نتایج جستجو برای: embryo desiccation

تعداد نتایج: 84037  

2008
Karel Suhajda Miloslav Novotny Jan Skramlik

This work describes the course of the experiment aimed to microwave (MW) desiccation of masonry by MW plug-in bar antenna applied to various types of brickwork. Experiment was carried on in the masonry manufactured from solid bricks, modern hollow brick form-pieces THERM and from aerated concrete blocks YTONG. Results of this experiment should determine what type of MW desiccation method is the...

Journal: :Annals of botany 2010
F R Hay R D Smith R H Ellis L H Butler

BACKGROUND AND AIMS Using two parental clones of outcrossing Trifolium ambiguum as a potential model system, we examined how during seed development the maternal parent, number of seeds per pod, seed position within the pod, and pod position within the inflorescence influenced individual seed fresh weight, dry weight, water content, germinability, desiccation tolerance, hardseededness, and subs...

Journal: :Revista Brasileira De Entomologia 2021

Although aedine eggs are resistant to desiccation, little is known about this trait in Haemagogus species. In study, we assessed the desiccation resistance of Hg. spegazzinii eggs. The were collected using ovitraps over a period one week March 2020. positive pallets stored until experimentation and immersed solution water yeast for larval hatching subsequent species identification. emerged adul...

Journal: :international journal of reproductive biomedicine 0
nezhat moossavifar nayereh khadem alieh torabizadeh

background: it has been demonstrated that performing a mock embryo transfer (et) significantly improves the pregnancy rate in ivf cycles. the mock et could be performed prior to the stimulation cycle or immediately before real et. the problem of the first procedure is the possibility of variation in the uterine position and or cervico�uterine angle. objective: the purpose of this study was to d...

Journal: :international journal of reproductive biomedicine 0
soheila arefi ahmad hoseini fattaneh farifteh hojjat zeraati

background: natural endometrium in frozen-thawed embryo transfer (fet) may have some benefits upon implantation in patients with repeated implantation failure (rif). it might be due to possible differences between natural and stimulated endometrial growth factors and cytokins secretions. objective: the objective of this study was to compare the pregnancy rate of fet on modified natural cycle ve...

Journal: :American journal of botany 2013
Lloyd R Stark Joshua L Greenwood John C Brinda Melvin J Oliver

PREMISE OF THE STUDY Bryophytes include clades that incorporate constitutive desiccation tolerance, especially terrestrial species. Here we test the hypothesis that the opposing ecological strategy of desiccation tolerance, inducibility, is present in a desert moss, and address this hypothesis by varying rates of drying in a laboratory study. Desiccation tolerance is arguably the most important...

2006
M. J. Dring

CO2-exchange of emersed plants and 0,-exchange of submersed plants were measured in 5 species of brown algae from different tidal heights on shores in Ireland and Helgoland (southern North Sea). The photosynthesis of emersed fucoids and Laminaria digitata increased as up to 25 % of tissue water was lost, but then declined with further desiccation. The relationship between decrease in photosynth...

Journal: :Plant, cell & environment 2012
Megan Beckett Francesco Loreto Violeta Velikova Cecilia Brunetti Martina Di Ferdinando Massimiliano Tattini Carlo Calfapietra Jill M Farrant

We investigated the photosynthetic limitations occurring during dehydration and rehydration of Xerophyta humilis, a poikilochlorophyllous resurrection plant, and whether volatile and non-volatile isoprenoids might be involved in desiccation tolerance. Photosynthesis declined rapidly after dehydration below 85% relative water content (RWC). Raising intercellular CO(2) concentrations during desi...

Journal: :Plant physiology 1992
S A Blackman R L Obendorf A C Leopold

The desiccation-tolerant state in seeds is associated with high levels of certain sugars and maturation proteins. The aim of this work was to evaluate the contributions of these components to desiccation tolerance in soybean (Glycine max [L.] Merrill cv Chippewa 64). When axes of immature seeds (34 d after flowering) were excised and gradually dried (6 d), desiccation tolerance was induced. By ...

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