Age dynamics of the population gene pool of the Crimean pine (Pinus Pallasiana D. Don) in Crimea

Коршиков, І. І.; Мудрик, Е. А.; Krasnoshtan, O.V.; Velikorid’ko, T. I.; Kalafat, L. O.; Podgornii, D. Yu.

doi:10.3103/s0095452711010075

Cited by 4 publications

(7 citation statements)

References 3 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This proves that the genetic variation in the studied population of P. abies is less diverse in older ages than in seedlings, confirming the observations of Prus-Głowacki (1982) on the different age classes of Scots pine. A trend of lower heterozygosity in a group of older trees, accompanied by an higher frequency of the predominant allele, was also observed in an isolated population of Pinus sylvestris (Korshikov and Mudrik, 2006), and in Pinus pallasiana (Korshikov et al, 2011). Staszak et al (2007) noted 34 % higher observed heterozygosity in younger trees than in older trees in Pinus Jeffreyi Balf.…”

Section: Discussionmentioning

confidence: 83%

Genetic aspects of age dynamics of a natural Picea abies (L.) Karst. population in the Białowieża Primeval Forest, Poland

et al. 2013

View full text Add to dashboard Cite

We studied temporal changes in the genetic structure and diversity of a naturally regenerated Picea abies (L.) Karst. (Norway spruce) population in the Białowie_ za Primeval Forest, Poland. The analysis included five age classes of trees: newly germinating seedlings (in laboratory conditions), seedlings up to 3 years old, young trees 4-10 years old, middle-aged trees 11-100 years old, and trees older than 100 years. We conducted genetic analyses of 26 allozyme loci using dormant buds from 405 individuals and 100 embryos. The results showed that the naturally regenerating Norway spruce population is genetically heterogeneous across the studied age classes. As determined by Chi squared tests, there were statistically significant differences in frequencies of alleles and genotypes as well as Wright's index values (F) among the five age classes. The level of genetic differentiation (pairwise F ST = 0.5-2.3 %) among the age class groups was equal to levels previously determined for various populations of this species. The Ewens-Watterson test for neutrality showed that one or two loci across different age classes of Norway spruce were affected by the selection process. The distinctiveness of embryo and seedling classes was confirmed by the number of detected alleles, the number of private alleles, the level of observed heterozygosity, and Wright's index value. The results obtained in the present study indicate there are interesting dynamics of adaptation processes occurring in the natural age-diverse population of Norway spruce in the Białowie_ za Primeval Forest.

show abstract

Section: Discussionmentioning

confidence: 83%

Genetic aspects of age dynamics of a natural Picea abies (L.) Karst. population in the Białowieża Primeval Forest, Poland

et al. 2013

View full text Add to dashboard Cite

show abstract

“…pallasiana) is a Mediterranean mountainous, dominant species. The plant range includes Crimea, mainly the southern slope of Yaila, southern Ukraine and the Caucasus [3][4]. The tree is 20-30 (up to 45) m of height.…”

Section: Methodsmentioning

confidence: 99%

“…It develops well in both the lower, mid-mountain and upper forest zones at altitudes of 500-900 m above sea level. At altitudes above 700 m, in conditions with increased humidity and more frequent precipitation in the form of rain and snow, the Crimean pine tree has the most intensive growth and forms closed forest stands [4].…”

Section: Methodsmentioning

confidence: 99%

“…There are not many papers on these species' reaction to seasonal climate changes in the Crimea and southern Ukraine [3][4] and their tolerance to summer drought, as well as of plants growing in the Mediterranean region of dry subtropics, including various species and subspecies of black pine Pinus nigra subsp.…”

Section: Introductionmentioning

confidence: 99%

“…Quadratic surface of function a) E=f(Sf, d); b) E=f(I, Sf); c) Sf=f(I, Ws); and section contours on the x-y plane; the top of the graph shows the numerical coefficients of the nonlinear regression equations. d) natural course of transpiration rate (1), needles temperature(2), their trend lines(3,4), respectively…”

mentioning

confidence: 99%

See 2 more Smart Citations

Features of Water Exchange of Pinus nigra subsp. pallasiana in Conditions of Southern Coast of Crimea

Ilnitsky¹,

Plugatar²,

Pashtetsky³

2020

Proceedings of the International Scientific Conference the Fifth Technological Order: Prospects for the Development and Moderni

View full text Add to dashboard Cite

The eco-physiological reaction of Pinus nigra subsp. pallasiana on the impact of extreme environmental factors was studied; optimum zones and threshold values of soil moisture, temperature and illumination that limits photosynthesis and transpiration of this species in the conditions of the southern coast of Crimea were determined. The optimums of the studied parameters were found: En = 25-50 mg / (m 2 s), I = 450-1000 µmol/(m 2 s), Pn = 8,5-10 µmol/(m 2 s), Ws = 55-70% FC. As an indicator of the response (reaction) of species to irrigation, we used the relative water flow rate in the plant shoot and changes in shoot diameter, as well as apical growth of the plant. Analyzing research results allowed us to study the features of water regime of the studied species and reaction to extreme environmental factors. After a severe drought and two irrigations, it took about two days to restore the studied parameters to the initial values. Using the nonlinear regression equations, the dependencies are determined: Pn = f (I, E); E = f (I, W); E = f (Sf, d); Sf = f (I, W). Association between the transpiration rate and the needles temperature under the influence of limiting environmental factors is determined. At a needles temperature above 35°C, the transpiration rate sharply decreases. Regression statistics for the parameters E and Tn: R = 0,7794; R 2 = 0,6076. When introducing this species into different regions, the results of our studies allow us to compare the hydrothermal characteristics that we obtained with the climatic conditions of a particular region and evaluate the possibilities of its cultivation.

show abstract

Temporal dynamics in the genetic structure of a natural population of Picea abies

2016

View full text Add to dashboard Cite

The temporal dynamics of the genetic diversity of the Norway spruce population provide valuable information on the conservation and management of its genetic resources. The relationships between genetic and demographic parameters are of fundamental importance for understanding the adaptability of forest tree populations. The study was aimed at determining the genetic differentiation of five age classes of a naturally regenerating

show abstract

Age dynamics of the population gene pool of the Crimean pine (Pinus Pallasiana D. Don) in Crimea

Cited by 4 publications

References 3 publications

Genetic aspects of age dynamics of a natural Picea abies (L.) Karst. population in the Białowieża Primeval Forest, Poland

Genetic aspects of age dynamics of a natural Picea abies (L.) Karst. population in the Białowieża Primeval Forest, Poland

Features of Water Exchange of Pinus nigra subsp. pallasiana in Conditions of Southern Coast of Crimea

Temporal dynamics in the genetic structure of a natural population of Picea abies

Contact Info

Product

Resources

About