Tropical Timber Species as Sources of Botanical Insecticides (Record no. 51154)

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control field 20250625160202.0
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Transcribing agency CICY
090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN)
Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-16989
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245 10 - TITLE STATEMENT
Title Tropical Timber Species as Sources of Botanical Insecticides
490 0# - SERIES STATEMENT
Volume/sequential designation ACS Symposium Series, 658, p.27-37, 1997
520 3# - SUMMARY, ETC.
Summary, etc. Screening of wood extractives from tropical timber species and other trees against pestiferous lepidopterans such as the tobacco cutworm, Spodoptera litura and the variegated cutworm, Peridroma saucia, indicates the presence of insecticidal and growth inhibitory factors in certain genera. The mahogany family (Meliaceae)includes several important timber species in the genera Swietenia, Khaya, Cedrela and Entandophramgma, but also includes the Indian neem tree, Azadirachta indica, already well-known as a source of potent botanical insecticides. Strong bioactivity against insects has been observed in extracts from species of Aglaia, Trichilia and Chisocheton. In most cases, limonoid triterpenes, characteristic secondary metabolites of the Meliaceae, are responsible for bioactivity, but in the case of Aglaia, the insecticidal principles are modified benzofurans. Extractives from several genera of the African walnut family (Olacaceae)have potent bioactivity as larval growth inhibitors, but this family has had sparse chemical characterization to date. Extractives from the Dipterocarpaceae, the most important family of timber species in tropical Asia, were essentially inactive in our screening program. However, bark, woodwaste and sawdust from certain commercially harvested timber species could be exploited for their biologically-active constituents
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element BOTANICAL INSECTICIDES
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Isman, M.B.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Gunning, P.J.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Spollen, K.M.
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