Citation
Lubigan R.T., . and Moody K., . Competition between transplanted rice and Ischaemum rugosum. pp. 147-153. ISSN 0127-6883
Abstract
Field trials were conducted at the experimental farm of the International Rice Research Institute (IRRI) during the dry and wet seasons of 1985 to determine the competitive ability of Ischaemum rugosum Salisb. against transplanted rice (Oryza sativa L.). Competition between rice and I. rugosum was more intense during the wet season than the dry. A density of five I. rugosum plants/m2 reduced rice yield significantly during the wet season. In the dry season 20 I. rugosum plants/m2 were required to cause significant yeild reductions. In both seasons the number of tillers and the dry matter production of rice were reduced by competition with higher densities of I. rugosum. Rice height was not affected by competition but I. rugosum height increased indicating that the weed could compete better for light.
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Abstract
Field trials were conducted at the experimental farm of the International Rice Research Institute (IRRI) during the dry and wet seasons of 1985 to determine the competitive ability of Ischaemum rugosum Salisb. against transplanted rice (Oryza sativa L.). Competition between rice and I. rugosum was more intense during the wet season than the dry. A density of five I. rugosum plants/m2 reduced rice yield significantly during the wet season. In the dry season 20 I. rugosum plants/m2 were required to cause significant yeild reductions. In both seasons the number of tillers and the dry matter production of rice were reduced by competition with higher densities of I. rugosum. Rice height was not affected by competition but I. rugosum height increased indicating that the weed could compete better for light.
Additional Metadata
| Item Type: | Article |
|---|---|
| Additional Information: | 2 ill.; 5 tables; 11 ref. Summary (En) |
| AGROVOC Term: | ORYZA SATIVA |
| AGROVOC Term: | ISCHAEMUM |
| AGROVOC Term: | FILIPINAS/ COMPETENCIA BIOLOGICA |
| AGROVOC Term: | TRASPLANTE |
| AGROVOC Term: | PERDIDAS |
| Depositing User: | Ms. Norfaezah Khomsan |
| Last Modified: | 24 Apr 2025 05:55 |
| URI: | http://webagris.upm.edu.my/id/eprint/20084 |
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