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 AJPS  Vol.10 No.5 , May 2019
The Effects for Delaying Banana Seedling Growth through Spraying Growing Retardants on Stem Apex
Abstract: Replanting is always required for banana farmers. Selecting growth retardants is important for banana seedling companies. Stem apex contained many gibberellins. Seven treatments were performed onto stem apex of banana seedlings in this research. Results showed that heights of seedlings sprayed with paclobutrazol (200 mg/L), dniconazole (200 mg/L), and dniconazole + brassins (200 mg/L + 0.1 mg/L) were significantly lower than those of seedlings sprayed with water. Paclobutrazol was the ideal retardant for delaying the growth of leaf if stem apex was selected as a treated candidate. Fresh weights of seedlings of all seven treatments were significantly less than that of control. For delaying the growth of fresh weight of banana seedlings, chlormequat chloride (200 mg/L) was the best choice. Reducing power of roots of seedlings treated with 100 ml of paclobutrazol (200 mg/L) was significantly higher than that of seedling treated with water. Chlorophyll contents of seedlings treated with growth retardants were significantly higher than that of seedlings treated with water.
Cite this paper: Chang, S. , Wu, Z. , Zeng, Q. , Zhang, J. , Sun, W. , Qiao, L. and Shu, H. (2019) The Effects for Delaying Banana Seedling Growth through Spraying Growing Retardants on Stem Apex. American Journal of Plant Sciences, 10, 813-825. doi: 10.4236/ajps.2019.105059.
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