The Forestry Department is using a <u>chemical</u> control method. This involves using a <u>foliar spray </u>method, in which department personnel will spray pesticide directly on the trees’ leaves.
Explanation:
The chemical control method of pesticide control involves spraying chemical pesticides directly on leaves, shoots or roots of the plants. These chemicals are toxic to the pests only and the pests get retracted from the plants because of the pesticides applied.
A selective pesticide application is done to limit application to a target harmful pest which kills only that and does not harm the other useful or harmless species which thrives on the plants.
White pine blister causes rust of the branches and leaves of the pine trees. Hence, a foliar spray of the pesticide is done to control its spread.
<span>A low-pressure system is located between the two stations.</span>
Many progressive movements<span> in </span>Muslim<span> countries involve the rejection of a literal interpretation of the Qur'an. Others involve the rejection of Islamism as a political force, as they believe that religion and government should be separate.</span>
A steep pressure gradient produces strong winds. When we say "steep<span> horizontal </span>pressure gradient", we simply mean<span> that it's strong. </span>
<span>A larger
number indicates higher or </span>steeper<span> degree of "tilt". Often </span>slope<span> is calculated as a ratio of "rise" to
"run", or as a fraction ("rise over run") in which run is
the horizontal distance and rise is the vertical distance.</span>
