EXPERIMENTATION WITH BLENDS OF INSECTICIDES

blends of insecticides

Blend 1 (BD99 & D-50EC):

EXPERIMENTATION WITH INSECTICIDES BLENDS: The first blend was prepared by using sample 1 insecticide and sample 2 insecticide which are BD99 and D-50EC respectively. One of the insecticide, D-50EC, belonged to organophosphate family and other, BD99, derivative of borax. This combination of insecticide is proposed for the sake of forming such combination that leads to environment friendly as well as toxic blend. The highly toxic chemical effect of the D-50EC commingles with the BD99 to form this blend. The concentration of the insecticides are made half of the used in sample 1 and sample 2. Both of the insecticides were mixed in paint separately. Firstly, BD99 was added to paint and then later DM-50EC was introduced into the paint with constant shaking or mixing. As in this case, D-50EC is in half amount as compared to sample 2, thus it was noticed that the smell of D-50EC was overwhelmed by the paint original smell. As well, BD99 is odourless therefore no one can feel or smell that this paint has insecticides involved in it. This was the physical plus point of this paint too. The used composition in this blend are:

The insecticide, after adding to the prepared paint was then studied and tested using the same procedure mentioned below.

Procedure:

  1. 150 ml of paint was measured using a graduated cylinder and poured into plastic beaker.
  2. 90 ml of water was measured using other beaker.
  3. 1.2 g of BD-99 were weighed using weighing balance and poured into the water containing beaker of step 2. Then this BD-99 white coloured solution is poured into the paint of step 1.
  4. 1.2 ml of D-50EC was measured using syringe and directly sprayed into beaker containing paint of step 3 and mixed thoroughly for five minutes.
  5. The addition was made slowly and with continuous mixing with brush in order to had homogeneous solution.

Experiment A:

  • The homogenized blended insecticidal paint was then applied using a brush to a pillar of a roof where many insects crawls on regular basis.
  • The prepared insecticidal paint coating was then allowed to dry for one day.
  • After one day, the surface of pillar was examined and few grains of sugar were spread on that surface to invite the ants.
  • The movement of ants were recorded using camera to have overlook of the activity of ants towards sugar.

Result A:

None of the ant or any other insect found near the painted area. Although ants were passing near the pillar but neither of them stepped on the paint. Even this was noticed again after one day, again none of the insect crawled on the coated surface in the examining time. In this case, it may deduce that BD-99 has strong repellency to ants and the activity of strong insecticide like D-50EC is also enhancing the effect of BD-99. Maybe the power of D50-EC is alarming the insects therefore none of the insect found on the painted area. So, this result was better than the result obtained individually usage of insecticides.

Experiment B:

  • A transparent box was taken and it’s almost 60% side was painted with the blended insecticidal paint blend 1 (BD-99 and D-50EC).
  • The painted box was left over to dry in an open atmosphere for one day.
  • After one day, the coating was dried. In a same way, a cockroach, a cricket and few ants were picked and placed inside the box, right on the top of coated surface, and sealed the box.
  • Their activities were recorded with respect to time and reported in the table below.

Result B:

It was witnessed that cricket, ants and cockroach left the painted area instantly after being placed on the coated surface and shifted to the non-painted area. Within 20 minutes none of the insect attempted to approach the coated surface.

In this experiment, the insects were noticed for twenty minutes and the paint put away cockroach, cricket and ants. The below table shows the behavior of insects by comparing the number of times any insect approached the 60% painted area of the sealed box.

So, this paint composition containing two insecticides are considered to be the most successful paint composition of so far.

Blend 2 (BD99 & DM-50EC):

EXPERIMENTATION WITH INSECTICIDES BLENDS: The second blend was prepared by using sample 1 insecticide and sample 3 insecticide. Both of the insecticides in this case are not harmful to humans or environment friendly and thus considered to give harmless final paint. The concentration of the insecticides are made half of the used in sample 1 and sample 3. Both of the insecticides were mixed in paint separately. Firstly, BD99 was added to hydrophobic paint and then later DM-50EC was introduced into the paint with constant shaking or mixing. As in this case, DM-50EC is in half amount as compared to sample 3, thus it was noticed that the smell of DM-50EC was overcome by the paint original smell. As well, BD99 is odourless therefore no one can feel or smell that this paint has insecticides involved in it. This was the physical plus point of this paint too. The used composition in this blend are:

The insecticide, after adding to the prepared paint was then studied and tested using the same procedure mentioned below.

Procedure:

  1. 150 ml of paint was measured using a graduated cylinder and poured into plastic beaker.
  2. 90 ml of water was measured using other beaker.
  3. 1.2 g of BD-99 were weighed using weighing balance and poured into the water containing beaker of step 2. Then this BD-99 white coloured solution is poured into the paint of step 1.
  4. 3.6 ml of DM-50EC was measured using syringe and directly sprayed into beaker containing paint of step 3 and mixed thoroughly for five minutes.
  5. The addition was made slowly and with continuous mixing with brush in order to had homogeneous solution.

Experiment A:

  • The homogenized blended insecticidal paint was then applied using a brush to a pillar of roof where many insects crawls on regular basis.
  • The prepared insecticidal paint coating was then allowed to dry for one day.
  • After one day, the surface of pillar was examined and few grains of sugar were spread on that surface to invite the ants.
  • The movement of ants were recorded using camera to have overlook of the activity of ants towards sugar.

Result A:

It was seen that the ants were not being attracted towards sugar. After waiting for hours, none of the ant approached the coated surface, although they were near the pillar and came to sniff the paint and turned their direction. In this case, it may deduce that BD-99 has strong repellency to ants and the activity of strong insecticide like DM-50EC is also promoting the effect of BD-99. Therefore ants were alarmed before climbing the painted area with the help of their sniffing power. That’s why they were changing their route showing no greed to gain sugar on the pillar. So, this result was also effective in repelling the ants.

Experiment B:

  • A transparent box was taken and it’s almost 60% side was painted with the blended insecticidal paint blend 2 (BD-99 and DM-50EC).
  • The painted box was left over to dry in an open atmosphere for one day.
  • After one day, the coating was dried. A cockroach, a cricket and few ants were picked and placed inside the box, right on the top of coated surface, and sealed the box.
  • Their activities were recorded with respect to time and reported in the table below.

Result B:

It was observed that cricket, ants and cockroach left the place immediately after being placed on the coated surface and shifted to the opposite corner. It was noticed that only one time cricket tried to approach the coated area within the time experimented. And in no time, it jumped back to the uncoated surface. Within 20 minutes none of the other attempt was made to approach the coated surface.

In this experiment, the insects were noticed for twenty minutes and the paint put away cockroach, cricket and ants. The below table shows the behavior of insects by comparing the number of times any insect approached the 60% painted area of the sealed box.

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