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弱光对不同类型番茄干物质积累及矿质营养分配的影响

DOI: 10.3321/j.issn:1000-7091.2006.03.028, PP. 121-124

Keywords: 弱光,番茄,干物质,矿质营养

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Abstract:

在日光温室内研究了弱光对不同类型番茄干物质积累及矿质营养分配的影响。结果表明:中度以上弱光胁迫严重影响植株干物质的积累和分配,同时严重抑制植株对Mg,K的吸收和积累,而对N,P,Ca的积累影响较小,弱光下应合理增施镁肥和钾肥。番茄在弱光环境下,矿质元素在不同器官内的变化幅度不同,N在叶片中积累量的增长幅度最大,K在根系中积累量的增长幅度最大。野生型番茄品系在弱光环境下的干物质积累量下降幅度小于黄化型品系。

References

[1]  Dijk S J,Van de.Differences between genotypes of tomato in foliar contents of total phosphorus,total nitrogen and nitrate nitrogen under low light intensity and low night temperatures[J].J Agri Sci,1986,34:49-55.
[2]  Masuda M,Shimada Y.Diurnal changes in mineral concentrations of xylem exudates in tomato plants and their concentrations as affected by sunlight intensity and plant ages[J].Journal of the Japanese Society for Horticultural Science,1993,61(4):839-845.
[3]  严昶升.土壤肥力研究法[M].北京:农业出版社,1988.
[4]  Shaheen A M,Helal R M.Seedling production of some vegetables under plastic houses a different levels of light intensities[J].Egyptian Journal of Horticulture,1996,22(2):175-192.
[5]  El-Gizawy A M,Comaa H M.Effect of different shading levels on tomato plants.1.Growth,flowering and chemical composition[J].Acta Horticulture,1992,323:341-347.
[6]  张佳程.水杨酸钠一次氯酸钠比色法测定总凯氏氮的研究[J].中国农业科学1999,1:85-88.

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