Photosynthesis and leaf longevity in alder, birch and ash seedlings grown under different nitrogen levels

Koike, Takao; Sanada, M.

doi:10.1051/forest:198905art0106

Cited by 9 publications

(6 citation statements)

References 4 publications

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“…N-concentration at 45 days after fertilization ( Figure 5) and showed higher photosynthetic rates (Table 2). These results are in accordance with the reports of Mooney and Gulmon (1982) and Koike and Sanada (1989). At the subsequent sampling periods after 45 days of fertilization, a decrease in nitrogen concentration and a reduction in photosynthetic rate was recorded.…”

Section: Treatmentssupporting

confidence: 92%

Fertilization Response on Growth, Photosynthesis, Starch Accumulation, and Leaf Nitrogen Status ofCassia siameaLam. Seedlings Under Nursery Conditions

Kannan¹,

Paliwal²

1996

Journal of Sustainable Forestry

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Nitrogen, phosphorus, and potash fertilizers in eight treatment combinations. inchdine. an unfertilized control treatment were given to Cassia siamea seedlings under nursery conditions. This study was carried out to identify the physiological basis of varying growth response due to fertilization. Nitrogenous fertilizer application increased seedling growth, whereas application of phosphorus or potash fertilizers, either separately or in conjunction, did not improve seedling growth. Starch level had increased considerably whenever there was decline in the leaf nitrogen status, even though the photosynthetic rate was reduced drastically. Starch concentration remained significantly higher in leaves of seedlings which

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Section: Treatmentssupporting

confidence: 92%

Fertilization Response on Growth, Photosynthesis, Starch Accumulation, and Leaf Nitrogen Status ofCassia siameaLam. Seedlings Under Nursery Conditions

Kannan¹,

Paliwal²

1996

Journal of Sustainable Forestry

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“…Thus leaf longevity is negatively correlated also with leaf N content (Del Arco et al 1991;Reich et al 1991Reich et al , 1992Diemer et al 1992;Thomas 1992). Experimental addition of nitrogen shortens leaf longevity (Shaver 1981;Koike & Sanada 1989;Tsuchiya 1989;Lajtha & Whitford 1989). Short longevity of leaves with high photosynthetic rate and with high nitrogen contents may be attributable either to the fact that there should be a trade off between to maintain high photosynthetic rate and to maintain it long, or to the fact that the degree of shading of old leaves at the lower position of a shoot by younger leaves at higher positions is great due to vigorous shoot growth.…”

Section: Leaf Longevitymentioning

confidence: 99%

The basis for variation in leaf longevity of plants

Kikuzawa

1995

Vegetatio

102

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Any theory of leaf phenology must predict leaf longevity, leaf habit, leaf expansion and its timing among other variables. These phenological traits may be important keys to understand the response of trees to climatic change.Here I concentrate on and review two of these critical phenological traits, leaf longevity and leaf habit. Theories of leaf longevity were re-evaluated and leaf longevity is concluded to be optimized to maximize plant carbon gain. From this perspective, three points are predicted. Leaf longevity is short when the photosynthetic rate of the leaf is high, when the photosynthetic rate decreases rapidly through time, or when the construction cost of the leaf is small. These predictions are well supported by empirical as well as experimental results on various plant species. The theory, which is extended to seasonal environments, is general and applicable to seasonal as well as aseasonal environments. The theory simulated the bimodal geographic distribution of evergreenness.

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“…3). Another factor may be low rate of photosynthesis in ash; a study by Koike & Sanada (1989) found that ash (Fraxinus mandshurica) had a relatively low rate of photosynthesis across soils with a range of levels of soil nitrogen, when compared with alder (Alnus hirsuta) and birch (Betula maximowcziana).…”

Section: Iforest -Biogeosciences and Forestrymentioning

confidence: 99%

“…5) and they both exhibit high SLA, yet alder had accumulated a greater stem dry weight (Tab. 4), due to a longer period in leaf and potentially due to higher leaf nitrogen content, allowing higher rates of photosynthesis (Koike & Sanada 1989). Ash was the slowest growing species, and had the lowest leaf area (Tab.…”

Section: Iforest -Biogeosciences and Forestrymentioning

confidence: 99%

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A resource capture efficiency index to compare differences in early growth of four tree species in northern England

Leslie¹,

Mencuccini²,

Perks³

2017

iForest

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(2) , Mike P Perks (3) At a trial established in Cumbria, northern England, significant differences in growth rate between tree species were apparent, with cider gum (Eucalyptus gunnii) and alder (Alnus glutinosa) exhibiting most rapid volume and biomass accumulation. Estimations were made of leaf area, specific leaf area, leaf area ratio (based on stem mass not whole tree mass) and length of growing season. These measurements were undertaken to explain tree growth difference and developing a growth potential index based on growing season length and leaf area. The high leaf area of cider gum and alder explained some of their superior growth, while alder also had the longest period in leaf, compared with ash (Fraxinus excelsior) and sycamore (Acer pseudoplatanus). The slow growth of ash can be explained by the short period in leaf and also the relatively low leaf area ratio. Leaf area to stem weight also differed between species with that of ash being relatively low. Specific leaf area was also low for ash, a trait shared with cider gum, which suggests that these species invest highly in each unit of leaf area. Of the tree species assessed, the length of the growing season was longest for alder, enabling it to maintain growth for a longer period. By multiplying growing season by leaf area a resource capture index was calculated and this explained 56% of the variation in stem dry weight between trees. The potential and limitations for using this index are discussed.

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Photosynthesis and leaf longevity in alder, birch and ash seedlings grown under different nitrogen levels

Cited by 9 publications

References 4 publications

Fertilization Response on Growth, Photosynthesis, Starch Accumulation, and Leaf Nitrogen Status ofCassia siameaLam. Seedlings Under Nursery Conditions

Fertilization Response on Growth, Photosynthesis, Starch Accumulation, and Leaf Nitrogen Status ofCassia siameaLam. Seedlings Under Nursery Conditions

The basis for variation in leaf longevity of plants

A resource capture efficiency index to compare differences in early growth of four tree species in northern England

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