growth and yield of rice varieties as influenced by different dates of sowing under aerobic method

191 Pages·2016·22.47 MB·English

GROWTH AND YIELD OF RICE VARIETIES
AS INFLUENCED BY DIFFERENT DATES OF
SOWING UNDER AEROBIC METHOD OF
CULTIVATION

B. BALAJI NAIK
M.Sc. (Ag.)

DOCTOR OF PHILOSOPHY IN AGRICULTURE
(AGRONOMY)

2015
GROWTH AND YIELD OF RICE VARIETIES
AS INFLUENCED BY DIFFERENT DATES OF
SOWING UNDER AEROBIC METHOD OF
CULTIVATION

By
B. BALAJI NAIK
M.Sc. (Ag.)

THESIS SUBMITTED TO THE
PROFESSOR JAYASHANKAR TELANGANA STATE
AGRICULTURAL UNIVERSITY
IN PARTIAL FULFILMENT OF THE REQUIREMENTS FOR
THE AWARD OF THE DEGREE OF

DOCTOR OF PHILOSOPHY IN AGRICULTURE
(AGRONOMY)

CHAIRPERSON: Dr. D. RAJI REDDY

DEPARTMENT OF AGRONOMY
COLLEGE OF AGRICULTURE
PROFESSOR JAYASHANKAR TELANGANA STATE AGRICULTURAL
UNIVERSITY
RAJENDRANAGAR, HYDERABAD – 500 030.

2015
CERTIFICATE

Mr. B.BALAJI NAIK has satisfactorily prosecuted the course of research and
that thesis entitled “Growth and yield of rice varieties as influenced by different
dates of sowing 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 his for a degree of any University.

Date : (D. RAJI REDDY)
Chairperson
CERTIFICATE

This is to certify that the thesis entitled ‘Growth and yield of rice varieties as
influenced by different dates of sowing under aerobic method of
cultivation’submitted inpartial fulfillment of the requirements for the degree of ‘Doctor
of philosophyin Agriculture’ of the ProfessorJayashankar Telangana State
Agricultural University, Hyderabadis a record of the bonafideoriginal research work
carried out by Mr.B. BALAJI NAIKunder 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 Advisory Committee
Chairperson : Dr. D. RAJI REDDY,
Director of Research i/c _______________
PJTSAU
Rajendranagar, Hyderabad – 500 030.

Member : Dr. G. SREENIVAS
Director _______________
Agro Climate Research Centre,
PJTSAU
Rajendranagar, Hyderabad – 500 030.

Member : Dr. A. UMA DEVI
Director _______________
Water Technology Centre
College of Agriculture
PJTSAU
Rajendranagar, Hyderabad – 500 030.

Member : Dr. A. SIVA SANKAR,
Controller of Examinations _______________
ANGRAU,
Rajendranagar, Hyderabad – 500 030.

External:
Examiner of --------------
Final --------------
Viva-Voce --------------

Date of final viva-voce: 27.07.2015
DECLARATION

I, B.BALAJI NAIKhereby declare that the thesis entitled “Growth and yield of
rice varieties as influenced by different dates of sowing under aerobic method of
cultivation’’submitted to the Professor Jayashankar Telangana State Agricultural
University for the degree of DOCTOR OF PHILOSOPHY is a 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 : (B.BALAJI NAIK)
I.D. No. RAD/2011-07
Date :
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.
3.1 Physical properties of soil in the experimental field
3.2 Physico-chemical properties of soil in the experimental field
3.3 Cropping history of experimental plot
3.4 Genetic coefficients of rice varieties developed and used for
CERES-Rice model
4.1 Initial and final plant stand m-2 as influenced by dates of
sowing and varieties in aerobic rice
4.2 Plant height (cm) as influenced by dates of sowing and
varieties in aerobic rice
4.3 Number of tillers m-2as influenced by dates of sowing and
varieties in aerobic rice
4.4 Drymatter production (g m-2) as influenced by dates of sowing
and varieties in aerobic rice
4.5 Phenology as influenced by dates of sowing and varieties in
aerobic rice
4.6 Effective tillers, panicle length and panicle weight as
influenced by dates of sowing and varieties in aerobic rice
4.7 Total and filled spikeletsand 1000 grain weight as influenced
by dates of sowing and varieties in aerobic rice
4.8 Grain yield, straw yield and harvest index as influenced by
dates of sowing and varieties in aerobic rice
4.9 Gross returns, net returns and B:C ratio as influenced by dates
of sowing and varieties in aerobic rice
4.10 Test statistics of different agrometeorological indices in aerobic
rice
4.11(a) Correlation coefficients between weather parameters during
different phenophasesand tillers and drymatter production of
cv. JGL17004 (V )
1
4.11(b) Correlation coefficients between weather parameters during
different phenophases and yield attributes of cv.JGL17004 (V )
1
4.11 (c) Correlation coefficients between weather parameters during
different phenophases and grain yield, straw yield and harvest
index of cv.JGL17004 (V )
1
Table Page
Title
No. No.

