Field Performance of Micropropagated Peach Rootstocks and Scion Cultivars of Sour Cherry and Apple (1)

Rosati, P.; Gaggioli, D.

doi:10.17660/actahortic.1987.212.58

Cited by 15 publications

(10 citation statements)

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“…One of the goals of the present study was to assess the relationship between crown architectural characteristics and yield parameters to determine whether they could be used to estimate yield potential. One common correlation evident in woody plants is the relationship between stem diameters and the amount of foliage distal to that point (pipe model theory, Shinozaki et al 1964) or the amount of fruit produced (Crandall et al 1974;Abbott and Adam 1978;Peters et al 1988;Strong and Azarenko 2000). The ability to calculate fruit weight from such relationships may be useful for rapid estimation of yields.…”

Section: Discussionmentioning

confidence: 99%

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A comparison of seed-propagated and micropropagated Amelanchier alnifolia (saskatoon): Yield and yield components in relation to crown architecture characteristics

Remphrey

Pearn²

2006

Can. J. Plant Sci.

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Remphrey, W. R. and Pearn, L. P. 2006. A comparison of seed-propagated and micropropagated Amelanchier alnifolia (saskatoon): Yield and yield components in relation to crown architecture characteristics. Can. J. Plant Sci. 86: [499][500][501][502][503][504][505][506][507][508][509][510]. A study of the architecture and yield components of young micropropagated and seed-propagated Smoky saskatoons over a 4-yr period revealed no differences in height, but the diameters and branchiness ratings of the seedling plants were greater. In the 3 yr of fruit harvest there were no differences in mean fruit weight or fruit number between propagation types, but there was a difference among years. The yield was considerably greater in the third year of harvest (1996), possibly reflecting the natural tendency for yield to increase as the plants develop. In all 3 yr, fruit ripening peaked in July, with most fruit harvested within about a week on either side of the peak. Although there were strong correlations between the number of infructescences and both fruit weight and fruit number, there was little difference between propagation types. There were no relationships between main-stem diameter and the weight or number of fruit that the plant bore. However, there was a positive linear relationship between yield parameters and the diameter of the shoots bearing that portion of the crop in 1994 and 1995. Although not different between propagation types, terminal shoots were longer and greater in diameter and in 1995 bore three times more fruit yield than did lateral shoots. There were no differences between propagation types in the weight of fruit per infructescence or in the mean weight (0.71 ± 0.02 g) or diameter (10.81 ± 0.11 mm) per fruit. 499-510. L'étude des paramètres du rendement et de la structure du collet de jeunes plants d'amélanchier Smoky obtenus par multiplication végétative in vitro et par la culture des semences durant une période de quatre ans n'a révélé aucune différence pour ce qui est de la hauteur, mais le diamètre et les ramifications étaient plus importants chez les plants issus des graines. Au cours des trois années de récolte, les auteurs n'ont noté aucun écart dans le poids ou le nombre moyen des fruits pour les deux types de plants, cependant il existait une variation annuelle. Le rendement a été considérablement plus élevé la troisième année de récolte (1996), peut-être à cause de la tendance naturelle qu'a le rendement d'augmenter à mesure que les plants prennent de l'âge. Les trois années, la maturation des fruits a atteint son maximum en juillet et la majorité des fruits ont été cueillis durant la semaine qui a précédé ou suivi ce pic. Bien qu'il existe d'étroites corrélations entre le nombre d'inflorescences et le poids des fruits ainsi que le nombre de fruits, le mode de multiplication n'entraîne pas de grandes fluctuations à ce niveau. Le diamètre de la tige principale ne présente aucun lien avec le poids ni le nombre des fruits récoltés. Toutefois, les auteurs ont observé une relation linéaire po...

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Section: Discussionmentioning

confidence: 99%

“…For example, it has been reported that in apple (Webster et al 1985) and cherry (Rosati and Gaggioli 1987) that fruiting is delayed in micropropagated plants compared with budded plants. Micropropagated lingonberry developed fewer flower buds and began to produce fruit later than did plants propagated from softwood cuttings (Gustavsson and Stanys 2000).…”

mentioning

confidence: 99%

A comparison of seed-propagated and micropropagated Amelanchier alnifolia (saskatoon): Yield and yield components in relation to crown architecture characteristics

Remphrey

Pearn²

2006

Can. J. Plant Sci.

