NDLI: Mycorrhiza alters the profile of root hairs in trifoliate orange

Content Provider	Springer Nature Link
Author	Wu, Qiang Sheng Liu, Chun Yan Zhang, De Jian Zou, Ying Ning He, Xin Hua Wu, Qing Hua
Copyright Year	2015
Abstract	Root hairs and arbuscular mycorrhiza (AM) coexist in root systems for nutrient and water absorption, but the relation between AM and root hairs is poorly known. A pot study was performed to evaluate the effects of four different AM fungi (AMF), namely, Claroideoglomus etunicatum, Diversispora versiformis, Funneliformis mosseae, and Rhizophagus intraradices on root hair development in trifoliate orange (Poncirus trifoliata) seedlings grown in sand. Mycorrhizal seedlings showed significantly higher root hair density than non-mycorrhizal seedlings, irrespective of AMF species. AMF inoculation generally significantly decreased root hair length in the first- and second-order lateral roots but increased it in the third- and fourth-order lateral roots. AMF colonization induced diverse responses in root hair diameter of different order lateral roots. Considerably greater concentrations of phosphorus (P), nitric oxide (NO), glucose, sucrose, indole-3-acetic acid (IAA), and methyl jasmonate (MeJA) were found in roots of AM seedlings than in non-AM seedlings. Levels of P, NO, carbohydrates, IAA, and MeJA in roots were correlated with AM formation and root hair development. These results suggest that AMF could alter the profile of root hairs in trifoliate orange through modulation of physiological activities. F. mosseae, which had the greatest positive effects, could represent an efficient AM fungus for increasing fruit yields or decreasing fertilizer inputs in citrus production.
Starting Page	237
Ending Page	247
Page Count	11
File Format	PDF
ISSN	09406360
Journal	Mycorrhiza
Volume Number	26
Issue Number	3
e-ISSN	14321890
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2015-10-24
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Citrus Glucose IAA MeJA Mycorrhiza Root hairs Microbiology Plant Sciences Ecology Agriculture Forestry
Content Type	Text
Resource Type	Article
Subject	Genetics Plant Science Medicine Molecular Biology Ecology, Evolution, Behavior and Systematics

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