根系浸泡生长素对橄榄幼苗生长及其叶绿素荧光特性的影响
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摘要
以1～2片真叶的橄榄健康幼苗为试材,研究2种外源生长素吲哚丁酸(IBA)和萘乙酸(NAA)在不同浓度(100、300和500μmol/L)及不同处理时间(1、3和5 h)下对橄榄幼苗根系和地上部生长量的影响,并运用隶属函数法进行综合评价,对测定排名前5个处理的橄榄幼苗的叶绿素荧光特性进行分析,以探寻促进橄榄幼苗生长的最佳处理,为橄榄实生砧木苗繁育提供理论及技术依据。结果显示:(1)外源生长素能促进橄榄幼苗生长,改善根系构型,以低浓度处理和高浓度短时长的处理表现较好,能提高橄榄幼苗生长势。(2)隶属函数分析橄榄幼苗生长的综合效果排名前五的处理为:N3001>N5001>N1005>N1001>I3003,前4个均为NAA处理,平均隶属函数值均大于0.65,且对株高、茎粗、地上部生物量、总根长、总根表面积、主根长及侧根数的促进作用比IBA大。(3)叶绿素荧光特性显示,N1001处理的橄榄幼苗实际光化学量子效率Y_((Ⅱ))最高且比对照显著增加了8.16%,光合电子传递速率ETR最大,非光化学淬灭系数NPQ最低且比CK显著降低了23.78%(P<0.05)。研究表明,N1001为促进橄榄幼苗生长的最佳处理,即选择100μmol/L外源生长素NAA处理橄榄实生砧木苗根系1 h,能显著促进植株生长,提高幼苗的光能利用率和光合能力。
1-2 true leaves of Chinese olive healthy seedlings as experimental materials, seedlings roots were dipped in different solutions. We studied the effects of two kinds of exogenous auxin Indole-3-butyric acid(IBA) and 1-naphthylacetic acetic acid(NAA) at different concentrations(100, 300 and 500 μmol/L) and the processing time(1, 3, 5 h) on the growth of roots and shoots of Chinese olive seedlings. The method of membership grade function was used to carry on the comprehensive evaluation. Further more, we measured chlorophyll fluorescence characteristics of seedlings of the top five processing, to find the best treatment to promote growth of Chinese olive seedlings and provide a theoretical and technical reference for propagation of Chinese olive rootstock seedlings. Results showed that:(1) exogenous auxin could promote the growth of Chinese olive seedlings and improve root system architecture. Treatments with low-concentration and high-concentration for short-durations had some better performances. They could enhance the growth potential of Chinese olive seedlings.(2) According to the comprehensive effect of membership function analysis on the growth of Chinese olive seedlings, the top five treatments were N3001>N5001>N1005>N1001>I3003. The first four treatments were all treated with NAA, which average membership function values were all greater than 0.65. Results showed the promotion of plant height, stem diameter, aboveground biomass, total root length, total root surface area, main root length and lateral root number under NAA treatment were greater compared with IBA treatment.(3) The chlorophyll fluorescence characteristics showed that Y_((Ⅱ)) of Chinese olive seedlings treated with N1001 was the highest, which was 8.16% higher than that of the control, ETR was the highest, NPQ was the lowest and significantly lower than CK by 23.78%(P<0.05). Therefore, Chinese olive seedlings under N1001 treatment was optimal. That is Chinese olive seedling roots treated for one hour with 100 μmol/L NAA, which significantly promoted the plant growth, and improved the utilization rate of light energy and the photosynthetic ability.
1-2 true leaves of Chinese olive healthy seedlings as experimental materials, seedlings roots were dipped in different solutions. We studied the effects of two kinds of exogenous auxin Indole-3-butyric acid(IBA) and 1-naphthylacetic acetic acid(NAA) at different concentrations(100, 300 and 500 μmol/L) and the processing time(1, 3, 5 h) on the growth of roots and shoots of Chinese olive seedlings. The method of membership grade function was used to carry on the comprehensive evaluation. Further more, we measured chlorophyll fluorescence characteristics of seedlings of the top five processing, to find the best treatment to promote growth of Chinese olive seedlings and provide a theoretical and technical reference for propagation of Chinese olive rootstock seedlings. Results showed that:(1) exogenous auxin could promote the growth of Chinese olive seedlings and improve root system architecture. Treatments with low-concentration and high-concentration for short-durations had some better performances. They could enhance the growth potential of Chinese olive seedlings.(2) According to the comprehensive effect of membership function analysis on the growth of Chinese olive seedlings, the top five treatments were N3001>N5001>N1005>N1001>I3003. The first four treatments were all treated with NAA, which average membership function values were all greater than 0.65. Results showed the promotion of plant height, stem diameter, aboveground biomass, total root length, total root surface area, main root length and lateral root number under NAA treatment were greater compared with IBA treatment.(3) The chlorophyll fluorescence characteristics showed that Y_((Ⅱ)) of Chinese olive seedlings treated with N1001 was the highest, which was 8.16% higher than that of the control, ETR was the highest, NPQ was the lowest and significantly lower than CK by 23.78%(P<0.05). Therefore, Chinese olive seedlings under N1001 treatment was optimal. That is Chinese olive seedling roots treated for one hour with 100 μmol/L NAA, which significantly promoted the plant growth, and improved the utilization rate of light energy and the photosynthetic ability.
