Effects of leaf-fruit ratio on yield and fruit quality in Mango cv. Aikou under pot culture.
Fumuro M.
Author Affiliation: Experimental Farm, Kinki University, Yuasa, Wakayama 643-0004, Japan.
Horticultural Research (Japan) 10 : 383-388
Abstract : Effects of leaf-fruit ratio (LFR) on yield, fruit quality, cluster formation and fruit set were investigated to determine the optimum fruit load in Mango (Mangifera indica L.) cv. Aikou in comparison with that of cv. Irwin under pot culture (soil volume of about 25 liters per pot) in a plastic greenhouse. In a given year, yields per tree with LFR 40 and 60 were higher than that with LFR 80 in cv. Irwin, whereas that with LFR 20 was higher than those with LFR 40 and 60 in cv. Aikou. In both cultivars, fruit numbers per tree decreased and average fruit weights increased with increase in LFR. LFR did not affect fruit quality (total soluble solids content, organic acid content, fruit firmness and fruit skin color) in cv. Irwin and cv. Aikou. In the following year, the number of seeded clusters per tree and the seeded fruit number per tree were not affected by LFR of the previous year in cv. Irwin, whereas the number of seeded clusters per tree in trees with LFR 20 in the previous year was lower than that in trees with LFR 40 or 60 in the previous year in cv. Aikou. LFR of the previous year did not affect yield and fruit quality in cv. Irwin. In cv. Aikou, yield of trees with LFR 20 in the previous year was lower than those of trees with LFR 40 or 60 in the previous year. However, LFR did not affect fruit quality. It was considered that the optimum LFR for fruit production of approximately 600 g was 40-60 for cv. Aikou under pot culture.