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球根花卉抗寒生理指标和抗寒性的关系研究.pdf

花匠小妙招
2024-11-21 06:48

安徽农业科华，Joumal C Anhui Ap;rí. Sd.20 1O,38(34) :19256 -19257 责任编辑郑丹丹货任校对卢瑶球根花卉抗蝶生理指标和抗寒性的关系研究类晓鸣，汤晓，张丈睛，吕文涛，周五珍 (苏州农业职业技术学院，江苏苏州 215∞8) 摘要 [阔的]探讨球根花卉抗寒虽已然指标和抗来性的关系。[方法]以5 种然根花卉叶片为试骏材料，测定随气混变化，其令水资、相对电导S辑、可溶性蛋白质的变化与抗寒，性的关系_ l 结果)5 种球根花卉叶片合水曼和混成反正比例关系;相对电导4-和混皮又反比例关系.抗寒性弱的J各种叶片合水最高，相对电斗争率高;可溶性蛋白含量和短时的降温相关不密切，受升花期的影响。[结论j 叶片合水素和相对电，J-率可以初步测定*根花卉的抗寒蚀，可溶性骨§白含量不宜且在独用作路根花卉抗寒性的鉴定指标。关键诩 J;jtt民花卉;~号水登:相对也导4-;可2草-1:生姿白质;抗寒性中图分类号 5682.2 文献标识码 A 文鑫编号 0517 -6611 (2010)34 -19256 响。2 Study 00 Relationship西 betweeo the Physiology Indices and Cold Resistance of Flower Bulbs • LOU Xiao-ming et al ( 5uzhωu Polyttchnic Institute of Agriculture , Suzhou , Jiangsu 215(08) Abstract [ Objective JThe research aimed to sludy relationshi阳 between the physiology imlices and cold resistance of f1 0wer bulbs. [Meth- od 1Wilh Ihe leaves of 5 f10wer bulbs as the tesl materials , the relationship of its water content , relative conductivity , 801uble protein content with its cold resistance were examined with the charge of temperature. [Result 1Water content was positively correlated with temperature change in 5 日owel bulbs while relative conductivity was negatively correlated with temperature. 叽1e varieties with poor cold resistance showed high wωer content and relative conductivity. The content of 仰luble protein was affected by f1 0rescence of f10wer hulbs while had no c10时 corre lation with 曲。叫什ime cooling. [Condusion 1TIlI waler conlent and relative conductivity of leaves could be used for the preliminary delermina刷 tion of the cold tolerance of flower bulbs , while the soluble proteill contenl w制 not sllilableωbel捕时翩翩 appraisal index independently for the cold resistance of f1 0wer bulbι Key words Flower bulbs; Water content; Relative conductívíty; Soluble proteín conlent; Cold Resístance 球根花卉种类丰富、适应性强、战培便利，在切花、盆花