of different varieties and nitrogen levels on final K
available
4.30 Effect of different wheat varieties and different levels of nitrogen on
net returns and benefit: cost ratio.
4.31 Interaction effect of different varieties and nitrogen levels on gross
returns (Rs ha-1)
4.32 Interaction effect of different varieties and nitrogen levels on net
returns (Rs ha-1)
4.33 Interaction effect of different varieties and nitrogen levels on benefit-
cost (Rs ha-1)