Showing 261 - 280 results of 387 for search '"exine"', query time: 0.60s Refine Results
  1. 261
  2. 262
    ... of exine ornamentation were recognized among these species. Pollen grains with ellipsoid shape and rugulate...
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  3. 263
    ..., shape, and exine ornamentation. One large plant clade in which pollen has been used this way...
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  4. 264
  5. 265
    ...) to 60.7 g (D. pinnata). Pollen grains are tricolporate, with echinate exine, medium or small in size...
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  6. 266
    by Yu-Wen Sang, 桑于雯
    Published 1995
    ... and pollen exines, meiotic behaviors, chromosome number and karyotype were studied...
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  7. 267
    by Jhih-Deng Tzeng, 曾稚鐙
    Published 2006
    ... in the exine and becomes a component of pollen wall. The transcripts expressed by both genes are anther...
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  8. 268
    by Ting-Ho Su, 蘇庭禾
    Published 2001
    ... wall(exine), cytoplasm and nucleus of generative cell, and vegetative nucleus. Less labeling was found...
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  9. 269
    by Mhlana, Kanyisile
    Published 2017
    ... sporopollenin exine capsules derived from Lycopodium clavatum. Sporopollenin is a natural biopolymer, which...
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  10. 270
    ... characteristics concerning pollen size, ornamentation patterns of the exine, and endoaperture type. It is also...
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  11. 271
    ... accompanying in vitro germination of freezer-stored pollen exhibited some delay in releasing the exine from...
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  12. 272
  13. 273
    ... pollen grain structure and the exine, which might hinder their bioavailability. The solvent-extraction...
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  14. 274
    ... released pollen grains had pineapple-like exine with tilted spines. These pollens were not stained by 2,5...
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  15. 275
    ..., exine, sexine andnexine, reticulation and measurements including equatorial and polar axis and the ratio...
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  16. 276
    ..., a thicker exine, “permanent tetrads” that failed to disintegrate into microspores, and the absence...
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  17. 277
    ... at pollens of G. variabilis, G. hasseltii G. fecunda, G. multifolia, and G. paniculata. Four types of exine...
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  18. 278
  19. 279
  20. 280
    ..., then surrounds the microsporocyte. After meiosis, microspores release from callose wall with exine...
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