| 摘要 |
PCT No. PCT/FI95/00482 Sec. 371 Date Apr. 11, 1997 Sec. 102(e) Date Apr. 11, 1997 PCT Filed Sep. 7, 1995 PCT Pub. No. WO96/41531 PCT Pub. Date Dec. 27, 1996Exogenous use of betaine on tobacco plants improves the yield, especially tobacco plants grown under stress conditions.
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