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Volumn 48, Issue 2, 2012, Pages 176-193

The water relations of rubber (hevea brasiliensis): A review

Author keywords

[No Author keywords available]

Indexed keywords

HEVEA BRASILIENSIS;

EID: 84858252017     PISSN: 00144797     EISSN: 14694441     Source Type: Journal    
DOI: 10.1017/S0014479711000901     Document Type: Review
Times cited : (58)

References (68)
  • 2
    • 0031423031 scopus 로고    scopus 로고
    • Growth, structural change and plantation tree crops; The case of rubber
    • Barlow, C. (1997). Growth, structural change and plantation tree crops; the case of rubber. World Development 25(10):1589-1607.
    • (1997) World Development , vol.25 , Issue.10 , pp. 1589-1607
    • Barlow, C.1
  • 3
    • 34250027891 scopus 로고    scopus 로고
    • Stock-scion interactions on growth and rubber yield of Hevea brasiliensis
    • Cardinal, A. B. B., Goncalves, P. D. and Martins, A. L. M. (2007). Stock-scion interactions on growth and rubber yield of Hevea brasiliensis. Scientia Agricola (Piracicara, Braz.) 64(3):235-240. (Pubitemid 46890625)
    • (2007) Scientia Agricola , vol.64 , Issue.3 , pp. 235-240
    • Cardinal, A.B.B.1    Goncalves, P.D.S.2    Martins, A.L.M.3
  • 4
    • 0034758266 scopus 로고    scopus 로고
    • The water relations and irrigation requirements of coffee
    • DOI 10.1017/S0014479701001090
    • Carr, M. K. V. (2001). The water relations and irrigation requirements of coffee. Experimental Agriculture 37:1-36. (Pubitemid 33037200)
    • (2001) Experimental Agriculture , vol.37 , Issue.1 , pp. 1-36
    • Carr, M.K.V.1
  • 5
    • 70350572945 scopus 로고    scopus 로고
    • The water relations and irrigation requirements of banana (Musa Spp.)
    • Carr, M. K. V. (2009). The water relations and irrigation requirements of banana (Musa Spp.). Experimental Agriculture 45:333-371.
    • (2009) Experimental Agriculture , vol.45 , pp. 333-371
    • Carr, M.K.V.1
  • 6
    • 77955923659 scopus 로고    scopus 로고
    • The role of water in the growth of the tea (Camellia sinensis L.) crop: A synthesis of research in eastern Africa. 1. Plant water relations
    • Carr, M. K. V. (2010a). The role of water in the growth of the tea (Camellia sinensis L.) crop: a synthesis of research in eastern Africa. 1. Plant water relations. Experimental Agriculture 46:329-349.
    • (2010) Experimental Agriculture , vol.46 , pp. 329-349
    • Carr, M.K.V.1
  • 7
    • 77955927763 scopus 로고    scopus 로고
    • The role of water in the growth of the tea (Camellia sinensis L.) crop: A synthesis of research in eastern Africa. 2. Water productivity
    • Carr, M. K. V. (2010b). The role of water in the growth of the tea (Camellia sinensis L.) crop: a synthesis of research in eastern Africa. 2. Water productivity. Experimental Agriculture 46:351-379.
    • (2010) Experimental Agriculture , vol.46 , pp. 351-379
    • Carr, M.K.V.1
  • 8
    • 79960460717 scopus 로고    scopus 로고
    • The water relations and irrigation requirements of coconut (Cocos nucifera L.): A review
    • Carr, M. K. V. (2011a). The water relations and irrigation requirements of coconut (Cocos nucifera L.): a review. Experimental Agriculture 47:27-51.
    • (2011) Experimental Agriculture , vol.47 , pp. 27-51
    • Carr, M.K.V.1
  • 9
    • 82555194622 scopus 로고    scopus 로고
    • The water relations and irrigation requirements of oil palm (Elaeis guineensis): A review
    • Carr, M. K. V. (2011b). The water relations and irrigation requirements of oil palm (Elaeis guineensis): a review. Experimental Agriculture 47:629-652.
