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| Primary Studies about Root Exudates from Different Wheat Cultivars on Cucumber Allelopathy |
| MA Ya-fei, YANG Ping, WU Feng-zhi* |
| Horticulture College of Northeast Agricultural University, Harbin 150030, Heilongjiang, China |
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Abstract Taking 40 wheat cultivars in Heilongjiang Province as donor and‘Jinyou No.1’cucumber（Cucumis sativus L?）as accepter, allelopathy of root exudates from different wheat cultivars on cucumber seedlings were investigated in petri dish experiment. Results showed that different wheat cultivars had different allelopathy on cucumber germination rate, radicle length, radicle and shoot fresh weight. Judging from synthesize effect（SE）value,‘Longfu 04-0348’had the most significant stimulatory effect, and‘Longfu 17’had the most significant inhibitory effect, their SE values were -15.37 % and 7.76 %, respectively.
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Received: 16 December 2010
Published: 22 February 2011
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