Ontogenesis and Ontogenetic Structure of Local Populations of the Astragalus holargyreus Bunge (Fabaceae) of the Narrow-Local Endemic Of Kyzylkum

Saribaeva, Sh. U.; Shomurodov, Kh. F.; Abduraimov, Ozodbek

doi:10.1134/s2079096122010103

Cited by 8 publications

(1 citation statement)

References 2 publications

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“…In many countries, scientists study natural coenopopulations (CPs) of certain plant groups with systematic, genetic, and molecular studies and their preservation in situ (Astashenkov et al, 2019;Cheremushkina et al, 2020;Nabiev et al, 2020;Golovanov et al, 2021). Studies are being conducted in Uzbekistan to assess the state of CPs of rare and endangered plant species included in the Red Book of Uzbekistan (Akhmedov et al, 2015;Shomurodov, Abduraimov, 2017;Saribaeva, Shomurodov, 2017;Shomurodov et al, 2021;Saribaeva et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

Assessment of the Population Status of Allium Oschaninii O. Fedtsch. In the Mountains of Uzbekistan

Saribaeva

Abduraimov

Allamuratov

2022

Ekológia (Bratislava)

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Currently, the genetic resources of plants are on the verge of gradual disappearance, called genetic erosion. The erosion of genetic diversity implies the loss of diverse genes in individual plant species. Therefore, special attention should be paid to the collection and conservation of genetic resources of endangered plants for future use. The aim of this study is to research the natural coenopopulation of the ancestral species of cultivated plant, Allium oschaninii in the mountains of Uzbekistan. Field studies were conducted in nine coenopopulations in the Turkestan, Gissar, and Alai ranges. For each coenopopulation, a phytocoenotic characteristic given on the sites of 100 m2. When determining the structure of A. oschaninii and the characteristics of the coenopopulation, transects from 10 to 30 sites of 1 m2 were established. The condition of the coenopopulation was assessed by the age structure of A. oschaninii and using a demographic indicator. We found that the condition of the coenopopulation is normal, but incomplete. The condition of the coenopopulations 1, 8, 9 is under threat due to anthropogenic load (overgrazing) and unfavorable factors of the ecotype. The ontogenetic spectrum is centered with a peak on average generative individuals and does not coincide with the characteristic one. Coenopopulations with a left-sided type, with a predominance of juvenile individuals, are formed on stony-gravelly, fine-grained gravel, and soft-soil mountain plains. By biological nature, the ontogenetic spectrum of A. oschaninii is left- sided, with an absolute maximum on one of the pregenerative groups. According to the demographic indicators, in diverse communities and in low-mountain and medium-category habitats and in a static substrate with grazing, the coenopopulation is young, mature, and in a transitional state.

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Section: Introductionmentioning

confidence: 99%

Assessment of the Population Status of Allium Oschaninii O. Fedtsch. In the Mountains of Uzbekistan

Saribaeva

Abduraimov

Allamuratov

2022

Ekológia (Bratislava)

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Morphological variability and vitality of the cenopopulation of Malva neglecta Wallr.

Saribaeva

2024

E3S Web of Conf.

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Analysis of morphological variability in Malva neglecta in six coenopopulations in different phytocenoses made it possible to identify the breadth of variability and similarities between the compared coenopopulations. The studied characteristics of the studied species can be arranged according to the increasing level of variability according to the following scale: mass of an individual, length of vegetative shoots, length and width of leaves, mass of generative individuals, number of flowers on a shoot. The coefficients of variation for each trait in coenopopulations are stable. The vitality of coenopopulations within the studied region varied from 0.37 to 0.74. The cenopopulation of the studied species, growing near the Sangzor River, is characterized by lower vitality. According to the IQ parameter, most cenopopulations were in equilibrium. A depressed state was noted in cenopopulations 2 and 6. The average density of Malva neglecta is 0.9-1.45 pcs/m2; the greater the density and number of individuals, the higher the vitality index.

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Poisonous and harmful plants of pastures in the Kyzylkum desert (Uzbekistan)

Shomurodov,

Khayitov,

Abduraimov

et al. 2024

E3S Web of Conf.

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The paper studied poisonous and harmful plants that were distributed in Kyzylkum desert condition (Uzbekistan). The research was conducted over the years 2012-2024. The forage flora of Kyzylkum consists of 908 species of vascular plants belonging to 345 genera and 68 families. During the research, 34 families, 73 poisonous plants belonging to 55 genus and 6 families, 39 harmful plants belonging to 13 genera were identified. The vast majority of poisonous and harmful plants are xerophytes. The analysis of poisonous plants of the studied territory in relation to soil moisture showed that the vast majority of them belong to xerophytes, which confirms the arid nature of the pastoral flora of Kyzylkum. The dominant positions of annual plants in the forage flora of the study area have been revealed, which are an alarming indicator of increasing anthropogenic pressure on pasture vegetation. The colossal role of haze and compound flowers in the pasture vegetation of Central Asia has been established and the expediency of separating them into separate groups according to economic relations has been proved.

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Ontogenesis and Ontogenetic Structure of Local Populations of the Astragalus holargyreus Bunge (Fabaceae) of the Narrow-Local Endemic Of Kyzylkum

Cited by 8 publications

References 2 publications

Assessment of the Population Status of Allium Oschaninii O. Fedtsch. In the Mountains of Uzbekistan

Assessment of the Population Status of Allium Oschaninii O. Fedtsch. In the Mountains of Uzbekistan

Morphological variability and vitality of the cenopopulation of Malva neglecta Wallr.

Poisonous and harmful plants of pastures in the Kyzylkum desert (Uzbekistan)

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