In addition to hazel pollen, alder pollen causes allergy symptoms in subjects suffering from early spring allergies. The study consisted the analysis of concentration Alnus air 12 Polish cities: Bialystok, Bydgoszcz, Cracow, Kielce, Lublin, Olsztyn, Piotrkow Trybunalski, Sosnowiec, Szczecin, Warsaw, Wroclaw, and Zielona Gora. research was carried out 2022. volumetric method Burkard or Lanzoni s...

The wave effect and the shyness phenomenon in Alnus acuminata (Kunth) are crown parameters rarely studied, but important quality of wood standing trees, therefore, a morphometric modeling crowns homogeneous forests Sierra Norte de Puebla was carried out. In 20 rectangular sites 1,000 m2, following were evaluated: total height (TA), normal diameter (ND), (CD) cover (CC). Kruskal Wallis test appl...

In nitrogen (N) fixing symbioses, host-symbiont specificity, genetic variation in bacterial symbionts and environmental variation represent fundamental constraints on the ecology, evolution and practical uses of these interactions, but detailed information is lacking for many naturally occurring N-fixers. This study examined phylogenetic host specificity of Frankia in field-collected nodules of...

Most plant expressed sequence tag-simple sequence repeats (EST-SSRs) are not polymorphic, and it is important to learn the characteristics of highly polymorphic EST-SSRs. In this study, 357 compound and 5557 non-compound EST-SSRs, identified from the transcriptome of the Chinese bayberry (Myrica rubra 'Biqi'), were divided into 11 types based on their characteristics. Polymorphisms in all 11 ES...

Analyses of DNA sequences from the internal transcribed spacer (ITS) region of the nuclear rDNA and from a portion of a manganese-dependent peroxidase gene were used to assess the species in Amylostereum, including isolates from the mycangia of horntails, decay, and basidiomes. Four species are recognized: A. areolatum, A. chailletii, A. laevigatum, and A. ferreum. An unidentified Amylostereum ...

Rehmannia is a medicinal plant in China. Autotoxicity has been reported to be one of the major problems hindering the consecutive monoculture of Rehmannia. However, potential autotoxins produced by the fibrous roots are less known. In this study, the autotoxicity of these fibrous roots was investigated. Four groups of autotoxic compounds from the aqueous extracts of the fibrous roots were isola...