Pollen Viability and Pollen-tube Growth Following Controlled Pollination and their Relation to Low Fruit Production in Teak (Tectona grandisLinn. f.)

Tangmitcharoen, Suwan; Owens, John N.

doi:10.1006/anbo.1996.0440

Cited by 42 publications

(32 citation statements)

References 39 publications

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“…Stigma receptivity lasts from a few hours to a few days, depending on the plant species (Tangmitcharoen and Owens 1997;Herrero and Arbeloa 1989). In the olive, we observed pollen grains germinating on olive stigmas when the anthers were still turgid, indicating that the stigmatic receptivity period in this species begins when the flower is fully open (stage 5).…”

Section: Discussionmentioning

confidence: 89%

Morphological, histological and ultrastructural changes in the olive pistil during flowering

et al. 2012

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Section: Discussionmentioning

confidence: 89%

Morphological, histological and ultrastructural changes in the olive pistil during flowering

et al. 2012

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“…Teak fruit size, weight and viability vary among natural provenances and seed production according to the ecological conditions (Gupta and Pattanath 1975;Indira 2003;Kaosa-ard 1986;Mathew and Vasudeva 2003;Nagarajan et al 1996;Palupi and Owens 1998;Sivakumar et al 2002;Tangmitcharoen and Owens 1997b).…”

Section: Introductionmentioning

confidence: 99%

Diversity and genetic structure of teak (Tectona grandis L.f) in its natural range using DNA microsatellite markers

et al. 2008

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Teak (Tectona grandis L.f.) is considered to be an extraordinarily durable building timber with a worldwide reputation. Its widespread use has entailed the overexploitation of natural forests and a large reduction in natural diversity. Fifteen microsatellite markers were used to study the genetic variability and structure of 166 teak trees distributed over the whole natural area of teak. Analysis showed that in the teak natural area there were four main centers of genetic variability. Two clusters were in India and could be considered as main centers of genetic diversity in teak. The third cluster mainly consisting of populations in Thailand and Laos was genetically very distinct from the Indian populations but presented only half as much allelic variability. A fourth cluster from Central Laos showed even less genetic variability. The use of SSR markers for conservation of teak forest diversity is discussed.

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“…These features are conditioned by the effectiveness of sexual propagation to a substantial degree, which in case of dioecious plants is determined by the presence of males in a population and their ability to produce viable pollen. Pollen viability and germination capacity may be used as indicators of the correctness of sexual processes and adaptive abilities of plants, which is used in planning active conservation of plant species [24,[26][27][28][29][30][31]. According to Dafni and Firmage [32], there is no single method that would be the best test to examine pollen viability in vitro.…”

Section: Discussionmentioning

confidence: 99%

Pollen viability of Salix myrtilloides L. – an endangered species in Poland

et al. 2016

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Salix myrtilloides L. (swamp willow) is the most endangered species among the boreal Salix species in Poland. The number and size of its population have been decreasing constantly since the 1990s. The main aim of the study was to determine the viability of collected S. myrtilloides pollen and optimal conditions for its in vitro germination. The pollen of S. myrtilloides was collected from 25 male individuals from a population growing in the mid-forest peat bog Dekowina (Sobibór Landscape Park) in May 2014. Two methods were applied to estimate the viability of fresh and stored pollen: staining pollen with 2% acetocarmine solution and in vitro germinability. Various temperature (11°C, 23°C) and light conditions as well as different concentrations of glucose (1%, 2.5%, 5%, or 7.5%) were tested for the optimization of in vitro germination. We documented relatively high S. myrtilloides pollen viability. Pollen tube growth was found to be largely affected by both glucose content in the medium and thermal conditions during germination. Fresh pollen germinated most effectively on the medium with 2.5% glucose (stored pollen -in 5% glucose), at 23°C and in the presence of light. We conclude that pollen viability of S. myrtilloides does not seem to be a limiting factor for reproductive success. Moreover, the pollen is not sterile even after storage for 12 months. The S. myrtilloides individuals from the Dekowina peat bog produce viable pollen grains that are able to germinate and therefore it can be used to pollinate other populations present in the Polesie Lubelskie region for gene pool enrichment.

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Pollen Viability and Pollen-tube Growth Following Controlled Pollination and their Relation to Low Fruit Production in Teak (Tectona grandisLinn. f.)

Cited by 42 publications

References 39 publications

Morphological, histological and ultrastructural changes in the olive pistil during flowering

Morphological, histological and ultrastructural changes in the olive pistil during flowering

Diversity and genetic structure of teak (Tectona grandis L.f) in its natural range using DNA microsatellite markers

Pollen viability of Salix myrtilloides L. – an endangered species in Poland

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