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Hevea brasiliensis


Hevea brasiliensis
Photo Information
Copyright: Foozi Saad (foozi) Gold Star Critiquer/Gold Note Writer [C: 154 W: 0 N: 158] (737)
Genre: Places
Medium: Color
Date Taken: 2008-03-13
Categories: Nature
Camera: Nikon D80, Nikkor AF 70- 300mm
Exposure: f/5.6, 1/125 seconds
Photo Version: Original Version
Date Submitted: 2008-04-28 4:17
Viewed: 347
Points: 8
[Note Guidelines] Photographer's Note
Rubber Treesw
The major commercial source of natural rubber latex is the Para rubber tree, Hevea brasiliensis (Euphorbiaceae). This is largely because it responds to wounding by producing more latex. Henry Wickham gathered thousands of seeds from Brazil in 1876 and they were germinated in Kew Gardens, England. The seedlings were sent to Colombo, Indonesia, Singapore and British Malaya. Malaya was later to become the biggest producer of rubber. Liberia and Nigeria are examples of African rubber-producing countries.

Other plants containing latex include figs (Ficus elastica), Castilla, euphorbias, and the common dandelion. Although these have not been major sources of rubber, Germany attempted to use such sources during World War II when it was cut off from rubber supplies. These attempts were later supplanted by the development of synthetic rubber.

Synthetic rubbers are made by the polymerization of a single monomer or a mixture of monomers to produce polymers. These form part of a broad range of products extensively studied by polymer science and rubber technology. Examples are SBR, or styrene-butadiene rubber, BR or butadiene rubber, CR or chloroprene rubber and EPDM (ethylene-propylene-diene rubber)
jusninasirun, raymutlu has marked this note useful
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Critiques [Translate]

Assalamualaikum Foozi. Very nice capture of our systematic forest and we do green the earth. Tall trees with green undergrowth make very good perspective. I would like to see a deeper depth here closing down the aperture a little more and the chosen FL is just perfect for this composition. Useful note and thanks for sharing. Best regards. Jusni

Hi Foozi,
İntresting composition,very good idea.amazing light and shadows with very good POV.excellent texture and nice framing.most beautiful tones of green.well done.TFS.
Greetings.

Cevdet

Hello Foozi! Amazing trees. Wonderful lightness. Good sharpness. Interesting colors. Very good capture. Well done!

Hi Foozi,

I like the note and lighting. Well done.

Cheers, Ray

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