23 - Curriculum Development Centre, Kalamassery

SUBJECT NAME: NATURAL RUBBER PRODUCTIONSUBJECT CODE : PL 302PERIODS/WEEK : 5PERIODS/SEMESTER : 80TIME SCHEDULEUNIT TOPIC PERIODSI 1.1 History, sources &, importance of Natural Rubber (NR) 10Test – I 2II 2.1 Preservation and Concentration of Latex 18Test – II 2III 3.1 Processing of NR into dry marketable forms 18Test – III 2IV 4.1 Speciality Rubbers 14Test – IV 2V5.1 Reclaim Rubber5.2 Effluent Treatment & Pollution control 10Test – V 2------Total 80===OBJECTIVESUNIT – I1.1.0 Understand the importance of NR and the process of collecting NR latex1.1.1 State the importance of NR as a raw material1.1.2 List out the major sources of NR – Botanical name of trees,Heveabrasiliensis,ficuselastica etc1.1.3 Collect the statistics regarding the annual production and consumption of NR in Indiaand world for the last few years1.1.4 State the present position of India among other NR producing countries1.1.5 Discuss the various methods of propagating Heavea Brasiliensis tree1.1.6 Discuss the different clones1.1.7 Define tapping1.1.8 Discuss the standard of tappability for seedling and budded trees1.1.9 Name the different tapping knives in use1.1.10 State the meaning of the terms – taping task, tapping rest1.1.11 List the different tapping systems in use and their intensity1.1.12 Discuss ladder, slaughter and puncture tapping1.1.13 Specify the purpose of intensive tapping1.1.14 List the factors affecting tapping efficiency1.1.15 Explain the purpose of rain guarding1.1.16 Explain the nature, action and method of application of yield stimulants1.1.17 Discuss the future prospects of replacing NR by appropriate synthetic rubbers1.1.18 Discuss the uniqueness of NR1.1.19 Discuss the possibilities of blending NR with other rubbers1.1.20 State the applications of NR1.1.21 Discuss the consumption possibilities of byproducts from NR plantation industry likebio gas, honey, pine apple cultivation etc.65