Influences of organic manure addition on the maturity and quality of pineapple fruits ripened in winter
2012
Liu*, C.H.(Guangdong Academy of Agricultural Sciences Institute of Fruit Tree Research ,Ministry of Agriculture Key laboratory of tropical and south subtropical fruit biology and genetic resource utilization) | Liu, Y(Guangdong Academy of Agricultural Sciences Institute of Fruit Tree Research ,Ministry of Agriculture Key laboratory of tropical and south subtropical fruit biology and genetic resource utilization)
A field experiment was conducted to investigate the influence of the addition of organic manure on the maturity stage and quality of pineapple fruits ripened in winter. Fertilization was performed with 200 mL peanut-press pulp liquid fertilizer + 20 g compound fertilizer per plant (T1) or 100 mL peanut press pulp liquid fertilizer + 20 g compound fertilizer per plant (T2). Fertilization with 20 g compound fertilizer per plant (T0) was used as the control. The results indicated that organic fertilizer addition promoted maturity. The weight per fruit was increased, and the contents of TSS and total sugars were enhanced, whereas the titratable acid contents were decreased. A sensory evaluation indicated that, after the addition of organic manure, the pineapple fruits were sweeter and more fragrant. More types of ester aroma components having a higher total relative content were identified in T1, and more types of alkenes having a higher total relative content were identified in T2. The relative contents of propanoic acid, 3-(methylthio)-, and methyl ester were increased by organic manure treatments, with the highest being noted in T1 (5.79%), followed by T2 (5.59%), and the lowest was documented in T0 (4.36%).
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