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“…In vitro propagation of peaches opens up the possibility of producing massive numbers of self-rooted scions at a lower cost compared with the traditional technique involving the budding on a rootstock [14]. This tissue culture technique becomes even more attractive with reports from France [8] and Italy [14] indicating that both scion cultivars and rootstocks propagated in vitro compare favorably with bud-grafted cultivars and rootstocks propagated by cuttings, respectively.…”

Section: Introductionmentioning

confidence: 99%

“…This tissue culture technique becomes even more attractive with reports from France [8] and Italy [14] indicating that both scion cultivars and rootstocks propagated in vitro compare favorably with bud-grafted cultivars and rootstocks propagated by cuttings, respectively. At the present, very few self-rooted tissue cultured trees are produced commercially.…”

Section: Introductionmentioning

confidence: 99%

Factors influencing in vitro multiplication and rooting of peach cultivars

Hammerschlag

Bauchan²,

Scorza

1987

Plant Cell Tiss Organ Cult

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Success at propagating peach (Prunus persica (L.) Batsch) scion cultivars in vitro has been limited. This study describes factors influencing in vitro multiplication and rooting of 8 peach scion cultivars and one rootstock, as well as acclimatization and genetic stability of these cultivars. Shoot multiplication was best when 8.8/~M 6-benzylamino purine (BA) was added to the shoot proliferation medium. Maximum rooting occurred when shoots were placed on I/2-strength Murashige and Skoog (MS) medium, stored in the dark at 4 °C for 35 to 40 days and then incubated on rooting medium in the dark at 26 °C for 14 days. All cultivars exposed to l/2-strength MS medium supplemented with 28.5/~M of either indoleacetic acid (IAA), indolebutyric acid (IBA) or ct-napthaleneacetic acid (NAA) rooted best on NAA medium. A 5-fold reduction in NAA concentration to 5.8/~M, the use of IAA plus phenolic rooting cofactors, and length of time shoots were in vitro prior to rooting each increased the percentage of rooting for most cultivars. No plant loss occurred during acclimatization. Cytogenetic analysis of micropropagated plants indicated that all plants were diploid, 2n = 2x = 16. Examination of the performance of in vitro propagated plants under field conditions is now in progress.

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“…Long-term field evaluations of vegetative growth, flowering, and fruiting characteristics are needed before such trees can be recommended for orchard planting. Such experiments to evaluate these characteristics have been established (Rosati and Gaggioli, 1987;Webster et al, 1985;Zimmerman and Miller, 1985;Zimmerman and Steffens, 1989); however, a variety of cultural treatments were used in producing the plants before being planted in the orchard. Moreover, at that time, the micropropagated trees differed greatly in size among experiments and in relation to the budded trees used for controls.…”

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confidence: 99%

Response of Micropropagated Apple Trees to Field Establishment Procedures

Zimmerman¹

1991

HortSci

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Growth, flowering, and fruiting of micropropagated `Jonathan' apple trees (Malus domestica Borkh.) transferred in Spring 1983 to the field from either a nursery, cold storage, or greenhouse were compared. First-year shoot and trunk growth was greatest for trees transplanted from the nursery and least for trees that were held in the greenhouse before being transferred to the field. Trees pruned low (35 cm) at planting time had more terminal shoot growth and less trunk cross-sectional area after the first growing season than those pruned high (90 cm). The effect of preplanting cultural practices on vegetative growth diminished in the 2nd year and disappeared by the end of the 3rd year in the orchard. Flowering began in 1985 and was only slightly affected by preplanting cultural practices and pruning treatments. Fruiting was not affected by the treatments.

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Field Performance of Micropropagated Peach Rootstocks and Scion Cultivars of Sour Cherry and Apple (1)

Cited by 15 publications

References 0 publications

A comparison of seed-propagated and micropropagated Amelanchier alnifolia (saskatoon): Yield and yield components in relation to crown architecture characteristics

A comparison of seed-propagated and micropropagated Amelanchier alnifolia (saskatoon): Yield and yield components in relation to crown architecture characteristics

Factors influencing in vitro multiplication and rooting of peach cultivars

Response of Micropropagated Apple Trees to Field Establishment Procedures

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