Development of a vegetative propagation protocol for<i>Asclepias tuberosa</i>

Lewis, Mary; Chappell, Matthew; Thomas, Paul A.; Zhang, Donglin; Greyvenstein, Ockert

doi:10.3368/npj.21.1.27

Cited by 5 publications

(5 citation statements)

References 7 publications

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“…IBA was also previously reported to be able to initiate root formation in stem cuttings of plants belonging to the Apocynaceae family, such as Carissa grandiflora ( Al-Mizory 2006 ), Holarrhena pubescens ( Baul et al . 2010 ), Carissa carandas ( Tanuja & Rana 2018 ) and Asclepias tuberosa ( Lewis et al . 2020 ).…”

Section: Discussionmentioning

confidence: 99%

Vegetative Propagation of Hoya imperialis and Hoya coronaria by Stem Cutting and Micropropagation

Don

Hamid

Taha

et al. 2021

TLSR

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Hoya imperialis (H. imperialis) and H. coronaria (Apocynaceae) are known to have ornamental value due to their beautiful flowers; however, the feasibility of propagating these plants have not been reported despite the wild populations in Brunei Darussalam being highly threatened due to habitat loss and overcollection. Thus, the present study aimed to conduct a preliminary study of the feasibility of two alternative propagation methods, stem cutting and micropropagation, as a potential approach for their ex situ conservation. Hoya stem cuttings were treated with either indole-3-butyric acid (IBA) or 1-naphthaleneacetic acid (NAA) (0–2000 mg/L), and then propagated onto a mixture of peat moss and perlite. For micropropagation, Hoya leaf explants were cultured onto Murashige and Skoog (MS) agar media that were supplemented with IBA and/or kinetin (KN) (0–10.0 mg/L). This present study shows that both Hoya species were successfully propagated by stem cutting even without hormone treatment. However, interestingly, in H. imperialis, when compared with control, the mean number of new leaves (6.3 ± 1.0) and the mean relative growth rate (RGR) based on stem diameter (0.004 ± 0.0007 cm cm−1 day−1) significantly increased when treated with 500 mg/L NAA and 2000 mg/L IBA, respectively. Meanwhile, in H. coronaria, significantly higher mean number of roots was achieved by treating with 1000 mg/L NAA (16.6 ± 1.4) or 2000 mg/L IBA (17.5 ± 2.7) compared with control. For micropropagation, callus induction was not promising and could only be observed at specific concentrations of both IBA and KN, with H. imperialis appearing to be more responsive towards these hormones in comparison to H. coronaria. The present study showed that stem cutting appeared more feasible in propagating both Hoya species.

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Section: Discussionmentioning

confidence: 99%

Vegetative Propagation of Hoya imperialis and Hoya coronaria by Stem Cutting and Micropropagation

Don

Hamid

Taha

et al. 2021

TLSR

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“…Those offers suggested that planting of favored non-native hosts could have the unintended consequence of facilitating the spread of non-native, non-Apis bees in urban areas. As improved propagation methods facilitate breeding and production (Lewis et al, 2020) and our understanding of the influence of cultivars vs. species increases (Poythress and Affolter, 2018), more native plant species and cultivars will become available in the ornamental plant trade that have been bred specifically to attract and support pollinators. Currently there are a great many ornamental plant cultivars available on the market, yet there is little empirical information available to guide consumer choice regarding attractiveness to pollinators (Garbuzov and Ratnieks, 2014;Rollings and Goulson, 2019).…”

Section: Introductionmentioning

confidence: 99%

Pollinator cultivar choice: An assessment of season-long pollinator visitation among coreopsis, aster, and salvia cultivars

Braman

Pennisi

Fair

et al. 2022

Front. Sustain. Cities

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Documented pollinator declines have encouraged the installation of pollinator plantings in residential, commercial and agricultural settings. Pollinator visitation among cultivars of coreopsis, salvia and asters was compared on 40 dates in a 2-year study resulting in 6,911 pollinator observations across all plant taxa with bees, butterflies and syrphids well-represented. Diversity of insect visitors was represented differently within the broad plant taxa salvia, coreopsis and asters. The most frequent visitors to coreopsis were the small bees with over 77% of visitors falling into this category. Salvia was most frequently visited by honey bees (36.4%) and carpenter bees (24%), although all the groups were represented. Syrphids were the group most commonly observed on asters (58.5%) with nearly 40% of the visitors being bee species. Nectar analysis was performed on salvia cultivars. However, differential attraction of pollinators to salvia cultivars could not be explained by volume of nectar produced per plant. Results from our cultivar comparisons provide data-based information to assist consumers in plant choice and present opportunities for future plant-specific pollinator census initiatives across a broader geographic range.

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“…The native distribution of the species extends from Ontario to Newfoundland in Canada, south to Florida, and west to Colorado. It is perhaps best known for the vital role it plays as a forage source for larval monarch (Danaus plexippus L.) butterflies (Hutchings 1923;Lewis et al 2020). Additionally, A. tuberosa is highly drought-tolerant and possesses a prolonged flowering and seed production season (Lewis et al 2020).…”

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confidence: 99%

“…It is perhaps best known for the vital role it plays as a forage source for larval monarch (Danaus plexippus L.) butterflies (Hutchings 1923;Lewis et al 2020). Additionally, A. tuberosa is highly drought-tolerant and possesses a prolonged flowering and seed production season (Lewis et al 2020). These attributes make it highly desirable for use in restoration and landscaping.…”

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confidence: 99%

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Do Not Keep It in the Dark: How Shading and Other On-farm Management Decisions Influence Seed Production and Quality of Asclepias tuberosa L.

Tevlin

Davidson

Osmani

et al. 2023

horts

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Demand for butterfly milkweed (Asclepias tuberosa L.) has increased in recent years. However, seed production practices are not well-defined. We partnered with a wildflower seed producer to investigate the effects of weed barrier cloth, plot shading, mature follicle harvest timing, and dry–cold stratification on seed production and germination. Weed cloth had no impact on seed production. However, shading decreased the number of seeds produced by 1.2- to 9.6-fold. Seeds harvested in July and August showed 2.9- and 2.3-fold improvements in total germination and more uniform and rapid germination compared with September-collected seeds. Conversely, seeds exposed to dry–cold stratification displayed a 3.0-fold reduction in the germination rate compared with nonstratified seeds. Our results indicate that the production system significantly impacts seed production and quality of A. tuberosa. Seed producers can use weed barrier cloth to facilitate seed collection from shattering follicles and suppress weeds without a considerable loss of seed production. However, plants should not be grown under conditions of additional shade. Furthermore, high-quality A. tuberosa seeds can be collected earlier in the year, but they should not be subjected to dry–cold stratification.

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Development of a vegetative propagation protocol forAsclepias tuberosa

Cited by 5 publications

References 7 publications

Vegetative Propagation of Hoya imperialis and Hoya coronaria by Stem Cutting and Micropropagation

Vegetative Propagation of Hoya imperialis and Hoya coronaria by Stem Cutting and Micropropagation

Pollinator cultivar choice: An assessment of season-long pollinator visitation among coreopsis, aster, and salvia cultivars

Do Not Keep It in the Dark: How Shading and Other On-farm Management Decisions Influence Seed Production and Quality of Asclepias tuberosa L.

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