The effects of pollinizers on pollen tube growth and fruit set of European plum (Prunus domestica L.) in a Nordic climate

Cerović, R.; Akšić, Milica Fotirić; Đorđević, M.; Meland, Mekjell

doi:10.1016/j.scienta.2021.110390

Cited by 13 publications

(19 citation statements)

References 46 publications

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“…The obtained results for the germination of freshly collected pollen of genotype ' Čačanska Lepotica' are in agreement with the results from other authors for this genotype [34,35], but this value is higher than reported in the previous study [36], probably due to the fact that in the earlier work the constant temperature during pollen germination was lower. Pollen germination of the other two genotypes 'Valerija' and 'Valjevka' was above 40%, and according to Wertheim [37], these are considered genotypes with good pollen germination rates.…”

Section: Pollen Viability After Different Storage Periods and Tempera...supporting

confidence: 91%

“…Recent studies investigating the effect of pollinizers on pollen tube growth in the European plum revealed that the best dynamics are achieved in cross-pollination variants [35,36,50]. The results obtained in this work are in accordance with these findings.…”

Section: Pollen Germination In Vivosupporting

confidence: 91%

“…A strong correlation between the number of pollen tubes in the upper third of the style and pollen germination in vitro was reported in sweet [45] and sour cherry [46], which decreases with the increased distance from the stigma. On the other hand, in plum, [35] no such correlation was found, which was explained by different conditions for pollen tube growth.…”

Section: Pollen Germination In Vivomentioning

confidence: 81%

“…Results of some studies [39] indicate that the concentration of some carbohydrates such as sucrose and starch increases in pollen due to the reduction of the metabolism under heat stress. Interaction between exogenous and endogenous factors during pollen grain development may affect its capacity to germinate [35].…”

Section: Pollen Viability After Different Storage Periods and Tempera...mentioning

confidence: 99%

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In Vitro and In Vivo Performance of Plum (Prunus domestica L.) Pollen from the Anthers Stored at Distinct Temperatures for Different Periods

Đorđević¹,

Vujović²,

Cerović

et al. 2022

Horticulturae

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A study was conducted to investigate the effect of different storage periods and temperatures on pollen viability in vitro and in vivo in plum genotypes ‘Valerija’, ‘Čačanska Lepotica’ and ‘Valjevka’. In vitro pollen viability was tested at day 0 (fresh dry pollen) and after 3, 6, 9 and 12 months of storage at four different temperatures (4, −20, −80 and −196 °C), and in vivo after 12 months of storage at distinct temperatures. In vitro germination and fluorescein diacetate (FDA) staining methods were used to test pollen viability, while aniline blue staining was used for observing in vivo pollen tube growth. Fresh pollen germination and viability ranged from 42.35 to 63.79% (‘Valjevka’ and ‘Čačanska Lepotica’, respectively) and 54.58 to 62.15%, (‘Valjevka’ and ‘Valerija’, respectively). With storage at 4 °C, pollen viability and germination decreased over the period, with the lowest value after 12 months of storage. Pollen germination and viability for the other storage temperatures (−20, −80 and −196 °C) were higher than 30% by the end of the 12 months. Pollination using pollen stored at 4 °C showed that pollen tube growth mostly ended in the lower part of the style. With the other storage temperatures, pollen tube growth was similar, ranging between 50 and 100% of the pistils with pollen tubes penetrated into the nucellus of the ovule in the genotype ‘Čačanska Lepotica’. The results of these findings will have implications for plum pollen breeding and conservation.

