microspore


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Words related to microspore

smaller of the two types of spore produced in heterosporous plants

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References in periodicals archive ?
A row of sporogenous cells derived from archesporial cells produced a large number of microspore mother cells after several mitotic divisions (Fig.
The inside layer of the pollen grain, the intine, is not as resistant and is composed of cellulose and pectin produced by the microspore cell.
microspore A haploid spore (N) that will develop into a male gametophyte.
Although a given ramet may produce pollen grains that vary with respect to the cytoplasmic genes received (if the microspore mother cell does not divide its cytoplasm equally among microspores during meiosis), pollen produced by vegetatively replicated ramets should not exhibit consistent between-ramet cytoplasmic differences (unless somatic mutations are common).
In this study, the effects of applications of colchicine on microspore cultures were evaluated in 4 radish (Raphanussativus L.
The effect of colchicine pretreatment on isolated microspore culture of wheat (Triticum aestivum L.
microspore mother cells (Microsporocytes), were also detectable (Fig 1B).
In an invasive tapetum type for instance the cell walls degenerate and the individual protoplasts, without formation of a plasmodium, intrude the locules often in a cyclic pattern during microspore development.
Isospore and microspore walls of living pteridophytes: identification possibilities with different observation instruments.
Each of the spirally arranged microsporophylls (scales) contains two microsporangia, and each microsporangia contains many microspore mother cells, which undergo meiosis to produce four haploid microspores.
The frequency of univalents, bivalents, trivalents, and quadrivalents were determined in at least 10 microspore mother cells (616 total) from each of 50 euploid plants at metaphase I.
It was shown that anther abortion in the double recessive GMS line, ms5ms6, of upland cotton occurred during PMC and microspore stage.
At this stage, microspore mother cells (Microsporocytes), were also detectable (Fig1 J).
generative nucleus: Produced by the haploid microspore nucleus of a pollen grain, the generative nucleus divides mitotically to form two sperm nuclei.