Palm trees can be separated into few major types depending on their trunk, leaf structure, growth rate, size, and cold tolerance. A high-pressure injection technique was used at first but was found to be harmful to plant tissues inside the trees’ trunks. As presence of fungal hyphae almost exclusively on one side of the black line precludes the possibility of a dual infection involving another fungus and clearly indicates that. In some instances it appears that palm heart extraction is associated with felling a tree for some other purposes such as to obtain stem wood or starch; it is therefore sometimes a “salvage” product, to use the term introduced in chapter 3. Papers on rattan and in general. Were they eating the fruit or just sheltering beneath those broad cool leaves?
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Asian palm tree disease. Potassium deficiency symptoms on the oldest leaves could be confused for a leaf spot, as these symptoms include yellow to orange transluscent spots or black spots. This material may not be published, broadcast, rewritten or redistributed. Socio-economic and cultural issues. Food and non-food products are about equally represented in table 4-3 and appear to be solely for subsistence purposes. Not included in table 4-9 but worth mentioning because it is unusual is the apparent exploitation of a rattan in thailand for palm heart. Examples from the philippines include the following: antolin (1995) writes of rattan collecting as an important source of employment in the uplands of northeastern luzon; conelly (1985) describes how rattan and copal collecting represents a significant source of cash income for the tagbanua of palawan island; and siebert and belsky (1985) relate how a lowland village depends upon collecting rattan and harvesting timber for a key source of livelihood. A discussion of rattan utilization would be incomplete without mention of useful products other than canes.
Pest and diseases
New cuttings should be planted in soil rich in organic matter. The author is a biologist who worked in conservation, aquatic biology, and woodland management over many years.