Effects of Different Temperature and Different Light Qualities on  Growth of Cucumber Seedlings(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Effects of Different Temperature and Different Light Qualities on  Growth of Cucumber Seedlings

Author(s):: HE Weiming1; 2; LIU Pangyuan1; 2; WU Zhanhui1; 2; LIU Mingchi1; 2; (1.Beijing Vegetable Research Center,Beijing Academy of Agriculture and Forestry Sciences,Beijing 100097;2.Key Laboratory of Urban Agriculture (North),Ministry of Agriculture,Beijing 100097)

Abstract:: Cucumber was used as test materials,the effects of different temperature and different light qualities generated by LED on growth of cucumber seedlings were studied.Treatments were designed with red LED (R)，blue LED (B) and the complex light of red and blue LED (R/B=5∶5，6∶4，7∶3)，compared to the treatment of white fluorescent light(CK)．The results showed that the cucumber seedlings had a bad growth status under only red or blue LED．Comprehensive various characteristics，under the conditions of 270 μmol?m-2?s-1light intensity and 14 h?d-1 photoperiod，the treatment of R/B=7∶3 LED was suitable for the growth of cucumber seedlings at 8 h?d-1 30 ℃,16 h?d-1 23 ℃，the treatment of R/B=6∶4 LED was suitable for the growth of cucumber seedlings at 8 h?d-1 32 ℃,16 h?d-1 26 ℃．

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Last Update: 2017-05-11