GUO Fang,LIU Haipeng,LI Baoguo,et al.Effect of Light Quality on Growth and Partial Physiological and Biochemical Characteristics of Red Raspberry Tissue Culture Plantlets[J].Northern Horticulture,2016,40(22):15-19.[doi:10.11937/bfyy.201622004]
光质对红树莓组培苗生长及部分生理生化特性的影响
- Title:
- Effect of Light Quality on Growth and Partial Physiological and Biochemical Characteristics of Red Raspberry Tissue Culture Plantlets
- Keywords:
- light quality; red raspberry; tissue culture plantlets; growth
- 文献标志码:
- A
- 摘要:
- 以红树莓‘海尔特兹’继代组培苗为试材,研究了不同光质处理下红树莓生根组培苗的形态、抗氧化酶活性以及碳氮代谢,以确立红树莓组培生根苗生长的适宜光质。结果表明:随着R/B(红蓝比)的增加,红树莓生根组培苗的株高由1514 cm逐渐增加到最大值1638 cm,在4R/B(红∶蓝=4∶1)处理下表现为最大值,但与对照W(白光)之间差异不显著,随后株高又随着R/B的增加而减小,在10R/B(红∶蓝=10∶1)处理下表现为最小值0681 cm,显著小于对照W;茎粗则随着R/B的增加由最大值0101 cm逐渐减小到最小值0076 cm,R/4B(红∶蓝=1∶4)处理下表现为最大值,与对照W之间差异显著,10R/B处理下表现为最小值,与对照W之间差异不显著;叶面积、生根率以及根长与茎粗呈现相同的变化趋势,均随着R/B的增加而减小,在R/4B处理下表现为最大值,分别为0751 cm2、0786、1369 cm,在10R/B处理下表现为最小值,分别为0211 cm2、0357、0369 cm;SOD及CAT活性均随着R/B的增加逐渐由R/4B处理下的最小值(1832 μg?g-1FW、H2O2 5902 mg?g-1FW)增加到10R/B处理下的最大值(10953 μg?g-1FW、H2O2 46978 mg?g-1FW);POD活性随着R/B的增加先由R/4B处理下的最小值(5511 μg?g-1FW)逐渐增加到4R/B处理下的最大值(20934 μg?g-1FW),随后又随着R/B的增加逐渐减小;MDA含量随着R/B的增加逐渐由R/4B处理下的最小值(7357 nmol?g-1FW)逐渐增加到10R/B处理下的最大值(10880 nmol?g-1FW),极显著高于对照W;碳水化合物含量随着R/B的增加由200204 mg?g-1增加到最大值313917 mg?g-1,在R/B处理下表现为最大值,且极显著高于对照W,随后又随着R/B的增加逐渐减小到最小值154172 mg?g-1,显著低于对照W;游离氨基酸含量随着R/B的增加逐渐由R/4B处理下的最小值(16903 mg?g-1)增加到10R/B处理下的最大值(33180 mg?g-1);可溶性蛋白质含量随着R/B的增加逐渐由R/4B处理下的最大值(12507 mg?g-1)减小到10R/B处理下的最小值(2147 mg?g-1)。
- Abstract:
- In order to establish suitable light quality for the growth of red raspberry tissue culture plantlets,using red raspberry ‘Heritage’ tissue culture plantlets as experimental material,the morphology,anntioxidant enzyme activity,carbon and nitrogen metabolism were studied.The results showed that,with the increasing of R/B(ratio of red to blue),red raspberry tissue culture plantlet′s height gradually increased from 1514 cm to a maximum of 1638 cm,it was the maximum value at 4R/B(red∶blue=4∶1),but the difference was not significant with W(white),then the height of the plant decreased with the increase of R/B,the minimum value was 0681 cm at 10R/B(red∶blue=10∶1),significantly less than the W.Stem diameter from a maximum of 0101 cm reduced to the minimum value of 0076 cm with the increase of R/B,it was the maximum value at R/4B(red∶blue=1∶4),the difference was significant with W,it was the minimum value at 10R/B.Leaf area,rooting rate and root length showed the same trend with stem diameter,all decreased with the increase of R/B,it was the maximum value at R/4B,was 0751 cm2,0786,1369 cm,it was the minimum value at 10R/B,was 0211 cm2,0357,0369 cm;SOD and CAT activity increased gradually from the minimum value(1832 μg?g-1FW,H2O25902 mg?g-1FW) of R/4B to the maximum value(10953 μg?g-1FW,H2O2 46978 mg?g-1FW) of 10R/B with the increase of R/B;POD activity increased gradually from the minimum value(5511 μg?g-1FW) of R/4B to the maximum value(20934 μg?g-1FW) of 4R/B,and then gradually decreased with the increase of R/B;MDA content increased gradually from the minimum value(7357 nmol?g-1FW) of R/4B to the maximum value(10880 nmol?g-1FW) of 10R/B with the increase of R/B.Carbohydrate content increased gradually from 200204 mg?g-1 to the maximum value(313917 mg?g-1),it was the maximum value at R/B and very significantly higher than W,then gradually decreased with the increasing of R/B,the minimum value was 154172 mg?g-1 at 10R/B,significantly lower than W.The content of free amino acid increased gradually from the minimum value(16903 mg?g-1) of R/4B to the maximum value(33180 mg?g-1) of 10R/B with the increase of R/B.Soluble protein content gradually decreased from the maximum value(12507 mg?g-1) of R/4B to the minimum value(2147 mg?g-1) of 10R/B with the increase of R/B.
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备注/Memo
第一作者简介:郭芳(1990-),女,河北卢龙人,硕士研究生,研究方向为经济林栽培生理。E-mail:guofang901003@163.com.责任作者:李保国(1958-),男,河北武邑人,博士,教授,博士生导师,现主要从事经济林栽培生理与山区开发技术研究及经济林栽培教学等工作。E-mail:lbg888@163.com.基金项目:河北省“十二五”科技支撑资助项目(16226806D);国家现〖JP5〗代农业科技城成果惠民科技示范工程资助项目(Z141100002314009)。