Ahmad Arzani

Volatile-mediated allelopathy: Perovskia atriplicifolia Benth. volatile organic compounds trigger phenylpropanoid–lignin remodelling in Amaranthus retroflexus L.

Alice Zambelli, Emanuela Talarico, Cristina Teruzzi, Eleonora Greco et autres

This study investigated the allelopathic effects of volatile organic compounds (VOCs) emitted by Perovskia atriplicifolia Benth. on the weed Amaranthus retroflexus L. . Headspace SPME-GC-MS identified 70 VOCs, mainly o-cymene (∼33%), δ-3-carene (∼15%), and 1,8-cineole (∼8%), in P. atriplicifolia . Bioassays revealed …

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Yield and Essential Oil Accumulation of Stachys setifera Linked to Aerenchyma Development

Mohammad R. Sabzalian, Sara Zare, S Heydari, Zahra Rasooli et autres

Abstract This study examined the effects of self- and cross-pollination on agro-morphological traits, aerenchyma formation, and essential oil composition in Stachys setifera C.A.Mey. Ten clonally propagated genotypes and their seed progenies were evaluated over two years under greenhouse and field conditions. Significant …

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Agronomic performance of wild emmer wheat germplasm (Triticum turgidum ssp. dicoccoides) grown under irrigated and rainfed conditions

Behnaz Aghayani, Leila Zarei, Kianoosh Cheghamirza, Sohbat Bahraminejad et autres

BACKGROUND: The genetic variations present in wild emmer wheat (Triticum turgidum ssp. dicoccoides), are valuable for improving desirable traits in modern wheat. This research was conducted to evaluate the responses of 105 wild emmer wheat accessions under irrigated and rainfed conditions across …

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Contribution of phenolic compounds and hormones in antioxidant defense responses of wild and cultivated barley genotypes under drought and heat stress

Farzaneh Karamzadeh, Ahmad Arzani, Ghodratollah Saeidi

Drought and heat are major co-occurring stresses that sharply reduce crop yield. This study investigated antioxidant and hormonal responses in 36 barley genotypes (5 cultivated, 31 wild) under two planting dates and two irrigation regimes over two years. Evaluated traits included phenolic …

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Agronomic performance of wild emmer wheat germplasm (Triticum turgidum ssp. dicoccoides) grown under irrigated and rainfed conditions

Behnaz Aghayani, Leila Zarei, Kianoosh Cheghamirza, Sohbat Bahraminejad et autres

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Phenolic compounds, antioxidant enzymes, and oxidative stress in barley (Hordeum vulgare L.) genotypes under field drought-stress conditions

Behnaz Mohagheghian, Ghodratollah Saeidi, Ahmad Arzani

Climate change has exacerbated drought, making water scarcity a significant constraint on crop production. This study aimed to evaluate drought stress responses of 21 barley cultivars and breeding lines, using various traits of leaf oxidative stress [DPPH radical scavenging, malondialdehyde (MDA), and …

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The Role of miRNA in Plant Adaptation to Abiotic Stress

Mahmoud Taleb, Ahmad Arzani

Global food security has become an urgent concern due to rapid climate change.Plants, the foundation of the food chain, are constantly under environmental pressures such as drought, salinity, and extreme and low temperatures.These stressors threaten plant growth and productivity, jeopardizing global food …

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Interplay Between ROS and Hormones in Plant Defense Against Pathogens

Mostafa Haghpanah, Amin Namdari, Mostafa Koozehgar Kaleji, Ahmad Arzani et autres

Reactive oxygen species (ROS) are toxic by-products of aerobic cellular metabolism. However, ROS conduct multiple functions, and specific ROS sources can have beneficial or detrimental effects on plant health. This review explores the complex dynamics of ROS in plant defense mechanisms, focusing …

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Transcriptome alterations related to heat stress responses of wild and cultivated barley

Forouzan Bahrami, Ahmad Arzani, Mehdi Rahimmalek, Fabrizio Araniti

Heat stress, exacerbated by global warming, threatens food security by disrupting plant growth and productivity across many regions. The present study compared the transcriptome changes of heat-tolerant wild ( Hordeum vulgare ssp. spontaneum L.) genotype and heat-sensitive cultivated Hordeum (‘Mona’ cultivar) barley …

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Plant polyphenols, terpenes, and terpenoids in oral health

Vida Arzani, Mohsen Soleimani, Tilman Fritsch, Ursula M. Jacob et autres

Introduction: Herbal products are increasingly being used for their potential to promote oral health. Phytochemicals can act as scavengers of reactive or toxic chemicals, selective growth factors for beneficial oral bacteria, fermentation substrates for beneficial oral bacteria, and selective inhibitors of harmful …

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Amylose variation reveals a novel null wx allele in Malaysian rice

Hadi Yeilaghi, Iqra Fatima, Mehwish Qazi, Bin Y. Qin et autres

Low amylose content is a key trait associated with the cooking and eating quality of rice (Oryza sativa L.), and is a major breeding target in the development of soft-textured rice varieties. In this study, 59 rice varieties from Malaysia were evaluated, …

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Chemical Composition, Physiological and Morphological Variations in Salvia subg. Perovskia Populations in Response to Different Salinity Levels

Zahra Ghaffari, Mehdi Rahimmalek, Mohammad R. Sabzalian, Ahmad Arzani et autres

This study evaluated the salinity tolerance of five populations of Salvia subg. Perovskia (S. abrotanoides and S. yadngii). The aims of the study were to assess essential oil components, as well as growth and physiological parameters of two Salvia species in response …

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