Abstract:
:The pollen morphology of 11 salt tolerant plant species of family Amaranthaceae from the salt range of Northern Punjab, Pakistan has been studied. The palyno-morphological characters were examined using light and scanning electron microscope. The examined all salt tolerant species have a slight difference in size but have similarity in shape, pore ornamentation, and polarity. The observed morphological characters of pollen grains were pollen symmetry, size, shape, pore ornamentation, pore size, number of pores, exine thickness, polar and equatorial diameter and, P/E ratio. Apolar type of pollens has been observed in all species. Shape of pollens was spheroidal. Exine sculpturing of pollen grains was scabrate (six spp), microechinate (four spp), and microechinate-scabrate (one spp). Different pori numbers were observed in different species. The pantoporate aperturate and sunken pore ornamentation have been reported in all species. A pollen taxonomic key was developed using examined morphological characters for the accurate identification of halophytic taxa. The high fertility and low sterility of pollens confirmed that the selected halophytes are well-established in the salt region. The findings highlight the taxonomic significance of pollen morphology in correct identification and differentiation of salt tolerant plant species.
journal_name
Microsc Res Techjournal_title
Microscopy research and techniqueauthors
Nazish M,Zafar M,Ahmad M,Sultana S,Ullah R,Alqahtani AS,Ullah F,Ahmad S,Ashfaq S,Ullah Fdoi
10.1002/jemt.23173subject
Has Abstractpub_date
2019-03-01 00:00:00pages
304-316issue
3eissn
1059-910Xissn
1097-0029journal_volume
82pub_type
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