Spatial dynamics of teak defoliator (Hyblaea puera Cramer) - Cochin ...

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DECLARATION I hereby declare that this thesis entitled "Spatial dynamics of teak defoliator (Hyblaea puera Cramer) outbreaks: patterns and causes" has not previously formed the basis ofany degree, diploma, associateship, fellowship or other similar titles or recognition. Peechi 27 th August 1999. T.V.Sajeev
CERTIFICATE This is to certify that the Ph.D thesis entitled "Spatial dynamics of teak defoliator (Hyb/aea puera Cramer) outbreaks: patterns and causes" is a genuine record of the research work done by Shri. T.V.Sajeev (Reg.No. 1459) under my scientific supervision and the work has not formed the basis for the award of any degree, diploma or associateship in any University. Thiruvananthapuram 28 th August 1999 (Dr. K.S.S.Nair) Supervising Guide
Page 1: SPATIAL DYNAMICS OF TEAK DEFOLIATOR
Page 5 and 6: Mr. Rajan James, Mr. A. Moosa, Mr.
Page 7 and 8: 4.3.5. Correlation between outbreak
Page 9 and 10: CHAPTER I INTRODUCTION Insects are
Page 12 and 13: covering the entire plantations of
Page 14 and 15: Burma and recommended that providin
Page 16 and 17: In a two-year light trap study at J
Page 18 and 19: during 1983-94 and 1987-89 recorded
Page 21 and 22: area of 50 ha. A group of ten grids
Page 23 and 24: CHAPTER IV STUDIES ON THE SPATIAL D
Page 25 and 26: within these various spatially refe
Page 27 and 28: 4.2.3. Correlation between outbreak
Page 30: 4.3. 2. Outbreak pattern, 1993 The
Page 33 and 34: 4.3.3. Outbreak pattern, 1994 Table
Page 35 and 36: _ 0 _ 1 0 2 _ 3 _ 4 _ 5
Page 37 and 38: _ 0 _ 1 0 1 _ 3
Page 39 and 40: Table 4.7. The relationship between
Page 41 and 42: Fig. 8. Location of first outbreak
Page 43 and 44: Table 4.9. Elevation and aspect oft
Page 45 and 46: aspect and outbreak frequency. The
Page 47 and 48: map. The methodology adopted for da
Page 49 and 50: The sixth outbreak occurred on 26 M
Page 51 and 52: explained as caused by progenies of
Page 55 and 56:
Fig.5.3. Map ofNilambur teak planta
Page 57 and 58:
Page 59 and 60:
Page 61:
Page 67 and 68:
Fig.5 .15. Map ofNilambur teak plan
Page 71 and 72:
Fig.5.l9. Map ofNilambur teak plant
Page 73 and 74:
Fig.5 .21. Map ofNilambur teak plan
Page 75:
'------------------ ------- --- ---
Page 78 and 79:
6.2. METHODS In this study, post em
Page 80 and 81:
was observed at around 06.15 h on t
Page 82 and 83:
Two moths (one male and one female)
Page 84 and 85:
Aggregations of the moths were pred
Page 86 and 87:
CHAPTER VII DEVELOPMENT OF OUTBREAK
Page 88 and 89:
-.-.-._ --- _--. Black light tube -
Page 91 and 92:
Table 7.1. Correspondence between l
Page 93 and 94:
foliage. If folds are detected, obs
Page 95 and 96:
study has considerable bearing on t
Page 97 and 98:
maximum of 13 ha (see Section 5.2,
Page 99 and 100:
c) Variation in plant quality I ava
Page 102 and 103:
away places. These populations seld
Page 104 and 105:
Berryman, A. A. (1987) The theory a
Page 106:
Nair, K. S. S., Mohanadas, K and Su
Page 109:
APPENDIX A ALGORITHM: FOR COMPUTATI
Page 112 and 113:
Date *No. of Incidence Local Date *
Page 115:
Date "No. of Incidence local Date "
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