| Effect of different plant growth regulators on nitrogen metabolism-related indicators, yield and quality in soybean |
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| DOI：10.7606/j.issn.1000-7601.2011.05.09 |
| Key Words: soybean plant growth regulators nitrogen metabolism yield quality |
| Author Name | Affiliation | | SONG Liping | College of Agronomy, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang 163319, China | | LIU Jinhui | Daqing Tadano Import Crane Large-Scale Repair Shop, Daqing, Heilongjiang 163355, China | | ZHENG Dianfeng | College of Agronomy, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang 163319, China | | FENG Naijie | College of Agronomy, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang 163319, China |
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| Abstract: |
| In the field planting conditions, The experiments researched the effects of three plant growth regulators（PGRs） of TIBA,S3307 and DTA on nitrogen metabo
lism related indicators, yield and quality in soybean by spaying in V3 stage. ‘Hefeng50’ and ‘Kennong4’(Glycine max (L.) Merr.), were selected as the experimental materials. The results showed that：The S3307 and DTA-6 increased the activity of Nitrate reductase in soybean leaves by spaying in V3 stage ，increased synthesis of NO3- N and; but the effect was not signigicant to flowers； PGRs decreased abscission cellulose activity in pod and abscission pod
by spaying at R3 stage, the regulation effect of TIBA was the best. Analysis showed that：The plant growth regulators decreased abscission cellulase activity, promoted flowers and pods development of soybean at V3、R1 and R3 stages, Conducive to increasing production. The comprehensive regulation effect is S3307＞DTA-6＞CK＞TIBA. |
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