Termite Control In Field Crops Fundamentals Explained
Particular care and equipment can be employed to discover sub-nests in a building incuding a moisture metre, microwave and infrared cameras - but each have their limitations.
There are several types of termite control substances registered by the relevant State and/or Federal Government Authority for use in termite control as a soil treatment compound.
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WARNING: Several outdated products are solvent based termite control pesticides which may cause health problems to asthmatics during the drying procedure.
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Termidor and Premise do NOT have an obnoxious odour or emit airborne fumes or residues. Both are registered as a low hazard insecticide using a CAUTION notation on the registered label.
Fipronil, the active ingredient in Termidor, has been used in the USA, Australia and other countries, such as flea and tick control on millions of cats and puppies. Termidor and Premise represent modern technology.
Some alternative termiticides have a strong repellency action to discourage foraging termites. Whereas Termidor and Premise are non-repellant into the termites.
Termites can enter the treated soil zone without detecting the Termidor or Premise chemical.
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The repellant nature of different products mean the termites can detect the chemical and will move along the treated soil regions, actively seeking a gap to gain entry into the building.
Premise has been used as soil treatment barrier against termites for more than eight years in the USA with excellent outcomes for long term pest control control. We are not aware of any significant issues during this age.
Premise will act to kill termites, in the greater concentration treated soil regions abutting the building. With Premise, termites that forage in the lower concentrated treated land areas, will become disorientated, stop feeding, and therefore are diseased by natural fungi and micro-organisms in the soil.
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The two Bayer Premise and BASF Termidor claim their products will transfer from one affected termite to another... the technology aimed at eradicating the queen termite and the entire colony - refer to this animated illustration below:
Termites tunneling in the Premise treated soil area abutting the building (of top concentration - near the point of application) are killed outright.
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Termites tunneling in the outer parts of a Premise treated soil area (of reduced concentration) will not detect the Premise which adheres to their own bodies and has a delayed lethal effect of several days - enough time to be transferred back to the central colony nest.
After 250 million decades of living underground, subterranean termites have evolved with a very thin waxy skin (called an exoskeleton) that easily absorbs moisture.
Premise adheres to the termite exoskeleton and can be readily adsorbed via the exoskeleton and into the termite's body to immobilize and kill the affected termite within a couple of days.
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The termites spread the Premise to other termites during regular physical contact, particularly when working together in close proximity, grooming and feeding the remainder of the colony, a regular function of their everyday life.
Termites carry off or cannibalize other dead termites, further spreading the deadly effect of the Premise chemical throughout the colony.
The Sentricon termite monitoring and baiting system was developed by Dow AgroSciences, USA. The Sentricon bait is an insect growth regulator, which can be designed to be spread across the colony by the worker termites.
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An insect growth regulator affects termites by stopping the informative post moulting process needed for the termites to grow. As the employee termites die off, the termite colony declines to the point where it can no longer sustain itself, ultimately leading to it is collapse and elimination.
The Exterra termite monitoring and baiting system is owned by Ensystex, USA. The Exterra termite bait is also an insect growth regulator.
Both Sentricon and Exterra systems have their own plastic bait stations which has to be used with their merchandise. These bait stations can be placed in the ground and checked frequently.
Termite colony elimination in favourable circumstances may take several months to a few months. Nonetheless, in see here now some instances, termite colony elimination is unsuccessful or may take decades, depending on the circumstances. Where a significant number of termites find and connsume the bait, then colony elimination is almost assured within a few months.
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Both the Sentricon and Exterra termite baits are designed to be slow acting, non-repellant and consequently spread to other termites in the colony before the colony can discover where the deadly outcome is coming from.
Termites have acute survival instincts. The location of a toxic food supply if detected, will be abandoned. Too much disturbance of the foraging termites (employees and soldiers) in a particular location, will alert the termite colony to abandon the region. The termites appear to be gone, but might in reality be entering the building in different areas.