Energy-saving night temperature regime for satsuma mandarins (citrus unshiu marc.) grown in a plastic house with heating. I. effect of temperature and water condition on fruit growth and quality

Taku Yano, Kimiaki Matsubara, Moe Shimooka, Akira Tamanoi, Minoru Narahara, Masatoshi Kawano, Shunichiro Ito, Shuji Setoyama, Etiko Yasunaga, Takuya Araki, Masaharu Kitano

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

In this study, we discussed how temperature and other environmental factors affect the fruit growth and quality of Satsuma mandarin grown in a plastic house with heating. At 14-23°C, the average nighttime air temperature was positively correlated with the standardized fruit growth rale (GRFSt) in the young stage, in contrast, GRFStwas clearly depressed with a daytime air temperature at around 30°C, and the optimum air temperature for active fruit growth was 25°C. Moreover, in the middle and mature stages, the air temperature did not correlate with the GRFst. These results indicate that, in the young stage, the air temperature should be controlled at around 25°C during the daytime and 20-23°C during the nighttime for active fruit growth. In the middle and mature stages, fruit growth might not require nighttime air temperatures that are as high as 20-23°C. The air temperatures did not correlate with the fruit soluble sugar content (SSC); in contrast, a close relationship was found between the predawn xylem water potential (ΨXy) and SSC. The day temperature, radiation and ΨXywere linearly correlated with the fruit titratabie acidity (TA) in the young stage.

Original languageEnglish
Pages (from-to)161-166
Number of pages6
JournalEnvironmental Control in Biology
Volume52
Issue number3
DOIs
Publication statusPublished - Jan 1 2014

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satsumas
Citrus unshiu
night temperature
air temperature
plastics
heat
fruits
energy
temperature
water
sugar content
xylem water potential
acidity
environmental factors

All Science Journal Classification (ASJC) codes

  • Agronomy and Crop Science
  • Plant Science

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Energy-saving night temperature regime for satsuma mandarins (citrus unshiu marc.) grown in a plastic house with heating. I. effect of temperature and water condition on fruit growth and quality. / Yano, Taku; Matsubara, Kimiaki; Shimooka, Moe; Tamanoi, Akira; Narahara, Minoru; Kawano, Masatoshi; Ito, Shunichiro; Setoyama, Shuji; Yasunaga, Etiko; Araki, Takuya; Kitano, Masaharu.

In: Environmental Control in Biology, Vol. 52, No. 3, 01.01.2014, p. 161-166.

Research output: Contribution to journalArticle

Yano, Taku ; Matsubara, Kimiaki ; Shimooka, Moe ; Tamanoi, Akira ; Narahara, Minoru ; Kawano, Masatoshi ; Ito, Shunichiro ; Setoyama, Shuji ; Yasunaga, Etiko ; Araki, Takuya ; Kitano, Masaharu. / Energy-saving night temperature regime for satsuma mandarins (citrus unshiu marc.) grown in a plastic house with heating. I. effect of temperature and water condition on fruit growth and quality. In: Environmental Control in Biology. 2014 ; Vol. 52, No. 3. pp. 161-166.
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