Pattern of Growth and Development of the Strawberry Cultivars Elsanta, Bolero, and Everest

Camacaro, M. E. Pérez De; Camacaro, G.J.; Hadley, P.; Battey, Nicholas H.; Carew, J.

doi:10.21273/jashs.127.6.901

Cited by 30 publications

(17 citation statements)

References 14 publications

(10 reference statements)

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“…'Korona'. Riyaphan et al (2005) and Pérez- de-Camacaro et al (2002) found that the number of inflorescences plant -1 significantly varied in strawberry cultivars, which are in close conformity with the present findings. They also observed that the early flowering germplasm produced less number of trusses as well as flowers plant -1 compared to late flowering germplasm.…”

Section: Reproductive Characterssupporting

confidence: 92%

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Characterization and Field Performance of 15 Strawberry Germplasm under Bangladesh Conditions

Rahman

Hossain

et al. 2014

SAARC J Agric

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Fifteen strawberry germplasm collected from local and exotic sources were evaluated for different qualitative and quantitative characters. The germplasm showed variation for majority of the studied traits. Plant height during peak harvest ranged from 14.67 to 25.00 cm and FA 007 exhibited the tallest plants. The maximum number of leaves plant-1 was produced by FA 006 (46.67). The maximum number of runners plant-1 was obtained in FA 003 (68.67) followed by FA 004 (63.00), while the highest number of crown plant-1 was found in FA 007 (15.33) followed by FA 006 (14.67). Days to flowering varied from 48.33 to 102.30 among the germplasm and FA 008 required minimum (48.33) days for flowering. The germplasm FA 004 produced the highest number of flower trusses (35.50 plant-1) while it was the lowest in FA 010 (5.00 plant-1). The number of flowers plant-1 was found maximum in FA 003 (168.00 plant-1) and minimum in FA 010 (40.00 plant-1). Among the germplasm pollen viability varied significantly and maximum viable pollen was recorded in FA 010 (84 %), while it was lowest in FA 004 (12.00 %). The highest per cent fruit set was recorded in BARI Strawberry-1 (86 %) while, FA 013 (39 %) showed the lowest. Among the germplasm the highest yield plant-1 was recorded from FA 005 (737.70 g) followed by FA 006 (702.30 g) and was significantly higher than others while the lowest yield plant-1 was recorded from FA 013 (52.00 g), FA 014 (69.00 g), FA 009 (81.33 g) and FA 010 (121.30 g). DOI: http://dx.doi.org/10.3329/sja.v11i2.18404 SAARC J. Agri., 11(2): 81-94 (2013)

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Section: Reproductive Characterssupporting

confidence: 92%

“…The variation in different germplasm as recorded might be due to genetic makeup. This result is in confirmatory with the findings of Pérez- de-Camacaro et al (2002). They found a significant difference in number of runner and crown plant -1 among the strawberry cultivars in UK.…”

Section: Qualitative Growth Characterssupporting

confidence: 91%

Characterization and Field Performance of 15 Strawberry Germplasm under Bangladesh Conditions

Rahman

Hossain

et al. 2014

SAARC J Agric

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“…Commonly for polycarpic perennial plants, floral initiation happens once a year (‘seasonal flowering’, SF). However, some perennials have the ability to flower more than once, thereby prolonging a favourable season, through a process called ‘remontancy’ or ‘perpetual flowering’ (PF) (Albani and Coupland, ; de Camacaro et al ., ). The promise of enhancing fruit production by increasing the flowering period makes this trait a key objective of numerous breeding programmes.…”

Section: Introductionmentioning

confidence: 97%

Narrowing down the single homoeologous FaPFRU locus controlling flowering in cultivated octoploid strawberry using a selective mapping strategy