    • (2011) Experimental Agriculture , vol.47 , pp. 629-652
    • Carr, M.K.V.1
  • 10
    • 79960464543 scopus 로고    scopus 로고
    • The water relations and irrigation requirements of sugar cane (Saccharum officinarum L.): A review
    • Carr, M. K. V. and Knox, J. W. (2011). The water relations and irrigation requirements of sugar cane (Saccharum officinarum L.): a review. Experimental Agriculture 47:1-25.
    • (2011) Experimental Agriculture , vol.47 , pp. 1-25
    • Carr, M.K.V.1    Knox, J.W.2
  • 11
    • 82555168533 scopus 로고    scopus 로고
    • The water relations and irrigation requirements of cocoa (Theobroma cacao L.): A review
    • Carr, M. K. V. and Lockwood, G. (2011). The water relations and irrigation requirements of cocoa (Theobroma cacao L.): a review. Experimental Agriculture 47:653-690.
    • (2011) Experimental Agriculture , vol.47 , pp. 653-690
    • Carr, M.K.V.1    Lockwood, G.2
  • 12
    • 0031848789 scopus 로고    scopus 로고
    • An analysis of growth and drought tolerance in rubber during the immature phase in a dry subhumid climate
    • DOI 10.1017/S0014479798343045
    • Chandrashekar, T. R.,Nazeer,M. A., Marattukulam, J.G., Prakash, J. P., Annamalainathan, K. and Thomas, J. (1998). An analysis of growth and drought tolerance in rubber during the immature phase in a dry subhumid climate. Experimental Agriculture 34:287-300. (Pubitemid 28338559)
    • (1998) Experimental Agriculture , vol.34 , Issue.3 , pp. 287-300
    • Chandrashekar, T.R.1    Nazeer, M.A.2    Marattukalam, J.G.3    Prakash, G.P.4    Annamalainathan, K.5    Thomas, J.6
  • 13
    • 77956284177 scopus 로고    scopus 로고
    • Gas exchange and hydraulics in seedlings of Hevea brasiliensis during water stress and recovery
    • Chen, J-W., Zhang, Q., Li, X.-S. and Cao, K.-F. (2010). Gas exchange and hydraulics in seedlings of Hevea brasiliensis during water stress and recovery. Tree Physiology 30(7):876-885.
    • (2010) Tree Physiology , vol.30 , Issue.7 , pp. 876-885
    • Chen, J.-W.1    Zhang, Q.2    Li, X.-S.3    Cao, K.-F.4
  • 14
    • 0000919647 scopus 로고
    • Potential productivity of tropical perennial crops
    • Corley, R. H. V. (1983). Potential productivity of tropical perennial crops. Experimental Agriculture 19:217-237.
    • (1983) Experimental Agriculture , vol.19 , pp. 217-237
    • Corley, R.H.V.1
  • 15
    • 0344026064 scopus 로고    scopus 로고
    • Drought alters the canopy architecture and micro-climate of Hevea brasiliensis trees
    • DOI 10.1007/s004680050200
    • Devakumar, A. S., Prakash, P., Sathik, M. B. M. and Jacob, J. (1999). Drought alters the canopy architecture and micro-climate of Hevea brasiliensis trees. Trees 13:161-167. (Pubitemid 29105340)
    • (1999) Trees - Structure and Function , vol.13 , Issue.3 , pp. 161-167
    • Devakumar, A.S.1    Prakash, P.G.2    Sathik, M.B.M.3    Jacob, J.4
  • 16
    • 0038804940 scopus 로고    scopus 로고
    • Effects of atmospheric and soil drought on growth and development of Hevea brasiliensis
    • Devakumar, A. S., Sathik, M. B. M., Jacob, J. and Annamalainathan, K. (1998). Effects of atmospheric and soil drought on growth and development of Hevea brasiliensis. Journal of Rubber Research 1(3):190-198.
