STUDY OF GENETIC DIVERGENCE FOR GRAIN YIELD AND YIELD COMPONENTS IN FINGER ...

168 Pages·2016·4.43 MB·English

STUDY OF GENETIC DIVERGENCE FOR
GRAIN YIELD AND YIELD COMPONENTS
IN FINGER MILLET
[Eleusine coracana (L.) Gaertn.]

BY
JADHAV RANI ASARAM

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
(GENETICS AND PLANT BREEDING)

CHAIRPERSON: Dr. D. RATNA BABU

DEPARTMENT OF GENETICS AND PLANT BREEDING
AGRICULTURAL COLLEGE, BAPATLA
ACHARYA N.G. RANGA AGRICULTURAL UNIVERSITY
2014
STUDY OF GENETIC DIVERGENCE FOR
GRAIN YIELD AND YIELD
COMPONENTS IN FINGER MILLET
[Eleucinse coracana (L.) Gaertn.]

JADHAV RANI ASARAM
B.Sc. (Ag)

MASTER OF SCIENCE IN AGRICULTURE

(GENETICS AND PLANT BREEDING)

2014
CERTIFICATE

Ms. JADHAV RANI ASARAM has satisfactorily prosecuted the course of
research and that thesis entitled “STUDY OF GENETIC DIVERGENCE FOR
GRAIN YIELD AND YIELD COMPONENTS IN FINGER MILLET [Eleusine
coracana (L.) Gaertn.]” 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: (D. RATNA BABU)
Chairperson
Assistant Professor
Department of Genetics and Plant Breeding
Agricultural College, Bapatla- 522101
CERTIFICATE

This is to certify that the thesis entitled “STUDY OF GENETIC
DIVERGENCE FOR GRAIN YIELD AND YIELD COMPONENTS IN
FINGER MILLET [Eleusine coracana (L.) Gaertn.]” submitted in partial
fulfilment 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 original research work carried out by Ms. JADHAV RANI ASARAM
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 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

Chairman : Dr. D. RATNA BABU
Assistant Professor
Department of Genetics and Plant Breeding
Agricultural College
Bapatla

Member : Dr. LAL AHAMED M.
Assistant Professor
Department of Genetics and Plant Breeding
Agricultural College
Bapatla

Member : Dr. V. SRINIVASA RAO
Professor & University Head
Department of Statistics and Mathematics
Agricultural College
Bapatla

Date of Final Viva-Voce:
DECLARATION

I, JADHAV RANI ASARAM, hereby declare that the thesis entitled “STUDY
OF GENETIC DIVERGENCE FOR GRAIN YIELD AND YIELD
COMPONENTS IN FINGER MILLET [Eleusine coracana (L.) Gaertn.]”
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: Bapatla (JADHAV RANI ASARAM)
I.D. No. BAM-12-15
Date:
ACKNOWLEDGEMENTS

Accomplishment of this thesis is the result of blessings and love of my parents, benevolence
of almighty, motivation and guidance of my teachers and help of my friends.
First and foremost, I would like to put on record of my heartfelt gratitude to
Dr. D. Ratna Babu, Assistant Professor, Department of Genetics and Plant Breeding, Agricultural
College, Bapatla and the esteemed chairman of my Advisory Committee. I am profoundly thankful to
him for his constant encouragement, keen interest, constructive suggestions, boundless help and
indefatigable guidance which provided me commendable encouragement and shaped my efforts into a
successful research work.
I sincerely extend my profound gratitude to Dr. Lal Ahamed M., Assistant Professor,
Department of Genetics and Plant Breeding, Agricultural College, Bapatla and member of my
Advisory committee for his valuable suggestions, generous help and affectionate encouragement
offered during my post graduation study and cooperation during submission of thesis.
I express my deep sense of gratitude to Dr. V. Srinavasa Rao, Professor & Head,
Department of Statistics & Mathematics, Agricultural College, Bapatla member of my advisory
committee for his timely and valuable help rendered during the course of investigation.
I deem it a great privilege to express my gratitude to Dr. P. V. Rama Kumar, Professor &
Head, Department of Genetics and Plant Breeding, Agricultural College, Bapatla for his unstinted
attention, constant encouragement, valuable suggestions and generous help during my post
graduation study and research work.
I take this opportunity to acknowledge Dr. P. R. K. Prasad, Professor & Head,
Department of Soil Science and Agricultural Chemistry for providing the lab facilities, cooperation
and masterly suggestions during my chemical analysis.
I am very much thankful to Dr. P. V. N. Prasad, Principal Scientist & Head, Agricultural
College Farm, Bapatla and Smt. G. Kiranmai, Block Manager for their help during my farm
operations by providing sufficient labour.
I am in dearth of words to express my unboundful gratitude and love to my beloved parents,
Sri. Asaram Jadhav and Smt. Ganga Jadhav and my beloved and dearest sisters Sonu, Kalpana and
Dnyaneshwari & brother Santosh and My Relatives for their unbounding love, affection, guidance
and dedicated efforts to educate me to this level.
I wish to express my unboundful love and fondness to my beloved everlasting friends,
Sandhya, Mrinali, Girriraj, Pallavi and Anil whose encouragement is a constant inspiration to me
during the course of my educational career.
It gives me immense pleasure to express my profound thanks to my seniors Srilaxmi,
Bhargavi, Anita, Rajitha, Anusha, Haritha, Nishit, Balakrishna, Ravikanth, Rajkumar for the
much needed moral support and help during the course of my study.
I place my sincere thanks to my colleagues Vanaja, Jyothsna, Triveni, Revathi, Dikshita,
Sujala, Patil, Prasanna, Vinay, Vijay, Eshwar, Neeraj, Praveen for always being there besides me in
difficult times during my course of study and giving constant motivation.
It gives me immense pleasure to express my profound thanks to the junior friends Tejaswini,
Ramadevi, Karunashri, Vijaydurga, Wani, Pawani for their help and co-operation during the course
of this work.
I am very much thankful to Record Assistants, Sri Bhaskara Rao, Sri Srinivasa Reddy,
Office Subordinate Shivaparvathi and Casual Worker Ramulamma and Chittamma for their help
during my PG programme in the department.
I am thankful to Eswar Digitals and Computers for the neat typing and execution of my
thesis.

