Water‐regulatory Behaviour in Terrestrial Gastropods

Prior, David J.

doi:10.1111/j.1469-185x.1985.tb00423.x

Cited by 81 publications

(60 citation statements)

References 83 publications

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“…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. It is surprising that diatomaceous earth in our experiment did not prove to be a substance which causes dehydration of slugs.…”

Section: Discussionmentioning

confidence: 79%

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: 79%

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

Laznik

Trdan

2016

Span. j. agric. res.

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“…We and others (Prior 1984(Prior , 1985Banta et al 1990; Matanock and Welsford 1995) have observed Limax orient and move on a dry surface toward a source of water, prior to initiating contact rehydration. It is a mystery how an animal with a completely moist surface can show directed orientation to a localized source of water containing no explicit added odor cue, as dehydrated slugs are able to do.…”

Section: Providing Motivation For Learning Odor Associationsmentioning

confidence: 80%

“…Rapid dehydration produces maximally motivated slugs. Dehydrated slugs actively search for a source of water for contact rehydration (Prior 1985;Prior et al 1994;Matanock and Welsford 1995), which occurs when the slug sits on a moist surface and absorbs water through its foot via a paracellular pathway (Prior 1984;Prior and Uglem 1984;Banta et al 1990). During training, dehydrated slugs are first offered salt water containing quinine and NaCl for rehydration, paired with odor A.…”

Section: Providing Motivation For Learning Odor Associationsmentioning

confidence: 99%

Neural and molecular mechanisms of microcognition inLimax

2008

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Various non-mammalian model systems are being explored in the search for mechanisms of learning and memory storage of sufficient generality to contribute to the understanding of mammalian learning mechanisms. The terrestrial mollusk Limax maximus is one such model system in which mammalian-quality learning has been documented using odors as conditioned stimuli. The Limax odor information-processing circuits incorporate several system design features also found in mammalian odor-processing circuits, such as the use of cellular and network oscillations for making odor computations and the use of nitric oxide to control network oscillations. Learning and memory formation has been localized to a particular central circuit, the procerebral lobe, in which selective gene activation occurs through odor learning. Since the isolated Limax brain can perform odor learning in vitro, the circuits and synapses causally linked to learning and memory formation are assessable for further detailed analysis.Although mollusks and mammals diverged from their common ancestor some 600 million years ago (Runnegar and Pojeta 1985), there is ample evidence for a commonality of solutions used to solve analogous problems between the two taxa. This is evident in several aspects of learning and memory mechanisms, including conserved genes (Nakaya et al.

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“…Namestimo jih med mestom, kjer se polži skrivajo in mestom, kjer se hranijo. V ta namen uporabljamo pripravke, ki polže izsušujejo in povzročajo močno izločanje sluzi (Prior, 1985). Ker se z izločanjem sluzi polži v kritičnih razmerah zaščitijo le enkrat, mora biti takšna ovira dovolj široka.…”

Section: Zatiranjeunclassified

Possibilities of Environmentally Acceptable Control Methods Against Economically Important Slugs With Emphasis on the Results of Domestic Researches of Controlling Arionidae Slugs

Laznik

Trdan

2016

AAS

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Možnosti okoljsko sprejemljivega zatiranja gospodarsko škodljivih polžev s poudarkom na rezultatih domačih raziskav zatiranja lazarjev (Arionidae) Žiga IZVLEČEKPolže uvrščamo med gospodarsko pomembne škodljivce gojenih in samoniklih rastlin. Škodljivi so predvsem polži brez hišic, ki jih uvrščamo v družini lazarjev (Arionidae) in slinarjev (Limacidae). Polži so vsejede živali. Občutljivi so na izsušitev, zato so aktivni ponoči in v oblačnem, deževnem vremenu. Gospodarsko škodo povzročajo na vrtninah, poljščinah, sadnem drevju, grmovnicah, travi, zeliščih in okrasnih rastlinah. Prvi zapisi o zatiranju polžev segajo v začetek 20. stoletja. Sledilo je pomembno odkritje v letu 1934, ko so v Južni Afriki odkrili metaldehid, ki je prinesel pomemben napredek v varstvu rastlin pred polži. Naslednji pomemben korak v razvoju limacidov je bil dosežen z odkritjem karbamatov. Zaradi dokazanega neciljnega delovanja metaldehida in ostalih snovi z limacidnim delovanjem raziskovalci iščejo alternativne rešitve v varstvu rastlin pred polži. V prispevku predstavljamo različne okoljsko sprejemljive načine zatiranja polžev, kot so ustrezna obdelava tal, nastavljanje pasti s pivom, postavljanje prehodnih ovir in uporaba t.i. elektroograj, s poudarkom na rezultatih domačih raziskav zatiranja lazarjev. Ključne besede: polži, zatiranje, okoljsko sprejemljivi načini ABSTRACT POSSIBILITIES OF ENVIRONMENTALLY ACCEPTABLE CONTROL METHODS AGAINST ECONOMICALLY IMPORTANT SLUGS WITH EMPHASIS ON THE RESULTS OF DOMESTIC RESEARCHES OF CONTROLLING ARIONIDAE SLUGSSlugs from the Arionidae and Limacidae families are classified as an important economic agricultural pests. They are omnivorous animals. Slugs are sensitive to drying out, so they are active at night and in cloudy, rainy weather. They cause economic damage to the vegetables, crops, fruit trees, shrubs, grasses, herbs and ornamental plants. First reports of slugs control are dating from the early 20 th century. This was followed by an important discovery in the year 1934 when in South Africa metaldehyde was discovered. This discovery has brought significant progress in the protection of plants against slugs. The next major step in the development of molluscicides was achieved with the discovery of carbamates. Due to the proven non-target effect of metaldehyde and other substances with molluscicidal activity researchers are looking for alternative solutions in the protection of plants against slugs. In this paper we present a variety of environmentally acceptable methods of slugs control, such as proper soil cultivation, beer trapping, barriers and the use of so-called electrical fences against slugs.

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Water‐regulatory Behaviour in Terrestrial Gastropods

Cited by 81 publications

References 83 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?

Neural and molecular mechanisms of microcognition inLimax

Possibilities of Environmentally Acceptable Control Methods Against Economically Important Slugs With Emphasis on the Results of Domestic Researches of Controlling Arionidae Slugs

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