Discover Rubber Plants

A rubber plant survey of western North America

India rubber, gutta-percha, and balata

Rubber cultivation for Porto Rico

Plants collected and tested by Thomas A. Edison as possible sources of domestic rubber

SHADA

The rubber content of two species of Cryptostegia and of an interspecific hybrid in Florida

Ensuring sustainability and competitiveness of the NR industry

Chemistry of rubber growing soils of Karnataka

The desert milkweed (Asclepias subulata) as a possible source of rubber

The diseases and pests of the rubber tree

A report on the sample survey of the rubber small holdings of Sri Lanka

Potential new crop

Report on Hevea brasiliensis in the Malaya Peninsula

Report for years 1949-51 of the Botanical Division of the Rubber Research Institute of Malaya

Research on guayule (Parthenium argentatum), 1942-1959

Gums, resins and latexes of plant origin

The crying trees =

Extractable minerals in nine Malaysian soils and their effect on the mineral contents of four Hevea clones

Rubber

Rubber content and habits of a second desert milkweed (Asclepias erosa) of southern California and Arizona

[Frank S. Betz bulletins, price lists and materials]

Rubber and resin content of native and introduced plants of Canada

Rubber content of miscellaneous plants

Experiments in tapping Ceara rubber trees