Table Of Content“RELATIVE ABUNDANCE OF MAJOR INSECT PESTS AND
THEIR NATURAL ENEMIES IN DIFFERENT RICE
ECOSYSTEM DURING KHARIF SEASON”
M. Sc. (Ag.) THESIS
By
YASPAL SINGH NIRALA
DEPATMENT OF ENTOMOLOGY
COLLEGE OF AGRICULTURE
INDIRA GANDHI KRISHI VISWAVIDYALAYA
RAIPUR (C.G.)
2014
“RELATIVE ABUNDANCE OF MAJOR INSECT PESTS AND
THEIR NATURAL ENEMIES IN DIFFERENT RICE
ECOSYSTEM DURING KHARIF SEASON”
THESIS
Submitted to the
Indira Gandhi Krishi Viswavidyalaya,
Raipur
By
YASPAL SINGH NIRALA
IN PARTIAL FULFILMENT OF THE
REQUIRMENTS FOR THE
DEGREE OF
Master of Science
In
Agriculture
(ENTOMOLOGY)
ROLL NO. 15532 ID NO. 110508051
JULY, 2014
ACKNOWLEDGEMENT
First of all I would like to thank and praise Almighty “God” the most beneficent
and merciful, for all his love and blessing conferred upon mankind.
I take this golden opportunity to express my deepest sense of gratitude to the
Chairman of my Advisory Committee Shri Gagendra Chandrakar, Assistant Professor,
Department of Entomology, for his research insight, valuable guidance, constant
encouragement, unique supervision and kind sympathetic attitude, despite his heaviest
schedule of work, his helpful, patience, creative guidance has given touch of excellence to
this manuscript.
With extreme pleasure, I extent my heartiest thanks to the members of my
Advisory Committee Dr. Sanjay Sharma, Professor, Department of Entomology, Shri
Vikas Singh Scientist, Department of Entomology, Dr. Shrikant Chitale, Scientist,
Department of Agronomy and R.R. Saxena, Professor Department of Agril. Statistics and
Social Science (L) for their excellent guidance, suggestions and regular encouragement
during the course of investigation.
I express my sincere and profound gratitude to Dr. V.K. Kosta, Prof. and Head,
Department of Entomology for his inspiring suggestions and providing me all the
necessary facilities, during my study.
I wish to record my sincere thanks to Dr. S. K. Patil, Hon’ble Vice Chancellor,
Dr. J.S. Urkurkar, Director Research Services and Dr. S.S. Shaw, Director of
Instructions, Dr.M.P. Thakur, Director Extention Services, Dr.V.K. Kosta,Dean Student
Welfare, IGKV, Raipur, Dr.S.R.Patel, Dean, College of Agriculture, Raipur, for their
administrative and technical help which facilitated my research work.
I am highly indebted to the teachers of my Department Dr. A.K. Dubey, Dr. V.K. Dubey
Dr.Rajiv Gupta, Dr. H.K. Chandrakar, Dr. Shiv.K.Srivastava, Dr. S.K.Srivastava, Dr.Y.K.Yadu, Dr.
R.N. Ganguli, Dr. D.K. Rana, Dr. (Smt.) Jaya Laxmi Ganguli, Dr. B.P. Katalam, Shri Navneet Rana,
Shri Vikas Singh, Shri P.K. Netam for their constant co-operative suggestion, encouragement and
help during my investigation.
I do express my heartiest thanks to Shri R.S. Yadav, Shri D.N. Chandrakar, Shri
Kunjulal Sahu, Shri Sankirtan, Shri Babulal, Shri Ghanshyam, Shri Manoj Patel, Shri
CONTENTS
PAGE
CHAPTER PARTICULARS
NO.
I INTRODUCTION 1-6
II REVIEW OF LITERATURE 7-20
III MATERIALS AND METHODS 21-29
IV RESULTS AND DISCUSSION 30-127
V SUMMARY, CONCLUSION & SUGGESTIONS FOR 128-139
FUTURE RESEARCH WORK
ABSTRACT 140
REFERENCES 141-157
LIST OF TABLE
TABLE BETWEEN
PARTICULARS
PAGES
NO.
4.1.1.1 Succession of rice insect pests in different rice ecosystem 46-51
through sweeping net sampling at Raipur during kharif season
2013-14.
4.1.1.2 Overall status of rice insect pests in different rice ecosystem at 51
Raipur during kharif season 2013-14.
4.1.2.1 Percent damage of rice insect pests in different rice ecosystem 82-84
at Raipur during kharif season 2013-14.
