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Chinese Agricultural Science Bulletin ›› 2019, Vol. 35 ›› Issue (13): 70-73.doi: 10.11924/j.issn.1000-6850.casb18010059

Special Issue: 园艺

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Chilling Requirements of Main Sweet Cherry Cultivars in Shanxi Province

  

  • Received:2018-01-11 Revised:2018-03-15 Accepted:2018-03-23 Online:2019-05-05 Published:2019-05-05

Abstract: To provide certain references on sweet cherry cultivation in greenhouse, chilling requirements of 9 sweet cherry cultivars were calculated using 0-7.2℃ model. The branches of‘Hongmanao’,‘Hongdeng’, ‘Longguan’,‘Longxu’,‘Black Tartarian’,‘Tieton’,‘Rainier’,‘Крупноплодная’,‘Lapins’were collected in Shanxi Province, and their chilling requirements were estimated after low- temperature treatment. The results showed that, chilling requirements were different among the 9 cultivars, and ranged from 500-750 h. Moreover, there were differences between the chilling requirements of flower bud and leaf bud in some cultivars, and there was no obvious correlation between chilling requirements and fruit development period.

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