Structural Manipulation for Improved Performance in Woody Plants

Loreti, F.; Pisani, P. L.

doi:10.21273/hortsci.25.1.64

Cited by 13 publications

(7 citation statements)

References 24 publications

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“…Assuming that the total biomass production is not increased by the treatments, a considerable change in growth allocation must have taken place. In many cultivated tree species, bud and branch manipulations have considerable practical value (e.g, Loreti and Pisani 1990)-understanding and controlling the underlying mechanisms would be even more effective.…”

Section: Discussionmentioning

confidence: 99%

Bud set in Abies nordmanniana Spach. influenced by bud and branch manipulations

Rasmussen¹,

Soerensen²,

Andersen

2003

Trees - Structure and Function

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Buds and branches were experimentally removed in spring from 3-year-old seedlings of Abies nordmanniana to stimulate growth allocation to the leader. Great allocation changes were observed the same year, not only to the leader but also to bud formation. Subapical buds, 'whorl buds', increased in average number from 4.5 up to 5.0, their diameter increased up to 36%, and the number of new lateral buds increased up to approximately 300%. Treatments involving the subapical ("whorl") buds had stronger effects than those involving other lateral buds and branches. The observations raise some questions as to the possible selforganizing mechanisms of a Massart architectural type tree and are discussed in relation to functionality and application for forestry.

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Section: Discussionmentioning

confidence: 99%

Bud set in Abies nordmanniana Spach. influenced by bud and branch manipulations

Rasmussen¹,

Soerensen²,

Andersen

2003

Trees - Structure and Function

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“…Grafting was performed in August 2005. We trained the trees to a free spindle . Uniform thinning was applied to all the trees in early May (stone hardening period), leaving approximately 6 cm between the remaining fruit.…”

Section: Methodsmentioning

confidence: 99%

Fruit Quality of Redhaven and Royal Glory Peach Cultivars on Seven Different Rootstocks

Oražem

Štampar

Hudina

2011

J. Agric. Food Chem.

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Two peach cultivars, Redhaven and Royal Glory, grafted on seven different rootstocks (Adesoto, Barrier 1, GF 677, Ishtara, Monegro, Penta, and peach seedling) were analyzed for tree vigor and yield. Fruit of similar ripeness (fruit firmness) was analyzed in terms of pomological (fruit weight, soluble solids content) and biochemical parameters (individual sugars, organic acids, phenolic acids in the flesh and peel, as well as flavonols and anthocyanins in the peel). A uniform effect of rootstock on tree size was evident in the cases of both cultivars. The Ishtara rootstock induced weak tree growth; Adesoto, Penta and peach seedling semivigorous growth; and Barrier 1, GF 677, and Monegro vigorous tree growth. We recorded higher yields in the Redhaven cultivar, while no significant differences in yield in the fourth growing season were found among the rootstocks for each cultivar. Rootstock had no effect on soluble solids in the Redhaven cultivar, while in the Royal Glory it did. Penta yielded the highest soluble solids content levels, while Adesoto and Monegro were associated with low levels. In the fruit from both cultivars, the rootstock had a significant influence on individual sugars, organic acids, and phenolic acids in the pulp. We also found that phenolic acids in the pulp and skin were more affected by the rootstock than other secondary metabolites analyzed, regardless of the cultivar.

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“…Although there is some disagreement in distinguishing between the meaning of the terms ''apical dominance'' and ''apical control'' (Martin, 1987;Loreti and Pisani, 1990;Wilson, 1990), the former is usually used in a narrow sense with respect to herbaceous plants to specify control (or correlative influence) by the shoot apex over axillary bud outgrowth and in a broader sense also to include control over orientation of lateral branches and leaves as well as over the growth of branches, rhizomes, stolons, and tubers and, finally, correlative influence over leaf abscission (Hillman, 1984). Brown, McAlpine, and Kormanik (1967) introduced the use of the term ''apical control'' for woody plants because of the complex branching associated with periodic sprouting of buds from year to year.…”

Section: Apical Dominance Vs Apical Controlmentioning

confidence: 99%

Concepts and terminology of apical dominance

Cline¹

1997

American J of Botany

265

189

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Apical dominance is the control exerted by the shoot apex over lateral bud outgrowth. The concepts and terminology associated with apical dominance as used by various plant scientists sometimes differ, which may lead to significant misconceptions. Apical dominance and its release may be divided into four developmental stages: (I) lateral bud formation, (II) imposition of inhibition on lateral bud growth, (III) release of apical dominance following decapitation, and (IV) branch shoot development. Particular emphasis is given to discriminating between Stage III, which is accompanied by initial bud outgrowth during the first few hours of release and may be promoted by cytokinin and inhibited by auxin, and Stage IV, which is accompanied by subsequent bud outgrowth occurring days or weeks after decapitation and which may be promoted by auxin and gibberellin. The importance of not interpreting data measured in Stage IV on the basis of conditions and processes occurring in Stage III is discussed as well as the correlation between degree of branching and endogenous auxin content, branching mutants, the quantification of apical dominance in various species (including Arabidopsis ), and apical control in trees.

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Structural Manipulation for Improved Performance in Woody Plants

Cited by 13 publications

References 24 publications

Bud set in Abies nordmanniana Spach. influenced by bud and branch manipulations

Bud set in Abies nordmanniana Spach. influenced by bud and branch manipulations

Fruit Quality of Redhaven and Royal Glory Peach Cultivars on Seven Different Rootstocks

Concepts and terminology of apical dominance

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