Influence of pollination methods on fruit development, fruit yield and oil quality in oil tree peony

Kaiyue, Zhang; He, Chunguang; Wang, Shuaibing; Hou, Xiaogai

doi:10.1016/j.scienta.2022.110877

Cited by 11 publications

(9 citation statements)

References 29 publications

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“…Insect pollination has been extensively studied as a critical method for enhancing crop yield in modern agriculture, with cherries [15], apples [16], and tomatos [17] being notable examples. Insect pollination has been found to significantly enhance both the rate and quality of fruit development, as evidenced by similar findings in P. ostii 'Feng Dan' cultivation [18]. Furthermore, investigations on the impact of different bee species on seed yield have revealed that honey bees exhibit superior pollination efficiency compared to bumble bees [19,20].…”

Section: Introductionmentioning

confidence: 58%

A Set of Artificial Pollination Technical Measures: Improved Seed Yields and Active Ingredients of Seeds in Oil Tree Peonies

Sun,

Zhang,

Zhang

et al. 2024

Plants

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The tree peony, a novel woody oil crop extensively cultivated in China, necessitates further investigation into artificial pollination technology to enhance seed yield. In this study, we conducted artificial pollination experiments with 6-year-old Paeonia ostii ‘Feng Dan’ seedings for suitable pollen sources, pollen concentration, pollination timing, and pollination frequency. By evaluating seed yields, active ingredients, and oil quality, we derived the following significant conclusions. Firstly, compared to natural pollination, artificial pollination could significantly increase the fruit diameter by 13.94–27.58%, seed yields by 35.17–58.99%, and oil content by 6.45–7.52% in tree peonies. In active ingredients, seeds produced by pollen from Hantai County significantly enhanced starch content (by 48.64%), total phenols (by 41.18%) and antioxidant capacity (by 54.39%). In oil quality, seeds produced by pollen from Heyang County exhibited the highest α-linolenic acid and total fatty acid content with enhancements of 1.68%, 7.41%, and 8.48%. Secondly, hand pollination with pure pollen significantly increased seed yield by 58.99%, total phenol content by 40.97%, antioxidant capacity by 54.39%, and oil content by 1.53% compared to natural pollination. Thirdly, pollination at 2/3 bloom range significantly increased seed number by 63.08% and yield by 45.61% compared to natural pollination. Finally, the effect of one, two, and three pollination events had no difference in seed yield. So, to summarize, applying a 100% concentration of allochthonous pollen once is recommended when the bloom range is more than two thirds.

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Section: Introductionmentioning

confidence: 58%

A Set of Artificial Pollination Technical Measures: Improved Seed Yields and Active Ingredients of Seeds in Oil Tree Peonies

Sun,

Zhang,

Zhang

et al. 2024

Plants

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“…In our preliminary study, the result showed that the seed rate and the growth rate of P. ostii were significantly improved by supplementing the A. mellifera and the B. terrestris during the flowering period in the pollination net room, which conveyed that they were both considered to be the effective pollinators of oil tree peony [37,38,44,49,50]. We measured pollen deposition per visit and compared the pollen transfer efficiency of the two species of bees in this study, and the result showed that the A. mellifera was the most effective pollinator.…”

Section: Discussionmentioning

confidence: 88%

Comparison of Pollen-Collecting Abilities between Apis mellifera L. and Bombus terrestris L. in the Oil Tree Peony Field

