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Stomach-action molluscicides

A molluscicide, mollusk technology, applied in the direction of animal repellent, biocide, plant growth regulator, etc.

Inactive Publication Date: 2003-06-04
柯林莱斯利杨
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Iron(III) 2,4-pentanedioate (2,4-pentanedionate) appeared to be more toxic than iron(III)EDTA, and although it is difficult to quantify the difference, it was shown that 10 days later, 2,4-glutarate was about two to three times more toxic

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0070] This example includes 4 different treatments in 3 groups of parallel "experimental fields". Each "plot" consisted of a 250 x 300 plastic tray in which the moist potting mix was covered with a piece of glass. Place black polyethylene on the glass plate and cover approximately 65% ​​of the top of the tray to provide a safe place for the snails. Place about 50 grams of fresh carrot slices and 100 grams of fresh cabbage leaves on top of the moist potting mix in the diagonal corners of each of the 12 seed pots. Place 6 snails in other dark corners of each of the 12 seedpots. Metaldehyde pellets were sown approximately evenly in three pots, and Fe EDTA pellets were similarly sown in the other three pots. In a further three pots, Fe EDTA powder was sprinkled 3-5 cm from the chopped carrot and cabbage leaves. The snails were observed after 3 and 6 days, and the dead ones were taken out and counted. It's hard to tell if some of the snails are dead or just poisoned and deacti...

Embodiment 2

[0073] This embodiment is the same as embodiment 1, except that the test of powder treatment has not been carried out, and each treatment has done 4 parallel tests. Also, the food used was only about 100g fresh shredded carrots and no cabbage leaves. The number of snails was recorded after 6 and 8 days and is listed in Table 2 below. The average daily temperature for this trial was about 5°C lower than in Example 1. The results show that the effect of metaldehyde as poison is very sensitive to temperature, and for EDTA iron, the main impact is that the killing amount is lower than that of Example 1 due to the reduction of the overall activity of snails (such as feeding). At lower temperatures, ferric EDTA was significantly more effective than metaldehyde pellets.

[0074] control

Embodiment 3

[0076]This example was performed with Zeneca (metaldehyde), RIO(R) PBI (metaldehyde) and 9% Fe EDTA at a temperature range of 18-29°C, with carrots as food, and with a high bran type poison bait formulation. After 7 days the dead snails were removed and counted. The results are listed in Table 3.

[0077] control

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Abstract

A stomach-action molluscicide including a metal complexone as an active ingredient. The term 'complexone' as used herein refers to an organic ligand containing at least one iminodiacetic group -N(CH2CO2H2)2 or two aminoacetic groups -NHCH2CO2H which form stable complexes with most cations. Preferably, the complexone is a derivative of ethylenediaminetetraacetic acid.

Description

field of invention [0001] The present invention relates to gastrotoxic molluscicides, stomach poisons or edible baits containing them, and their use for killing, controlling and / or inactivating molluscs, especially slugs and snails. Background of the invention [0002] Slugs and snails are major agricultural pests in many parts of the world. Their biological habit is to like to move in humid environment (such as perennial wet habitat) and areas with mild temperature, especially in rainy summer and autumn. Therefore, their potential harm is considerable. [0003] Different species of molluscs, whether terrestrial or aquatic, have very different ecologies and they often require different treatments. The snail species Theba pisana, Cernuella virgata, Helixaspersa and Achatina spp, and the slug species Arion hortensis, Milax budapestensis, Deroeeras reticulatum and Limax maximus were particularly notable targets. Common garden snails (Helix aspersa) and gray field slugs (Dero...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N25/00A01N37/44A01N59/06A01N59/16A01N59/20
CPCA01N37/44A01N59/16A01N25/008A01N59/06A01N59/20A01N47/22A01N35/02A01N2300/00A01N25/08
Inventor 柯林·莱斯利·杨
Owner 柯林莱斯利杨
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