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