Environmental factors influencing the growth and yield of rambutan grown in the wet/dry tropics of Northern Australia

Diczbalis Y. A., . and Eamus D., . and Menzel C. M., . (1996) Environmental factors influencing the growth and yield of rambutan grown in the wet/dry tropics of Northern Australia. [Proceedings Paper]

The rambutan Nephelium lappaceum is indigenous to Sumatra peninsular Malaysia and Sarawak. The native environment of the tree is characterised by high evenly distributed by annual rainfall high humidity low evaporative demand and average minimum temperatures 158 above 20C. The species has been introduced to the wet/dry tropics of northern Australia where environmental conditions include seasonal drought low night temperatures and high leaf evaporative demand. This paper documents research carried out in the Northern Territory over the last three years which focused on: tree phenology root distribution physiological responses to water deficit vegetative growth response to temperature the use of preflowering water deficit for the promotion of flowering tree water requirements and irrigation management. The results suggest that rambutan are shallow rooted and require regular irrigation to maintain photosynthesis at optimum rates. Glasshouse studies confirm the warm tropical adaption of the rambutan however gas exchange work indicates that the tree can maintain high rates of photosynthesis over a wide range of humidies.

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Abstract

The rambutan Nephelium lappaceum is indigenous to Sumatra peninsular Malaysia and Sarawak. The native environment of the tree is characterised by high evenly distributed by annual rainfall high humidity low evaporative demand and average minimum temperatures 158 above 20C. The species has been introduced to the wet/dry tropics of northern Australia where environmental conditions include seasonal drought low night temperatures and high leaf evaporative demand. This paper documents research carried out in the Northern Territory over the last three years which focused on: tree phenology root distribution physiological responses to water deficit vegetative growth response to temperature the use of preflowering water deficit for the promotion of flowering tree water requirements and irrigation management. The results suggest that rambutan are shallow rooted and require regular irrigation to maintain photosynthesis at optimum rates. Glasshouse studies confirm the warm tropical adaption of the rambutan however gas exchange work indicates that the tree can maintain high rates of photosynthesis over a wide range of humidies.

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Item Type:	Proceedings Paper
Additional Information:	Available at Perpustakaan Sultan Abdul Samad Universiti Putra Malaysia 43400 UPM Serdang Selangor Malaysia. mal SB 359 I61 1996 Vol. 2 Call Number
AGROVOC Term:	Environmental factors
AGROVOC Term:	Rambutans
AGROVOC Term:	Nephelium lappaceum
AGROVOC Term:	Rainfall
AGROVOC Term:	Humidity
AGROVOC Term:	Drought
AGROVOC Term:	Low temperature
AGROVOC Term:	Phenology
AGROVOC Term:	Rooting
AGROVOC Term:	Irrigation systems
Geographical Term:	MALAYSIA
Depositing User:	Ms. Suzila Mohamad Kasim
Last Modified:	24 Apr 2025 05:14
URI:	http://webagris.upm.edu.my/id/eprint/11954

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