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The influence of climate changes on the significance of mycotoxins 气候变化对真菌毒素意义的影响
Pub Date : 2023-01-01 DOI: 10.5937/biljlek2303503a
Nikolina Arsenac
Mycotoxins are secondary products of fungal metabolism that are toxic or have other negative biological effects on human or animal health. To date, about 650 different mycotoxins have been discovered, the most important of which are: alflatoxins, fumosins, ochratoxin, zearalenone, trichothecenes, patulin and others. The most important mycotoxigenic fungi are from the genera: Aspergillus, Penicillium, Fusarium, Claviceps and Alternaria. For each of the mentioned genera, certain, favorable conditions are needed for their growth and development: temperature, presence of moisture and carbon dioxide. As a result of global warming and changes in climatic conditions in some geographical areas, a greater amount of certain mycotoxins have appeared. In the last few decades, extremely hot and dry summers have led to an increase in the number of insects, which additionally contribute to the damage they cause by the settlement of mycotoxigenic fungi on agricultural products, and thus to an increase in the contamination of corn and other plant species with mycotoxins. Based on the knowledge so far, it is necessary to undertake a series of preventive measures to prevent and reduce contamination with Mycotoxins.
真菌毒素是真菌代谢的次生产物,对人类或动物健康具有毒性或其他负面生物效应。迄今为止,已经发现了大约650种不同的真菌毒素,其中最重要的是:曲霉毒素、曲霉毒素、赭曲霉毒素、玉米赤霉烯酮、曲霉烯、曲霉素和其他。最重要的产毒真菌属:曲霉属、青霉属、镰刀菌属、锁骨菌属和互交菌属。对于上述每一个属,它们的生长和发育都需要一定的有利条件:温度、水分和二氧化碳的存在。由于全球变暖和某些地理区域气候条件的变化,某些真菌毒素出现了更多的数量。在过去的几十年里,极端炎热和干燥的夏季导致昆虫数量的增加,这进一步加剧了它们因产霉菌毒素的真菌在农产品上的沉降而造成的损害,从而增加了真菌毒素对玉米和其他植物物种的污染。根据目前的知识,有必要采取一系列预防措施来预防和减少真菌毒素的污染。
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引用次数: 0
Trichogramma wasps as a natural enemies of the European corn Borer (Ostrinia nubilalis) 欧洲玉米螟(Ostrinia nubilalis)天敌赤眼蜂
Pub Date : 2023-01-01 DOI: 10.5937/biljlek2303468d
Ana Đurić
The importance of corn (Zea mays) can be understood through its extensive implementation across the globe. It is grown on vast areas, and the number of hectares under this crop increases each year. In Serbia, corn represents the economically most important crop, and it is thus crucial to protect it from harmful insects, like the European Corn Borer (Ostrinia nubilalis), which represents the most destructive pest of this crop. Except yield decrease, occurrence of this pests can cause plant break, fall off cobs, and it creates suitable conditions for the development of fungal infections. Due to all these negative effects caused by the European Corn Borer, it's important to keep this pest under control. In the last couple of years integrated crop protection, which implies the reduction of the use of pesticides which have a negative effect on the environment and human health, is becoming more and more important. The use of beneficial organisms, predators and parasitoids, with the goal of reducing the amount of harmful insects in agriculture represent one of the most important measures of integrated crop protection which can be applied. One of the most successful biological methods for the suppression of the European Corn Borer is the use of Trichogramma wasps which parasitize the larvae of this pest and therefore reduce its number.
玉米(Zea mays)的重要性可以通过其在全球的广泛实施来理解。它的种植面积很大,种植面积每年都在增加。在塞尔维亚,玉米是经济上最重要的作物,因此保护玉米免受有害昆虫的侵害至关重要,如欧洲玉米螟(Ostrinia nubilalis),这是该作物中最具破坏性的害虫。除产量下降外,这种害虫的发生还会造成植株断裂、穗轴脱落,为真菌感染的发生创造了适宜的条件。由于欧洲玉米螟造成的所有这些负面影响,控制这种害虫很重要。在过去几年中,综合作物保护正变得越来越重要,这意味着减少使用对环境和人类健康有负面影响的农药。利用有益生物、捕食者和拟寄生虫,以减少农业中有害昆虫的数量,是综合作物保护可采用的最重要措施之一。抑制欧洲玉米螟最成功的生物方法之一是使用赤眼蜂,它寄生在这种害虫的幼虫上,从而减少其数量。
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引用次数: 0
The first report of the teleomorph stage of the septoria nodorum blotch, Leptosphaeria nodorum, in Serbia 在塞尔维亚首次报道了镰状钩端绦虫(Leptosphaeria nodorum)的远变形期
Pub Date : 2023-01-01 DOI: 10.5937/biljlek2305637j
Radivoje Jevtić, Vesna Župunski
Parastagonospora nodorum (teleomorph Leptosphaeria nodorum) is the causal agent of septoria nodorum blotch (SNB). It was first discovered on wheat in 1845. and is common in regions with relatively high or periodically high rainfall. P. nodorum causes symptoms on all above-ground parts of the plant, including leaves, stems, glumes, and awns. The pathogen overwinters on wheat crop residues in the form of pseudothecia and pycnidia. Ascospores released from pseudothecia typically serve as the primary source of inoculum, but conidia released from pycnidia on crop residues can also infect seedlings. Additionally, the fungus is known to survive on seeds in the form of dormant mycelium, making infected seeds a potential source of primary infection. During the 2022/2023 growing season, precipitation totals in April (63.9 mm) and May (124.8 mm) exceeded seventeen-year averages, creating conditions conducive to occurence of SNB. Microscopic examination of lesions on leaves of wheat variety revealed the presence of the sexual stage (L. nodorum) for the first time in Serbia. The asexual stage (P. nodorum) was observed on infected ears of different varieties. This study highlights the need for more attention in monitoring conditions that could lead to outbreak SNB in wheat production areas in Serbia.
