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Sivakumaran, S. | -

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Add  A preliminary investigation into the relationship between latex invertase and latex vessel plugging in Hevea brasiliensis.
Authors: Yeang, H.Y. | Low, F.C. | Gomez, J.B. | Paranjothy, K. | Sivakumaran, S.
Date: 20030923 | 20050822 | | 1984 | | | | | | |
Subject: PRRIM | -
Type: Article
Identifier: vital1:24127
Description: Latex invertase activity was found to be negatively correlated with the inclination to latex vessel plugging. The relationship was discerned in individual trees of a high plugging clone, PR 107, in in… More
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Add  Continuous yield stimulation - plausible cause for yield decline.
Authors: Sivakumaran, S. | Pakianathan, S.W. | Abraham, P.D.
Date: 20030923 | 20050822 | | 1984 | | | | | | |
Subject: PRRIM | -
Type: Article
Identifier: vital1:23929
Description: The yields obtained from micro-X and low frequency conventional tapping systems after stimulation were generally comparable to that of unstimulated 1/2S d/2 while puncture-tapped treatments gave lower… More
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Add  Effects of 1-aminocyclopropane-1-carboxylic acid and aminoethoxyvinylglycine on ethylene formation and latex flow in Hevea brasiliensis.
Authors: Sivakumaran, S. | Yong, W.M.
Date: 20030923 | 20050822 | | 1985 | | | | | | |
Subject: PRRIM | -
Type: Article
Identifier: vital1:24256
Description: A marked increase in ethylene synthesis was obtained when Hevea bark tissues were treated with 1-aminocyclopropane-l-carboxylic acid (ACC), applied either to excised Hevea bark discs or to the tapping… More
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Add  Endogenous ethylene in Hevea bark tissues.
Authors: Sivakumaran, S. | Yeang, H.Y. | Yong, W.M.
Date: 20030923 | 20050822 | | 1984 | | | | | | |
Subject: PRRIM | -
Type: Article
Identifier: vital1:24609
Description: Bark discs excised from high virgin panels of Hevea trees were found to be the most suitable form of material for studies on endogenous ethylene. The results obtained using bark discs showed a low var… More
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Add  Ethylene formation in excised Hevea bark discs.
Authors: Paranjothy, K. | Sivakumaran, S. | Yong, W.M.
Date: 20030923 | 20050822 | | 1979 | | | | | | |
Subject: PRRIM | -
Type: Article
Identifier: vital1:24676
Description: Data obtained in this investigation suggest that there is no clear correlation between wound ethylene formation in excised bark discs and plugging index both within a clone and between three clones st… More
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Add  The effect of direction of tapping and position of cut on yield responses to stimulation.
Authors: Sivakumaran, S. | Ismail bin Hashim | Abraham, P.D.
Date: 20030923 | 20050822 | | 1985 | | | | | | |
Subject: PRRIM | -
Type: Article
Identifier: vital1:24389
Description: Tapping systems tapped upwards from the union with no restrictions in drainage area generally gave higher yields and better responses to stimulation than corresponding systems tapped in a downward dir… More
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