悬浮泥沙对亚洲苦草幼苗生长发育的影响
INFLUENCE OF SUSPENDED SUBSTANCE ON GROWTH OF THE SEEDLINGS OF VALLISNERIA ASIATICA MIKI L.
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摘要: 将亚洲苦草(Vallisneria asiatica Miki L.)幼苗植株种植于浊度分别为30NTU、60NTU和90NTU的悬浮泥沙水体中,统计各处理苦草幼苗的生长发育状况,并使用水下饱和脉冲叶绿素荧光仪(DIVING-PAM)测定PSⅡ最大量子产量(FV/Fm)、实际光化学效率(Yield)、光化学荧光淬灭系数(qP)、非光化学荧光淬灭系数(qN)、表观电子传递效率(ETR)以及快速光响应曲线。结果表明,实验第5天,悬浮泥沙对于苦草幼苗的存活、生长发育及光合作用影响不显著(p2.s,而60NTU、90NTU组则只有17μmolquanta/m2.s,远低于对照组的248μmol quanta/m2.s。Abstract: The seedlings of Vallisneria asiatica Miki L. were planted in the turbid water with different turbidities of 30NTU,60NTU and 90NTU which was caused by suspended substance. The growth of the seedlings of Vallisneria asiatica Miki L. ineach treatment was investigated. Photosystem II (PSⅡ)photochemical efficiency (Fv/ Fm ratio), actual photochemical efficiency (Yield), photochemical quenching (qP), non2photochemical quenching (qN), electron2transport rate (ETR) and rapid2lightcurves were measured by submersible, pulse2amplitude modulated (PAM)fluorometer: Diving2PAM. The result showed that inthe fifth day, survival,growth and photosynthesis of the seedlings of Vallisneria asiatica Miki L werenot influenced markedly(p>0.05),the seedlings of Vallisneria asiatica Miki L. protected PSⅡby increasing heat dissipating. Survival,growth and photosynthesis of the seedlings of Vallisneria asiatica Miki L were influenced markedly (p2·s, but 60NTU and 90NTU was only 17μmol quanta/ m2·s, all of these wereless than the control group which was 248μmol quanta/ m2·s.
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[1] You W H, Song Y C. Seed germination ecology of three submergedmacrophytes in Dianshan Lake[J]. Chinese Journal of Applied Ecology, 1995, 6 (2): 196-200[由文辉,宋永昌.淀山湖种沉水植物的种子萌发生态.应用生态学报, 1995, 6 (2): 196-200]
[2] Spence D N H. The zonation of plants in freshwater lakes[J]. Adv.Ecol. Res, 1982, 12: 37-125
[3] Davis G J, Brinson M M. Responses of submersed vascular plant communities to environmental change[J]. FWS/OBS279/33, 1980,70
[4] Barko J W, Adame M S, Clesceri N L. Environmental factoes and their consideration in the management of submersed aquatic vegetation: A review[J]. Aquat. Plant Manage, 1986, 24: 1-10
[5] Korschgen C E, Green W L, Kenow K P. Effects of irradiance on growth and winter bud production by Vallisneria Americana and consequences to its abundance and distribution[J]. Aquatic Botany,1997, 58: 1-9
[6] Schreiber U, Bilger W, Neubauer C. Chlorophyll fluorescence as a nonintrusive indicator for rapid assessment of in vivo photosynthesis[J]. Ecol Studies, 1994, 100: 49-70
[7] Franklin L A. The effects of temperature acclimation on the photoin hibitory responses of Ulva rotundata[J]. Blid Planta, 1994, 192:324-331
[8] Schreiber U, Schliwa U, Bilger W. Continuous recording of photochemical and nonphotochemical chlorophyll fluorescence quenching with a new modulation fluorometer[J]. Photosynth Res, 1986, 10:51-62
[9] Bolhar-Nordenkampf H R, Long S P, Baker N R, et al. Chlorophyll fluorescence as a probe of the photosynthetic competence of leaves inthe field: a review of current instrumentation[J]. Funct Ecol,1989, 3: 497-514
[10] Krause G H, Weis E. Chlorophyll fluorescence and photosynthesis:the basics[J]. Ann Rev Plant Physiol, 1991, 42: 313-349
[11] Yan S Z. Illustration of Aquatic Botany[M]. Science Press. 1983, 237-238[颜素珠.中国水生高等植物图说.科学出版社.1983, 237-238]
[12] Bilger W, Bj rkman O. Role of the xanthophyll cycle in photoprotection elucidated by measurements of light induced absorbance changes,fluorescence and photosynthesis in leaves of Hedera canariensis[J].Photosynth Res, 1990, 25: 173-185
[13] Schreiber U, Bilger W. Cholorphyll fluorescence: New instruments for special application[A]. In: Schulze E Dand, Caldwell M M(Eds.), Ecophysiology of photosynthesis[C]. Berlin: Springer Verlag. 1994, 147-150
[14] Schreiber U, Gademann R, Ralph P J, Larkum A W D. Assessment of photosynthetic performance of Prochloron in Lissoclinum patella inhospite by chlorophyll fluorescence measurements[J]. Pl Cell Physiol, 1997, 38: 945-951
[15] Li W,Zhong Y. Theory and method of aquatic botany research[M].Wuhan:Central China Normal University Press. 1992, 4[李伟,钟扬.水生植被研究的理论和方法.武汉:华中师范大学出版社. 1992, 4]
[16] Hui H X,Xu X,Li Q R. Exogenous betaine improves the photosynthesis of Lycium barbarum under salt stress[J]. Acta Bot. Boreal.Occident. Sin,2003,23 (12): 2137-2422[惠红霞,许兴,李前荣.外源甜菜碱对盐胁迫下枸杞光合功能的改善.西北植物学报,2003,23 (12):2137-2422]
[17] Yu S W,Tang Z C. Plant physiology and molecular biology[M]. Beijing:Science Press. 1998,262-267[余叔文,汤章成.植物生理与分子生物学.北京:科学出版社. 1998,262-267]
[18] Zhang S R. A discussion chlorophyll fluorescence kinetics parameters and their significance[J]. Chinese Bulletin of Botany,1999,16 (4):444-448[张守仁.叶绿素荧光动力学参数的意义及讨论.植物学通报,1999,16 (4):444-448]
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