Carbon and nitrogen of seed and some germination parameters at different test temperatures in Anatolian black pine populations

Caliskan, Servet; Makineci, Ender

doi:10.1080/10549811.2019.1608451

Cited by 3 publications

(3 citation statements)

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“…Globally, temperature and light also affected MGT, although these effects were only significant in seeds from Yunquera and Ronda. As previously found in Abies fraseri [ 44 ] and Pinus nigra [ 22 ]), warm temperatures accelerated germination. Higher velocities were also recorded under light conditions, although in Pinus bungeana light did not influence germination speed [ 21 ].…”

Section: Discussionsupporting

confidence: 78%

“…Stimulation of seed germination at low temperatures is a common feature in many woody Mediterranean species and is considered an adaptive trait in plants from this region [ 19 ]. In conifers, higher germination at 15–20 °C was reported in multiple species of Pinus [ 19 , 20 , 21 , 22 , 23 , 24 ]. A sharp germination decline at temperatures above the optimum has also been reported in Picea engelmannii [ 25 , 26 ] and Pinus bungeana [ 21 ].…”

Section: Discussionmentioning

confidence: 99%

“…Interpopulation variability in germination is considered a general trend in conifer species [ 19 ]. Thus, intraspecific differences have been reported in Abies guatemalensis [ 36 ], Abies koreana [ 37 ], Pinus nigra [ 19 , 22 ], Pinus pinea , Pinus pinaster [ 19 ], Chamaecyparis thyoides [ 35 ], Pinus flexilis and Picea engelmannii [ 26 ]. Differences in germination capacity among seeds from different provenances have been attributed to genetic variations [ 25 , 38 ], although an important influence of the maternal environment has also been pointed out [ 39 ].…”

Section: Discussionmentioning

confidence: 99%

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Germination Behavior and Early Seedling Growth in Abies pinsapo Boiss. Seeds

Bravo-Navas

Sánchez-Romero

2022

Plants

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Abies pinsapo Boiss. is a conifer endemic to southern Spain. It is categorized as an endangered species in the IUCN list and the plant communities it forms are considered unique ecosystems, being the remains of fir forests occupying the Mediterranean basin during the last glaciations. Understanding seed germination and plant production is essential for the management and conservation of A. pinsapo stands. The objective of this work was to investigate the effect of temperature and light on germination behavior and early seedling growth of A. pinsapo seeds from different populations. The results obtained reveal a significant influence of seed origin on germination percentage. Temperature played a critical role on germination rate, with optimal results at 15 °C. Light only significantly affected germination in seeds from Grazalema, although significant population × light and temperature x light interactions could be inferred. In relation to germination kinetics, different responses to the environmental factors tested were observed among seeds from different provenances. Globally, the temperature influenced all the germination parameters, except germination onset. However, light affected germination initiation and speed. Early seedling growth depended on seed origin and temperature. The temperature played a determinant role as temperatures above 15 °C strongly limited plantlets development. Light only significantly influenced root length in plantlets obtained from Grazalema seeds.

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Section: Discussionsupporting

confidence: 78%