[1]郭亮,李贺鹏*,卢刚,等.近无柄雅榕对盐胁迫的生理响应和引种试验[J].浙江林业科技,2016,36(04):1-9.
 GUO Liang,LI He-peng*,LU Gang,et al.Physiological Responses of Ficus concinna var. subsessilis Seedingsto Salt Stress and Introduction Test[J].Journal of Zhejiang Forestry Science and Technology,2016,36(04):1-9.
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近无柄雅榕对盐胁迫的生理响应和引种试验()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
36
期数:
2016年04期
页码:
1-9
栏目:
出版日期:
2016-10-31

文章信息/Info

Title:
Physiological Responses of Ficus concinna var. subsessilis Seedingsto Salt Stress and Introduction Test
作者:
郭亮1李贺鹏2*卢刚2张晓勉2岳春雷2高智慧3
1. 浙江省台州市椒江区农业林业局,浙江 台州 318000;2. 浙江省林业科学研究院,浙江 杭州 310023; 3. 浙江省林业技术推广总站,浙江 杭州 310020)
Author(s):
GUO Liang1LI He-peng2*LU Gang2ZHANG Xiao-mian2YUE Chun-lei2GAO Zhi-hui3
1. Jiaojiang Agroforestry Bureau of Taizhou, Taizhou 31880, China; 2. Zhejiang Forestry Academy, Hangzhou 310023, China; 3. Zhejiang Forestry Extension Administration, Hangzhou 310020, China
关键词:
近无柄雅榕盐胁迫叶绿素光合特性滨海滩涂引种
Keywords:
Ficus concinna var. subsessilis salt stress chlorophyll photosynthetic characteristics
分类号:
S718.5
文献标志码:
A
摘要:
2011年8月,用0、0.3%、0.6%和0.9%质量浓度NaCl溶液对3年生近无柄雅榕(Ficus concinna var. subsessilis)进行处理,在处理10 d、20 d、30 d和40 d时分别测定其叶片的叶绿素含量、光合特性等指标的变化;2006年在台州湾围垦区内引种1年生近无柄雅榕,对其生长情况进行连续观测。结果表明,随着胁迫时间的延长,总叶绿素、叶绿素(Chla)和叶绿素(Chlb)的含量在0.3% NaCl处理下逐渐升高;在0.6% NaCl处理下,Chlb含量随胁迫时间延长逐渐下降,而总叶绿素和Chla含量都先降低后逐渐升高;Chla/Chlb值在0.3% NaCl处理下先升高后下降再升高,0.6% NaCl处理下的则是先下降后逐渐升高。盐胁迫明显抑制了近无柄雅榕的光合速率,在处理10 d时最为显著,随着胁迫浓度的升高抑制作用更加显著。叶片PSII最大光化学效率、潜在光化学效率、最大净光合速率和表观量子效率都随NaCl浓度的上升而逐渐下降;暗呼吸速率和光补偿点在10 d时随着胁迫浓度的上升而逐渐下降,在处理20 d和30 d时逐渐升高,在处理40 d时先升高后降低。引种试验观察表明,近无柄雅榕苗的成活率达100%,平均年高生长约30 cm、地径1.26~2.14 cm;零度以下气温会对5年生以下的树苗造成严重冻害。
Abstract:
Experiments were conducted on 3-year Ficus concinna var. subsessilis by salt stress (0, 0.3%, 0.6% and 0.9%) in 2011. Determinations were made on chlorophyll content and photosynthetic index on the 10th, 20th, 30th and 40th day after treatment. In 2016, introduction was made on 1-year F. concinna var. subsessilis seedlings at reclamation area of Taizhou Bay, Zhejiang province. The results showed that under 0.3% NaCl stress, content of total chlorophyll(Chl), Chla and Chlb gradually increased. Under 0.6% NaCl stress, content of Chlb decreased, while content of Chl and Chla decreased from the 10th to 20th day and then gradually increased later. The Chla/Chlb value increased from 10th to 20th day, decreased from 21st to 30th day, and increased from 31st to 40th day under 0.3% NaCl stress. Under 0.6% NaCl stress, Chla/Chlb value decreased from the 10th to the 20th day, and then increased gradually from 21st day to 40th day. The experiment resulted that salt stress significantly inhibited the net photosynthetic rate of the seedlings, especially on the 10th day, and inhibition was increased with the NaCl concentration. Photochemical efficiency of photosystemⅡ,maximum net photosynthetic rate, apparent quantum efficiency decreased with the increase of salt concentration. Light compensation point and dark respiration rate of the seedling decreased with the increase of salt concentration on the 10th day, increased on the 20th and 30th day. Introduction test and observation from 2006 to 2014 demonstrated that survival rate of introduced seedlings topped to 100%, with annual height growth of 30cm and ground diameter of 1.26-2.14cm. Temperature under zero could cause severe injury to seedlings under 5-year.

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备注/Memo

备注/Memo:
收稿日期:2016-01-25;修回日期:2016-05-29 基金项目:浙江省院所专项项目(2014F50017)、浙江省省院合作项目(2011SY04)、台州市科技局应用技术研究项目(091TG02)、 浙江省重点科技创新团队项目(2011R50027)、“台州湾围垦区植物区系及耐盐性研究与种植示范”项目资助 作者简介:郭亮(1958-),男,浙江温岭人,高级工程师,从事森林生态研究;*通讯作者。
更新日期/Last Update: 2016-12-20