Short-term effects of warming treatment and precipitation manipulation on the ecophysiological responses of pinus densiflora seedlings

Soon Jin Yun, Saerom Han, Seung Hyun Han, Seongjun Kim, Guanlin Li, Minji Park, Yo Whan Son

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The aim of this study was to investigate the short-term effects of warming treatment and precipitation manipulation on the growth, photosynthetic rate, and chlorophyll content of Pinus densiflora seedlings based on a climate change scenario in Korea. Two year old P. densiflora seedlings were planted in a nursery in April 2013. The air temperature of warmed plots (W) was set to increase by 3 °C compared to control plots (C) using an infrared heater in May 2013. The three precipitation manipulations consisted of decreased precipitation using transparent panels (–30%; P), increased precipitation using pumps and drip irrigation (+30%; P+), and a control (0%; P0). Root collar diameter and seedling height of P. densiflora were measured in April and October 2013. Net photosynthetic rate and total chlorophyll contents were measured from June to October 2013. Warming treatment increased the growth of root collar diameter, and the interaction effect of the warming treatment and precipitation manipulation on it was also significant. In contrast, no significant effects were found for the growth of seedling height. These results demonstrate that warming treatment might affect the growth of root collar diameter and seedling height differently. It was also found that WP– treatment decreased net photosynthetic rates. This pattern might be due to the soil moisture availability, as soil moisture content was lowest in the WP– treatment and net photosynthetic rate was elevated with increasing soil moisture content. Meanwhile, warming treatment increased the total chlorophyll content. The results suggest that chlorophyll synthesis was promoted by a temperature increase in the leaves. The current study, which simulated a climate change environment in an open field, provides important information for the prediction of the ecophysiological effects of changes in temperature and precipitation on P. densiflora seedlings in Korea.

Original languageEnglish
Pages (from-to)621-630
Number of pages10
JournalTurkish Journal of Agriculture and Forestry
Volume40
Issue number4
DOIs
Publication statusPublished - 2016

Fingerprint

Pinus densiflora
Pinus
Seedlings
warming
seedling
root crown
Chlorophyll
seedlings
chlorophyll
Soil
soil moisture
Climate Change
Korean Peninsula
Korea
soil water content
Growth
infrared heaters
Temperature
climate change
moisture content

Keywords

  • Climate change
  • Japanese red pine
  • Precipitation manipulation
  • Seedling growth
  • Warming treatment

ASJC Scopus subject areas

  • Food Science
  • Ecology
  • Forestry

Cite this

Short-term effects of warming treatment and precipitation manipulation on the ecophysiological responses of pinus densiflora seedlings. / Yun, Soon Jin; Han, Saerom; Han, Seung Hyun; Kim, Seongjun; Li, Guanlin; Park, Minji; Son, Yo Whan.

In: Turkish Journal of Agriculture and Forestry, Vol. 40, No. 4, 2016, p. 621-630.

Research output: Contribution to journalArticle

Yun, Soon Jin ; Han, Saerom ; Han, Seung Hyun ; Kim, Seongjun ; Li, Guanlin ; Park, Minji ; Son, Yo Whan. / Short-term effects of warming treatment and precipitation manipulation on the ecophysiological responses of pinus densiflora seedlings. In: Turkish Journal of Agriculture and Forestry. 2016 ; Vol. 40, No. 4. pp. 621-630.
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