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Distribution of three congeneric shrub species along an aridity gradient is related to seed germination and seedling emergence.

Lai L, Tian Y, Wang Y, Zhao X, Jiang L, Baskin JM, Baskin CC, Zheng Y - AoB Plants (2015)

Bottom Line: Under the same treatments, seedling emergence percentages of C. korshinskii were higher than those of the other two species.The rank order of tolerance to drought and sand burial of the three species is C. korshinskii > C. intermedia > C. microphylla.The amount of precipitation and sand burial depth appear to be the main selective forces responsible for the geographical distribution of these species.

View Article: PubMed Central - PubMed

Affiliation: Key Laboratory of Resource Plants, Beijing Botanical Garden, West China Subalpine Botanical Garden, Institute of Botany, Chinese Academy of Sciences, Xiangshan, Beijing, China.

No MeSH data available.


Related in: MedlinePlus

Emergence rate (mean ± SE, n = 5) of three Caragana species under different sand burial depth and water supply regimes at 15 : 25 °C. Other abbreviations are the same as in Figure 2.
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PLV071F4: Emergence rate (mean ± SE, n = 5) of three Caragana species under different sand burial depth and water supply regimes at 15 : 25 °C. Other abbreviations are the same as in Figure 2.

Mentions: Seedling ERs of all three species were negatively correlated with burial depth (Fig. 4). Emergence rate of C. korshinskii increased with water supply, until the maximum was reached at 20 mm. At burial depths of 0.5–2 cm, ER was significantly higher than it was at 3 and 4 cm. Emergence rate for both C. intermedia and C. microphylla was lower than that of C. korshinskii under the same treatment. At burial depths ≥3 cm, ER of all three species significantly decreased.Figure 4.


Distribution of three congeneric shrub species along an aridity gradient is related to seed germination and seedling emergence.

Lai L, Tian Y, Wang Y, Zhao X, Jiang L, Baskin JM, Baskin CC, Zheng Y - AoB Plants (2015)

Emergence rate (mean ± SE, n = 5) of three Caragana species under different sand burial depth and water supply regimes at 15 : 25 °C. Other abbreviations are the same as in Figure 2.
© Copyright Policy - creative-commons
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4522037&req=5

PLV071F4: Emergence rate (mean ± SE, n = 5) of three Caragana species under different sand burial depth and water supply regimes at 15 : 25 °C. Other abbreviations are the same as in Figure 2.
Mentions: Seedling ERs of all three species were negatively correlated with burial depth (Fig. 4). Emergence rate of C. korshinskii increased with water supply, until the maximum was reached at 20 mm. At burial depths of 0.5–2 cm, ER was significantly higher than it was at 3 and 4 cm. Emergence rate for both C. intermedia and C. microphylla was lower than that of C. korshinskii under the same treatment. At burial depths ≥3 cm, ER of all three species significantly decreased.Figure 4.

Bottom Line: Under the same treatments, seedling emergence percentages of C. korshinskii were higher than those of the other two species.The rank order of tolerance to drought and sand burial of the three species is C. korshinskii > C. intermedia > C. microphylla.The amount of precipitation and sand burial depth appear to be the main selective forces responsible for the geographical distribution of these species.

View Article: PubMed Central - PubMed

Affiliation: Key Laboratory of Resource Plants, Beijing Botanical Garden, West China Subalpine Botanical Garden, Institute of Botany, Chinese Academy of Sciences, Xiangshan, Beijing, China.

No MeSH data available.


Related in: MedlinePlus