EFFECT OF IBA AND MEDIA ON THE ANATOMICAL STRUCTURE AND ROOT FORMATION IN ZANTHOXYLUM BEECHEYANUM PLANT

Document Type : Original Research Article

Authors

1 Horticulture Department, Faculty of Agriculture, Al-Azhar University, Nasr City, Cairo, Egypt

2 Department of Agriculture Botany, Faculty of Agriculture, Al-Azhar University, Nasr City, Cairo, Egypt

Abstract

Zanthoxylum beecheyanum, of ornamental plant (Chinese pepper) is a dense, evergreen shrub up to two meters tall. During the 2022/2023 and 2023/2024 growing seasons, a research study was carried out to determine the effects of indole-3-butyric acid (IBA) application (0, 1000, 2000 and 3000 ppm) on adventitious root formation (cut rooting) in Z. beecheyanum with peat moss + sand ( 1:1 v/v ) and sand media at 60 and 75 days. The treatment of cuttings with 3000 ppm IBA and different media significantly enhanced rooting. At 60 days, the highest root number (10.0/plant) was obtained in sand medium, while at 75 days, it was 13.0/plant in peat moss + sand (1:1 v/v( medium. The longest roots (11.57 cm/plant) were obtained in peat moss + sand (1:1 v/v) medium, while sand medium produced roots with an average length of 12.43 cm. The highest fresh weight at 60 days was 0.579 g/plant in sand medium, 0.563 g/plant in peat moss + sand (1:1 v/v) medium, increasing at 75 days to 1.420 g/plant in peat moss + sand (1:1 v/v) medium, it was sand medium recorded 0.756 g/plant. Similarly, the highest dry weight at 60 days was 0.060 g/plant in peat moss + sand (1:1 v/v) medium and 0.054 g/plant with sand medium, improving further at 75 days. Overall, 3000 ppm IBA significantly enhanced rooting characteristics. Anatomical studies of the cutting bases revealed no structural barriers to rooting. It was found that treating the plant with IBA and media increased the rooting rate and reduced the rooting period.

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