In den Jahren 2017 und 2018 wurden im Landkreis Leer im Nordwesten Niedersachsens neun Versuche zum Einfluss von Untersaaten auf die Unkrautvegetation im langjährigen Maisanbau durchgeführt. Es wurden drei Versuchsglieder getestet, in denen der Mais ohne Untersaat oder mit zwei verschiedenen Gräsern (Lolium spp., Festuca rubra) als Untersaat angebaut wurde. Die Unkrautbekämpfung mit Herbiziden wurde

Zinc (Zn) and Iron (Fe) are essential micronutrients for both human and plants, but their deficiency is prevalent in the world, especially in developing countries including India and Pakistan. Therefore, zinc and iron biofortification of wheat and other cereal crops is being urgently addressed and highly prioritized as a research topic. Thus, a field study was planned in a silty-loam soil under conventional

Chromium (Cr) is a toxic metal usually found in soil and water, causing environmental pollution. Silicon (Si), however, has excelled in alleviating the stress caused by toxic elements in plants, and its beneficial role was mainly based on external and internal plant mechanisms. This study investigates whether and how Si influences the alleviation of Cr toxicity in wheat at the physiological and biochemical

Lilies are one of the most important bulbous plants as cut flowers. In the present study, the effect of foliar sprays of different concentrations of benzyladenine (BA) (0.00, 0.25, and 0.50 mM) and salicylic acid (SA) (0.00, 0.10, 0.50, and 1.00 mM) was investigated at four stages of pre-harvest on qualitative and quantitative traits of Lilium ‘Navona’. The studied traits included number of buds, number

The ability of some medicinal plants was explored to control bacterial canker of tomato caused by Clavibacter michiganensis subsp. michiganensis. The plants tested included Peganum harmala, Allium sativum, Withania somnifera, Melia azedarach, Calotropis procera, Mentha piperita and Nerium oleander. Aqueous extracts of P. harmala and M. piperita proved to be very effective under in vitro conditions

Charcoal rot incited by Macrophomina phaseolina is one of the major diseases of green gram and black gram in Pakistan reducing yields up to 40%. As there are no long-term control strategies for this seed- and soil-borne pathogen, therefore, in the present study, seven indigenous species of Trichoderma were evaluated for their in vitro and in vivo effectiveness against M. phaseolina with the objective

Anaerobic digestion (AD) produces bioenergy and bio-fertilizer. However, weed seeds can contaminate the substrates for biogas production. This work assesses seed viability of four weeds species origin from Germany and China under AD conditions at 37, 42 and 52 °C with different retention times. All investigated seeds were inactivated after 12 h at 52 °C, 128 h at 42 °C and 512 h at 37 °C under AD treatment

In this study the positive effects of Glomus intraradices symbiosis on growth, physiological and biochemical attributes of watermelon (Citrullus lanatus) cv. “Crimson Sweet” and “Charleston Gray” in response to chilling stress were investigated. When subjected to chilling stress, arbuscular mycorrhizal fungi (AMF)-inoculated watermelon seedlings exhibited significantly higher root and shoot dry mass

The whitefly (Bemisia tabaci) is a well-known pest of vegetables and ornamental cash crops including tomato plant. Tomato plant disorders, in many instances, are related mostly with the silver leaf whitefly (Bemisia tabaci) feeding. It is well thought out that tomato plant is one of the most favorable host plants for the whitefly. Thus we aimed to study distinctive morphological characteristics of

Cucumber (Cucumis sativus L.) is one of the most widely consumed fruit vegetables throughout the world. In the present study, the effects of different concentrations of salicylic acid (0.00, 0.001, 0.01, 0.10, and 1.00 mM) and two methods of its application (foliar spraying or seed priming) were investigated on morphological and physiological traits of greenhouse cucumber cv. Dream. The application

The present study deals with the eco-synthesis and effects of silver nanoparticles (AgNPs) on pea (Pisum sativum L.). AgNPs were synthesized by using gelatine/glucose mixture as a reducing/stabilizing agent for silver nitrate. The AgNPs were characterized and their effects on early growth and cytotoxicity on cell division and chromosomes have been studied. Seeds of Pisum sativum cv. Master B were soaked

Erratum to: Gesunde Pflanzen 2019 https://doi.org/10.1007/s10343-019-00481-7 Unfortunately the authors have forgotten to add the “Acknowledgments” section to this paper. The section should be as …

