Mite composition
A composition and technology of mites, applied in the direction of acaricides, animal repellents, plant growth regulators, etc.
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Embodiment 1
[0026] As shown in the research data below, when forage insects were fed with excess of D. gondii, it was shown that the average number of eggs laid by each female of A. gosseii was 1.80-1.85 eggs per female mite per day. This reproduction rate is very suitable for the economical production of A. stepeii.
[0027] research data
[0028] Each replicate = 1 adult female A. stepeii on leaf discs feeding on all stages of D. gosseii.
[0029] The number of offspring was counted after 48 hours.
[0030] The room was maintained at 29°C and 75% relative humidity (RH).
[0031]
[0032] Each replicate = 1 adult female A. stepeii on leaf discs feeding on all stages of D. gosseii.
[0033] The number of offspring was counted after 72 hours.
[0034] The room was maintained at 29°C and 75% relative humidity.
[0035]
Embodiment 2
[0037] Supporting a composition comprising a reared population of the predatory mite Amblyseius steerii and artificial hosts (including Acarus gracilis, D. gossypii or Scuma scuma) on a carrier such as bran flakes or wood chips, And add foods such as cereal extracts or yeast. The composition is suitable in a sachet having an exit hole for predatory mites. The pouch has a hook to hang the pouch on a plant. Preferably, the ratio of the number of individuals of the predatory mites to the number of individuals of the artificial host is about 100:1 to 1:20, for example about 1:1 to 1:10, for example about 1:4, 1:1 5 or 1:7. The composition has been shown to be useful for controlling whiteflies, grass insects, spider mites and tarsal mites on crops.
Embodiment 3
[0039] Supporting a composition comprising a reared population of the predatory mite Amblyseius steerii and artificial hosts (including Acarus gracilis, D. gossypii or Scuma scuma) on a carrier such as bran flakes or wood chips, And add foods such as cereal extracts or yeast. The mixture is diluted by adding additional carrier material such as bran. The ratio of the number of individuals of the predatory mites to the number of individuals of the artificial host is about 100:1 to 1:20, for example about 1:1 to 1:10, for example about 1:4, 1:5 or 1 : 7. The composition may be incorporated into a container, such as a tube or bottle, from which the composition may be sprayed or otherwise spread over the crop. The composition has been shown to be useful for controlling whiteflies, grass insects, spider mites and tarsal mites on crops. D. gondii grows vigorously in an aerated medium, and the addition of suitable inert ingredients (such as vermiculite) to the medium favors the gro...
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