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Khoo SK

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Add  High budding of PBIG seedlings
Authors: Yoon PK | Leong SK | Leong W | Phun HK | Chiah HS | Khoo SK
Date: 20050727 | 20051004 | | 1991 | | | | | | |
Subject: PRRIM
Type: Article
Identifier: vital1:35463
Description: Three small-scale trials were set up in 1978/80. High-budding affects the growth of the two-parttree with some seedling-scion combinations enhancing the growth of PBIG seedlings. More importantly, hig… More
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Add  Potential clones for the natural rubber industry
Authors: Ong SH | Khoo SK | Mohd Noor AG | Tan H
Date: 20050727 | 20051028 | | 1989 | | | | | | |
Subject: PRRIM
Type: Article
Identifier: vital1:35496
Description: This paper highlights potential clones bred and selected by the Rubber Research Institute of Malaysia as well as those introduced from other natural rubber producing countries via multilateral exchang… More
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Add  RRIM block planting trials - early results, potentials and future directions
Authors: Khoo SK | Yoon PK | Ong SH | Mohd Zain Abd Aziz
Date: 20050727 | 20051004 | | 1991 | | | | | | |
Subject: PRRIM
Type: Article
Identifier: vital1:35578
Description: This paper reports on the extent of RRIM block planting trials and available early results. A total of forty-one trials covering 748 ha. were established. The earlier six trials set up in the seventie… More
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Add  Performance of clones in commercial practice (1975)
Authors: Khoo SK
Date: 20050726 | 20050909 | | 1975 | | | | | | |
Subject: PRRIM
Type: Article
Identifier: vital1:35023
Description: The original objective of the Commercial Registration Unit was to provide a feed-back of information to the plant breeder regarding the performance of recommended clones under commercial estate condit… More
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Add  Progress Report on the 1974 multilateral exchange clone trials
Authors: Khoo SK | Ong SH | Sultan MO
Date: 20050601 | 20050601 | | | | | | | | |
Subject: PRRIM
Type: Article
Identifier: vital1:33836
Description: Clone RRIC 102 remained consistently the most vigorous. Its girth increments is in the “high” and “above average” classes. RRIC 100 has “above average” vigour in the second and third year. Its high gi… More
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Add  Fertiliser usage in Peninsular Malaysia
Authors: Khoo SK
Date: 20050530 | 20050530 | | 1979 | | | | | | |
Subject: PRRIM
Type: Article
Identifier: vital1:33210
Description: Soil fertility is a dominant factor in agriculture throughout the world. Any system of agriculture has to maintain the level of its soil fertility if the same plot of land is to be continuously cultiv… More
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Add  Planting materials used in estates from 1973 to 1975
Authors: Khoo SK
Date: 20050115 | 20050115 | | 1979 | | | | | | |
Subject: PRRIM
Type: Article
Identifier: vital1:28726
Description: Statistics on the area of newplanting and replanting by estates throughout Peninsular Malaysia each year is gathered by the Government Department of Statistics. The data also provides details of the a… More
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Add  Selection of promising clones through accelerated evaluation of Hevea
Authors: Ong SH | Tan H | Khoo SK | Sultan MO
Date: 20041201 | 20041201 | | 1985 | | | | | | |
Subject: PRRIM
Type: Article
Identifier: vital1:30142
Description: Sejumlah 9213 progeni anak benih dari dua puluh enam kacukan yang dihasilkan dalam Prog ram-program Pendebungaan Tangan 1966 hingga 1971 telah dinilai untuk penghasilan yang cepat dan sifat-sifat seku… More
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Add  Diffusion and impact of high yielding materials on rubber production in Malaysia.
Authors: Pee TY | Khoo SK
Date: 20030923 | 20030923 | | 1975 | | | | | | |
Subject: PRRIM
Type: Article
Identifier: vital1:25184
Description: The annual hectarage planted with four groups of materials - unselected seedlings, primary clones (PB 86 and Tjir 1), RRIM 500 series clones, and RRIM 600 series clones, were cumulated and graphed. Th… More
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Add  Potential of promotion plot clone trials in shortening clonal evaluation period in Hevea breeding
Authors: Tan H | Ong SH | Sultan MO | Khoo SK
Date: 20030923 | 20041231 | | 1981 | | | | | | |
Subject: PRRIM
Type: Article
Identifier: vital1:26447
Description: The conventional method of evaluating new clones over a period of thirty years as practised by the Rubber Research Institute of Malaysia is considered unsatisfactory. Consequently, a new approach aime… More
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Add  Profitability of rubberwood - status and availability
Authors: Khoo SK | Mohd. Ali Sujan | Ng Ai Peng
Date: 20030923 | 20030923 | | 1985 | | | | | | |
Subject: PRRIM
Type: Article
Identifier: vital1:26267
Description: The objective of this paper is to firstly look into the availability of rubberwood in the years ahead and gain an estimate of the volume that can be expected. It will then spell out the profitability … More
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Add  Progress of mother-tree selection in the Rubber Research Institute of Malaysia
Authors: Khoo SK | Tan H | Ho CY | Yoon PK
Date: 20030923 | 20070924 | | 1981 | | | | | | |
Subject: PRRIM
Type: Article
Identifier: vital1:26290
Description: This paper presents results from the second batch of nursery test-tapping of clones disbudded from elite mother-trees. A total of 450 clones were test-tapped and 89 of them yielded higher than PR 255.… More
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