    • (1998) Journal of Rubber Research , vol.1 , Issue.3 , pp. 190-198
    • Devakumar, A.S.1    Sathik, M.B.M.2    Jacob, J.3    Annamalainathan, K.4
  • 17
    • 0036022020 scopus 로고    scopus 로고
    • Influence of natural temperature gradients on measurements of xylem sap flow with thermal dissipation probes. 2. Advantages and calibration of a noncontinuous heating system
    • Do, F. and Rocheteau, A. (2002). Influence of natural temperature gradients on measurements of xylem sap flow with thermal dissipation probes. 2. Advantages and calibration of a non-continuous heating system. Tree Physiology 22:649-654. (Pubitemid 34853413)
    • (2002) Tree Physiology , vol.22 , Issue.9 , pp. 649-654
    • Do, F.1    Rocheteau, A.2
  • 18
    • 84858224676 scopus 로고    scopus 로고
    • FAOSTAT 2010
    • FAOSTAT (2010). http://faostat.fao.org/site/567/DesktopDefault.aspx? PageID=567#ancor
  • 19
    • 0348028775 scopus 로고
    • Base temperature and heat units for leaf flushing emission and growth of Hevea brasiliensis Muell. Arg
    • Filho, J. P. de L., Nova, N. A. V. and Pinto, H. S. (1993). Base temperature and heat units for leaf flushing emission and growth of Hevea brasiliensis Muell. Arg. International Journal of Biometeorology 37:65-67.
    • (1993) International Journal of Biometeorology , vol.37 , pp. 65-67
    • Filho De, J.P.L.1    Nova, N.A.V.2    Pinto, H.S.3
  • 20
    • 67349265543 scopus 로고    scopus 로고
    • Active root distribution pattern of Hevea brasiliensis determined by radioassay of latex serum
    • George, S., Suresh, P. R., Wahid, P. A., Nair, R. B. and Punnoose, K. I. (2009). Active root distribution pattern of Hevea brasiliensis determined by radioassay of latex serum. Agroforestry Systems 76:275-281.
    • (2009) Agroforestry Systems , vol.76 , pp. 275-281
    • George, S.1    Suresh, P.R.2    Wahid, P.A.3    Nair, R.B.4    Punnoose, K.I.5
  • 21
    • 38249030921 scopus 로고
    • Stomatal characteristics, leaf waxes, and transpiration rates of Theobroma cacao and Hevea brasiliensis seedlings
    • Gomes, A. R. S. and Kozlowski, T. T. (1988). Stomatal characteristics, leaf waxes, and transpiration rates of Theobroma cacao and Hevea brasiliensis seedlings. Annals of Botany 61:425-432.
    • (1988) Annals of Botany , vol.61 , pp. 425-432
    • Gomes, A.R.S.1    Kozlowski, T.T.2
  • 23
    • 84858251237 scopus 로고    scopus 로고
    • Growth dynamics of fine Hevea brasilensis roots along a 4.5-m soil profile
    • Gonkhamdee, S., Pierret, A., Maeght, J.-l. and Do, F. C. (2009). Growth dynamics of fine Hevea brasilensis roots along a 4.5-m soil profile. Khon Kaen Agriculture Journal 3:265-276.
    • (2009) Khon Kaen Agriculture Journal , vol.3 , pp. 265-276
    • Gonkhamdee, S.1    Pierret, A.2    Maeght, J.L.3    Do, F.C.4
  • 26
    • 34247514922 scopus 로고    scopus 로고
    • Genotypic variation in canopy photosynthesis, leaf gas exchange characteristics and their response to tapping in rubber (Hevea brasiliensis)
    • DOI 10.1017/S0014479706004583, PII S0014479706004583
    • Gunasekara, H. K. L. K., De Costa, W. A. J. M. and Nugawela, F. A. (2007a). Genotypic variation in canopy photosynthesis, leaf gas exchange characteristics and their response to tapping in rubber (Hevea brasiliensis). Experimental Agriculture 43:223-239. (Pubitemid 46650134)
    • (2007) Experimental Agriculture , vol.43 , Issue.2 , pp. 223-239
    • Gunasekara, H.K.L.K.1    De Costa, W.A.J.M.2    Nugawela, E.A.3
  • 27
    • 34247505188 scopus 로고    scopus 로고
    • Possibility of early commencement of tapping in rubber (Hevea brasiliensis) using different genotypes and tapping systems
    • DOI 10.1017/S0014479706004595, PII S0014479706004595
    • Gunasekara, H. K. L. K., Nugawela, F. A., De Costa, W. A. J. M. and Attanayake, D. P. S. T. G. (2007b). Possibility of early commencement of tapping in rubber (Hevea brasiliensis) using different genotypes and tapping systems. Experimental Agriculture 43:201-221. (Pubitemid 46650135)
    • (2007) Experimental Agriculture , vol.43 , Issue.2 , pp. 201-221
    • Gunasekara, H.K.L.K.1    Nugawela, E.A.2    De Costa, W.A.J.M.3    Attanayake, D.P.S.T.G.4
  • 33
    • 43449119046 scopus 로고
    • Comparative evaluation of basin and drip irrigation systems of irrigation in rubber
    • Jessy, M. D., Mathew, M., Jacob, S. and Punnoose, K. I. (1994). Comparative evaluation of basin and drip irrigation systems of irrigation in rubber. Indian Journal Natural Rubber Research 7(1):51-56.
