Welcome to Rubber Science

Rubber Research Institute of India ( RRII ) under Rubber Board, Ministry of Commerce & Industry, Government of India, Kottayam, Kerala, India has been publishing a peer reviewed scientific journal named Indian Journal of Natural Rubber Research since 1988. This was renamed as Natural Rubber Research in 2004 and subsequently as Rubber Science in 2012, reflecting its widening scope and inclusive nature in tune with the changing trends in rubber research in India and outside. Read more...


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Latest Issue
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Vol.30 No.3, December-2017

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Articles on biology, cultivation, processing and technology of latex and dry rubber and socio-economic aspects of natural rubber are published in Rubber Science. Articles on all sources of natural rubber like Hevea, Guayule, Russian dandelion etc.

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Highlights of the research findings in this issue are:
  • The incremental economic worth of RRII 105, the first high yielding Indian hybrid clone over the Malaysian hybrid clone RRIM 600 between 1991 and 2017 was large as USD 6.64 billion. Such a large economic impact from one single innovation probably has no parallel in other crops in the country.
  • On 30th November 2017, the tropical cyclone Ockhi destroyed almost five lakh young and mature rubber trees in Kanyakumari district and a few thousand trees close to the Kerala-Tamil Nadu border in Kollam district, more than 100 Km away. This is the first time in the history of rubber cultivation in India a natural calamity of this dimension has occurred. Risks of occurrence of severe tropical cyclones along the Coromandel cost and North East region of India where rubber cultivation is expanding is discussed in the context of global warming.
  • Water deficit stress led to DNA fragmentation which was aggravated by high light. Drought tolerant clone had less DNA damage than susceptible clone during stress.
  • Quality perceptions of farmers on cup coagulam production and the practices followed in Thailand are discussed. Need to create more awareness among the farmers for improving the quality is highlighted.
  • A comparison of performances of seedlings from various sources in three different agro-climatic zones of India proved that under rainfed conditions, cultivation of rubber in the ideal climate will help realize the best growth and yield irrespective of the place of origin of the seeds. Seeds sourced from ideal climatic zones fared better than locally recruited seeds in each location.
  • Mapped about 16,872 ha of NR area and 24,783 ha of wastelands suitable for NR cultivation in Assam from high resolution satellite-based remote sensing data.
  • Evaluation of twenty-two potential IRRDB Hevea wild accessions (1981) along with three modern clones (RRII 105, RRIM 600 and RRII 208) in the traditional rubber growing region recorded high genetic variability. These accessions will serve to broaden the genetic base of present-day cultivated Hevea by introgression into the elite cultivars.
  • An efficient phosphofungus (Pencillium spp.) was isolated from rubber plantations and the procedure followed is described in detail.
  • A study of important yield components like volume of latex and dry rubber content undertaken in 21 clones including the latest RRII 400 series clones under tapping in the virgin and renewed panels showed that the four released RRII 400 series clones maintained superiority in both panels, indicating their potential for good long term performance.
  • A novel method of mechanical devulcanisation of NR vulcanisates, assisted by a stable free radical, with significantly improved devulcanisation efficiency is presented. The effect of ageing of the original sample on the efficiency of devulcanisation and re-vulcanisate properties is also discussed.