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

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Nair, K. S. S., Mohanadas, K and Sudheendrakumar, V. V. (1995) Biological control of the teak defoliator, Hyblaea puera (Lepidoptera: Hyblaidae) using insect parasitoids- problems and prospects. In: Biological control of social forest and plantation crop insects (Ed. Ananthakrishnan, T. N.). Oxford and !BR Publishing Co. Pvt. Ltd.. New Delhi, pp 75-95. Nair, K. S. S. and Mohanadas, K. (1996) Early events in the outbreak of the teak caterpillar, Hyblaea puera. International Journal of Ecology and Environmental Sciences 22: 271-279. Nair, K. S. S., Biju Babjan, Sajeev, T.V., Sudheendrakumar, V. V., Ali, Mohammed, M. I., Varma, R. V. and Mohanadas, K. (1996) Field efficacy of nuclear polyhedraosis virus for protection of teak against the defoliator, Hyblaea puera Cramer (Lepidoptera: Hyblaeidae). Journal ofBiological Control. 10: 79 - 85. Naif, K. SS., Sudheendrakumar, V. V., Varma, R. V., Chacko, K. C. and Jayaraman, K. (1996) Effect of defoliation by Hyblaea puera and Eutectona machaeralis (Lepidoptera) on volume increment of teak. In: Impact of diseases and insect pests in tropical forests (Eds. Naif, K. S. S., Sharma, J. K. and Varma, R. V.) pp. 257-273 KFRI, FORSPA. Nair, K. S. S., Sudheendrakumar, V. V., Mohanadas, K and Varma, R. V. (1997) Control of the Teak Defoliator- Past attempts and new promise. In: Teak (Eds. Chand Basha, S, Mohanan, C. and Sankar, S.) Kerala Forest Department and Kerala Forest Research Institute. p 274: 81-83. Naif, K. S. S., Sudheendrakumar, V. V., Mohanadas, K., Varma, R. V., Mathew, G., Koshy, M. P., and Kedhamath, S. (1997) Search for teak trees resistant to the defoliator, Hyblaea puera Cramer (Lepidoptera, Hyblaeidae) In: Ecology and evolution of plant-feeding insects in natural and man-made environments (Ed. Raman, A.) 109-122, International Scientific Publications, New Delhi. 98
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SPATIAL DYNAMICS OF TEAK DEFOLIATOR
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CERTIFICATE This is to certify that
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Mr. Rajan James, Mr. A. Moosa, Mr.
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4.3.5. Correlation between outbreak
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CHAPTER I INTRODUCTION Insects are
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covering the entire plantations of
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Burma and recommended that providin
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In a two-year light trap study at J
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during 1983-94 and 1987-89 recorded
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area of 50 ha. A group of ten grids
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CHAPTER IV STUDIES ON THE SPATIAL D
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within these various spatially refe
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4.2.3. Correlation between outbreak
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4.3. 2. Outbreak pattern, 1993 The
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4.3.3. Outbreak pattern, 1994 Table
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_ 0 _ 1 0 2 _ 3 _ 4 _ 5
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_ 0 _ 1 0 1 _ 3
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Table 4.7. The relationship between
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Fig. 8. Location of first outbreak
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Table 4.9. Elevation and aspect oft
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aspect and outbreak frequency. The
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map. The methodology adopted for da
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The sixth outbreak occurred on 26 M
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explained as caused by progenies of
Page 55 and 56: Fig.5.3. Map ofNilambur teak planta
Page 61: Fig.5.9. Map ofNilambur teak planta
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 108 and 109: Sudheendrakumar, V. V. (1994) Repro
Page 111 and 112: Date *No. of Incidence Local Date *
Page 113: Date "No. of Incidence Local Date "
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