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八种岩蔷薇属植物的有机提取物对采后柑橘酸腐病的抗真菌特性

Antifungal properties of organic extracts of eight Cistus L. species against postharvest citrus sour rot.

作者信息

Karim H, Boubaker H, Askarne L, Talibi I, Msanda F, Boudyach E H, Saadi B, Ait Ben Aoumar A

机构信息

Laboratoire de Biotechnologies et Valorisation des Ressources Naturelles, Faculté des Sciences, Université Ibn Zohr, Agadir, Morocco.

出版信息

Lett Appl Microbiol. 2016 Jan;62(1):16-22. doi: 10.1111/lam.12507. Epub 2015 Nov 19.

Abstract

UNLABELLED

The effectiveness of methanol and chloroform extracts of eight Cistaceae species to control citrus sour rot decay, caused by Geotrichum citri-aurantii, was investigated in both in vitro and in vivo conditions. Methanol extracts of these plant species exhibited more interesting activity against G. citri-aurantii, in both in vitro and in vivo conditions, compared with chloroforme extracts. Under in vitro trials, obtained results showed that methanol extracts of all tested plants revealed a highest significant antifungal activity with inhibition zones that ranged between 12·33 and 16·33 mm in diameter. All tested methanol extracts totally inhibited spore germination when tested at 10 mg ml(-1) . Incidence of sour rot was significantly lowered to 11·11% when fruits were treated with Cistus populifolius and Cistus ladanifer methanol extracts compared with 100% in the control. The disease severity was lowered to 5·19% and 6·04% when fruits were treated with the same methanol extracts respectively.

SIGNIFICANCE AND IMPACT OF THE STUDY

The methanol Cistus extracts had sufficient antifungal activities in vitro and in vivo against G. citri-aurantii to consider its use in the citrus industry after it has been tested under production and natural infection conditions. Such natural products therefore represent a viable alternative approaches for sour rot postharvest management of citrus.

摘要

未标注

研究了8种半日花科植物的甲醇提取物和氯仿提取物在体外和体内条件下对由柑橘地霉引起的柑橘酸腐病的防治效果。与氯仿提取物相比,这些植物物种的甲醇提取物在体外和体内条件下对柑橘地霉均表现出更显著的活性。在体外试验中,所得结果表明,所有受试植物的甲醇提取物均显示出最高的显著抗真菌活性,其抑菌圈直径在12.33至16.33毫米之间。当以10毫克/毫升的浓度进行测试时,所有受试甲醇提取物均完全抑制了孢子萌发。与对照组的100%相比,用多叶岩蔷薇和乳香半日花甲醇提取物处理果实后,酸腐病的发病率显著降低至11.11%。当用相同的甲醇提取物处理果实时,病害严重程度分别降至5.19%和6.04%。

研究的意义和影响

半日花甲醇提取物在体外和体内对柑橘地霉具有足够的抗真菌活性,在经过生产和自然感染条件下的测试后,可考虑将其用于柑橘产业。因此,这类天然产物是柑橘采后酸腐病管理的可行替代方法。

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