Sharf Elden, Rajaa Adam Yehaya; Supervisor - Awad Khalafallah
(Sudan University of Science And Technology, 2006-05-01)
The use of the synthetic pesticides for the control of agricultural
crop pests since 1940 resulted in many disadvantages. These drawbacks
include, mammalian toxicity, phytotoxicity to plants, insect resistance to
pesticides, ...