结节状拟单胞菌是引起结节性斑疹病(SNB)的病原。它于1845年首次在小麦上被发现。在降雨量相对高或周期性高的地区很常见。芽孢杆菌在植物的所有地上部分引起症状,包括叶子、茎、颖片和芒。病原菌以假毛虫和假毛虫的形式在小麦作物的残体上越冬。假孢子释放的子囊孢子通常是接种物的主要来源,但假孢子释放的分生孢子在作物残留物上也可以感染幼苗。此外,已知真菌以休眠菌丝体的形式在种子上存活,使受感染的种子成为原发性感染的潜在来源。在2022/2023生长季,4月(63.9 mm)和5月(124.8 mm)的总降水量均超过17年平均值,为SNB的发生创造了有利条件。在塞尔维亚,对小麦品种叶片病变的显微检查首次发现有性期(L. nodorum)的存在。在不同品种的侵染穗上观察了无性期。这项研究强调需要更多地关注监测可能导致塞尔维亚小麦产区爆发SNB的条件。
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引用次数: 0
The harmful entomofauna on apples in East Sarajevo area (Republic of Srpska, Bosnia and Herzegovina) 东萨拉热窝地区(斯普斯卡共和国、波斯尼亚-黑塞哥维那)苹果上的害虫
Pub Date : 2023-01-01 DOI: 10.5937/biljlek2305673s
Dejana Stanić
The harmful entomofauna on apple, in East Sarajevo area was carried during the vegetation in 2022, in three localities. In two localities, Kasindo and Klek, the survey was done in extensive orchards, and in semi-intensive orchard (location Kula). Visuel rewieving method of trees, riddance of branches and taking a sample of infested plants organs, and rearing before adult stadium and determination of collected and reared insects was carried out. Total number of determined harmful insects species is 31, in extensive orchards, Kasindo 28 species and Klek 22 species, and in semi-intensive orchard (Kula), 15 species. The most number of species belong Lepidoptera order, among which dominate leafminers (7 species) and tortrix moths (6 species).
在2022年东萨拉热窝地区三个地方的植被期间,对苹果有害昆虫进行了调查。在两个地方,Kasindo和Klek,调查在粗放型果园和半集约型果园(Kula地点)进行。采用目视检树法,除枝取虫,成虫运动场前饲养,采集和饲养昆虫数量测定。测定的害虫总数为31种,其中粗放型果园Kasindo 28种,Klek 22种,半集约型果园Kula 15种。鳞翅目昆虫种类最多,以采叶蛾(7种)和粉蛾(6种)居多。
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引用次数: 0
Waitea circinata var. zeae: Causing root rot of cabbage and oilseed rape 引起卷心菜和油菜的根腐病
Pub Date : 2023-01-01 DOI: 10.5937/biljlek2304585v
Mira Vojvodić, Brankica Tanović, Petar Mitrović, Ivana Vico, Aleksandra Bulajić
Waitea circinata var. zeae (anamorf Rhizoctonia zeae) is an important pathogen of mainly monocotyledonous plants characterized by its soil-borne nature and capability for the long-term preservation. The host range of W. circinata var. zeae recently expanded to several dicotyledonous crops. The latest research conducted in Serbia revealed this pathogen as the causal agent of root and root neck rot, as well as plant decay of cabbage and oilseed at the localities of Futog and Rimski Šančevi. In this paper the available data on the distribution, preservation, dissemination pattern and control of W. circinata var. zeae, as well as research in Serbia are discussed.
