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501.
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Physiological traits for identification of potential drought tolerant accessions from wild Hevea germplasm by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Natural Rubber Research 2011
Availability: Not available: RRII Library: Journals (1).

502.
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Possibilities for pre-emergence weedkillers in immature rubber by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Proceedings of the Natural Rubber Research Conference, Kuala Lumpur, 1960; p290-296
Availability: Not available: RRII Library: Journals (1).

503.
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Possibilities of growing rubber in marginal dry areas by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Papers presented at the IRRDB seminar 5-8 November 1996 Sri Lanka p15-16
Availability: Not available: RRII Library: Journals (1).

504.
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Possibility of expansion of the latex based industry in Sri Lanka by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Rubber Research Institute of Sri Lanka Bulletin 1977
Availability: Not available: RRII Library: Journals (1).

505.
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Possible causes of low rubber yields in smallholder units in Sri Lanka by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Natural Rubber Research 2006
Availability: Not available: RRII Library: Journals (1).

506.
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Potential new primary clones of Hevea evolved by ortet selection in India by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Journal of Rubber Research 2013
Availability: Not available: RRII Library: Journals (1).

507.
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Potential of rock phosphate use in rubber cultivation by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: IRRDB Symposium on Natural Rubber(Hevea brasiliensis) V.1- General, Soils and Fertilization and Breeding and Selection Sessions. Ho Chi Minh City, Vietnam, 14-15 October 1997,p45-53
Availability: Not available: RRII Library: Journals (1).

508.
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Preference ranking as a participatory tool in identifying farmers perceptions in planning effective dissemination programmes by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Journal of the Rubber Research Institute of Sri Lanka 2003
Availability: Not available: RRII Library: Journals (1).

509.
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Preliminary field screening of wild Hevea germplasm for tolerance to drought by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Natural Rubber Research 2010
Availability: Not available: RRII Library: Journals (1).

510.
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Preliminary observations of the 1981 IRRDB Hevea germplasm. II. Variability study on dry matter and morphological characters by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Placrosym X, 1993, Kasaragod, India. Journal of Plantation Crops, 21 (Supplement): 268-274. 1993
Availability: Not available: RRII Library: Journals (1).

511.
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Preparation of concentrated latex by the creaming technique by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Rubber Research Institute of Sri Lanka Bulletin 1979
Availability: Not available: RRII Library: Journals (1).

512.
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Pre-planting fertilizer application practices in rubber plantations by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Journal of the National Institute of Plantation Management 2001
Online resources:
Availability: Not available: RRII Library: Journals (1).

513.
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Prepotency in rubber: 2. Seedling progeny analysis for yield and certain yield attributes by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Indian Journal of Natural Rubber Research 1996
Availability: Not available: RRII Library: Journals (1).

514.
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Production/morphological characters relationship in rubber tree progenies by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Pesquisa Agropecuaria Brasileira 1998
Online resources:
Availability: Not available: RRII Library: Journals (1).

515.
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Promising Hevea brasiliensis clones evolved by ortet selection with emphasis on latex-timber traits and response to stimulation by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Journal of Plantation Crops 2005
Availability: Not available: RRII Library: Journals (1).

516.
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Promising Hevea brasiliensis clones for the sub-tropical climate of Meghalaya by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Natural Rubber Research 2007
Availability: Not available: RRII Library: Journals (1).

517.
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Promising new ortets of Hevea from small holdings of Kerala: Small scale evaluation in Dakshin Kannada district of Karnataka by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Rubber Science 2017
Availability: Not available: RRII Library: Journals (1).

518.
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Prospects for rubber cultivation and improvement in the Karnataka and Kanyakumari regions by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Rubber Board Bulletin 1990
Availability: Not available: RRII Library: Journals (1).

519.
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Provenance variation of wild Hevea germplasm in a dry sub humid region of India by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Indian Forester 2011
Availability: Not available: RRII Library: Journals (1).

520.
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Pythium acanthicum (Descriptions of fungi and bacteria) by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: IMI Descriptions of Fungia nd Bacteria 2005
Online resources:
Availability: Not available: RRII Library: Journals (1).