RESPONSE OF LAVENDER (Lavandula officinalis, Chaix) GROWTH AND YIELD COMPONENTS TO FOLIAR SPRAY WITH ASCORBIC ACID AND NANO-CHITOSAN | ||||
| Zagazig Journal of Agricultural Research | ||||
| Article 3, Volume 47, Issue 6, November and December 2020, Page 1397-1406 PDF (364.07 K) | ||||
| DOI: 10.21608/zjar.2020.256906 | ||||
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| Authors | ||||
Donia M.M.M. Elshetry  ; A.E. Awad; M. A.I. Abdelkader
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| Hort. Dept., Agric. Fac., Zagazig Univ., Egypt | ||||
| Abstract | ||||
| For evaluating the response of growth and yield of lavender to ascorbic acid (0.0, 50, 100 and 150 ppm), nano-chitosan (0.0, 250, 500 and 750 ppm) and their interactions, an experiment was conducted at the Experimental Farm, Faculty of Agriculture, Zagazig University, Egypt, during the two consecutive summer seasons of 2018 and 2019. This experiment was arranged as split-plot experiment in the basis of completely randomized design with three replications. The main plots were occupied by four ascorbic acid concentrations, also, the sub plots were entitled to four nano-chitosan concentrations. Plant growth parameters as well as fresh and dry herb yield were recorded. Foliar spray with 150 ppm of ascorbic acid gave significantly higher values of growth and yield components compared to control and the other ones under study. Nano-chitosan at high concentrations (500 and 750 ppm) significantly increased all the investigated parameters compared to control. The best results were achieved by the interaction treatment between spraying with ascorbic acid at 100 ppm and nano-chitosan at 750 ppm. This treatment could be used by the farmers under the same conditions because it has the most profitable rate and concentration with the greatest yield advantages | ||||
| Keywords | ||||
| : Lavender; Lavandula officinalis; ascorbic acid; nano-chitosan; growth; yield components | ||||
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