منابع مشابه
A new pyrroloquinazoline alkaloid from Linaria vulgaris.
A new alkaloid, 1,2,3,9-tetrahydropyrrolo(2,1-b)quinazolin-1-carboxylic acid (1), together with eight known compounds, 7-hydroxy vasicine (2), benzyl alcohol beta-D-(2'-O-beta-xylopyranosyl)glucopyranoside (3), benzyl alcohol O-beta-D-glucopyranoside (4), benzyl alcohol O-beta-D-primveroside (5), 3,5-dimethyl-4-hydroxy benzaldehyde (6), gluco-syringic acid (7), syringin (8), and liriodendrin (9...
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To date, there have been no reports of Dalmatian toadflax serving as a host for cucumber mosaic virus (CMV). Infestations of Dalmatian toadflax may serve as a reservoir of CMV, thereby facilitating aphid transmission of CMV to both agricultural crops and native plants. The goal of this study was to determine whether Dalmatian toadflax is a host for CMV. Dalmatian toadflax seedlings were randoml...
متن کاملRepellent from traditional Chinese medicine, Periploca sepium Bunge.
By using a new bioassay-guided method, 2-hydroxy-4-methoxybenzaldehyde isolated from the root bark of Periploca sepium, a traditional Chinese medicine, showed repellent activity against the olive weevil (Dyscerus perforatus) at 62.5, 125, 250 and 500 microg/disc, respectively. In addition, it also exhibited antinematodal activity against Bursaphelenchus xylophilus at a minimum effective dose of...
متن کاملگزارش دو گونه جدید ازجنس Linaria ازایران
گونه‌های Linaria leptoceras و Linaria bamianica برای اولین بار از ایران گزارش می‌گردند. این گونه‌ها از خراسان جمع‌آوری شده‌اند. ویژگیها، محل دقیق جمع‌آوری، رویشگاه، پراکنش جغرافیایی و آخرین وضعیت نامگذاری گونه‌ها توضیح داده می‌شود.
متن کاملEffects of Periplocoside P from Periploca sepium on the Midgut Transmembrane Potential of Mythimna separata Larvae
Periplocoside P (PSP) isolated from the root bark of Periploca sepium contains a pregnane glycoside skeleton and possesses high insecticidal properties. Preliminary studies indicated that PSP disrupts epithelial functions in the midgut of lepidopteran larvae. In the present study, we examined the effects of PSP on the apical and basolateral membrane voltages, Va and Vbl, respectively, of cells ...
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ژورنال
عنوان ژورنال: Annals and Magazine of Natural History
سال: 1855
ISSN: 0374-5481
DOI: 10.1080/037454809495548