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| Effect of Root Application of Glycine on Growth，Yield and Quality of Cucumber Grown in Solar Greenhouse in Autumn and Winter |
| WU Longkai1，JIANG Yueshan1，FENG Qian2，SUN Mintao1，YAN Yan1，LI Yansu1，HE Chaoxing1，YU Xianchang1，WANG Jun1* |
| Institute of Vegetables and Flowers，Chinese Academy of Agricultural Sciences，Beijing 100081，China；2College of Horticulture，Hebei Agricultural University，Baoding 071000，Hebei，China |
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Abstract Taking dense spines and glossy type cucumber‘21-19’ as test material，this experiment set root application of glycine with different concentrations （0，3‰，5‰ and 7‰）4 treatments to study the effects of glycine on growth，yield，and quality of cucumber in autumn and winter in solar greenhouse．Results showed that root application of glycine treatment could improve net photosynthetic rate，chlorophyll content and antioxidant enzyme activity of leaves，reduce malondialdehyde content，increase fruit yield，and raise soluble sugar and VC contents in fruit，indicating that root application of glycine could increase yield and improve quality of cucumber by improving photosynthetic rate and antioxidant capacity of leaves．In view of economic consideration，root application of 3‰ oncentration glycine had the best effect．
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Received: 28 September 2021
Published: 16 February 2022
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