Place:
Date: (RANI A. JADHAV)
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
APPENDICES
LIST OF TABLES
Page
S. No. Title
No.
2.1 Review of literature on genetic variability of yield and yield components in
finger millet [Eleusine coracana (L.) Gaertn.]
2.2 Review of literature on heritability of yield and yield components in finger
millet [Eleusine coracana (L.) Gaertn.]
2.3 Review of literature on genetic advance and genetic advance as per cent of
mean of yield and yield components in finger millet [Eleusine coracana
(L.) Gaertn.]
2.4 Review of literature on association of component characters with seed
yield per plant in finger millet [Eleusine coracana (L.) Gaertn.]
2.5 Review of literature on association of yield components among themselves
in finger millet [Eleusine coracana (L.) Gaertn.]
2.6 Review of literature on direct effects of component characters on seed
yield in finger millet [Eleusine coracana (L.) Gaertn.]
2.7 Review of literature on indirect effects of component characters on seed
yield in finger millet [Eleusine coracana (L.) Gaertn.]
3.1 Name and origin of finger millet genotypes employed in the present study
4.1 Mean Performance of 40 Genotypes in finger millet [Eleusine coracana
(L.) Gaertn.] for all the characters under study.
4.2 Analysis of variance for yield and yield component characters in finger
millet [Eleusine coracana (L.) Gaertn.]
4.3 Estimates of variability, heritability and genetic advance as per cent of
mean for seed yield and yield components in finger millet [Eleusine
coracana (L.) Gaertn.]
4 . 4 Phenotypic and genotypic correlations among seed yield and yield
contributing characters in finger millet [Eleusine coracana (L.) Gaertn.]
4.5 Direct and indirect effects of different traits on seed yield per plant in
finger millet [Eleusine coracana (L.) Gaertn.]
4.6 Contribution of different characters towards genetic divergence in 40
finger millet [Eleusine coracana (L.) Gaertn.] genotypes
4.7 Clustering pattern of 40 finger millet [Eleusine coracana (L.) Gaertn.]
genotypes by Tocher’s method
4.8 Average intra and inter-cluster D2 values among seven clusters with 40
finger millet [Eleusine coracana (L.) Gaertn.] genotypes
Page
S. No. Title
No.
4.9 The nearest and the farthest cluster from each cluster based on D2 values
using Tocher’s method in 40 finger millet genotypes
4.10 Mean values seven clusters estimated by Tocher’s method from 40 finger
millet [Eleusine coracana (L.) Gaertn.] genotypes
4.11 Eigen values, proportion of the total variance represented by first four
principal components, cumulative per cent variance and components
loading of different characters in finger millet [Eleusine coracana (L.)
Gaertn.].
4.12 PCA scores of 40 finger millet [Eleusine coracana (L.) Gaertn.] genotypes.
4.13 Clustering pattern of 40 finger milet [Eleusine coracana (L.) Gaertn.]
genotypes by Ward’s minimum variance method
4.14 Average intra and inter-cluster Eucledian2 values among seven clusters in
40 finger millet [Eleusine coracana (L.) Gaertn.] genotypes
4.15 Mean values of seven clusters estimated by Ward’s minimum variance
method from 40 finger millet [Eleusine coracana (L.) Gaertn.] genotypes