EFFECT OF TOMATO VARIETY, SOME CHEMICAL TREATMENT AND TIME FROM THE SEASON ON MEAN PERCENTAGE OF LEAVES BY TOMATO FRUITWORMS

Al-Malaah, Nazar; Hassan, Shiler R.

doi:10.33899/magrj.2018.161436

	EFFECT OF TOMATO VARIETY, SOME CHEMICAL TREATMENT AND TIME FROM THE SEASON ON MEAN PERCENTAGE OF LEAVES BY TOMATO FRUITWORMS
Mesopotamia Journal of Agriculture
Article 26, Volume 46, Issue 1, 2018, Pages 247-254 PDF (333.56 K)
Document Type: Research
DOI: 10.33899/magrj.2018.161436
Authors
Nazar Al-Malaah^* ; Shiler R. Hassan
Plant Protection Dept., College of Agriculture and Forestry, Mosul University. Iraq
Abstract
The results of the recent study showed no signification difference in general mean of leaf attack by T. absoluta according to kind of chemical treatment in comparison with control , although that the treated tomatoes varieties by leaf fertilizer exhibit the highest general mean leaf attack reached 35.49% and the highest leaf attack was found on Speedy variety in comparison with 33.31 and 30.99 % for Rocky and G.S variety respectively. The highest general mean leaf attack by T. absoluta was registered during September and reached 60.3 %. For the tomato worm H. armigera the results showed no significant difference also , in general mean of leaf attack between tomato varieties in treatments and control , and the highest general mean of attack reached 88.92 % in varieties treated by growth regulator in comparison with control 80.33 %. The G.S. variety was most preferred and got the highest attack found in September and reached 90.14 %. The percentage of leaf attack by both worms kinds was decreased.
Keywords
tomato variety; Chemical treatment; Tuta absoluta; Heliothis armigera; Infection percentage

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