    • (1994) Indian Journal Natural Rubber Research , vol.7 , Issue.1 , pp. 51-56
    • Jessy, M.D.1    Mathew, M.2    Jacob, S.3    Punnoose, K.I.4
  • 36
    • 84978602655 scopus 로고    scopus 로고
    • Leaf anatomy of rubber-tree clones
    • Martins, M. B. G. and Zieri, R. (2003). Leaf anatomy of rubber tree clones. Scientia Agricola 60(4):709-713. (Pubitemid 37476781)
    • (2003) Scientia Agricola , vol.60 , Issue.4 , pp. 709-713
    • Martins, M.B.G.1    Zieri, R.2
  • 38
    • 84925117760 scopus 로고
    • Effect of leaf age and water deficit on the leaf photosynthetic rate of Hevea brasiliensis
    • Kuala Lumpur, Malaysia, 21-25 October 1985
    • Monteny, B. A. and Barigah, S. (1985). Effect of leaf age and water deficit on the leaf photosynthetic rate of Hevea brasiliensis. In Proceedings of the International Rubber Conference, Kuala Lumpur, Malaysia, 21-25 October 1985, 1-11.
    • (1985) Proceedings of the International Rubber Conference , pp. 1-11
    • Monteny, B.A.1    Barigah, S.2
  • 39
    • 0032786575 scopus 로고    scopus 로고
    • Clonal differences in photosynthesis in Hevea brasiliensis Mull. Arg
    • Nataraja, K. N. and Jacob, J. (1999). Clonal differences in photosynthesis in Hevea brasiliensis M̈υll. Arg. Photosynthetica 36:89-98. (Pubitemid 29337701)
    • (1999) Photosynthetica , vol.36 , Issue.1-2 , pp. 89-98
    • Nataraja, K.N.1    Jacob, J.2
  • 40
    • 0009996123 scopus 로고
    • Possible use of certain physiological characteristics of young Hevea plants in predicting yield at maturity
    • Nugawela, A., Long, S. P. and Aluthhewage, R. K. (1995). Possible use of certain physiological characteristics of young Hevea plants in predicting yield at maturity. Indian Journal of Natural Rubber Research 8:100-108.
    • (1995) Indian Journal of Natural Rubber Research , vol.8 , pp. 100-108
    • Nugawela, A.1    Long, S.P.2    Aluthhewage, R.K.3
  • 41
    • 0347428922 scopus 로고
    • Exploitation of the rubber tree
    • (Eds C. C. Webster and W. J. Baulkwill). Essex, UK: Longman
    • Paardekooper, E. C. (1989). Exploitation of the rubber tree. In Rubber, 349-414 (Eds C. C. Webster and W. J. Baulkwill). Essex, UK: Longman.
    • (1989) Rubber , pp. 349-414
    • Paardekooper, E.C.1
  • 42
    • 0345448895 scopus 로고
    • Diurnal variation in latex yield and dry rubber content in relation to the saturation deficit of air
    • Paardekooper, E. C. and Sookmark, S. (1969). Diurnal variation in latex yield and dry rubber content in relation to the saturation deficit of air. Journal of the Rubber Research Institute of Malaya 21:341-347.
    • (1969) Journal of the Rubber Research Institute of Malaya , vol.21 , pp. 341-347
    • Paardekooper, E.C.1    Sookmark, S.2
  • 44
    • 21144446387 scopus 로고    scopus 로고
    • Breeding Hevea brasiliensis for environmental constraints
    • Priyadarshan, P. M. (2003). Breeding Hevea brasiliensis for environmental constraints. Advances in Agronomy 79:351-400.
