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Journal of Agriculture ›› 2016, Vol. 6 ›› Issue (7): 90-95.doi: 10.11923/j.issn.2095-4050.cjas16020009

Special Issue: 园艺

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Scant Light on Strawberry in Greenhouse

  

  • Received:2016-02-24 Revised:2016-03-07 Accepted:2016-03-25 Online:2016-07-18 Published:2016-07-18

Abstract: Strawberry cultivar‘hongyan’was chosen to undergo a scant light experiment of artificial control light combining with natural weather conditions, and the photosynthesis parameters, chlorophyll content, fruit number, fruit sugar content and external form of strawberry were measured under different sunlight shortage treatments. The results showed that: the net photosynthetic rate, stomatal conductance and the transpiration rate of strawberry leaves were significantly lower than that under the natural sunlight, but the intercellular CO2 concentration changed oppositely. The behavior of chlorophyll content slightly increased initially then sharply decreased as the scant light time went on. The strawberry growth, fruit number and fruit quality would be significantly affected if the scant light continued for more than 7 days. The scant light disaster indicators of strawberry in greenhouse were identified on the basis of comprehensively analyzing the experimental results: the duration of 1-6 days’scant light could be regarded as mild disaster (grade Ⅰ), the duration of 7-10 days’ scant light could be regarded as moderate hazard (grade Ⅱ), and 10 days or more as severe disaster (grade Ⅲ). The results can provide sc

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