The Efficiency of Sticky Traps in Sampling Epidemic Populations of the Eriophyid Mite Aceria Tulipae (K.), Vector of Wheat Streak Mosaic Virus1

1959 ◽  
Vol 52 (2) ◽  
pp. 159-164 ◽  
Author(s):  
R. Staples ◽  
W. B. Allington
Keyword(s):  
Sticky Traps ◽  
Eriophyid Mite ◽  
Aceria Tulipae

The Eriophyid Mite Aceria tulipae (K.) (Acarina: Eriophyidae) and Silver Top in Grasses

1961 ◽  
Vol 93 (8) ◽  
pp. 644-647 ◽  
Author(s):  
N. D. Holmes ◽  
G. E. Swailes ◽  
G. A. Hobbs
Keyword(s):  
Chlorinated Hydrocarbons ◽  
Eriophyid Mite ◽  
Post Harvest ◽  
Aceria Tulipae ◽  
Fusarium Poae

Sterility of grasses caused by a constricted brown region, usually in the upper internode, is commonly described as silver top because of the bleached appearance of the inflorescence. Hodgkiss (1908) reported that silver top was caused by the mite, Siteroptes graminum (Reuter), in conjunction with the fungus, Fusarium poae (Pk.) Wr. Brown et al. (1952) found that in the greenhouse several chlorinated hydrocarbons controlled S. graminum. Hardison et al. (1957) reported that S. graminum in combination with F. poae was of little importance in causing silver top of cultivated grasses in western Oregon. They suggested that two thrips of the genus Aptinothrips might be the primary cause. They recommended DDT or heptachlor applied in late April or early May. They also found that post-harvest burning reduced silver top.

scholarly journals Transmission characteristics of allexiviruses by the eriophyid mite, Aceria tulipae (Keifer) (Acari: Eriophyidae) from naturally mixed infected garlic (Allium sativum L.)

2021 ◽  
Author(s):  
Faten Mansouri ◽  
Katja R. Richert-Pöggeler ◽  
Mariusz Lewandowski ◽  
Pavel Ryšánek
Keyword(s):  
Allium Sativum ◽  
Transmission Efficiency ◽  
Allium Porrum ◽  
Mixed Infections ◽  
Transmission Characteristics ◽  
Eriophyid Mite ◽  
Access Period ◽  
Aceria Tulipae ◽  
Inoculation Access Period ◽  
Mode Of Transmission

Abstract The transmission characteristics of members of the genus Allexivirus to leek (Allium porrum L.) by its eriophyid mite vector, Aceria tulipae (Keifer), were studied. Prior to conducting transmission tests, colonies of nonviruliferous A. tulipae were established on healthy leek seedlings. A single A. tulipae transmitted the viruses with up to 50 % efficiency but transmission efficiency increased when > 10 mites per plant were used. Allexiviruses were acquired by A. tulipae after a minimum acquisition access period (AAP) of 30 minutes, whereas transmission tests suggest that a one hour inoculation access period (IAP) was needed for successful transmission. Allexiviruses were transmitted from garlic to leek plants by A. tulipae and mixed infections by more than one virus were observed. ShVX, GarV-A, -C, -D, and -B were detected in most inoculated plants, whereas other members of the genus (GarV-E, -X, and GarMbFV) were found only occasionally. None of the mites that originated from eggs deposited on infected plants transmitted allexiviruses, indicating that the viruses are not transmitted transovarially. No latent period was demonstrated. Taken together, these data suggest a semipersistent mode of transmission of Allexivirus members by A. tulipae. The output of this study will assist in the better management of the vector and the associated diseases.

Ultrastructure of Plant Leaf Tissue Infected with Mite-Borne Viral-Like Pathogens

1970 ◽  
Vol 28 ◽  
pp. 178-179 ◽  
Author(s):  
O. E. Bradfute ◽  
R. E. Whitmoyer ◽  
L. R. Nault
Keyword(s):  
Triticum Aestivum ◽  
Zea Mays ◽  
Electron Microscope ◽  
Hordeum Vulgare ◽  
Microscope Study ◽  
Electron Microscope Study ◽  
Leaf Tissue ◽  
Leaf Ultrastructure ◽  
Double Membrane ◽  
Aceria Tulipae