4.12 (a) Correlation coefficients between weather parameters during
different phenophases and tillers and drymatter production of
cv. MTU 1010 (V )
2
4.12 (b) Correlation coefficients between weather parameters during
different phenophases and yield attributes of cv. MTU 1010
4.12 (c) Correlation coefficients between weather parameters during
different phenophases and grain yield, straw yield and harvest
index of cv.MTU 1010 (V )
2
4.13 (a) Correlation coefficients between weather parameters during
different phenophases and tillers and drymatter production of
cv.JGL 11470 (V )
3
4.13 (b) Correlation coefficients between weather parameters during
different phenophases and yield attributes of JGL 11470 (V )
3
4.13 (c) Correlation coefficients between weather parameters during
different phenophases and grain yield, straw yield and harvest
index of cv.JGL 11470 (V )
3
4.14 (a) Correlation coefficients between weather parameters during
different phenophases and tillers and drymatter production of
cv.MTU 1061 (V )
4
4.14 (b) Correlation coefficients between weather parameters during
different phenophases and yield attributes of cv. MTU 1061
(V )
4
4.14 (c) Correlation coefficients between weather parameters during
different phenophases and grain yield, straw yield and harvest
index of cv.MTU 1061 (V )
4
4.15 Stepwise regression models for prediction of drymatter
production and grain yield in rice varieties with weather
parameters at physiological maturity stage
4.16 Genetic coefficients of rice varieties developed and used for
CERES-Rice model for aerobic rice
4.17 Observed and predicted phenology, total biomass, grain yield
and straw yield after calibration of CERES-Rice model for
aerobic rice
4.18 Observed and predicted phenology, total biomass, grain yield
and straw yield after validation of CERES-Rice model for
aerobic rice
4.19 Tukey’s (HSD) test for mean grain yield (kg ha-1) of aerobic
rice under different dates of sowing
Table Page
Title
No. No.
20 Tukey’s (HSD) test for mean grain yield (kg ha-1) of rice
varieties under different dates of sowing under aerobic culture
LIST OF ILLUSTRATIONS

Figure Page
Title
No. No.
3.1 Weekly mean maximum, minimum and mean temperature data
recorded during Kharif2012 cropping period
3.2 Weekly mean maximum, minimum and mean temperature data
recorded during Kharif2013 cropping period
3.3 Weekly mean morning (RH ) and afternoon (RH ) relative
1 2
humidity datarecorded during Kharif2012 cropping period
3.4 Weekly mean morning (RH ) and afternoon (RH ) relative
1 2
humidity datarecorded during Kharif2013 cropping period
3.5 Weekly rainfall datarecorded during Kharif 2012 cropping
period
3.6 Weekly rainfall datarecorded during Kharif 2013 cropping
period
3.7 Weekly total solar radiationdata recorded during Kharif2012
and 2013 cropping period
3.8 Layout plan of field experiment
4.1 Tiller production in aerobic as influenced by different dates of
sowing
4.2 Effect of dates of sowing on tiller production of different rice
varieties
4.3 (a) Soil moisture regime in different varieties of aerobic rice sown
on 18 Jun, 2012 (D1)
4.3 (b) Soil moisture regime in different varieties of aerobic rice sown
on 7 Jul, 2012 (D )
2
4.3 (c) Soil moisture regime in different varieties of aerobic rice sown
on 20 Jul, 2012 (D )
3
4.3 (d) Soil moisture regime in different varieties of aerobic rice sown
on 4 Aug 2012 (D )
4
4.3 (e) Soil moisture regime in different varieties of aerobic rice sown
on 18 Aug 2012 (D )
5
4.3 (f) Soil moisture regime in different varieties of aerobic rice sown
on 18 Jun, 2013 (D1)
4.3 (g) Soil moisture regime in different varieties of aerobic rice sown
on 7 Jul, 2013 (D )
2
4.3 (h) Soil moisture regime in different varieties of aerobic rice sown
on 20 Jul, 2013 (D )
3
4.3 (i) Soil moisture regime in different varieties of aerobic rice sown
on 4 Aug 2013 (D )
4