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首页> 外文期刊>Vitis >Lime-induced chlorosis of grapevine as affected by rootstock and root infection with arbuscular mycorrhiza and Pseudomonas fluorescens
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Lime-induced chlorosis of grapevine as affected by rootstock and root infection with arbuscular mycorrhiza and Pseudomonas fluorescens

机译：石灰诱导的葡萄萎黄病受到砧木和根系丛枝菌根和荧光假单胞菌感染的影响

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摘要

Grapevine cuttings (Vitis vinifera L. cv. Pinot blanc, clone VCR 5), grafted on 3309 C, a lime-susceptible rootstock, SO 4, a medium lime-tolerant rootstock and 41 B, a lime-tolerant rootstock, were grown in pots containing unsterilized calcareous soil. Before potting, the roots of the grafted plants were inoculated with a suspension of a mutant of Pseudomonas fluorescens and with the vesicular-arbuscular mycorrhizal (VAM) fungus Glomus mosseae (Nicol. & Gerd.) Gerd. & Trappe, in order to investigate the effect of these microorganisms on the severity of lime-induced chlorosis. The most significant findings were: a) Pseudomonas fluorescens and Glomus mosseae treatments increased Fe and chlorophyll concentrations in the leaves and thus lime tolerance in plants grafted on 3309 C and 41 B; b) the positive effect of VAM treatment was associated with increased levels of root infection and lower root growth; c) the bacterial treatment improved the establishment of VAM fungi; d) fruit quality of the susceptible graft combination raised to the level of untreated Pinot blanc/SO 4 vines due to the root treatments.
机译：在3309 C（耐石灰的砧木，SO 4（耐石灰的中等砧木）和41 B（耐石灰的砧木））上嫁接了葡萄插条（Vitis vinifera L. cv。Pinot blanc，克隆VCR 5）。装有未消毒的石灰质土壤的花盆。盆栽前，将嫁接植物的根接种荧光假单胞菌突变体的悬浮液和囊泡菌根真菌（VAM）真菌Glosus mosseae（Nicol。＆Gerd。）Gerd。 ＆Trappe，以研究这些微生物对石灰诱导的萎黄病严重程度的影响。最显着的发现是：a）荧光假单胞菌和mosgloe处理增加了叶片中Fe和叶绿素的浓度，从而提高了3309 C和41 B嫁接的植株的耐石灰性； b）VAM治疗的积极作用与根部感染水平增加和根部生长降低有关； c）细菌处理改善了VAM真菌的建立； d）由于根部处理，易感嫁接组合的果实品质提高到未经处理的黑皮诺/ SO 4葡萄树水平。

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