الفهرس 
Analytical study of seedsOnly 14 pages are availabe for public view
 |  | from | 181 |  |  |
| | | from | 181 | | |
Abstract
Crons a.~ the main source of food for man who does
all his best to produce more cheap and efficient
food for him and his domestic animals, so pesticides
have come ~o stay (Jonesi.nclJonea 1974).
The desirable properties of pesticide should
include :
1- Hieh toxi.city to the pests to be controlled.
2- Lo’:: to:::icity to plants.
J- Low toxicity to man and warm blooded animals.
4- Selective effect in use so that beneficial and
harmless anims.ls are not affected.
5- Leaving behind no undesirable residue.
They concluded that pesticides may be grouped