Wszystkie pola: aster, A. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Association of ’Candidatus Phytoplasma aurantifolia’ with Cosmos bipinnatus phyllody disease in Iran
Autorzy:: Nikooei, M.
Hemmati, C.
Bagheri, A.
Powiązania:: https://bibliotekanauki.pl/articles/66083.pdf
Data publikacji:: 2017
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: Candidatus Phytoplasma aurantifolia association
Cosmos bipinnatus
Mexican aster
garden cosmos zob.Mexican aster
phyllody
phytoplasma
plant disease
Iran
Opis:: In 2017 growing season numerous examinations of Cosmos bipinnatus in Hormozgan province, Iran revealed the disease symptoms similar to those associated with phytoplasmas. Phytoplasmas were detected from all symptomatic plants by the specific polymerase chain reaction (PCR) utilizing phytoplasma universal primer pairs. Amplification, sequencing and blast analysis of 16S rDNA fragment (ca. 1.2 kb) demonstrated that C. bipinnatus plants were infected by a phytoplasma belonging to the 16SrII group. This is the first report of association of a ‘Candidatus Phytoplasma aurantifolia’-related strain with C. bipinnatus phyllody in Iran.
Źródło:: Journal of Plant Protection Research; 2017, 57, 3
1427-4345
Pojawia się w:: Journal of Plant Protection Research
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Changes of ultrastructure and cytoplasmic free calcium in Gladiolus x hybridus Van Houtte roots infected by aster yellows phytoplasma
Autorzy:: Rudzinska-Langwald, A
Kaminska, M.
Powiązania:: https://bibliotekanauki.pl/articles/58600.pdf
Data publikacji:: 2003
Wydawca:: Polskie Towarzystwo Botaniczne
Tematy:: phytoplasma
calcium deposit
plant disease
Gladiolus x hybridus
change
botany
phloem structure
aster yellows phytoplasma
ultrastructure
root
Opis:: Roots of Gladiolus x hybridus Van Houtte plants infected with aster yellows phytoplasma were examined. The infected plants had a reduced root system in comparison to control plants. Their roots were thinner and the stele organisation was changed. Phytoplasmas were present in sieve tubes, companion cells and phloem parenchyma cells of the infected plant roots. Free calcium ions were localized in the cells of infected plants. Cells of the stele of infected roots, especially these infected with phytoplasmas, showed an increase of calcium antimonite deposits in theirs protoplasts. Also the number of calcium antimonite deposits increased in sieve tubes of infected roots. The deposits were present on plasma membrane, around the sieve tube plate and also in the lumen of the sieve tube. The increase of free calcium ions in sieve tubes did not cause the occlusion of sieve tube pores. Companion cells and some parenchyma cells with phytoplasmas did not react to phytoplasma infection with an increase of Ca2+ ions in protoplast. The parenchyma cells showing signs of degeneration reacted with high increase of calcium ions. The Ca2+ ions were present mainly in cytoplasm of infected parenchyma cells. There were calcium antimonite deposits in infected plant roots xylem elements and in intracellular spaces of cortex parenchyma. Such deposits were not present in control plants.
Źródło:: Acta Societatis Botanicorum Poloniae; 2003, 72, 4
0001-6977
2083-9480
Pojawia się w:: Acta Societatis Botanicorum Poloniae
Dostawca treści:: Biblioteka Nauki

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