Normal view MARC view ISBD view

The response of clone PB 86 to low frequency tapping under smallholder management conditions (Record no. 70962)

MARC details
000 -LEADER
fixed length control field	01796nam a2200169Ia 4500
100 ## - MAIN ENTRY--AUTHOR NAME
Personal name	Nugawela A
245 #4 - TITLE STATEMENT
Title	The response of clone PB 86 to low frequency tapping under smallholder management conditions
260 ## - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT)
Name of publisher	Papers presented at IRRDB seminar 5-8 November 1996 Sri Lanka p19
520 ## - SUMMARY, ETC.
Summary, etc	In Sri Lanka about 60;of the mature rubber consists of clone PB 86. The Rubber Research Institute of Sri Lanka recommends 1/2S d/2 tapping for this clone from the inception of tapping until intensification. However, this commonly adopted tapping system has the disadvantages of being a). tapper demanding and having high b). annual bark consumption rates c). tapping costs. With the objective of finding an alternative tapping system, 1/2S d/3 system to gather with stimulation was tested on clone PB 86. Different stimulant concentration and frequencies of stimulation applications were also tested to select the most economical method. Data gathered reveals that 4 rounds of stimulation per year with 2.5;Ethrel to give the most economical yields from 1/2S d/3 tapping system during the first year. 1/2S d/3 with stimulation {2.5;;ET, Ba 1.6 (2.5) 4/y} gave yields comparable to conventional 1/2S d/2 system. As comparable yields are obtained with a lesser number of tappings, the tapping costs and bark consumption rates are reduced. The incidence of TPD is comparable in both 1/2S d/2 and 1/2S d/3 with stimulation systems. Therefore, it could be concluded that 1/2S d/3 with stimulation tapping system may be adopted to over come the deficiencies of conventional 1/2S d/2 system.
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical Term	Sri Lanka
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical Term	Tapping system
700 ## - ADDED ENTRY--PERSONAL NAME
Personal name	Amaratunga K A G B
700 ## - ADDED ENTRY--PERSONAL NAME
Personal name	Karunasena R P
700 ## - ADDED ENTRY--PERSONAL NAME
Personal name	Wilbert
942 ## - ADDED ENTRY ELEMENTS (KOHA)
Koha item type	Journals
700 ## - ADDED ENTRY--PERSONAL NAME
--

Holdings
Withdrawn status	Lost status	Damaged status	Not for loan	Home library	Current library	Shelving location	Date acquired	Koha item type
			Journals	RRII Library	RRII Library	Physiology	17/12/2021	Journals