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VOL. 5, ISSUE 1 (2023)
Comparison between effectiveness of gibberellin hormone (GAs) and cytokinin hormone (CKs) on controlling Tuta absoluta (Meyrick) infesting tomato plants under greenhouses
Authors
Gamila A M Heikal, Abla F A Saad
Abstract
This study was carried out to evaluation untraditional methods for controlling the serious pest infesting tomato plants, Tomato leaf miners, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae). Current study aimed to evaluate some plant hormones, Gibberellin Hormone (GAs) and Cytokinin Hormone (CKs) on controlling and decreasing the population of the successive insect T. absoluta. These methods consider modern methods of pest control through the treatment of tomato plants, Solanum lycopersicum (Solanales: Solanaceae) by two plant hormones, Gibberellin Hormone (GAs) and Cytokinin Hormone (CKs) - two different concentrations for each hormone - (35 ppm and 50 ppm) on the infestation by Tomato leaf miners, T. absoluta at two locations (governorates), Dokki (Giza Governorate) and Tokh (Qaliobya Governorate) during season 2022 under plastic greenhouse. Also, this study was carried out to study effect of treated tomato plants by successive hormones on the some morphological and physiological characteristics of tomato plants. The obtained results indicated that effect of Cytokinin Hormone (CKs) was higher than effect of Gibberellin Hormone (GAs) on the decreasing T. absoluta population at tomato plants, also the obtained results indicated that low concentration of both the two successive hormones (35ppm) was higher effectiveness on decreasing population of the successive insect than the high concentration (50 ppm) of the same hormones compared to control. Lastly, obtained results indicated that when treated tomato plants by low concentrations both of the two successive hormones led to positive effectiveness on the morphological and physiological characteristics of tomato plants while when treated tomato plants by high concentrations both of the same hormones led to bad effect on these characteristics compared to control.
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Pages:70-73
How to cite this article:
Gamila A M Heikal, Abla F A Saad "Comparison between effectiveness of gibberellin hormone (GAs) and cytokinin hormone (CKs) on controlling <em>Tuta absoluta</em> (Meyrick) infesting tomato plants under greenhouses". International Journal of Agriculture and Plant Science, Vol 5, Issue 1, 2023, Pages 70-73
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