Field Note: Emamectin Benzoate Reduces Defoliation by &lt;I&gt;Choristoneura occidentalis&lt;/I&gt; Freeman (Lepidoptera: Tortricidae) on Three Host Species

Fidgen, Jeffrey G.; Kittelson, Neal T.; Eckberg, Tom; Doccola, Joe; Randall, Carol Bell

doi:10.5849/wjaf.12-036

Cited by 5 publications

(4 citation statements)

References 16 publications

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“…[46] Norway maple Acer platanoides L. [127] Queensland Brush Box. Studies have shown that conifers are susceptible to various pest pressures [2,41,133,134] and nematodes [135][136][137]. Furthermore, as tree height can hinder the use of foliar product applications, endotherapy is a viable alternative.…”

Section: Ashmentioning

confidence: 99%

“…Pinus massoniana [136] Pinus thunbergii [135,138] Pinus pinaster Aiton [137] Pinus ponderosa, Pinus contorta, Picea engelmannii [133] Pinus densiflora [139] Pinus pinea L. [140] Japanese Cedar Cryptomeria japonica [141,142] Eastern Hemlock Tsuga canadensis Carrière [143] Hemlock Tsuga spp. [41] Grand fir, Douglas-fir, alpine fir [2] Cedar of Lebanon Cedrus libani [13] Norway spruce Picea abies (L.) Karst. [134] Since ornamental trees are typically planted in urban areas, endotherapy has been considered an important technique to prevent environmental contamination [81].…”

Section: Pinementioning

confidence: 99%

“…Endotherapy can be used in angiosperms such as deciduous, ornamental, and fruit trees and gymnosperms such as conifers. It is an alternative method to apply pesticides, nutrients, fertilizers, and phytohormones [1][2][3][4][5][6][7]. This phytosanitary treatment can replace conventional techniques such as spraying, fumigation, and/or soil drenches [8].…”

Section: Introductionmentioning

confidence: 99%

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Vegetative Endotherapy—Advances, Perspectives, and Challenges

Ferreira,

Esparraguera,

Queiroz

et al. 2023

Agriculture

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Vegetative endotherapy has shown satisfactory results in replacing conventional techniques for crop production material applications, such as spraying or via soil, in trees of perennial species. This review presents an overview of concepts and classifications for existing injection methods and covers applications from articles published in the last eighteen years on endotherapeutic techniques. An Excel interactive dashboard as supplementary material with data segmentation and filters to facilitate understanding of the data is provided. The indicators more relevant to researchers and producers, including the tree species evaluated, which were deciduous trees (24%), conifers (11%), ornamental (11%), and fruit trees (54%), are outlined. The most used products were insecticides, fungicides, and antibiotics, which are discussed. Pressurized and nonpressurized technologies were evaluated based on trunk opening, interface, and injection methods. And finally, an approach to good practices in precision agriculture is also discussed.

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Section: Ashmentioning

confidence: 99%

Section: Pinementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Vegetative Endotherapy—Advances, Perspectives, and Challenges

Ferreira,

Esparraguera,

Queiroz

et al. 2023

Agriculture

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“…This method allows the administration of many plant protection products, whether the characteristics of the injected product are compatible (or not) with apoplastic transport to achieve good absorption and minimize phytotoxic effects (Berger and Laurent 2019). This type of application also protects the active substances from UV or external biodegradation (Berger and Laurent 2019) as well as increasing their persistence (Doccola and Wild 2012, Fidgen et al 2013). The injection of synthetic chemical pesticides has been shown to be effective in several biological models such as apple tree (Aćimović et al 2014), avocado tree (Byrne et al 2020), and date palm (Khalaf and Alrubeai 2016).…”

Section: Introductionmentioning

confidence: 99%

Essential Oil Trunk Injection Into Orchard Trees: Consequences on the Performance and Preference of Hemipteran Pests

Denoirjean

Belhassen

Doury

et al. 2023

Journal of Economic Entomology

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Apples and pears are among the most widely cultivated fruit species in the world. Pesticides are commonly applied using ground sprayers in conventional orchards; however, most of it will not reach the target plant, increasing the contamination of nontarget organisms such as natural predators, pollinators, and decomposers. Trunk injection is an alternative method of pesticide application that could reduce risks to beneficials and workers. Essential oils represent a ‘green’ alternative to pesticides due to their reported insecticidal, antimicrobial, antiviral, nematicidal, and antifungal properties. The aim of this study was, therefore, to evaluate the impact that the injection of a cinnamon essential oil solution into the trunk of apple and pear trees could have on their respective pests, Dysaphis plantaginea and Cacopsylla pyri, respectively. The feeding behavior (preference), the life history traits (performance), and the timing of this effect were measured. The injection of an essential oil emulsion in trees impacted hemipteran host-plant colonization, as for both species a modification of their preference and of their performance was observed. The feeding behavior of D. plantaginea was altered as a significantly lower proportion of aphids ingested phloem sap on injected trees, suggesting that the aphids starved to death. On the contrary, the feeding behavior of the psyllids was little changed compared to the control condition, implying that the observed mortality was due to intoxication. The results presented here could theoretically be used to control these two orchard hemipteran pests, although the effectiveness in real conditions still has to be demonstrated.

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