نتایج جستجو برای: plant shoots

تعداد نتایج: 398201  

Journal: :Chemosphere 2011
M Azizur Rahman M Mamunur Rahman K Kadohashi T Maki H Hasegawa

This study was conducted to investigate the effect of external iron status and arsenic species on chelant-enhanced iron bioavailability and arsenic uptake. Rice seedlings (Oryza sativa L.) were used as model plant, and were grown in artificially contaminated sandy soils irrigated with Murashige and Skoog (MS) culture solution. Arsenate uptake in roots and shoots of rice seedlings were affected ...

2014
Marta Juvany Maren Müller Marta Pintó-Marijuan Sergi Munné-Bosch

Sex-related differences in the response of dioecious plants to abiotic stress have been poorly studied to date. This work explored to what extent sex may affect plant stress responses in Pistacia lentiscus L. (Anacardiaceae), a tree well adapted to Mediterranean climatic conditions. It was hypothesized that a greater reproductive effort in females may increase oxidative stress in leaves, partic...

Journal: :Horticulturae 2021

In this study, whether the addition of antifreeze protein (AFP) to a cryopreservative solution (plant vitrification 2 (PVS2)) is more effective in reducing freezing injuries Hosta capitata than PVS2 alone at different cold exposure times (6, 24, and 48 h) investigated. The upregulation C-repeat binding factor 1 (CBF1) dehydrin (DHN1) response low temperature was observed shoots. Shoots treated ...

2013
Krishna Mohan Pathi Narendra Tuteja

Cotton (Gossypium hirsutum L.) is one of the most commercially important fiber crops in the world. Compared with other crops, cotton represents a recalcitrant species for regeneration protocols. The development of efficient and rapid regeneration protocol for elite Indian cotton variety could help improve the quality characteristics and biotic or abiotic stress tolerance. Here we report a novel...

Journal: :Molecular plant-microbe interactions : MPMI 1998
S De Buck A Jacobs M Van Montagu A Depicker

In view of the recent finding that different T-DNAs tend to ligate and integrate as repeats at single chromosomal positions, the frequency of transformation and cotransformation was determined during cocultivation of Arabidopsis thaliana root explants and Nicotiana tabacum protoplasts with two Agrobacterium strains. The transformation frequency of unselected A. thaliana shoots was lower than 1%...

Journal: :Plant physiology 1997
Z. Chen S. Iyer A. Caplan D. F. Klessig B. Fan

We previously proposed that salicylic acid (SA)-sensitive catalases serve as biological targets of SA in plant defense responses. To further examine the role of SA-sensitive catalases, we have analyzed the relationship between SA levels and SA sensitivity of catalases in different rice (Oryza sativa) tissues. We show here that, whereas rice shoots contain extremely high levels of free SA, as pr...

2008
CHUN-MEI GONG XIAO-WEI GAO DONG-LIANG CHENG GEN-XUAN WANG

To understand the adaptive mechanisms, and the strategy and direction of evolution of exploiting plants for living in oasis-desert transitional areas where there was a water gradient, mechanisms of C4 photosynthesis and antioxidative protection were studied in leaves and assimilating shoots of C3 desert shrub Hedysarum scoparium under water gradient accompanied with high irradiance and high tem...

2016
Qiu-Yun Jiang Feng Zhuo Shi-Hui Long Hai-Di Zhao Dan-Jing Yang Zhi-Hong Ye Shao-Shan Li Yuan-Xiao Jing

A greenhouse pot experiment was conducted to study the impact of arbuscular mycorrhizal fungi--Glomus versiforme (Gv) and Rhizophagus intraradices (Ri) on the growth, Cd uptake, antioxidant indices [glutathione reductase (GR), ascorbate peroxidase (APX), superoxide dismutase (SOD), catalase (CAT), ascorbate (ASA), glutathione (GSH) and malonaldehyde (MDA)] and phytochelatins (PCs) production of...

2015
Iram Siddique Najat Abdullah Wahab Bukhari Kahkashan Perveen

An effective and improved plant regeneration system was successfully developed using shoot tip explants taken from a two years old mature plant of Cassia angustifolia. The effect of different cytokinins, [6-benzyladenine (BA), Kinetin (Kin) and thidiazuron (TDZ)] at different concentrations (0.5-10 μM) were evaluated as augmented with Murashige and Skoog (MS 1962) medium. Among all the cytokini...

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