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Section: Pollen Viability After Different Storage Periods and Tempera...supporting

confidence: 91%

Section: Pollen Germination In Vivosupporting

confidence: 91%

Section: Pollen Germination In Vivomentioning

confidence: 81%

Section: Pollen Viability After Different Storage Periods and Tempera...mentioning

confidence: 99%

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In Vitro and In Vivo Performance of Plum (Prunus domestica L.) Pollen from the Anthers Stored at Distinct Temperatures for Different Periods

Đorđević¹,

Vujović²,

Cerović

et al. 2022

Horticulturae

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“…However, the FS percentage varied from 17.757 to 34.792% in this study. Therefore, FS was probably affected by plantation phenological conditions, such as rainfall, temperature, and the ‘on-and-off-year’ phenomenon (Mattson, 1978; Cerović et al ., 2021). B.bassiana122077 caused the highest percentage of FS (34.792%), probably because this strain efficiently prevented and controlled inflorescence pests.…”

Section: Discussionmentioning

confidence: 99%

The effect of spraying bacterial and fungal solutions on Korean pine Pinus koraiensis Sieb. et Zucc. cone development and seed quality when sprayed during the flowering phase

Wang

Chen²,

Jia³

et al. 2022

Bull. Entomol. Res.

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Korean pine is an economically essential afforestation species limited by the unreasonable collection of cones, indiscriminate use of chemical pesticides and pest damage. This study aimed to determine whether spraying bacterial or fungal solutions affected insect pests, cone development, and the seed quality of Korean pine Pinus koraiensis Sieb. et Zucc. The experiment was conducted in a forest plantation in Linkou County (Heilongjiang, China) in 2019. Four fungal strains and one bacterial strain were applied during the flowering phase of Korean pine. The results after a year and a half of study indicated that a high concentration of Bacillus thuringiensis 223176 promoted cone development, increased seed weight, and reduced the proportion of damaged cones. Under this treatment, there were 15.873% damaged cones; the seed weight reached 0.829 g, and there were 82.738% fully developed cones. Trees treated with the second most effective strain, Beauveria bassiana 122077, had 30.556% damaged cones and an average seed weight of 0.810 g. Leucanicillium antillanum 01 performed the worst in this study. The seed weight was only 0.775 g, and the damaged and fully developed cones were 52.444 and 41.773%, respectively. In summary, spraying bacterial or fungal solutions during the flowering stage of Korean pine positively impacted seed quality and effectively decreased damage by the lepidopteran species that feed on the cones and seeds in this study.

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Cooler Is Better: The Role of Temperature in the Reproductive Biology of Persian Walnut (Juglans regia L.) Studied in a Hungarian-Bred Cultivar

Fotirić Akšić,

Ercisli,

Meland

et al. 2024

Applied Fruit Science

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The aim was to determine the growth of pollen tubes throughout the transmitting tissue and the process of fertilization in open, optimal and over pollination on the 3rd, 6th and 9th day after pollination of pistillate flowers, together with apomixis. The experiment was carried out over 2 years in Lovasberény, Fejér district, Hungary, which differed in temperature conditions. The average number of pollen tubes in the locule of the ovary was significantly higher in 2017 (1.3%) than in 2019 (1%). A higher percentage of fruit set was recorded in 2017 compared to 2019. The percentage of apomictic fruits from variant of unpollination was higher in 2017 (10%) than in 2019 (3.7%). Based on these results it can be concluded that pollen tube growth and post-fertilization processes together with apomixis of cultivar ‘AK’ are better adaptable to lower temperatures. These findings may help us to move walnut production to the north or to higher altitudes, where the climate is more continental.

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The effects of pollinizers on pollen tube growth and fruit set of European plum (Prunus domestica L.) in a Nordic climate

Cited by 13 publications

References 46 publications

In Vitro and In Vivo Performance of Plum (Prunus domestica L.) Pollen from the Anthers Stored at Distinct Temperatures for Different Periods

In Vitro and In Vivo Performance of Plum (Prunus domestica L.) Pollen from the Anthers Stored at Distinct Temperatures for Different Periods

The effect of spraying bacterial and fungal solutions on Korean pine Pinus koraiensis Sieb. et Zucc. cone development and seed quality when sprayed during the flowering phase

Cooler Is Better: The Role of Temperature in the Reproductive Biology of Persian Walnut (Juglans regia L.) Studied in a Hungarian-Bred Cultivar

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