引文
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[24] BUSOV V B.Manipulation of growth and architectural characteristics in trees for increased woody biomass production[J].Frontiers in Plant Science,2018,9:1 505.
[25] YAMASHITA N,OKUDA S,SUWA R,et al.Impact of leaf removal on initial survival and growth of container-grown and bare-root seedlings of Hinoki cypress (Chamaecyparis obtusa)[J].Forest Ecology & Management,2016,370:76-82.
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[29] MAO J P,ZHANG D,ZHANG X,et al.Effect of exogenous indole-3-butanoic acid (IBA) application on the morphology,hormone status,and gene expression of developing lateral roots in Malus hupehensis[J].Scientia Horticulturae,2018,232:112-120.
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[31] FRICK E M,STRADER L C.Roles for IBA-derived auxin in plant development[J].Journal of Experimental Botany,2018,69(2):169-177.
[32] 徐义康,高飞,施柳,等.利用隶属函数法综合评价8个大白菜品种性状[J].浙江农林大学学报,2018,35(5):845-852.XU Y K,GAO F,SHI L,et al.Evaluation of eight Chinese cabbage cultivars using the membership function method[J].Journal of Zhejiang A&F University,2018,35(5):845-852.
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[2] CHANG Q,SU M H,CHEN Q X,et al.Physicochemical properties and antioxidant capacity of Chinese olive (Canarium album L.) cultivars[J].Journal of Food Science,2017,82(6):1 369-1 377.
[3] XIANG Z B,WU X L.Chemical constituents of Chinese white olive[J].Pharmaceutical Chemistry Journal,2017,51(6):465-470.
[4] ZENG H L,MIAO S,ZHENG B D,et al.Molecular structural characteristics of polysaccharide fractions from Canarium album (Lour.) Raeusch and their antioxidant activities[J].Journal of Food Science,2015,80(11):H2 585-H2 596.
[5] KUO C,LIU T H,HSU T H,et al.Antioxidant and antiglycation properties of different solvent extracts from Chinese olive (Canarium album L.) fruit[J].Asian Pacific Journal of Tropical Medicine,2015,8(12):987-995.
[6] DUAN W J,TAN S Y,CHEN J,et al.Isolation of anti-HIV components from Canarium album fruits by high-speed counter-current chromatography[J].Analytical Letters,2013,46(7):1 057-1 068.
[7] WEN L R,LIN S,ZHU Q Q,et al.Analysis of chinese olive cultivars difference by the structural characteristics of oligosaccharides[J].Food Analytical Methods,2013,6(6):1 529-1 536.
[8] 潘云辉,朱亮,袁萍,等.橄榄苗快速繁育技术[J].中国南方果树,2005,34(2):42-43.PAN Y H,ZHU L,YUAN P,et al.Rapid propagation of Chinese olive seedlings[J].South China Fruits,2005,34(2):42-43.
[9] 张国旺,程良世,林文芳,等.福建统计年鉴-2018[OL].2019-1-17.http://tjj.fujian.gov.cn/tongjinianjian/dz2018/index-cn.htm.
[10] KORASICK D A,ENDERS T A,STRADER L C.Auxin biosynthesis and storage forms[J].Journal of Experimental Botany,2013,64(9):2 541-2 555.
[11] 邹锋康,王秋红,周建朝,等.生长素调节植物生长发育的研究进展[J].中国农学通报,2018,34(24):34-40.ZOU F K,WANG Q H,ZHOU J C,et al.Auxin regulating plant growth and development:research progress[J].Chinese Agricultural Science Bulletin,2018,34(24):34-40.
[12] WOODWARD A W,BARTEL B.Auxin:regulation,action,and interaction[J].Annals of Botany,2005,95(5):707-735.
[13] 黄杰,陈宗福,尹丽英,等.三种外源植物激素对黄花风铃木幼苗生物量、叶绿素荧光参数及光合特性的影响[J].植物科学学报,2018,36(5):745-754.HUANG J,CHEN Z F,YIN L Y,et al.Effects of three plant exogenous hormones on the biomass,chlorophyll fluorescence parameters,and photosynthetic characteristics of Tabebuia chrysantha seedlings[J].Plant Science Journal,2018,36(5):745-754.
[14] TOPACOGLU O,SEVIK H,GUNEY K,et al.Effect of rooting hormones on the rooting capability of Ficus benjamina L.Cuttings[J].Sumarski List,2016,140(1-2):39-44.
