Table 1
Climatic and geographical information of sampling area
| Locations | Lowest temperature (°C) | Highest temperature (°C) | Above sea level (m) | Humidity (%) | Light intensity (μmol/m2/s) | Average rainfall (mm) |
|---|---|---|---|---|---|---|
| Penang | 23 | 32 | 3 | 76 | 760 | 2670 |
| Selangor | 23 | 33 | 56 | 80 | 940 | 2600 |
| Kelantan | 21 | 32 | 42 | 81 | 1050 | 2500 |