نتایج جستجو برای: Utethesia pulchella
تعداد نتایج: 237 فیلتر نتایج به سال:
دفاع سلولی حشرات یکی از راه کارهای مهم آن ها در برابر عوامل بیگانه مانند اسپور قارچ ها، باکتری ها، نماتدها و تخم پارازیتوئیدها می باشد. با شناخت سیستم ایمنی حشره بهتر می توان از روش های کنترل میکروبی علیه آن ها استفاده کرد. در این تحقیق، واکنش ایمنی سلولی لاروهای سن چهارم پروانه utethesia pulchella l. در برابر دو جدایه از قارچ beauveria bassiana (bals.-criy) شامل fashand و 566و یک جدایه قارچ(h...
The extent of hybridisation and gene flow between the three M onocalyptus species, Eucalyptus pulchella, E coccifera (series Piperitae) and E delegatensis (series Oh/iquae) at Snug Plains (600 m) in southeastern Tasmania was examined. The flowering time of E pulchella was two months later than usual for this normally low-altitude species. It consequently overlapped the flowering period of both ...
A molecular phylogenetic analysis of the Hyla pulchella species group was performed to test its monophyly, explore the interrelationships of its species, and evaluate the validity of the taxa that were considered subspecies of H. pulchella. Approximately 2.8 kb from the mitochondrial genes 12s, tRNA valine, 16s, and Cytochrome b were sequenced. The analysis included 50 terminals representing 10...
دفاع سلولی حشرات یکی از راهکارهای مهم آنها در برابر عوامل بیگانه مانند اسپور قارچها، باکتریها، نماتدها و تخم پارازیتوئیدها میباشد. با شناخت سیستم ایمنی حشره بهتر میتوان از روشهای کنترل میکروبی علیه آنها استفاده کرد. در این تحقیق، واکنش ایمنی سلولی لاروهای سن چهارم پروانه Utethesia pulchella L. در برابر دو جدایه از قارچ Beauveria bassiana (Bals.-Criy) شامل Fashand و 566و یک جدایه قارچ(...
Of the 56 species and 43 genera of Asteraceae tested, 9 were highly resistant or immune to Meloidogyne incognita and did not form root galls. Twenty-six species and six cultivars had 25% or fewer roots galled and were considered moderately resistant to M. incognita. Pre-planting Cosmos bipinnatus (F190), Gaillardia pulchella, Tagetes erecta, Tithonia diversifolia, or Zinnia elegans (F645) reduc...
The germination response of Ocotea pulchella (Nees) Mez seeds to light, temperature, water level and pulp presence is introduced. The laboratory assays were carried out in germination chambers and thermal-gradient apparatus, whereas the field assays were performed in environments with distinct light, temperature and soil moisture conditions within a permanent parcel of Restinga forest of the Pa...
Four Mexican Nymphaea species, N. ampla, N. pulchella, N. gracilis and N. elegans belonging to subgenera Brachyceras were analyzed. In this work two 5-glycosyl isoflavones, 7,3',4'-trihydroxy-5-O-beta-D-(2''-acetyl)-xylopyranosylisoflavone (1) and 7,3',4'-trihydroxy-5-O-alpha-L-rhamnopyranosylisoflavone (2), were isolated from N. ampla and N. pulchella, respectively, together with other known 3...
This paper provides the first evidence of A2 type 1 and type 2 isolates of Phytophthora cinnamomi producing selfed oospores in planta in an Australian soil and in a potting mix. Oospores were observed in infected lupin (Lupinus angustifolius) roots incubated for 7d either in the substrate under potted Acacia pulchella plants, or in soils collected from under and near varieties of A. pulchella i...
Competition between corals and macroalgae is often assumed to occur on reefs, especially those that have undergone shifts from coral to algal dominance; however, data examining these competitive interactions, especially during the early life-history stages of corals, are scarce. We conducted a series of field and outdoor seawater-table experiments to test the hypothesis that allelopathy (chemic...
This study aimed to investigate the cardiovascular effects elicited by Dictyota pulchella, a brown alga, using in vivo and in vitro approaches. In normotensive conscious rats, CH(2)Cl(2)/MeOH Extract (CME, 5, 10, 20 and 40 mg/kg) from Dictyota pulchella produced dose-dependent hypotension (-4 ± 1; -8 ± 2; -53 ± 8 and -63 ± 3 mmHg) and bradycardia (-8 ± 6; -17 ± 11; -257 ± 36 and -285 ± 27 b.p.m...
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