Perrotte

Gaston

Potier

et al. 2016

Plant Biotechnology Journal

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SummaryExtending the period of fruit production is a way to substantially increase crop yield in many fruit or ornamental species. In the cultivated octoploid strawberry (Fragaria × ananassa), the most consumed small fruit worldwide, fruit production season can be extended by selecting the perpetual flowering (PF) cultivars. This trait is of considerable interest to growers and to the food industry. Four homoeologous loci controlling a single trait can be expected in such a complex octoploid species. However, we recently showed that the PF trait is under the control of the single dominant FaPFRU locus (J. Exp. Bot., 2013, 64, 1837), making it potentially amenable to marker‐assisted selection (MAS). Here, we report the successful use of a strategy, based on a selective mapping using a reduced sample of individuals, to identify nine markers in close linkage to the FaPFRU allelic variant. Thus, this strategy can be used to fine map the target homoeologous loci in other complex polyploid crop species. Recombinant analysis further enabled us to reduce the locus to a region flanked by two markers, Bx083_206 and Bx215_131, corresponding to a 1.1 Mb region in the diploid F. vesca reference genome. This region comprises 234 genes, including 15 flowering associated genes. Among these, the FLOWERING LOCUS T (FT) is known to be a key activator of flowering. The close association between the PF trait and the FaPFRU flanking markers was validated using an additional segregating population and genetic resources. This study lays the foundation for effective and rapid breeding of PF strawberry cultivars by MAS.

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“…Leaf production was nearly linear over 120 days in Wisconsin, with a leaf produced every six to thirteen days [55]. Leaf production was linear over 64 days in one cultivar in the United Kingdom and linear over 96 days in two cultivars [56]. A leaf was produced every two to five days during the main period of growth.…”

Section: Discussionmentioning

confidence: 99%

No Evidence of Excessive Leaf Production by Strawberries Grown in the Subtropics

Menzel¹

2019

Agriculture

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Fruit growth in most plants is strongly dependent on photosynthates produced in the leaves. However, if there are too many leaves, the lower part of the canopy becomes heavily shaded and yields are reduced. Experiments were conducted to determine if cultivars of strawberry (Fragaria × ananassa Duch.) grown in Queensland, Australia have excessive leaf production for adequate cropping. Seven cultivars and breeding lines were planted from March to May from 2004 to 2016 and the number of fully-expanded leaves, dry weight of the flowers and fruit, and yield/plant recorded (n = 23). Information was collected on daily maximum and minimum temperatures and solar radiation. Increases in the number of leaves/plant over the season followed a linear pattern (range in R2 from 0.81–0.99), with the relationship generally similar or better than a dose-logistic (sigmoid) function (range in R2 from 0.79–0.99). There were strong linear relationships between the number of leaves/plant and growing degree-days (GDDs), using a base temperature of 7 °C (range in R2 from 0.81–0.99). In contrast, there was no relationship between the number of leaves/plant produced each day and average season daily mean temperature (15.7 °C to 17.8 °C) or radiation (13.0 to 15.9 MJ/m2/day) (R2 < 0.10). Potential yield as indicated by the dry weight of the flowers and immature fruit/plant increased up to 40 to 45 leaves/plant (R2 = 0.49 or 0.50) suggesting that the cultivars do not have excessive leaf production. There was no relationship between yield and the number of leaves/plant (R2 < 0.10) because rain before harvest damaged the fruit in some years. These results suggest that the development of new cultivars with more leaves/plant might increase cropping of strawberries growing in the subtropics.

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Pattern of Growth and Development of the Strawberry Cultivars Elsanta, Bolero, and Everest

Cited by 30 publications

References 14 publications

Characterization and Field Performance of 15 Strawberry Germplasm under Bangladesh Conditions

Characterization and Field Performance of 15 Strawberry Germplasm under Bangladesh Conditions

Narrowing down the single homoeologous FaPFRU locus controlling flowering in cultivated octoploid strawberry using a selective mapping strategy

No Evidence of Excessive Leaf Production by Strawberries Grown in the Subtropics

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