Strychnos 1990 - 2004 - Crops for the Future
Strychnos 1990 - 2004 - Crops for the Future
Strychnos 1990 - 2004 - Crops for the Future
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Author<br />
Title<br />
Year<br />
Source title<br />
Reference<br />
Ahmad, S. K. and J. S. Prasad<br />
Efficacy of foliar extracts against preharvest and postharvest diseases of sponge-g<br />
1995<br />
Letters in Applied Microbiology<br />
21(6): 373-375<br />
Abstract<br />
The inhibitory potential of aqueous foliar extracts of Adhatoda vasica, Azadirachta indica,<br />
Catharan<strong>the</strong>s roseus, Datura fistulosa, Lantana camara, Muraya exotica, Ocimum sanctum, Ricinus<br />
communis and <strong>Strychnos</strong> nux-vomica were evaluated against soft rot diseases of sponge-gourd fruits<br />
caused by Helminthosporium spiciferum and Fusarium scirpi. Conidial germination of F. scirpi and<br />
H. spiciferum were reduced to about 75% when <strong>the</strong>ir spores were treated with A. indica, C. roseus,<br />
D. fistulosa, L. camara, M. exotica and O. sanctum. Considerable reductions (50%) in mycelial dry<br />
weights and colony diameters were recorded in liquid media containing (20%) aqueous extracts of<br />
C, roseus, D. fistulosa and M, exotica. O<strong>the</strong>r extracts reduced <strong>the</strong> mycelial growth but to a lesser<br />
extent. Post-infection treatment of sponge-gourd fruits with <strong>the</strong> extracts of A. indica, L. camara, M.<br />
exotica, O. sanctum, D. fistulosa and C. roseus almost fully inhibited <strong>the</strong> spread of disease.<br />
Treatment of fruits with A. indica and C. roseus be<strong>for</strong>e fungal infection reduced <strong>the</strong> spread of<br />
disease caused by both <strong>the</strong> pathogens, whereas M. exotica, O. sanctum and D. fistulosa reduced <strong>the</strong><br />
spread of soft-rot caused by F. scirpi but not by H, spiciferum.<br />
Author<br />
Title<br />
Year<br />
Source title<br />
Reference<br />
Amat, M., D. Coll and J. Bosch<br />
Enantiopure intermediates <strong>for</strong> <strong>the</strong> syn<strong>the</strong>sis of <strong>Strychnos</strong> alkaloids<br />
1995<br />
Tetrahedron<br />
51(39): 10759-10770<br />
Abstract<br />
The addition of 2-(lithiomethyl)indole 2 to <strong>the</strong> enantiopure oxazolinylpyridine 18 followed by acidic<br />
treatment af<strong>for</strong>ded a mixture of tetracyclic compounds 21a and 21b in a 3:2 ratio. The major epimer<br />
21a was converted to tetracycle 25a, a tetracyclic ABDE substructure of <strong>Strychnos</strong> alkaloids.
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