Abdelsalam, Nader R. published the artcileMorphological, biochemical, molecular, and oil toxicity properties of Taxodium trees from different locations, Quality Control of 124-76-5, the main research area is Taxodium Stophilus essential oil toxicity insecticide.
Taxodium is a deciduous conifer belong to family Cupressaceae, commonly known as cypresses. In the present study, two species of Taxodium trees from four locations in Egypt were investigated. Bald cypress and pond cypress as plant genetic resources were surveyed and tested for horticultural and morphol. traits using biochem. and mol. genetic techniques. Leaf essential oils (EOs) were analyzed by gas chromatog. coupled with mass spectrometry (GC/MS), subjected to bioassay for insecticidal activity against the rice weevil (Sitophilus oryzae L.) and the red flour beetle (Tribolium castaneum (Herbst)), and compared with three monoterpenes (D-limonene, camphor, and carvone). T. distichum var. distichum (bald cypress) growing in the drylands in the Alexandria, El-Beheira, Giza 1, and Qalyubia governorates had lower root hydrogen peroxide (H2O2), proline content, and leaf peroxidase activity than T. distichum var. imbricarium (pond cypress, Giza 2), growing in swamplands of the Giza governorate. Forty random amplified polymorphic DNA (RAPD-DNA) primers and 20 simple sequence repeats (SSRs) indicated 57.41% and 64.50% polymorphism, resp., between the Taxodium species. The main constituents of leaf EOs from trees growing in Alexandria were germacrene D (14.71%), borneol acetate (6.81%), ledene oxide-(II) (6.13%), and trans(β)-caryophyllene (6.13%); thujopsene (18.27%), 3-carene (14.49%), and cedrol (8.02%) were found in trees from Qalyubia; thujopsene (19.93%), α-caryophyllene oxide (17.32%), and cedrol (10.87%) from trees in Giza 1, α-pinene (63.80%) and thujopsene (10.15%) from trees in Giza 2, and El-Beheira α-pinene (26.66%), thujopsene (22.42%), and cedrol (11.30%) in trees from El-Beheira. S. oryzae was more susceptible than T. castaneum to the EOs from leaves of Taxodium trees from the four localities. Taxodium oil from El-Beheira followed by carvone and EOs from trees grown in Alexandria showed the lowest LC50 against S. oryzae with values of < 50, 28.52, and > 50μL/L, resp. Carvone, Taxodium EOs from El-Beheira and Qalyubia exhibited the lowest LC50 against T. castaneum with values of 53.37, 66.40, and 72.54μL/L, resp.
Industrial Crops and Products published new progress about Essential oils Role: BSU (Biological Study, Unclassified), BIOL (Biological Study). 124-76-5 belongs to class alcohols-buliding-blocks, name is rel-(1R,2R,4R)-1,7,7-Trimethylbicyclo[2.2.1]heptan-2-ol, and the molecular formula is C10H18O, Quality Control of 124-76-5.
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