A pathogen transmitted by the eriophyid mite, Aceria tulipae, infects a number of Gramineae producing symptoms similar to wheat spot mosaic virus (1). An electron microscope study of leaf ultrastructure from systemically infected Zea mays, Hordeum vulgare, and Triticum aestivum showed the presence of ovoid, double membrane bodies (0.1 - 0.2 microns) in the cytoplasm of parenchyma, phloem and epidermis cells (Fig. 1 ).

scholarly journals A simple standardized protocol to evaluate the reliability of seed rain estimates

2020 ◽  
pp. 1-6
Author(s):  
André J. Arruda ◽  
Fernando A.O. Silveira ◽  
Elise Buisson
Keyword(s):  
Restoration Ecology ◽  
Community Dynamics ◽  
Size Dependence ◽  
Seed Rain ◽  
Proof Of Concept ◽  
Sticky Traps ◽  
Standardized Protocol ◽  
Funnel Trap ◽  
Seed Trap ◽  
Cross Site

Abstract Seed dispersal has key implications for community dynamics and restoration ecology. However, estimating seed rain (the number and diversity of seeds arriving in a given area) is challenging, and the lack of standardization in measurement prevents cross-site comparisons. Seed trap effectiveness and accuracy of seed sorting methods are key components of seed rain estimates in need of standardization. We propose and describe a standardized protocol for evaluating the effectiveness of two seed trap types (sticky and funnel traps) and the accuracy of a seed sorting method. We used widely available seeds (arugula, quinoa, sesame and sunflower) to produce a gradient of seed size, weight and colour. Proof-of-concept was tested in a tropical grassland, where traps were set for 30 days. Our results suggest that we underestimate dispersal of seeds with less than 2 mm width that can be easily mistaken for debris and soil particles or that fail to adhere to sticky traps. Seeds on sticky traps may be more vulnerable to removal by wind and rain, whereas seeds in funnel traps are more susceptible to decay. We found no evidence of observer bias on seed sorting for funnel trap samples. However, accuracy on seed sorting for funnel trap samples tended to decline for seeds with less than 2 mm width, suggesting a size-dependence in seed retrieval success. Our standardized protocol addressing trap effectiveness and seed sorting methods will increase the reliability of data obtained in seed rain studies and allow more reliable comparisons between datasets.

Transmission of a wheat alien chromosome translocation with resistance to the wheat curl mite in common wheat, Triticum aestivum L.

1986 ◽  
Vol 28 (2) ◽  
pp. 294-297 ◽  
Author(s):  
E. D. P. Whelan ◽  
R. L. Conner ◽  
J. B. Thomas ◽  
A. D. Kuzyk
Keyword(s):  
Triticum Aestivum ◽  
Common Wheat ◽  
Triticum Aestivum L ◽  
Chromosome Translocation ◽  
Chromosome 6 ◽  
Selfed Progeny ◽  
Wheat Curl Mite ◽  
Aceria Tulipae ◽  
Group 6 ◽  
Homozygous Resistant

A translocation between a common wheat (Triticum aestivum L.) chromosome and chromosome 6 of Elytrigia pontica (Podp.) Holub conferred resistance to feeding by Eriophyes (= Aceria) tulipae Keifer, the mite vector of wheat streak mosaic virus and the wheat spot mosaic agent. Resistance was dominant, but differential transmission occurred between the pollen and the egg. Transmission of resistance through the pollen was low, about 3% in 'Cadet', 'Rescue', and 'Winalta', but significantly higher in 'Norstar' (9.1%). Significant differences also were detected in transmission through the egg. 'Cadet' had the highest transmission (50.9%) and 'Rescue' the lowest (40.5%). However, there were no significant differences among varieties in the frequencies of resistance (50.3–54.5%) in the F2. Less than 10% of the F2 plants were homozygous resistant. Selfed progeny from monosomic or disomic F1 plants from crosses between the homozygous translocation and group-6 monosomics all segregated for susceptibility. Meiotic studies of 25 susceptible F2 plants from these F1 monosomics showed that 21 were either monosomic or disomic and only 4 were nullisomic, indicating that the translocation did not involve any of the group-6 homoeologues. The translocation is considered to be a noncompensating translocation involving a whole arm of chromosome 6 of E. pontica.Key words: wheat, mite (wheat curl), translocation, Triticum.

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