[15] MáRQUEZ G,ALARCóN M V,SALGUERO J.Differential responses of primary and lateral roots to indole-3-acetic acid,indole-3-butyric acid,and 1-naphthaleneacetic acid in maize seedlings[J].Biologia Plantarum,2016,60(2):367-375.
[16] HE H J,QIN J M,CHENG X X,et al.Effects of exogenous 6-BA and NAA on growth and contents of medicinal ingredient of Phellodendron chinense seedlings[J].Saudi Journal of Biological Sciences,2018,25(6):1 189-1 195.
[17] 王健省,程琳琳,王旭,等.不同生长素处理和营养液浓度对双瓣茉莉水培扦插生根的影响[J].南方农业学报,2015,46(2):282-285.WANG J S,CHENG L L,WANG X,et al.Effects of auxin and nutrient solution concentration on rooting of Jasminum sambac cutting under hydroponics[J].Journal of Southern Agriculture,2015,46(2):282-285.
[18] 王书胜,单文,张乐华,等.植物生长调节剂对鹿角杜鹃扦插繁殖的影响[J].植物科学学报,2014,32(2):158-167.WANG S S,SHAN W,ZHANG L H,et al.Effects of plant growth regulator on cutting propagation of Rhododendron latoucheae[J].Plant Science Journal,2014,32(2):158-167.
[19] 张金文,陈军金,陈南州.橄榄育苗与栽植新技术[J].林业科技通讯,1999,(1):39-40.ZHANG J W,CHEN J J,CHEN N Z.New techniques of Chinese olive seedling and cultivation[J].Forest Science and Technology,1999,(1):39-40.
[20] 吕斌.橄榄嫁接苗快速育苗技术[J].中国南方果树,1998,27(2):31.Lü B.Rapid grafting seedling technology of Chinese olive[J].South China Fruits,1998,27(2):31.
[21] 戴金电.橄榄育苗若干处理试验[J].福建果树,1996,(3):5-7.DAI J D.Several treatment experiments of Chinese olive seedling cultivation[J].Fujian Fruit,1996,(3):5-7.
[22] 陈煜.ABT生根粉用于橄榄育苗和移栽试验[J].福建果树,1993,(2):11-15,2,69.CHEN Y.ABT rooting powder was used for seedling and transplanting test of Chinese olive[J].Fujian Fruit,1993,(2):11-15,2,69.
[23] LIU C,YANG Z,HU Y G.Drought resistance of wheat alien chromosome addition lines evaluated by membership function value based on multiple traits and drought resistance index of grain yield[J].Field Crops Research,2015,179:103-112.
[24] BUSOV V B.Manipulation of growth and architectural characteristics in trees for increased woody biomass production[J].Frontiers in Plant Science,2018,9:1 505.
[25] YAMASHITA N,OKUDA S,SUWA R,et al.Impact of leaf removal on initial survival and growth of container-grown and bare-root seedlings of Hinoki cypress (Chamaecyparis obtusa)[J].Forest Ecology & Management,2016,370:76-82.
[26] 柏小娟,芦建国,李小茹,等.容器规格与基质配比对美国蜡梅容器苗生长的影响[J].安徽农业大学学报,2018,45(3):462-467.BAI X J,LU J G,LI X R,et al.The effects of container size and growing medium on the growth of Calycanthus floridus seedlings[J].Journal of Anhui Agricultural University,2018,45(3):462-467.
[27] 张致玺,孙忠强,张琰.3种植物生长调节剂对葡萄扦插成活率及根系的影响[J].甘肃农业科技,2013,(8):20-21,22.ZHANG Z X,SUN Z Q,ZHANG Y.Effects of three plant growth regulators on the survival rate and root system of grape cutting[J].Gansu Agricultural Science and Technology,2013,(8):20-21,22.
[28] HUSEN A,PAL M.Metabolic changes during adventitious root primordium development in Tectona grandis Linn.F.(Teak) cuttings as affected by age of donor plants and auxin (IBA and NAA) treatment[J].New Forests,2007,33(3):309-323.
[29] MAO J P,ZHANG D,ZHANG X,et al.Effect of exogenous indole-3-butanoic acid (IBA) application on the morphology,hormone status,and gene expression of developing lateral roots in Malus hupehensis[J].Scientia Horticulturae,2018,232:112-120.
[30] 王关林,吴海东,苏冬霞,等.NAA、IBA对樱桃砧木(Prunus pseudocerasus Colt)插条的生理、生化代谢和生根的影响[J].园艺学报,2005,32(4):691-694.WANG G L,WU H D,SU D X,et al.Effects of NAA and IBA on biochemical metabolize and rooting of cherry’s stock (Prunus pseudocerasus Colt)[J].ActaHorticulturae Sinica,2005,32(4):691-694.
[31] FRICK E M,STRADER L C.Roles for IBA-derived auxin in plant development[J].Journal of Experimental Botany,2018,69(2):169-177.
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