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VOL. 5, ISSUE 2 (2023)
Effectiveness of treatment gladiolus bulbs by cytokinin hormone (CKs) on the physiological characteristics of gladiolus thrips, Thrips simplex
Authors
Salem M M Hagar, Heba A Alghnam, Gamila A M Heikal
Abstract
Current study was carried out to determination effectiveness of
treatment gladiolus bulbs by cytokinin hormone (CKs) (three different
concentrations; 15 ppm, 30 ppm and 45 ppm) on the infestation level by
Gladiolus Thrips, Thrips simplex (Morison) (Thysanoptera: Thripidae) throughout
determination its effects on the physiological characteristics of that serious
pest infesting gladiolus flowers. Experiments were carried out at two different
zones (governorates), El-Zohrya Garden (Cairo Governorate) and Antoniadis
Garden (Alexandria Governorate) during season 2021/2022 under plastic
greenhouses. Results obtained at Cairo Governorate indicated to that treatment
gladiolus bulbs by low concentration of cytokinin hormone (CKs) (15ppm)
before planting and sprayed it twice on gladiolus leaves after planting led to
positive effect on the control process of that serious pest T. simplex
whereas led to decrease mean population of that pest compared to control
(gladiolus bulbs did not treat by successive hormone) through its negative
effect on the physiological characteristics (concentration of the important
substances produced by that insect). While treatment gladiolus bulbs by medium
concentration of cytokinin hormone (CKs) (30 ppm) before planting and
sprayed it twice on gladiolus leaves after planting led to unclear effect on
the control process (non-significant) on both of mean population of T.
simplex and also on the physiological characteristics of it. While when
treatment gladiolus bulbs by high concentration of cytokinin hormone (CKs) (45
ppm) before planting and sprayed it twice on gladiolus leaves after planting
led to negative effect on the control process through increasing mean
population of T. simplex on gladiolus plants and also negative effect on
the physiological characteristics of that insect compared to control. The
results were achieved as the same on Alexandria Governorate.
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Pages:73-76
How to cite this article:
Salem M M Hagar, Heba A Alghnam, Gamila A M Heikal "Effectiveness of treatment gladiolus bulbs by cytokinin hormone (CKs) on the physiological characteristics of gladiolus thrips, <i>Thrips simplex</i>". International Journal of Agriculture and Plant Science, Vol 5, Issue 2, 2023, Pages 73-76
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