    • (2003) Advances in Agronomy , vol.79 , pp. 351-400
    • Priyadarshan, P.M.1
  • 45
    • 27344441090 scopus 로고    scopus 로고
    • Yielding potential of rubber (Hevea brasiliensis) in sub-optimal environments
    • DOI 10.1300/J411v14n01-10
    • Priyadarshan, P. M., Hoa, T. T. T., Huasun, H. and Gonçalves, P. de S. (2005). Yielding potential of rubber (Hevea brasiliensis) in sub-optimal environments. In Genetic and Production Innovations in Field Crop Technology: New Developments in Theory and Practice, 221-247 (Ed M. S. Kang). New York: Haworth Press. (Pubitemid 41527558)
    • (2005) Journal of Crop Improvement , vol.14 , Issue.1-2 , pp. 221-247
    • Priyadarshan, P.M.1    Hoa, T.T.T.2    Huasun, H.3    Goncalves, P.D.S.4
  • 47
    • 0029187547 scopus 로고
    • Xylem conduction and cavitation in Hevea brasiliensis
    • Ranasinghe,M. S. and Milburn, J. A. (1995).Xylem conduction and cavitation in Hevea brasiliensis. Journal of Experimental Botany 46:1693-1700. (Pubitemid 3001525)
    • (1995) Journal of Experimental Botany , vol.46 , Issue.292 , pp. 1693-1700
    • Ranasinghe, M.S.1    Milburn, J.A.2
  • 48
    • 9244233002 scopus 로고
    • Controlled wintering of Hevea brasiliensis for avoiding secondary leaf fall
    • (Eds R. L. Wastie and B. J. Wood). Kuala Lumpur, Malaysia: Incorporated Society of Planters
    • Rao, B. S. (1971). Controlled wintering of Hevea brasiliensis for avoiding secondary leaf fall. In Proceedings of the Conference, Crop Protection in Malaysia, 204-211 (Eds R. L. Wastie and B. J. Wood). Kuala Lumpur, Malaysia: Incorporated Society of Planters.
    • (1971) Proceedings of the Conference, Crop Protection in Malaysia , pp. 204-211
    • Rao, B.S.1
  • 49
    • 46249119908 scopus 로고    scopus 로고
    • Ecophysiological factors underpinning productivity of Hevea brasiliensis
    • DOI 10.1590/S1677-04202007000400002
    • Rodrigo, V. H. L. (2007). Ecophysiological factors underpinning productivity of Hevea brasiliensis. Brazilian Journal of Plant Physiology 19(4):245-255. (Pubitemid 351914372)
    • (2007) Brazilian Journal of Plant Physiology , vol.19 , Issue.4 , pp. 245-255
    • Rodrigo, V.H.L.1
  • 51
    • 51849176698 scopus 로고
    • Differences in stomatal density, dimension and stomatal conductances to water vapour diffusion in seven Hevea species
    • Samsuddin, Z. (1980). Differences in stomatal density, dimension and stomatal conductances to water vapour diffusion in seven Hevea species. Biologia Plantarum 22:154-156.
    • (1980) Biologia Plantarum , vol.22 , pp. 154-156
    • Samsuddin, Z.1
  • 52
    • 77953046283 scopus 로고
    • Comparative net photosynthesis of four Hevea brasiliensis clonal seedlings
    • Samsuddin, Z. and Impens, I. (1978). Comparative net photosynthesis of four Hevea brasiliensis clonal seedlings. Experimental Agriculture 14:337-340.
    • (1978) Experimental Agriculture , vol.14 , pp. 337-340
    • Samsuddin, Z.1    Impens, I.2
  • 53
    • 77953076161 scopus 로고
    • Relationship between leaf age and some carbon dioxide exchange characteristics of four Hevea brasiliensis Muel
    • Samsuddin, Z. and Impens, I. (1979a).Relationship between leaf age and some carbon dioxide exchange characteristics of four Hevea brasiliensis Muel. Agr. clones. Photosynthetica 13:208-210.
    • (1979) Agr. Clones. Photosynthetica , vol.13 , pp. 208-210
    • Samsuddin, Z.1    Impens, I.2
  • 54
    • 71749099945 scopus 로고
    • The development of photosynthetic rate with leaf age in Hevea brasiliensis Muel. Agr. Clonal seedlings
    • Samsuddin, Z. and Impens, I. (1979b). The development of photosynthetic rate with leaf age in Hevea brasiliensis Muel. Agr. Clonal seedlings. Photosynthetica 13:267-270.
