Wood Ash Potential for Colorado Potato Beetle Control

Boiteau, Gilles; Singh, Ravi P.; McCarthy, Peter C.; MacKinley, Pamela

doi:10.1007/s12230-012-9234-7

Cited by 9 publications

(14 citation statements)

References 15 publications

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“…Satisfactory contact efficacy was also achieved by applying wood ash. The effect of wood ash is similar to that of hydrated lime, as both substances cause dehydration of cuticle and blocking of airways (Boiteau et al, 2012). Prior (1985) reported that slugs are extremely susceptible to dehydration due to evaporative water loss across their integument and lung surface, and through deposition of their slime trail.…”

Section: Discussionmentioning

confidence: 90%

Is a combination of different natural substances suitable for slug (Arion spp.) control?

Laznik

Trdan

2016

Span. j. agric. res.

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In a laboratory study we investigated the contact and barrier efficacy of different natural substances (wood ash, sawdust, hydrated lime, and diatomaceous earth) against slugs of the genus Arion, an important agricultural pest. Natural substances were tested individually and in combination with each other. The experiment was carried out in plastic petri dishes and in glass insectaria. Moistened tampons and fresh leaves of lettuce were placed into both experimental arenas. The slugs were starved for 48 hours prior to the experiment. Six categories of behaviour were identified for slugs in the presence of the natural substances: (1) slug survived the experiment, (2) slug died during the experiment, (3) slug crossed the barrier, (4) slug did not cross the barrier, (5) slug fed on the lettuce, and (6) slug did not feed on the lettuce. The effect of different treatments (natural substances) was significant. The results of our study have shown that hydrated lime had the best contact efficacy on slugs (the mortality of slugs was 100%), both individually and in combination with other substances. The treatments with hydrated lime also proved to be the most efficient barrier preventing slugs from feeding on lettuce. Hydrated lime shows great potential in Arion control in our investigation; however, further research is needed to investigate the practical value (how to avoid the problem when the substance becomes wet), safety and economics of hydrated lime used in this way.

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Section: Discussionmentioning

confidence: 90%

Is a combination of different natural substances suitable for slug (Arion spp.) control?

Laznik

Trdan

2016

Span. j. agric. res.

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“…countries, and wood ash has been successfully used to reduce CPB populations (Boiteau et al, 2012). In a previous study (Tremblay et al, 2005), applications of limestone dust as a soil additive reduced the extent of soil fungi infections.…”

Section: Adults (Imago)mentioning

confidence: 99%

“…Several alternative plant protection methods can be used for the suppression of organisms that are harmful to potatoes. Wood ash has been shown to be efficient against CPB (Boiteau et al, 2012), since it serves as a physical barrier. In our case, we used limestone dust as a physical barrier.…”

Section: Introductionmentioning

confidence: 99%

The efficacy of environmentally acceptable products for the control of major potato pests and diseases

Bohinc

Vučajnk

Trdan

2019

Zemdirbyste-Agriculture

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From 2015-2016, different environmentally acceptable products for the control of harmful organisms, including the Colorado potato beetle (Leptinotarsa decemlineata), wireworms (Agriotes spp.), early blight (Alternaria solani) and late blight (Phytophthora infestans), were tested on potatoes. To control the Colorado potato beetle, was tested the efficacy of limestone dust at two concentrations, 345 and 690 kg ha -1 . Brassica pellets (200 g m -2 ) and calcium cyanamide (1000 kg ha -1 ) were tested against wireworms. Tincture of propolis and propolis glycolic extract (mentioned as propolis) at 5 and 10 ml 1 -1 H 2 O was tested against early and late blight. All of these products were combined into four treatments. Treatment 1 included treatments with limestone dust (690 kg ha -1 ), Brassica pellets and propolis (10 ml 1 -1 H 2 O). Treatment 2 included treatments with limestone dust (345 kg ha -1 ), calcium cyanamide (1000 kg ha -1 ) and propolis (5 ml 1 -1 H 2 O). Treatment 3 was positive control -use of registered phytopharmaceutical plant protection method, and treatment 4 was negative control (untreated plots). The inspection of all developmental stages: egg clusters, first and second instar larvae after hatching (L1-L2), and third and fourth instar larvae after hatching (L3-L4, adults), of the Colorado potato beetle was performed. After harvest, the tuber yield was evaluated. The evaluation of the yield was conducted on the small, medium and large tubers. The amount of damage caused by wireworms on the potato tubers was also detected in the different tubers. Calcium cyanamide was more effective than Brassica pellets against wireworms, whereas at a dose of 10 ml 1 -1 H 2 O, propolis was proven to be a good alternative for the management of early and late blight under unfavourable weather conditions for an epidemic outbreak. In 2016, the potato tuber yield in all three treatments was significantly higher than that in the untreated plots.With the combination of the tested products, promising alternative control strategies for future potato production systems might be obtained, which will be suitable for farming under changing climate conditions with a very narrow spectrum of registered phytopharmaceutical plant protection products.

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“…Assays in laboratories identified the usage of wood ash as a possible compound for CPB management due to its toxicity against adults and larval stages [38]. When exposing beetles permanently to wood ash for up to 10 days, all beetles of all stages were killed.…”

Section: Physical and Mechanical Controlmentioning

confidence: 99%

“…The decreasing efficacy after repeated usage as well as the decreasing activity in the field within moist environments were the main detected problems. Nevertheless, the author of the study suggested that thick layers of ash applied as strips around the base of potato plants could act as a physical barrier like a fence, limiting big colonization of beetles as CPBs avoid crossing it [38].…”

Section: Physical and Mechanical Controlmentioning

confidence: 99%

Alternatives to Synthetic Insecticides in the Control of the Colorado Potato Beetle (Leptinotarsa decemlineata Say) and Their Environmental Benefits

2020

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In this study, we review the wide range of alternative control methods used to this day to control the Colorado potato beetle (Leptinotarsa decemlineata Say), the biggest potato pest globally. We further categorize and highlight the advantages and disadvantages of each method by comparing them to conventional insecticides. In a second step, we point out the current knowledge about positive and negative impacts of using alternative control methods. By this, we illustrate how alternative control methods, farmers’ activities, and environmental factors (e.g., biodiversity and ecosystem health) are heavily linked in a cycle with self-reinforcing effects. In detail, the higher the acceptance of farmers to use alternative control methods, the healthier the ecosystem including the pest’s enemy biodiversity. The following decrease in pest abundance possibly increases the yield, profit, and acceptance of farmers to use less conventional and more alternative methods. Overall, we try to balance the positive and negative sides of alternative control methods and combine them with current knowledge about environmental effects. In our view, this is a fundamental task for the future, especially in times of high species loss and increasing demand for environmentally friendly agriculture and environmentally friendly products.

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Wood Ash Potential for Colorado Potato Beetle Control

Cited by 9 publications

References 15 publications

Is a combination of different natural substances suitable for slug (Arion spp.) control?

Is a combination of different natural substances suitable for slug (Arion spp.) control?

The efficacy of environmentally acceptable products for the control of major potato pests and diseases

Alternatives to Synthetic Insecticides in the Control of the Colorado Potato Beetle (Leptinotarsa decemlineata Say) and Their Environmental Benefits

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