Scientia Agricultura Sinica ›› 2005, Vol. 38 ›› Issue (12): 2577-2581 .doi: 10.3864/j.issn.0578-1752.at-2005-5272

• RESEARCH NOTES • Previous Articles    

Effects of Plant Growth Regulators on Lodging Resistance of Ramie Culm (Boehmeria nivea L.)

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  • Received:2005-03-15 Revised:1900-01-01 Online:2005-12-10 Published:2005-12-10

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Abstract: The orthogonal rotated combination design on the basis of three factors and five levels was used to investigate the effects of GA3, uniconazole and prime on resistance to lodging resistance and lodging-resistant index of ramie culm. A mathematical model was established as: Y=87.10-9.03X1+8.30X2-9.41X12-12.25X32. It was concluded from the model that when GA3, uniconazole and prime were used at the dosages of 14.29 mg·kg-1, 20.00 mg·kg-1 and 357.00 mg·kg-1 respectively, the lodging-resistant index was the highest(103.23 g·mm-1). The model would be a foundation for feedback trial and popularization.

Key words: Ramie( Boehmeria nivea L.), Plant growth regulators, Lodging resistance, Loding-resistant index

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