PJB-2017-676
FRUIT YIELD AND QUALITY OF DHAKKI DATE AS AFFECTED BY FRESH AND STORED POLLENS OF POTENTIAL MALE GENOTYPES
MUHAMMAD IQBAL
Abstract
An investigation was carried out in order to explore the impact of fresh and stored pollens of potential male genotypes on fruit yield and quality of date palm cv. Dhakki. Dhakki trees were pollinated with fresh and stored pollens of ten different male trees (designated as M1, M2, ……M10) in 2012 and 2013, respectively. Six spathes were selected on each Dhakki tree for pollination with the pollens on 2nd day of spath opening. The results indicated that fresh and stored pollens had significant effect on fruit yield and quality. Fresh and stored pollens of genotype M2 induced highest fruit set of 90.13 and 75.12 %, fruit weight of 21.82 and 21.3 g, fruit yield 94.79 and 91.79 kg/tree, TSS 38.5 and 37.9 %, total sugar 17.8 and 17.3 % and pollen viability 95 and 89 %, respectively. On the other hand, Fresh and stored pollens of genotype M3 brought out higher fruit weight of 21.12 and 20.7 g, fruit yield 87.2 and 86.4 kg/tree, TSS of 39.1 and 38.7 % and total sugars of 17.7 and 17.4 %, respectively. The results suggested that fresh and stored pollens of genotypes M2 and M3 had high potency pollens that induced higher fruit set, fruit yield and fruit quality in Dhakki date.
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