Evaluation of Rosa Species Accessions for Resistance to Eriophyid Mites1

Solo, Katherine M.; Collins, Sara; Schneider, Liesel G; Hajimorad, M. R.; Hale, Frank A.; Wilkerson, J. B.; Windham, Alan S.; Byrne, David; Windham, Mark T.

doi:10.24266/0738-2898-37.4.108

Cited by 2 publications

(3 citation statements)

References 12 publications

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“…Counting eriophyid mites is a time-intensive process, particularly when processing large number of samples from heavily infested plants. The short life cycle (approximately 7 d) of eriophyids is conducive to rapid and large population increase, that compelled researchers to evaluate new methods for population estimation using standardized grids to count mites per unit (Fournier et al 2004, Chandrashekar et al 2020) or counting extracted mites in aliquots (Siriwardena et al 2005, Solo et al 2019. Furthermore, nondestructive methods with minimal damage to plants are convenient for monitoring mites in commercial production systems (Moerkens et al 2018) and research purposes (Sircom 2000).…”

Section: Discussionmentioning

confidence: 99%

“…For its presence-absence (binomial sampling, Hall et al 2007), direct counts using a hand lens are appropriate (Hoy 2011). However, to estimating populations, counting methods based on extraction techniques such as sticky tapes, leaf brushing, washing-and-sieving, and centrifugation are broadly accepted (Harvey and Martin 1988, Perez-Moreno and Moraza-Zorilla 1998, Davies et al 2002, Faraji et al 2004, Monfreda et al 2007, Shanini et al 2009, McCarren and Scott 2013, Solo et al 2019). Nonetheless, using such conventional approaches are inadequate for counting tiny mites such as Eriophyidae, especially from sticky hemp leaves with glandular hairs.…”

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confidence: 99%

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A Novel Approach to TallyAculops cannabicola(Acari: Eriophyidae) for Field and Laboratory Studies

Falcón-Brindis

Villanueva

Viloria

et al. 2023

Journal of Economic Entomology

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The hemp russet mite, Aculops cannabicola (Farkas) is a key pest of hemp (Cannabis sativa L.). Given its microscopic size, estimating the size of its populations can be a major limitation to control this pest. Here, we describe a method to count A. cannabicola using photographs taken with a handheld digital microscope. We compared the consistency and strength of the relationship between photographic- and microscope-based counts of mites from infested plants. Among the three sections of the leaflet, the maximum consistency levels were observed in the proximal (50%) and middle photographs (50%). However, it reached from 64% to 100% when the three sections were considered. Photographic and a microscope-based counts were positively correlated (>0.7). A single photograph can be a good predictor of the total mites per leaflet, however, using two pictures (proximal and middle sections) will increase the consistency of the abundance of A. cannabicola per leaflet. A minimum of 22 leaflets per sampling event can support a strong correlation between the microscope and photographic counts. Our method requires low budget and training and takes short time (0.4 to 1.3 min per leaflet) to count mites per sample. Additionally, photographs can be stored on a smartphone, computer, or tablet, allowing users to share, store and process the photos. This method simplifies counts of A. cannabicola on hemp for research purposes and provides a practical tool for growers to assess mite populations for management decisions. In addition, it may be useful for monitoring eriophyid mites on cultivated plants.

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Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 99%

A Novel Approach to TallyAculops cannabicola(Acari: Eriophyidae) for Field and Laboratory Studies

Falcón-Brindis

Villanueva

Viloria

et al. 2023

Journal of Economic Entomology

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“…Mite reproduction studies on 32 modern rose cultivars have shown that modern roses are good hosts for Pf [ 6 , 19 , 30 ], although additional work with greater genetic diversity of rose cultivars is necessary to assess the resistance of cultivated roses to the mite vector. In contrast, Pf was not able to reproduce on two rose species accessions ( R. bracteata and R. carolina ) or plants from related genera in the Rosaceae family.…”

Section: Introductionmentioning

confidence: 99%

Field Resistance to Rose Rosette Disease as Determined by Multi-Year Evaluations in Tennessee and Delaware

et al. 2023

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Rose rosette disease (RRD) caused by the rose rosette emaravirus (RRV) and transmitted by the eriophyid mite Phyllocoptes fructiphilus (Pf), both native to North America, has caused significant damage to roses over the last several decades. As cultural and chemical control of this disease is difficult and expensive, a field trial was established to systematically screen rose germplasm for potential sources of resistance. One hundred and eight rose accessions representing the diversity of rose germplasm were planted in Tennessee and Delaware, managed to encourage disease development, and evaluated for symptom development and viral presence for three years. All major commercial rose cultivars were susceptible to this viral disease to varying levels. The rose accessions with no or few symptoms were species accessions from the sections Cinnamomeae, Carolinae, Bracteatae, and Systylae or hybrids with these. Among these, some were asymptomatic; they displayed no symptoms but were infected by the virus. Their potential depends on their ability to serve as a source of viruses. The next step is to understand the mechanism of resistance and genetic control of the various sources of resistance identified.

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Evaluation of Rosa Species Accessions for Resistance to Eriophyid Mites1

Cited by 2 publications

References 12 publications

A Novel Approach to TallyAculops cannabicola(Acari: Eriophyidae) for Field and Laboratory Studies

A Novel Approach to TallyAculops cannabicola(Acari: Eriophyidae) for Field and Laboratory Studies

Field Resistance to Rose Rosette Disease as Determined by Multi-Year Evaluations in Tennessee and Delaware

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