丛枝菌根真菌对滨梅扦插苗生根、生长和抗病相关酶活性的影响

研究Glomus mosseae,G.diaphanum和G.etunicatum对滨梅插条生根、生长和抗病相关酶活性的影响.结果表明:G.mosseae侵染导致最高生根百分率(47.6%),最多次生细根(20.4条),最高的根干重(0.26 g),最高的地上部分干重(3.55 g),最高的幼苗高度(51.3 cm)及...

Effects of arbuscular mycorrhizal fungi on the rooting, growth and enzymatic activity relating to disease resistance of beach plum(Prunus maritima)cuttings

The effect of inoculation with Glomus mosseae,G.diaphanum or G.etunicatum on the rooting,growth and enzymatic activity relating to disease resistance of beach plum cuttings were studied.The results showed that the largest percentage rooting(47.6%),the maximum number of lateral fine roots(20.4),the largest dry weights(DWs)of roots(0.26 g),the largest DWs of shoots(3.55 g),greatest heights of cuttings(51.3 cm),and the largest total leaf areas of cuttings(1 012.9 cm2) were observed following inoculation with G.mosseae.The greatest root lengths were observed alter G.etunicatum inoculation(19.3 cm).Except for the numbers of primary root generated,G.mosseae and G.etunicatum inoculations were significantly better than the controls in all the parameters studied.As for the numbers of primary roots,inoculation with AM fungi gave values close to the control.Greater uptake of macronutrients(P,K,Mg,and Ca) and micronutrients(Mn,Cu,Zn and B)uptake was observed in beach plum for all three Glomus species 80 d after inoculation.Among the three Glomus species,G.mosseae was most effective,G.etunicatum next and G.diaphanum gave macronutrient uptake values close to controls.Compared with controls,the activity of POD,polyphenolase and PAL were increased after inoculation with all three Glomus species.Among the three Glomus species,G.mosseae was most effective,G.etunicatum next and G.diaphanum was close to controls.This study showed the beneficial effects of inoculation with each of three Glomus fungi,especially G.mosseae and G.etunicatum,on inducing the rooting,growth and enzymatic activity relating to disease resistance of beach plum cuttings.