Investigations on Sweet Cherry Effective Pollination Period

Ughini, V.; Roversí, A.

doi:10.17660/actahortic.1996.410.68

Cited by 4 publications

(7 citation statements)

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“…A third approach, described by Ughini and Roversi [ 12 ], begins by isolating several branches prior to bloom. Isolation bags are then removed in daily intervals, and the number of flowers per shoot as well as the number of open flowers and the final fruit set, are recorded.…”

Section: Introductionmentioning

confidence: 99%

“…Based on the results, a fruit set curve can be created, and the EPP can be estimated. The main difference between the Ughini and Roversi [ 12 ] method and the sequential pollination of emasculated and isolated flowers is that the pollination event depends on natural orchard conditions, and no emasculation or artificial hand-pollination is involved. Furthermore, the EPP is not based on the longevity of a single flower.…”

Section: Introductionmentioning

confidence: 99%

“…Instead, the fruit set is based on flower clusters. Therefore, Ughini and Roversi [ 12 ] defined the calculated EPP as a production-permitting period (PPP).…”

Section: Introductionmentioning

confidence: 99%

“…The EPPs were determined for several cultivars of apple [13][14][15][16], apricot (Prunus armeniaca L.) [17], pear [13,14,16], sour cherry (Prunus cerasus L.) [18], sweet cherry [12], kiwifruit (Actinidia ssp.) [19], and olive (Olea europaea L.) [20,21].…”

Section: Introductionmentioning

confidence: 99%

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Effective Pollination Period and Parentage Effect on Pollen Tube Growth in Apple

Roeder

Serra

Musacchi

2021

Plants

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Flower receptivity is a limiting factor for the fertilization of several tree fruit. The effective pollination period (EPP) can be used to determine flower longevity and identify limiting factors by assessing stigmatic receptivity, pollen tube growth rate, and ovule longevity. EPPs were determined for three apple cultivars under natural field conditions in Washington State in 2019 and 2020. In addition, a greenhouse study, performed under semi-controlled conditions, evaluated the influence of six maternal parents on the pollen tube growth performance of six pollen sources. The duration of the stigmatic receptivity ranged from 6.3 to 8.1 days, depending on the cultivar and year—pollen tubes required between 5.5 and 7.0 days from the stigma to reach the ovules. Ovule longevity of non-pollinated flowers varied between 8.2 and 11.3 days. Combinations of these factors resulted in EPPs ranging from 3.0 days for ‘Rubinstar’ to 5.6 days for ‘Olsentwo Gala’ in the present experimental conditions. The greenhouse study revealed that parentage affected pollen tube growth performance. Importantly, a significant interaction between maternal and paternal factors indicated that the performance of different pollen sources depended on the maternal parent and that general recommendations on pollination need to account for the maternal parent.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…Instead, the fruit set is based on flower clusters. Therefore, Ughini and Roversi [ 12 ] defined the calculated EPP as a production-permitting period (PPP).…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Effective Pollination Period and Parentage Effect on Pollen Tube Growth in Apple

Roeder

Serra

Musacchi

2021

Plants

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“…A number of factors can affect fruit set in sweet cherry. Many studies have shown that fruit set in sweet cherry depends on the genotype (Roversi et al 1984), self-incompatibility, stigmatic receptivity (Ughini and Roversi 1996) and pollen vectors such as bees (Lane 1979), as well as weather conditions and temperatures during pollination (Guerrero-P. et al 1985).…”

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confidence: 99%

Variable fruit set in self-fertile sweet cherry

Choi¹

2001

Can. J. Plant Sci.

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Fruit set on seven self-fertile (SF) sweet cherry genotypes from the Cornell Sweet Cherry Breeding Program was investigated. The S-alleles of all tested genotypes, based on controlled pollination and PCR-based S-allele typing analysis were determined to be: S1S4’ for Lapins, and S3S4’ for Stella, Starkrimson, NY 13688, NY 13696, NY 13788 and NY 13791. Higher fruit set of open-pollinated self-fertile genotypes indicated that the additional pollen donor was probably advantageous for fruit set in self-fertiles in the preliminary field study. However, no statistically significant differences were found between fully and self- (half compatible) pollination in caged trees in subsequent years’ studies. This inconsistency may have been due to shading by cages (for self-pollination only) or to differences in bee activity in caged trees as compared with open-pollinations made during preliminary studies. Additionally, the variation in fruit setting potential was dependent on genotype. Spring frost injury reduced fruit setting potential in self-fertile sweet cherries but pollen quality was not associated with variable fruit set. The results suggest that self-pollination would produce optimal fruit set in self-fertile sweet cherry cultivars regardless of partial pollen incompatibility. However, a more detailed study including fruit setting factors other than spring frost injury, and varying setting capacity depending on genotypes, would be required for a more complete determination of the commercial utility of growing self-fertile sweet cherries in solid blocks. Key words: Prunus avium L, sweet cherry, pollination, fruit set

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Impact of enhancedOsmia bicornis(Hymenoptera: Megachilidae) populations on pollination and fruit quality in commercial sweet cherry (Prunus aviumL.) orchards

Ryder

Cherrill

Prew

et al. 2019

Journal of Apicultural Research

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The impact on pollination of supplementing wild pollinators with commercially reared Osmia bicornis in commercial orchards growing the self-fertile sweet cherry variety "Stella" was investigated in each of two years. The quality characteristics used by retailers to determine market value of fruit were compared when insect pollination was by wild pollinators only, or wild pollinators supplemented with O. bicornis released at 2 recommended commercial rates. No effect of treatment on the number of fruit set or subsequent rate of growth was recorded. However, supplemented pollination resulted in earlier fruit set when compared to pollination by wild pollinators alone and offered the potential benefit of a larger proportion of the crop reaching optimum quality within a narrower time range, resulting in more consistent produce. Retailers use five key quality criteria in assessment of market value of cherries (the weight of individual fruit, width at the widest point, fruit colour, sugar content and firmness). Price paid to growers depends both on meeting the criteria and consistency between fruit in these characteristics. In both years, the commercial criteria were met in full in both treatments, but harvested fruit following supplemented pollination were consistently larger and heavier compared to those from the wild pollinator treatment. In the year where supplemented pollination had the greatest impact on the timing of fruit set, fruit size and sugar content were also less variable than when pollination was by wild species only. The implications for the commercial use of O. bicornis in cherry orchards are considered.

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Investigations on Sweet Cherry Effective Pollination Period

Cited by 4 publications

References 0 publications

Effective Pollination Period and Parentage Effect on Pollen Tube Growth in Apple

Effective Pollination Period and Parentage Effect on Pollen Tube Growth in Apple

Variable fruit set in self-fertile sweet cherry

Impact of enhancedOsmia bicornis(Hymenoptera: Megachilidae) populations on pollination and fruit quality in commercial sweet cherry (Prunus aviumL.) orchards

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