zeae (anamorf Rhizoctonia zeae)是一种重要的单子叶植物病原菌,具有土传性和长期保存能力。玉米卷叶螟的寄主范围最近扩大到几种双子叶作物。在塞尔维亚进行的最新研究表明,这种病原体是导致根和根颈腐病以及Futog和Rimski Šančevi地区卷心菜和油籽植物腐烂的病原体。本文综述了塞尔维亚玉米卷叶螟的分布、保存、传播格局、防治及研究现状。
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引用次数: 0
Mefentrifluconazole: The novel triazole fungicide 甲苯三氟康唑:新型三唑类杀菌剂
Pub Date : 2023-01-01 DOI: 10.5937/biljlek2304594m
Nada Milutinović, M. Stević, Bojana Špirović-Trifunović, D. Brkić
Mefentrifluconazole is a new fungicidal active substance from the isopropanol-azoles, a new sub-class of triazoles. It inhibits sterols biosynthesis and is a very selective fungicide. It is a systemic fungicide with protective, curative, and eradicative activity. Its spectrum includes important pathogens of cereals (Septoria spp., Puccinia spp., Ramularia collocygni, Rhynchosporium secalis). Unlike most triazoles, withdrawn from use in the last 2-3 years, mainly due to reprotoxic and carcinogenic effects, mefentrifluconazole is neither carcinogenic, nor genotoxic or reprotoxic. In adition, it is not acutely toxic, is not irritant to skin or eyes and does not cause specific toxicity to target organs after single or repeated exposure. In contact with the skin, it can cause sensitization, and this is the only toxicological property on the basis of which it is classified and labeled. Acute and chronic dietary exposure of all population groups to this active substance is low, with a large margin of safety. Mefentrifluconazole is not acutely toxic to bees and earthworms. It is very toxic acutely and chronically for aquatic organisms, fish, invertebrates, and algae, while it is toxic for sediment organisms and aquatic macrophytes. The favourable toxicological properties of mefentrifluconazole, and good efficacy in control of important pathogens, recommend this active substance as a good substitute for withdrawn triazoles.
甲苯三氟康唑是三唑类新亚类异丙醇唑衍生的一种新型杀真菌活性物质。它抑制甾醇的生物合成,是一种选择性很强的杀菌剂。它是一种具有保护、治疗和根除活性的全身性杀菌剂。它的谱包括谷物的重要病原体(Septoria spp., Puccinia spp., Ramularia collocygni, Rhynchosporium secalis)。与大多数三唑(主要由于生殖毒性和致癌作用而在过去2-3年停止使用)不同,甲氟康唑既不致癌,也没有遗传毒性或生殖毒性。此外,它没有急性毒性,对皮肤或眼睛没有刺激性,并且在一次或多次接触后不会对目标器官产生特异性毒性。在与皮肤接触时,它会引起致敏,这是它被分类和标记的唯一毒理学性质。所有人群对这种活性物质的急性和慢性饮食暴露量都很低,具有很大的安全边际。甲苯三氟康唑对蜜蜂和蚯蚓没有急性毒性。它对水生生物、鱼类、无脊椎动物和藻类有急性和慢性毒性,而对沉积物生物和水生植物有毒性。甲苯三氟康唑具有良好的毒理学特性,在控制重要病原体方面具有良好的疗效,因此推荐该活性物质作为已停用的三唑类药物的良好替代品。
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引用次数: 0
Economicly important viruses of pepper identified in the area of the Republic of Srpska 在斯普斯卡共和国地区发现的具有重要经济意义的辣椒病毒
Pub Date : 2023-01-01 DOI: 10.5937/biljlek2303488b
G. Babić, V. Trkulja, D. Budakov, R. Iličić, Rade Mališević, F. Bagi
Pepper is attacked by numerous plant diseases caused by phytopathogenic fungi, bacteria and viruses, interfering normal growth and development, reducing the yield and quality of fruits. Among the mentioned groups of pathogens, phytopathogenic viruses reduce the yield of pepper every year. The most common and economically important, identified in Republic of Srpska, are: Cucumber mosaic virus (CMV), Alfalfa mosaic virus (AMV), Tobacco mosaic virus (TMV) and Tomato spotted wilt virus (TSWV). The paper describes the distribution, economic importance, hosts, transmission, symptoms, as well as control measures for mentioned viruses.
