Citation
Hoong Hak Wan, . and Mohd Basri Wahid, . and Simon Siburat, . and Teh Chong Lay, . (1999) Effects of weevil pollination on oil extraction rate OER. [Proceedings Paper]
Abstract
The low kernel extraction rate KER between May to September has been attributed to poor weevil pollination during the months of heavy rainfall occuring six months earlier. The weevil has also been implicated to account for the declining trend in oil extraction rate OER. In view of this development a detailed study on weevil populations has been initiated in nine plantations in Sabah commencing from about the middle of 1996. Results collected to date suggest that there was adequate pollinator force in all nine locations even during the wettest months. The levels of pollination during those critical months were also adequate. The current result also suggest that rainfall was not responsible for poor fruit set. The negative correlation between rainfall and KER may be associated with poor fruit collection or the presence of greater numbers of nematodes during the wet months.
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Abstract
The low kernel extraction rate KER between May to September has been attributed to poor weevil pollination during the months of heavy rainfall occuring six months earlier. The weevil has also been implicated to account for the declining trend in oil extraction rate OER. In view of this development a detailed study on weevil populations has been initiated in nine plantations in Sabah commencing from about the middle of 1996. Results collected to date suggest that there was adequate pollinator force in all nine locations even during the wettest months. The levels of pollination during those critical months were also adequate. The current result also suggest that rainfall was not responsible for poor fruit set. The negative correlation between rainfall and KER may be associated with poor fruit collection or the presence of greater numbers of nematodes during the wet months.
Additional Metadata
| Item Type: | Proceedings Paper |
|---|---|
| Additional Information: | 29 ill. 2 tables. |
| AGROVOC Term: | CURCULIONIDAE |
| AGROVOC Term: | OIL PALMS |
| AGROVOC Term: | OIL CROPS |
| AGROVOC Term: | POLLINATION |
| AGROVOC Term: | POLLINATORS |
| AGROVOC Term: | MALAYSIA |
| Geographical Term: | MALAYSIA |
| Depositing User: | Ms. Suzila Mohamad Kasim |
| Last Modified: | 24 Apr 2025 05:13 |
| URI: | http://webagris.upm.edu.my/id/eprint/10965 |
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