Relationships between di ploid hordeum sp di ploid secale sp and di ploid tetra ploid hexa ploid triticum spp for stomatal frequency size and distribution

Rajendra, B.R.; Mujeeb, K.A.; Bates, L.S.

Environmental and Experimental Botany 18(1): 33-38


ISSN/ISBN: 0098-8472
Accession: 006302179

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Stomatal size, frequency and distribution were examined on the abaxial and adaxial surfaces of flag leaves sampled from 18 accessions of H. vulgare, S. cereale, T. monococcum L., T. turgidum L. var. durum and T. aestivum L. var. aestivum. The cultivars differed in frequency on the abaxial and adaxial surfaces (P .ltoreq. 0.01). The adaxial surface had a significantly higher stomatal frequency than the abaxial side. Interaction significance between accessions and surface was mainly contributed by Secale sp. and Triticum sp. since all Hordeum sp. accessions were similar. Diploid wheat had the highest stomatal frequency, which decreased with increasing ploidy. Plant height also influenced stomatal size and frequency in Secale sp. Stomatal size and frequency, along with pubescence, could serve as micromorphological markers in inheritance studies in interspecific and intergeneric hybridization.