تقييم كفاءة حامض السالسيلك و عدد من المبيدات الكيميائية في مكافحة الحشرة القشرية Targ. Parlatoria blanchardi على سعف نخيل التمر Phoenix dactylifera L

الملخص EN

The present study has been conducted at the laboratory of Date palm Research Center –University of Basrah to evaluates the efficiency of growth regulator hormone, Salicylic acid, and some Chemical insecticides to control the White Scales Insect Paralatoria blanchardi L.

as one of the most important Date palm pests.

Results indicated that all examined concentrations of SA were very effective against all stages of the pest after 7days of treatments which were38.12, 40.24, 42.64and 46.56% as mortality parent at a concentration of 0.5,0.7, 0.8 and 1mM, respectively.

Obtained results revealed that Thiamethoxam application resulted in a right level of control to the pest which was 66.78% after 7 days of treatment, while the result of Methidathion and Dichlorvos were 61.65 and 58.33% respectively at the same time.

Foliar spray of infected leaves with white scales insect with Salicylic acid significantly increased on the leaves content of total chlorophyll, carotenoid, and phenolic compound compared with infected leaves only