SUN Min,YAO Haiyan,REN Xuqin,et al.Relieved Allelopathy Effect of Attapulgite for Garlic Bulb Aqueous Extracts on Cabbage[J].Northern Horticulture,2016,40(24):31-34.[doi:10.11937/bfyy.201624008]
凹土对甘蓝的大蒜鳞茎浸提液化感胁迫的缓解效应
- Title:
- Relieved Allelopathy Effect of Attapulgite for Garlic Bulb Aqueous Extracts on Cabbage
- Keywords:
- attapulgite; cabbage; garlic bulb aqueous extracts; allelopathy
- 文献标志码:
- A
- 摘要:
- 以市售的白皮蒜为供试材料,以“京丰一号”甘蓝为受体材料,设置大蒜浸提液浓度为0、10、30、50、70、90、100 g?L-1,对甘蓝种子进行处理,测定其发芽率及发芽势;将凹土添加量分别设定为0、20、40、60 g?kg-1,将大蒜浸提液分别设定为0、100、300、500、700 g?L-1,共20个处理,测定甘蓝的株高、叶绿素含量、根系活力和超氧化物歧化酶(SOD)活性等各项生长及生理指标,以探讨大蒜鳞茎浸提液对甘蓝的化感效应及凹土对大蒜鳞茎浸提液胁迫下甘蓝生长的缓解效应。结果表明:大蒜浸提液浓度越高,甘蓝种子的发芽率、发芽势及甘蓝的各项生长及生理指标越低;随大蒜浸提液浓度的提高,甘蓝生长和生理指标显著降低;添加凹土含量为20~40 g?kg-1的大蒜浸提液处理,甘蓝的叶绿素含量和根系活力等生长和生理指标较高,SOD活性和过氧化氢酶(CAT)活性较高,丙二醛含量较低,凹土对大蒜浸提液胁迫下的甘蓝生长状况改善明显。
- Abstract:
- To explore the allelopathy of garlic bulb aqueous extracts on cabbage and relieve the effect of attapulgite for allelopathy about garlic bulb aqueous extracts on cabbage,used the concentration of garlic bulb aqueous extracts(0,10,30,50,70,90,100 g?L-1)to deal with cabbage seeds and its germination rate and germination potential were measured.In addition additive amount of attapulgite was 0,20,40,60 g?kg-1 respectively,the concentration of garlic bulb aqueous extracts was 0,100,300,500,700 g?L-1 respectively,total treatments were 20.The physiology and growth characteristics of cabbage for every treatment were determined,for example plant height,chlorophyll content,root activity and SOD activity ect.Experimental results showed that the treatments of the higher the concentration of garlic extract had the lower germination rate,germination potential and those physiology and growth characteristics.The chlorophyll content of cabbage,root activity of cabbage and every physiology and growth characteristics were higher,activities of SOD and CAT were higher,but MDA content were lower on the treatments of additive amount of allelopathy which was 20-40 g?kg-1 with garlic bulb aqueous extracts.So attapulgite could relieve the allelopathy for the inhibition of garlic bulb aqueous extracts.
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备注/Memo
第一作者简介:孙敏(1973-),女,博士,副教授,研究方向为园艺植物栽培管理。E-mail:sunmin73@126.com.基金项目:江苏省前瞻性联合研究资助项目(BY2016061-27);江苏省淮安市现代农业计划资助项目(HAN2015001)。