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Once-a-week conventional tapping system (1/2S d/6) with ethephon stimulation for young mature rubber

By: Contributor(s): Material type: TextTextPublication details: Proceedings of Seminar on Low Intensity Tapping Systems(LITS) 10 August 1998, Training Complex, Sungei Buloh. pp.17-41Subject(s): Summary: Low intensity d/6 tapping system (LIT d/6 system) with commercial ethephon stimulation also known as once-a-week tapping has been recommended for comercial adoption for modern clones. The recommendation was based on the strength of the LIT d/6 system which is characterised by reduced requirement for tappers, high tree productivity, high productivity of tappers, comparable land productivity and low cost of production compared to the conventional tapping systems with d/2 or d/3 tapping frequencies. Hence, the main emphasis of LIT d/6 system is to overcome problems associated with the use of the conventional tapping system primarily on the problem of shortage of tapers. This paper highlights the impact of LIT d/6 on tree productivity, tapper productivity, land productivity, tappers income and incidence of dryness. Other parameters such as bark consumption and percentage of bark shaved are discussed as appropriate. The paper also addresses the suitability of LIT d/6 system for adoption by the industry in relation to different categories of young mature rubber. R&D efforts are being geared to simplify the stimulation method, in-field collection and to overcome problem of wintering depression on yield. Other approaches to make LIT d/6 system more attractive for large-scale adoption arethe use of long flow technique and the adoption of this system in conjunction with high density plantings.
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Low intensity d/6 tapping system (LIT d/6 system) with commercial ethephon stimulation also known as once-a-week tapping has been recommended for comercial adoption for modern clones. The recommendation was based on the strength of the LIT d/6 system which is characterised by reduced requirement for tappers, high tree productivity, high productivity of tappers, comparable land productivity and low cost of production compared to the conventional tapping systems with d/2 or d/3 tapping frequencies. Hence, the main emphasis of LIT d/6 system is to overcome problems associated with the use of the conventional tapping system primarily on the problem of shortage of tapers. This paper highlights the impact of LIT d/6 on tree productivity, tapper productivity, land productivity, tappers income and incidence of dryness. Other parameters such as bark consumption and percentage of bark shaved are discussed as appropriate. The paper also addresses the suitability of LIT d/6 system for adoption by the industry in relation to different categories of young mature rubber. R&D efforts are being geared to simplify the stimulation method, in-field collection and to overcome problem of wintering depression on yield. Other approaches to make LIT d/6 system more attractive for large-scale adoption arethe use of long flow technique and the adoption of this system in conjunction with high density plantings.

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