4.1.2.2 Overall situations of per cent damage of rice insect pests in 84
different rice ecosystem at Raipur during kharif season 2013-
14.
4.1.3 Observation of stem borer species composition in different 87
rice ecosystem at Raipur during kharif season 2013-14.
4.2.1 Observations of natural enemies in different rice ecosystem at 96-99
Raipur during kharif season 2013-14.
4.2.2 Overall situations of natural enemies of rice insect pests in 99
different rice ecosystem at Raipur during kharif season 2013-
14.
4.2.3 List of the natural enemies found in different rice ecosystem 104-106
at Raipur during kharif season 2013-14.
4.2.4 Observation of stem borer egg mass parasitization at Raipur 108
during kharif season 2013-14.
4.2.5 Observation of stem borer larval parasitization by NPV in 110
different rice ecosystem at Raipur during kharif season 2013-
14.
4.2.6 Stem borer larval-pupal parasitization. 111
4.2.7 Observation of brown plant hopper egg mass parasitization at 114
weekly interval in Raipur during kharif season 2013-14.
4.3.1.1 Weekly observations of insect pests of rice in the light trap 121
collection data at Raipur during kharif season 2013-14.
4.3.1.2 Correlation coefficient (r) between insect population and 122
weather parameters at Raipur during kharif season 2013-14.
4.3.2.1 Weekly observation of natural enemies in the light trap 125
collection data at Raipur during kharif season 2013-14.
4.3.2.2 Correlation coefficient between natural enemies population 126
and weather parameters during kharif season 2013-14.
LIST OF FIGURES
FIGOURS BETWEEN
PARTICULARS
NO. PAGES
4.1.1.2 Overall status of rice insect pests in different rice 51-52
ecosystem at Raipur during kharif season 2013-14.
4.1.2.2 Overall situations of per cent damage of rice insect pests 84-85
in different rice ecosystem at Raipur during kharif
season 2013-14.
4.1.3 Observation of stem borer species composition in 87-89
different rice ecosystem at Raipur during kharif season
2013-14.
4.2.2 Overall situations of natural enemies of rice insect pests 99-100
in different rice ecosystem at Raipur during kharif season
2013-14.
4.2.4 Relative composition of egg parasitoids of rice yellow 107-109
stem borer, Scirpophaga incertulas Walker at Raipur
during kharif season 2013-14.
4.2.5 Observation of stem borer larval parasitization by NPV 109-111
in different rice ecosystem at Raipur during kharif
season 2013-14.
4.2.6 Observation of BPH egg mass parasitization at weekly 112-114
interval in Raipur during kharif season 2013-14.
4.3.1.1 Weekly observations of insect pests of rice in the light 121-122
trap collection data at Raipur during kharif season
2013-14
4.3.1.2 Regression equation between weather parameter and 122-123
different rice insect pests.
4.3.2.1 Weekly observation of natural enemies in the light trap 125-126
collection data at Raipur during kharif season 2013
4.3.1.2 Regression equation between weather parameter and 125-127
Ear wigs
LIST OF PLATES
PLATES BETWEEN
PARTICULARS
NO. PAGES
1 Rice insect pests found in different rice ecosystem 76-77
2 Different species of spiders found in rice ecosystem 88-89
3 Different species of wasps found in rice ecosystem 90-91
4 Different species of damsel and dragon flies found in 91-92
different rice ecosystem
5 Diffrent species of lady bird beetle found in different rice 100-101
ecosystem
6 Mirid bugs adult and nymph found in different rice 100-101
ecosystem
7 Ground beetle, Ophionea nigrofasciata 100-101
8 Rove beetle, Paederus fuscipes 100-101
9 Ear wigs, Doru aculeatum 100-101
10 Syrphid fly adult 102-103
11 Techanid fly, Chaetomylobia javana pupa 102-103
12 Assassin bug, Polytoxus fuscovittatus adult 102-103
13 Dragon and damselfly naiads 102-103
14 Water strider, Limnogonus fossarum 102-103
15 Water beetle, Dytiscus sp. 102-103
16 Virus infected rice skipper larvae 102-103
17 Virus infected horn caterpillar larvae 102-103
18 Pathogenic fungus infected rice skipper larvae 102-103
19 Stem borer egg mass parasitization 108-109
20 BPH egg mass parasitization 114-115
Description:Department of Agronomy and R.R. Saxena, Professor Department of Agril. Statistics . 100-101. 6. Mirid bugs adult and nymph found in different rice ecosystem Rice occupies the prominent place in Indian agriculture. as influenced by organic treatments in rice ecosystem at Acharya N.G. Ranga.
