Foliar and shoot allometry of pollarded black locust, Robinia pseudoacacia L.

Burner, David; Pote, D. H.; Ares, Adrián

doi:10.1007/s10457-006-0001-y

Cited by 15 publications

(8 citation statements)

References 19 publications

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“…The effect of this confounding was not measured, but black locust is robust in tolerating repeated, annual pollarding across years (Papanastasis et al 1998;Snyder et al 2007). Estimates of leaf and stem mass components (Burner et al 2006) could be used to calculate cattle stocking and rotation intervals on tree browse under similar densities and management as in this study.…”

Section: Discussionmentioning

confidence: 99%

Yield components and nutritive value of Robinia pseudoacacia and Albizia julibrissin in Arkansas, USA

et al. 2007

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Ranchers need alternative livestock feeds when herbaceous forages become limiting in summer. Our objectives were to determine: (1) leaf and stem biomass components, (2) nutritive value [in vitro dry matter digestibility (IVDMD), total nonstructural carbohydrate (TNC), N, and N digestibility] of leaves for animal browse, (3) concentration of the secondary metabolites robinin and mimosine, and (4) in vitro leaf and bark toxicity for black locust (Robinia pseudoacacia L.) and mimosa (Albizia julibrissin Durz.), respectively, pollarded at 50 cm in Arkansas, USA.Black locust exceeded mimosa for every yield component (leaf mass tree -1 , leaves shoot -1 , shoots tree -1 , shoot mass tree -1 , stem basal area, and biomass tree -1 ) except mass leaf -1 . Projected yields were 1,900 and 1,600 kg leaves ha -1 for black locust and mimosa, respectively, assuming a population of 12,300 trees ha -1 . Mimosa leaves had greater IVDMD, TNC, and N digestibility than black locust. Mimosa leaves exceeded the nutritional N requirements of growing cattle (Bos taurus L.) and goats (Capra hircus L.), but protein supplementation would be needed for growing goats grazing black locust leaves. Tissue concentrations of secondary metabolites robinin and mimosine were below detectable limits in black locust and mimosa, respectively. The extract of black locust bark, but not leaves, was toxic to bioassayed African green monkey (Cercopithecus aethiops L.) cells. Either black locust or mimosa could provide moderate quantities of high quality, rotationally grazed forage for goats during summer months when herbaceous forage may in short supply.

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Section: Discussionmentioning

confidence: 99%

Yield components and nutritive value of Robinia pseudoacacia and Albizia julibrissin in Arkansas, USA

et al. 2007

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“…The pollarded tree consists of a clear stem section and a compact and bushy crown. The principle of pollarding is to encourage the tree to produce new growth on a regular basis to maintain a supply of new branches for various purposes, particularly for fuel or fodder (Al Afas, Marron, Dongen, Laureysens, & Ceulemans, 2008;Burner, Pote, & Ares, 2006;Nerlich, Graeff-Hönninger, & Claupein, 2013). Reducing the canopy and, consequently, the leaf area of the trees in agroforestry systems will decrease the shadow of tree crowns and thus raise the level of incident radiation on the crop under the canopy.…”

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confidence: 99%

“…Pollarding timber trees provides an additional production to the agroforestry system exploiting the cut branches biomass for energy, fodder or wooden chips (Burner et al, 2006;Mansion, 2015). In order to account for this supplementary product, the land equivalent ratio (LER) of a plot can be calculated.…”

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confidence: 99%

Does pollarding trees improve the crop yield in a mature alley‐cropping agroforestry system?

Dufour

Gosme

Bęc

et al. 2020

J Agronomy Crop Science

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In agroforestry systems, the canopy of maturing trees progressively reduces the radiation available for the crop. Tree management practices such as pollarding can be used to restore the crop light availability. We monitored durum wheat, barley and pea yields during three consecutive years in an alley‐cropping agroforestry system with hybrid walnut trees in Southern France. Trees have been pruned regularly to 4 m since planting (in 1995), and a section of 50 trees was pollarded at 4 m height for the first time in 2013. We measured the yields and yields components in the two different tree management systems and in a sole crop control. The non‐pollarded trees reduced significantly the incident light (around 80% of the global radiation left in average) and both wheat (68% of the control) and pea (69% of the control), but not barley mean yields. In pollards inter‐row, the average incident light was 98% of the total radiation the first year and the wheat yield 89% of the control. But 3 years after pollarding, the incident light was 79% of the total radiation and the pea yield was only 67% of the control. Pollarding had a transient positive impact on crop yield; after 3 years, pollards were more competitive for light than control trees. Pollarding may also reduce the belowground trees competition, but slightly, as the crop vegetative growth occurs when the trees are leafless.

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“…Moreover, as its connected subterranean root distribution helps to reduce soil erosion and provide nitrogen, black locust has become one of the most ecologically important plant species to reclaim devastated lands and promote soil stabilization (Boring and Swank, 1984a, b;Bożena et al, 2009). The economic and ecological value of this tree enhances the planting of black locust throughout of the world (Woo et al, 1997;Cho, 1999;Degomez and Wagner, 2001;Rédei, 2002;Rédei et al, 2002;Zerbe et al, 2004;Kim and Lee, 2005;Burner et al, 2006).…”

Section: Introductionmentioning

confidence: 97%

Genetic diversity analysis of black locust (Robinia pseudoacacia L.) distributed in China based on allozyme markers approach

Yang

Wang

et al. 2010

Front. Agric. China

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Genetic diversity analysis of black locust (Robinia pseudoacacia L.) distributed in China based on allozyme markers approach Abstract Using starch gel and polyacrylamide gel electrophoresis, the genetic diversity of 19 populations of black locust (Robinia pseudoacacia L.) distributed in China has been evaluated based on seven allozyme systems. Among the 14 enzyme loci studied, 12 of them showed polymorphic, giving a total of 40 alleles. The average allelic number (A) and the average effective allelic number (Ae) were 3.004 and 2.178, whereas the average of expected heterozygosity (He) and the observed heterozygosity (Ho) were 0.525 and 0.440, respectively. The total genetic differentiation (H T ) in the 19 populations tested was 0.536, including 0.515 within population (H S ) and 0.021 among populations (D ST ). The mean coefficient of genetic differentiation (G ST ) was 0.038, indicating that 3.8% of genetic differentiation was resulted from the populations, and the rest from those within the population. The genetic distance among the 19 populations was small, ranging from 0.015 to 0.065. Cluster analysis based on AVERAGE showed that populations with closer geographical distribution had higher genetic similarity than that in populations with far away distribution. There was no evident geographic differentiation pattern in Chinese black locust populations at a biochemical level.

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Foliar and shoot allometry of pollarded black locust, Robinia pseudoacacia L.

Cited by 15 publications

References 19 publications

Yield components and nutritive value of Robinia pseudoacacia and Albizia julibrissin in Arkansas, USA

Yield components and nutritive value of Robinia pseudoacacia and Albizia julibrissin in Arkansas, USA

Does pollarding trees improve the crop yield in a mature alley‐cropping agroforestry system?

Genetic diversity analysis of black locust (Robinia pseudoacacia L.) distributed in China based on allozyme markers approach

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