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- W4230372221 abstract "The use of forchlorfenuron (N-(2-chloro-4-pyridyl)-N′-phenylurea) (CPPU) for efficient propagation of pineapples was investigated. About 85% of axillary buds can be forced to sprout by soaking defoliated stem pieces (12 cm in length) in a 2.5 or 5.0 mg l−1 CPPU solution for more than 3 h. The use of old stems taken from the third or fourth ratoon plants had the advantage of less liability to fungal decay, as compared to young stems from the first crop plants. The CPPU treatment combined with the removal of shoots from stems at monthly intervals significantly increased the number of shoots per stem piece (about 15 shoots per piece at 5.0 mg l−1 CPPU), and resulted in a more uniform shoot size (the percentage of shoots within a range of 5–15 cm in length was about 90% at 5.0 mg l−1 CPPU). The rooting of shoots was easily promoted within 1 month by treating the basal portion of shoots with 20 mg l−1 indole-3-butyric acid (IBA) for 15 min. The CPPU method required about 5 months for plantlet propagation. From these results, we found that pineapple plantlets could be efficiently propagated by the following method: (1) soaking defoliated stems in a 2.5–5.0 mg l−1 CPPU solution for more than 3 h; (2) harvest of developed shoots from the stems at regular intervals; and (3) promotion of rooting on the shoots at 20 mg l−1 IBA for 15 min." @default.
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- W4230372221 date "2003-09-24" @default.
- W4230372221 modified "2023-09-26" @default.
- W4230372221 title "The use of CPPU for efficient propagation of pineapple" @default.
- W4230372221 doi "https://doi.org/10.1016/s0304-4238(03)00122-5" @default.
- W4230372221 hasPublicationYear "2003" @default.
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