    • (1979) Photosynthetica , vol.13 , pp. 267-270
    • Samsuddin, Z.1    Impens, I.2
  • 58
    • 0041625720 scopus 로고    scopus 로고
    • Growth, photosynthetic performance and shade adaptation of rubber (Hevea brasiliensis) grown in natural shade
    • Senevirathna, A. M. W. K., Stirling, C. M. and Rodrigo, V. H. L. (2003). Growth, photosynthetic performance and shade adaptation of rubber (Hevea brasiliensis) grown in natural shade. Tree Physiology 23:705-712. (Pubitemid 36941229)
    • (2003) Tree Physiology , vol.23 , Issue.10 , pp. 705-712
    • Senevirathna, A.M.W.K.1    Stirling, C.M.2    Rodrigo, V.H.L.3
  • 60
    • 34547798015 scopus 로고
    • Feeder root development of Havea brasiliensis in relation to clones and environment
    • Soong, N. K. (1976). Feeder root development of Havea brasiliensis in relation to clones and environment. Journal of the Rubber Research Institute of Malaysia 24:283-298.
    • (1976) Journal of the Rubber Research Institute of Malaysia , vol.24 , pp. 283-298
    • Soong, N.K.1
  • 62
    • 84858251449 scopus 로고
    • Where lies the yield summit for Hevea? Planters' Bulletin for the Rubber
    • Templeton, J. K. (1969). Where lies the yield summit for Hevea? Planters' Bulletin for the Rubber Research Institute of Malaya 104:220-225.
    • (1969) Research Institute of Malaya , vol.104 , pp. 220-225
    • Templeton, J.K.1
  • 63
    • 0030054934 scopus 로고    scopus 로고
    • Periodicity in the development of the root system of young rubber trees (Hevea brasilienis M̈υell. Arg.): Relationship with shoot development
    • Thaler, P. and Pagès, L. (1996). Periodicity in the development of the root system of young rubber trees (Hevea brasilienis M̈υell. Arg.): relationship with shoot development. Plant, Cell and Environment 19:56-64.
    • (1996) Plant, Cell and Environment , vol.19 , pp. 56-64
    • Thaler, P.1    Pagès, L.2
  • 64
    • 0031820909 scopus 로고    scopus 로고
    • Modelling the influence of assimilate availability on root growth and architecture
    • DOI 10.1023/A:1004380021699
    • Thaler, P. and Pagès, L. (1998). Modelling the influence of assimilate availability on root growth and architecture. Plant and Soil 201:307-320. (Pubitemid 28378580)
    • (1998) Plant and Soil , vol.201 , Issue.2 , pp. 307-320
    • Thaler, P.1    Pages, L.2
  • 65
    • 84858243691 scopus 로고    scopus 로고
    • Rubber
    • Ch. 10 (Eds V. L. Chopra and K. V. Peter). New York: Haworth Press
    • Varghese, Y. A. and Abraham, S. T. (2005). Rubber. In Handbook of Industrial Crops, Ch. 10, 403-458 (Eds V. L. Chopra and K. V. Peter). New York: Haworth Press.
    • (2005) Handbook of Industrial Crops , pp. 403-458
    • Varghese, Y.A.1    Abraham, S.T.2
  • 67
    • 84858217214 scopus 로고    scopus 로고
    • Emerging smallholder rubber farming systems in India and Thailand: A comparative economic analysis
    • Viswanathan, P. K. (2008). Emerging smallholder rubber farming systems in India and Thailand: A comparative economic analysis. Asian Journal of Agriculture and Development 5(2):1-16.
    • (2008) Asian Journal of Agriculture and Development , vol.5 , Issue.2 , pp. 1-16
    • Viswanathan, P.K.1
  • 68
    • 0010284770 scopus 로고
    • The botany of the rubber tree
    • (Eds C. C. Webster and W. J. Baulkwill). Essex, UK: Longman
    • Webster, C. C. and Paardekooper, E. C. (1989). The botany of the rubber tree. In Rubber, 57-84 (Eds C. C. Webster and W. J. Baulkwill). Essex, UK: Longman.
    • (1989) Rubber , pp. 57-84
    • Webster, C.C.1    Paardekooper, E.C.2


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