Temat: halophytic plant - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Growth and mineral constituents’ variations in halophytic species under salinity
Autorzy:: Silambarasan, N.
Natarajan, S.
Powiązania:: https://bibliotekanauki.pl/articles/11313.pdf
Data publikacji:: 2014
Wydawca:: Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:: growth
mineral constituent
variation
halophytic plant
plant species
Clerodendron inerme
salinity
sodium chloride
morphological parameter
mineral content
sodium
potassium
calcium
Opis:: The present investigation was made to study the effect of different concentrations of sodium chloride on the growth and mineral constituents in different parts of Clerodendron inerme. The plant and could survive a wide range of 100-1000 mM of NaCl. The upper limit for the survival of Clerodendron inerme was 500 mM NaCl. However, favourable growth response by seedlings was confined to 200 mM NaCl. The morphological parameters such as shoot and length, number of leaves, total leaf area, fresh and dry mass and mineral constituents such as sodium, potassium and calcium were assessed.
Źródło:: International Letters of Natural Sciences; 2014, 05
2300-9675
Pojawia się w:: International Letters of Natural Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: The fungus Epichloe typhina in populations of a halophyte Puccinellia distans: salinity as a possible inhibitor of infection
Autorzy:: Lembicz, M
Olejniczak, P.
Powiązania:: https://bibliotekanauki.pl/articles/56677.pdf
Data publikacji:: 2009
Wydawca:: Polskie Towarzystwo Botaniczne
Tematy:: polymerase chain reaction
choke disease
infection frequency
field experiment
fungi
Puccinellia distans
host plant
halophytic grass
salinity
fungal endophyte
Epichloe typhina
grass
Opis:: Puccinellia distans is a non-agricultural halophytic grass that has become another host plant for Epichloe typhina, hitherto not reported from Poland. In 1992 we noticed the first symptoms of choke disease in a single population of P. distans in central Poland. Since then we have observed choke disease in 5 populations of P. distans only in man-made habitats. These habitats are strongly anthropogenically salinated but they exhibit the pattern of species composition characteristic of natural salines. In this paper we test the hypothesis that the level of salinity affects the infection of P. distans by the fungus E. typhina. Seven plots were established in the field and each plot was divided into 25 subplots. Within each plot the level of infection in a spring generation of shoots was negatively correlated with salinity (common regression within the plots, beta = -0.674, df = 117, p < 0.001). Negative correlation was also found in an autumn generation within the plots (beta = -0.682, df = 94, p < 0.001) after excluding plot P in which the frequency of infected individuals was the lowest and equal only to 0.05. The proportion of individuals infected by the endophytic stage of the fungus in the populations was assessed using diagnostic polymerase chain reaction. The greatest percentage (98.3%) of infected individuals was found in the population growing in the habitat of the lowest salinity. The high salinity reduces the chance of P. distans to become infected, but may promote the stroma formation of E. typhina twice in the season. Disease expression in autumn clearly represents a misadaptation which could be explained by the fact that the species interactions described here appeared relatively recently as a result of human activity. This hypothesis requires further experimental verification.
Źródło:: Acta Societatis Botanicorum Poloniae; 2009, 78, 1; 81-86
0001-6977
2083-9480
Pojawia się w:: Acta Societatis Botanicorum Poloniae
Dostawca treści:: Biblioteka Nauki

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