نتایج جستجو برای: sisymbrium
تعداد نتایج: 94 فیلتر نتایج به سال:
Industrial activities are associated with various heavy metals (HMs) being emitted into the environment, which may pose a threat to humans and animals. The rapid increase in an industrial activity major cities Saudi Arabia (SA) has raised concerns regarding accumulation of HMs environment. aim this study is assess soil native plants We collected 36 surface samples 12 plant species from sites ci...
The Romanian hamster Mesocricetus newtoni is endemic to South-Eastern Romania (Dobruja region) and North-Eastern Bulgaria, prefers steppic, arid, uncultivated habitats, but also found in alfalfa fields, less often corn cultures field-protecting vegetation belts. Previous studies provide only limited data regarding the diet of this cryptic species. one family group (one female four pups) was mon...
Abstract Recent studies have shown that green synthesis of silver nanoparticles (AgNPs) and their application in the control phytopathogenic fungi is a burgeoning field. Sisymbrium irio (Si) (London rocket) well-known weed grows abundantly Saudi Arabia from February to May. The present study concerned with rapid aqueous seed extract Si) presence sunlight. biosynthesized Si-AgNPs were characteri...
Polarized cell elongation is triggered by small molecule cues during development of diverse organisms. During plant reproduction, pollen interactions with the stigma result in the polar outgrowth of a pollen tube, which delivers sperm cells to the female gametophyte to effect double fertilization. In many plants, pistils stimulate pollen germination. However, in Arabidopsis, the effect of pisti...
Red light (R) has a dual effect on the seed germination of the two related species Arabidopsis thaliana and Sisymbrium officinale. The two species provide different means to separate the light-effects. In S. officinale, stimulation of germination by R depends on the stimultaneous presence of nitrate (light-effect I). The effect of both factors is completely blocked by tetcyclacis, an inhibitor ...
BACKGROUND AND AIMS Karrikinolide (KAR(1)) is a smoke-derived chemical that can trigger seeds to germinate. A potential application for KAR(1) is for synchronizing the germination of weed seeds, thereby enhancing the efficiency of weed control efforts. Yet not all species germinate readily with KAR(1), and it is not known whether seemingly non-responsive species can be induced to respond. Here ...
After-ripening (AR) in Sisymbrium officinale seeds altered SoACS7, SoACO2, SoGA20ox2, SoGA3ox2, and SoGA2ox6 gene expression. Except for SoGA20ox2 expression, which sharply diminished, the expression of the other genes rose during development, particularly that of SoACS7. In contrast, only the SoACO2 and SoGA2ox6 transcripts increased with seed desiccation; the others decreased. AR increased th...
به منظور بررسی تأثیر عوامل مؤثر بر جوانهزنی بذر خاکشیر تلخ، آزمایشی در سال 1390 در آزمایشگاه و گلخانۀ دانشگاه پیام نور مشهد، استان خراسان رضوی انجام گرفت. در این آزمایش، اثر غلظت های مختلف جیبرلیک اسید، سیتوکینین، طول مدت پیش سرمادهی مرطوب و خشک، آب اکسیژنه، اتانول، تنش اسمزی، تنش شوری و عمق دفن بذر بر سبز شدن و استقرار گیاهچه بررسی شد. افزایش غلظت جیبرلیک اسید ازppm 50 به ppm 100 سبب افزایش...
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