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The inhibitory effect of zinc on cadmium-induced cell apoptosis and reactive oxygen species (ROS) production in cell cultures.
IMMUNODETECTION OF ARABINOGALACTAN PROTEINS IN DIFFERENT TYPES OF PLANT OVULES
Although some differences in the localization of these epitopes in different plant species were observed, in all the studied ovules they were present on the pathway of pollen tube growth and appeared at the time of the ovule’s highest receptivity.
Cytology of seed development related to floret position in perennial ryegrass (Lolium perenne L.)
Biological FSU decreased mainly by ovule degeneration shortly after flowering and in spaced plants, seed abortion was not important to low seed yield.
Calcium ion presence as a trait of receptivity in tenuinucellar ovules of Galanthus nivalis L.
The substances detected in the micropylar exudate of fertile ovules are suggested to support and direct pollen tube growth to the embryo sac.
Immunodetection of arabinogalactan proteins (AGPs) in apomictic ovules of Chondrilla juncea L.
Chromosome number variation in somatic hybrids between transgenic tomato (Lycopersicon esculentum) and Solanum lycopersicoides.
The genomic in situ hybridization analyses indicated a hypo- and hypertetraploid character of the hybrid plant with a majority of S. lycopersicoides chromosomes and a variation in chromosome number from 46 to 53.
Embryo development and fruit-set in pear induced by untreated and irradiated pollen
Flowers of the pear cultivars Conference, Doyenné du Comice and Gieser Wildeman were pollinated with untreated and 50-krad-irradiated pollen, presumably associated with endosperm rather than embryo development during the first 4–6 weeks after pollination and the possibilities of haploid production are discussed.
Polarity and competition between megaspores in the ovule ofOenothera hybrids
There is sufficiently good agreement to support the hypothesis of Renner that there is a correlation between the developmental processes in the megaspore tetrad and the genetic phenomena of competition in the haplophase.
Development of polarity in the ovules of the F2-progeny of theOenothera hybridalbicans ·hhookeri
In the F2-progeny of hybrids from crosses betweenOenothera biennis orsuaveolens andOe. hookeri with theRenner-complexesalbicans andhhookeri, the development of callose pattern in meiocytes and…
The Effect of Pollen Load on Pollen Tube Performance in Apple, Pear and Rose Styles
In Vitro, Pollen Density has been shown to Markedly Influence the Germination of Pollen Of Many Plant Species and in Vivo, it was thought useful to Investigate if and to what Extent Pollen Tube Growth in the Style Depends On the ‘Pollen Load’, in Casu the number of (Germinated) Pollen Grains On the Stigma.