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1.	Image from Google Jackets	Handbook of rubber culture and processing by Peries, O S Material type: Text; Format: print ; Literary form: Not fiction Publication details: Agalawatta RRISL 1970 Availability: Items available for loan: RRII Library (1)Call number: NR:63:678.02(035) RRC;3. Place hold Save to lists Add to cart (remove)
2.	Image from Google Jackets	Handbook of rubber culture and processing by Peries, O S Material type: Text; Format: print ; Literary form: Not fiction Publication details: Agalawatta RRISL 1970 Availability: Items available for loan: RRII Library (1)Call number: NR:63:678.02(035) RRC;3. Place hold Save to lists Add to cart (remove)
3.	Image from Google Jackets	Handbook of rubber culture and processing by Peries, O S Material type: Text; Format: print ; Literary form: Not fiction Publication details: Agalawatta RRISL 1970 Availability: Not available: RRII Library: Reference (1). Save to lists Add to cart (remove)
4.	Image from Google Jackets	A practical guide to rubber planting and processing by Liyanage, A de S Peries, O S Material type: Text; Format: print ; Literary form: Not fiction Publication details: Sri Lanka RRISL 1984 Availability: Not available: RRII Library: Checked out (1). Place hold Save to lists Add to cart (remove)
5.	Image from Google Jackets	Handbook of rubber culture and processing by Peries, O S Material type: Text; Format: print ; Literary form: Not fiction Publication details: Agalawatta RRISL 1970 Availability: Items available for loan: RRII Library (1)Call number: NR:63:678.02(035) RRC;3. Place hold Save to lists Add to cart (remove)
6.	Image from Google Jackets	The Increased use of SALB resistant material in Eastern rubber planting by Fernando DM Peries OS Material type: Text; Format: print ; Literary form: Not fiction Publication details: Not available Availability: Not available: RRII Library: Reprints (1). Save to lists Add to cart (remove)
7.	Image from Google Jackets	Rubber wood: A by-product of the natural rubber industry (Processing techniques and uses, Hevea) by Peries O S Material type: Text; Format: print ; Literary form: Not fiction Publication details: Bulletin of the Rubber Research Institute of Sri Lanka 1980 Availability: Not available: RRII Library: Bibliography (1). Save to lists Add to cart (remove)
8.	Image from Google Jackets	An integrated approach to control of white root disease in Sri Lanka by Liyanage A de S Amaratunga W Peries O S Senadeera E A T Warnapura S S Material type: Text; Format: print ; Literary form: Not fiction Publication details: Proceedings of the International Rubber Conference, Colombo, 1984, V1. Part 1; p19-46Proceedings of the International Rubber Conference, Colombo, 1984, V1. Part 2; p499-520 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)
9.	Image from Google Jackets	Assessment of the incidence of Oidium leaf fall and economics of its control in the smallholdings by Liyanage A de S Peries O S Sebastian R D Material type: Text; Format: print ; Literary form: Not fiction Publication details: Rubber Research Institute of Ceylon Quarterly Journal 1971 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)
10.	Image from Google Jackets	Biology of Oidium heveae, the powdery mildew fungus of Hevea brasiliensis by De S Liyanage A Dharmaratne A Fernando B Irugalbandara Z E Peries O S Wettasinghe P Wettasinghe P C Material type: Text; Format: print ; Literary form: Not fiction Publication details: Proceedings of the International Rubber Conference, Kuala Lumpur, Malaysia, V.3. 1985; p291-313 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)
11.	Image from Google Jackets	Can D/3 frequency tapping minimize problems related to tapper shortage by Nugawela A Peries M R C Wijesekera S Wilbert S Material type: Text; Format: print ; Literary form: Not fiction Publication details: Bulletin of the rubber Research Institute of Sri Lanka 1998 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)
12.	Image from Google Jackets	Comparative study of the nutrition of Phytophthora meadii and P. palmivora by Peries O S Dantanarayana D M Liyanage A De S Material type: Text; Format: print ; Literary form: Not fiction Publication details: Journal of the Rubber Research Institute of Sri Lanka 1979 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)
13.	Image from Google Jackets	Control of white root disease (Fomes lignosus) of Hevea brasiliensis by Peries O S Fernando T M Samaraweera S K Material type: Text; Format: print ; Literary form: Not fiction Publication details: Rubber Research Institute of Ceylon Quarterly Journal 1965 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)
14.	Image from Google Jackets	Control of white root disease in Sri Lanka by Liyanage G W Peries O S Material type: Text; Format: print ; Literary form: Not fiction Publication details: Rubber Research Institute of Sri Lanka Quarterly Journal 1973 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)
15.	Image from Google Jackets	Critical study of the use of weather data for the economic control of Hevea diseases by Peries O S Material type: Text; Format: print ; Literary form: Not fiction Publication details: Rubber Research Institute of Sri Lanka Quarterly Journal 1973 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)
16.	Image from Google Jackets	Developments to increase income from the rubber industry by maximizing production by Peries O S Material type: Text; Format: print ; Literary form: Not fiction Publication details: Rubber Research Institute of Sri Lanka Bulletin 1983 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)
17.	Image from Google Jackets	Diseases of economic importance of Hevea brasiliensis and their control by Peries O S Liyance de S Material type: Text; Format: print ; Literary form: Not fiction Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)
18.	Image from Google Jackets	Diseases of Hevea- Problems and progress by 2000 A D by Peries O S Material type: Text; Format: print ; Literary form: Not fiction Publication details: Rubber Board Bulletin 1975 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)
19.	Image from Google Jackets	Distribution of different sexual compatibility types of Phytophthora species affecting Hevea in Ceylon by Peries O S Dantanarayana D M Material type: Text; Format: print ; Literary form: Not fiction Publication details: Rubber Research Institute of Ceylon Quarterly Journal 1966 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)
20.	Image from Google Jackets	Economics of disease control in Hevea by Peries O S Material type: Text; Format: print ; Literary form: Not fiction Publication details: Rubber Research Institute of Ceylon Bulletin 1966 Availability: Not available: RRII Library: Journals (1). Save to lists Add to cart (remove)