辣椒受到由植物病原真菌、细菌和病毒引起的多种植物病害的侵袭,干扰了辣椒的正常生长发育,降低了果实的产量和品质。在上述病原菌群中,植物致病病毒每年都在减少辣椒的产量。在斯普斯卡共和国确定的最常见和经济上重要的病毒有:黄瓜花叶病毒(CMV)、苜蓿花叶病毒(AMV)、烟草花叶病毒(TMV)和番茄斑疹枯萎病毒(TSWV)。本文介绍了上述病毒的分布、经济重要性、寄主、传播途径、症状及防治措施。
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引用次数: 0
Biodegradable biopolymers with controlled release of antimicrobial agents 可生物降解的生物聚合物,具有抗菌药物的可控释放
Pub Date : 2023-01-01 DOI: 10.5937/biljlek2304613s
Nemanja Simović
In recent years, biodegradable biopolymer materials have been increasingly used, especially for active technology for fruits and vegetables, and for controlled release of drugs and biopesticides. Due to the growing interest to produce fresh and healthy food with an extended shelf life, environmentally safe antimicrobial active systems based on biopolymers are being developed. The use of biodegrad-able biopolymers for the controlled release of antimicrobial components is still quite limited on the market due to the lack of legal regulations. Once this problem is overcome, the use of this type of antimicrobial protection to reduce the use of environmentally harmful materials will become more accessible to consumers to prevent the transmission of pathogens.
近年来,可生物降解的生物高分子材料得到了越来越多的应用,特别是在水果和蔬菜的活性技术,以及药物和生物农药的控释方面。由于人们对生产具有延长保质期的新鲜健康食品的兴趣日益浓厚,基于生物聚合物的环境安全抗菌活性系统正在开发中。由于缺乏法律法规,市场上使用可生物降解的生物聚合物来控制抗菌成分的释放仍然相当有限。一旦这个问题得到克服,使用这种类型的抗菌保护来减少对环境有害的材料的使用将使消费者更容易获得,以防止病原体的传播。
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引用次数: 0
Sycamore and oak lace bugs 梧桐树和橡树的蕾丝虫
Pub Date : 2023-01-01 DOI: 10.5937/biljlek2303455s
S. Stamenković, T. Kereši
Provides an overview of Sycamore lace bug (Corythucha ciliata Say) and Oak lace bug (C. arcuata Say) based on literature data and monitoring during the period 2018-2022. The species have been present in insect fauna of Serbia over the past fifty years and ten years, respectively. Lace bugs are significant pests of sycamore and oak trees. Their damage manifests itself as premature desiccation and drop of leaf mass (premature defoliation), reducing air quality benefits of trees in urban areas and diminishing aesthetic function. Additionally, tissue injury and loss of nutrients can affect longevity of mature trees and reduce woody mass yield. Presents information on origin and geographic range, biology, damage and control of lace bugs.
基于2018-2022年的文献资料和监测,对梧桐花边虫(Corythucha ciliata Say)和橡树花边虫(C. arcuata Say)进行了综述。这两个物种分别在过去的50年和10年里出现在塞尔维亚的昆虫动物群中。蕾丝虫是梧桐树和橡树的重要害虫。它们的损害表现为过早干燥和叶片质量下降(过早落叶),降低了城市地区树木的空气质量效益,减少了审美功能。此外,组织损伤和养分损失会影响成熟树木的寿命,降低木本质量产量。介绍了蕾丝虫的起源和地理范围、生物学、危害和控制方面的信息。
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引用次数: 0
Zearalenone producing fungi from the genus Fusarium 镰刀菌属产生玉米赤霉烯酮的真菌
Pub Date : 2023-01-01 DOI: 10.5937/biljlek2305658k
Đina Konstantin, Igor Jajić, Renata Iličić, Ferenc Bagi
Mycotoxins are secondary chemical metabolites of different fungi. The most important mycotoxigenic fungi are from the genera: Aspergillus, Penicilli-um, Fusarium, Claviceps and Alternaria. Fusarium fungi are the most wide-spread in cereal-growing areas of the planet. Fumonisins, trichothecenes and zearalenone are the most commonly occurring Fusarium mycotoxins in cereal grains and animal feed. The occurrence of toxic metabolites in food, as well as in feed, represents a serious global problem for human health due to their toxic effects. Zearalenone is mainly produced by Fusarium graminearum and F. culmorum. Corn is the most frequently contaminated plant due to its distribution throughout the world. Contaminated products can lead to huge economic losses and pose risks to animals and humans. It affects animal health and mainly has estrogenic effects on various organisms. Swine are the most commonly affected domestic animals, but cattle and poultry may also be affected.
真菌毒素是不同真菌的次生化学代谢物。最重要的产霉菌毒素真菌属:曲霉属、青霉属、镰刀菌属、锁骨菌属和互交菌属。镰刀菌是地球上谷物种植区分布最广的真菌。镰刀菌素、霉菌烯和玉米赤霉烯酮是谷物和动物饲料中最常见的镰刀菌毒素。食品和饲料中有毒代谢物的出现,由于其毒性作用,对人类健康构成严重的全球性问题。玉米赤霉烯酮主要由稻谷镰刀菌和镰刀菌产生。玉米是受污染最频繁的植物,因为它分布在世界各地。受污染的产品会导致巨大的经济损失,并对动物和人类构成风险。它影响动物健康,主要对各种生物产生雌激素效应。猪是最常受感染的家畜,但牛和家禽也可能受到感染。
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引用次数: 0
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