نتایج جستجو برای: rhus coriaria pigment photosynthesis

تعداد نتایج: 44399  

سماق متعلق به تیره پسته ((Anacardiaceae و گونه خودروی جنس Rhus در ایران است که جوانه‌زنی بذر آن بسیار کم بوده و در طبیعت به‌صورت پاجوش تکثیر می‎گردد. در این تحقیق بهترین محیط ‌کشت ریشه‎زایی و باززایی ریزنمونه‎های جوانه در گیاه سماق (Rhus coriaria L.) در شرایط این‎ویترو  مورد بررسی قرار گرفت. القاء کالوس با استفاده از محیط‌ کشت MS حاوی ‎هورمون‎های IAA ,BA ,BAP ,TDZ و IBA انجام شد. براساس نتایج ت...

Journal: :Vegetation History and Archaeobotany 2023

Abstract Drawing on archaeobotanical evidence from the central regions of Central Asia, we explore crop diffusion during first millennium ce . We present a comprehensive summary data retrieved this region dating to period in order better understand cultural drivers pushing agricultural intensification and diversification. use these evaluate applicability Watson’s concept Medieval Green Revoluti...

Urease enzyme has a crucial role in the persistent habitation of Helicobacter pylori (H. pylori) that induces gastrointestinal diseases, in particular gastritis, duodenal, peptic ulcer, and gastric cancer. Plants have long been utilized as the biggest source of substances with medicinal properties from natural origin and therefore result in less toxicity and adverse side effects upon usage. 15 ...

Application of most antibiotic growth promoters as feed additives has been banned in a lot of countries due to cross-resistance against pathogens and residues in tissues. Therefore, scientists are searching for alternatives to antibiotics nowadays. Medicinal plant extracts are one of the alternatives that have anti-microbial and growth promoting effect on poultry. In this paper, the benefits of...

2016
Vladimir Sukhov Lyubov Surova Ekaterina Morozova Oksana Sherstneva Vladimir Vodeneev

Local stimulation induces generation and propagation of electrical signals, including the variation potential (VP) and action potential, in plants. Burning-induced VP changes the physiological state of plants; specifically, it inactivates photosynthesis. However, the mechanisms that decrease photosynthesis are poorly understood. We investigated these mechanisms by measuring VP-connected systemi...

2014
C van der Tol J A Berry P K E Campbell U Rascher

We have extended a conventional photosynthesis model to simulate field and laboratory measurements of chlorophyll fluorescence at the leaf scale. The fluorescence paramaterization is based on a close nonlinear relationship between the relative light saturation of photosynthesis and nonradiative energy dissipation in plants of different species. This relationship diverged only among examined dat...

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