Bao

Zhang

et al. 2023

Horticulturae

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The lack of pollinators in the oil tree peony field was a serious problem for the seed yield. In the preliminary studies, we found that the seed rate of oil tree peonies was significantly improved by supplementing bees during the flowering stages in the pollination net room. In addition, the performance of Apis mellifera L. was better than Bombus terrestris L. To understand the interaction relationship between flowering characteristics and the managed bees, and the pollen-collecting ability of different species of bees, the flowering traits and the pollen loaded on bees were measured in this study. We found that the bees visited flowers with preference and they prefer to forage the flowers having pollen with higher viability. The B. terrestris carried more pollen (27,000.00 ± 5613.70 grains) on the body surface than that of the A. mellifera (7690.00 ± 2873.26 grains). The A. mellifera outperformed B. terrestris both in pollen deposition per visit on the stigma and on the pollen transfer efficiency. The viability of pollen on the body surface (67.77% ± 19.06%) and hind legs (92.02% ± 10.74%) of A. mellifera were both significantly higher than that of B. terrestris (31.84% ± 4.84% and 83.77% ± 6.40%). Our study indicated that the quantity and quality of pollen loaded on stigma by A. mellifera were both better than B. terrestris, which provided evidence that the A. mellifera was the effective pollinator pollinating for the oil tree peony in the pollination net room.

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“…Plants flower in mid‐April, with large (12–14 cm), fragrant, white to pink flowers that produce much pollen. The bees, Apis mellifera and Bombus terrestris , are the main pollinators (He et al., 2019; Zhang, He, et al., 2022). The flowers are protandrous.…”

Section: Methodsmentioning

confidence: 99%

“…Seed set with A. mellifera as the pollinator was 70.02%, while that by self‐pollination (bagged with sulphate paper bags) was only 3.65%, that is, the species is almost totally self‐incompatible (He et al., 2019). Most fruits mature in early August, and each follicle contains 20–40 seeds (Hong et al., 2001; Zhang, He, et al., 2022).…”

Section: Methodsmentioning

confidence: 99%

Paternal intergenerational plasticity in the plant species Paeonia ostii: Implications for parental fitness and offspring performance

Zhang,

Ji,

Yao

et al. 2024

Functional Ecology

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While there is long‐standing interest in the role of inter‐ and transgenerational plasticity via the maternal line, it rarely has been studied via the paternal line. Thus, consequences of the paternal environment for parental fitness and for performance of offspring in the environments experienced by either fathers or mothers are not known. We studied the intergenerational plasticity (IGP) of the plant species Paeonia ostii (Paeoniaceae) and tested the hypothesis that exposure of fathers to environmental stress (i) reduces parental fitness and performance of offspring grown under non‐stressful conditions, but (ii) mitigates the negative effects of environmental stress on fitness of parents and performance of offspring. Crosses were made in a greenhouse within six families of P. ostii between parents grown under drought and in a mesic environment, and the offspring of each cross were grown under both dry and mesic conditions. Production and germination of seeds and morphological and physiological traits of offspring were measured as indicators of parental fitness and offspring performance, respectively. Paternal drought decreased seed number per fruit, except when maternal plants also were grown in drought conditions. Offspring drought decreased seedling performance. However, when fathers experienced drought this negative effect on the offspring was partly mitigated, in particular when mothers also had experienced drought. In contrast, offspring grown in mesic conditions had improved seedling performance, especially when either parent (or both) also were grown in mesic conditions. Such statistical differences remained when seed mass was included as a covariate. Overall, paternal pollen of P. ostii mediated IGP to drought almost as well as it did for maternal ovules. IGP was adaptive if environments remained constantly dry across generations but maladaptive if environments changed. Hence, under future climate changes, paternal IGP might be both a blessing and a curse, with the blessing occurring when the focal habitat becomes drier and pollen comes from already‐dry places, while the curse may dominate in predictably moist habitats surrounded by drier habitats. Read the free Plain Language Summary for this article on the Journal blog.

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Influence of pollination methods on fruit development, fruit yield and oil quality in oil tree peony

Cited by 11 publications

References 29 publications

A Set of Artificial Pollination Technical Measures: Improved Seed Yields and Active Ingredients of Seeds in Oil Tree Peonies

A Set of Artificial Pollination Technical Measures: Improved Seed Yields and Active Ingredients of Seeds in Oil Tree Peonies

Comparison of Pollen-Collecting Abilities between Apis mellifera L. and Bombus terrestris L. in the Oil Tree Peony Field

Paternal intergenerational plasticity in the plant species Paeonia ostii: Implications for parental fitness and offspring performance

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