This study aimed to evaluate the bioactivity of ethanolic extracts from different parts of some Annona species (A. montana, A. muricata and A. sylvatica) against T. absoluta. In the initial screening, the ethanolic extracts from leaves and seeds of A. muricata promoted pronounced lethality and growth inhibition of T. absoluta larvae by means of residual contact and translaminar action. However, these

Aqueous extracts and green manures of different parts of Adhatoda vasica, a wild medicinal shrub plant, were tested in vitro and in vivo for the control of bacterial wilt (BW) in tomato. Higher concentration (14%, w/v) of aqueous extracts of leaf, succlent shoot and stem were more effective than the lower concentrations and inhibited the in vitro growth of the pathogen by 94, 89, and 65% respectively

The current study was conducted to evaluate the efficacy of entomopathogenic fungi (EPF) as an alternative strategy for the sustainable control of Nilaparvata lugens. Three species of EPF, Beauveria bassiana, Metarhizium anisopliae and Lecanicillium lecanii, were tested against N. lugens with two suspensions of each tested EPF applied in different treatments. The observed mortality of N. lugens adults

Soil is a medium for plant growth and provides support, minerals and water to the plant for survival. Soil salinity declines availability of water to the plant, affect microorganisms growth, and water drainage capacity of soil, which adversely affect plant growth and development. In the present work the effect of indole-3-acetic acid (IAA) on growth and yield of salinity stressed tomato (Lycopersicon

Coccinella septempunctata L. is a dominant predator of herbivorous pest insects (e.g. aphids) in various crops in Pakistan. A series of bioassays were conducted to determine the sublethal and residual activities of six insecticides, which are commonly used in canola crop (Brassica napus L.) in Pakistan on adult and fourth instar larvae of Coccinella septempunctata L. in laboratory conditions. We measured

Erratum to: Gesunde Pflanzen 2019 https://doi.org/10.1007/s10343-019-00469-3 Unfortunately there was a technical problem with the conversion of the formulas in the PDF file of this article. The hyphen between chlorophyll‑a and chlorophyll‑b, as well as between pheophytin‑a and pheophytin‑b was not inserted …

Phytopathogenic fungi infect plants during growth, development, and harvest and their products during postharvest storage and transport. Fungicides are applied indiscriminately to combat these pathogens, posing a serious threat to humans, animals, and the environment. Some filamentous fungi also produce mycotoxins, which pose further problems. In this study we evaluated the antifungal activity of Saussurea

The aim of this study was to identify a Mexican native basidiomycete strain with antagonistic potential against phytopathogenic fungi. The antifungal activity of fifteen isolates against Fusarium oxysporum, Fusarium solani, Colletotrichum truncatum, Colletotrichum coccodes, Colletotrichum sp., Stemphylium solani, Botrytis cinerea, Epicoccum nigrum, Phomopsis sp. and Alternaria solani was studied in

The traditional methods of propagation of hazelnuts are time-consuming and not satisfactory at the commercial level. Therefore, the goal of current investigation was to optimize micropropagation of three commercial cultivars of hazelnut including ‘Gercheh’, ‘Gerdooyi’ and ‘Pashmineh’. In the present experiment, the effects of four levels of Benzylaminopurine (BAP; 0.50, 1.00, 2.00 and 4.00 mg L−1)

The present study aimed at investigating the effect of deficit irrigation and mulching on morpho-physiological and biochemical characteristics of 15-year-old Konservolia olive trees in Dallaho Olive Research Station in Kermanshah province, Iran, in 2014 and 2015. The experiments were conducted in factorial randomized complete block design with three replications. The first factor included irrigation

Two pot experiments were directed under open field conditions where green bean (Phaseolus vulgaris L.) plants cv. Valentino were irrigated with four levels of salinity (1000, 2000, 3000 and 4000 ppm) combined with two anti-salinity agents (Arbuscular Mycorrhizal fungi [AMF] Glomus irradicans 10% w/w, Bacillus megaterium [10 ml/pot] and non-inoculated plants as control) to counteract the negative effect

The study was conducted to evaluate the effects of 10 and 20 min seed soaking in Azotobacter chroococcum and Bacillus polymixa suspension culture on seed germination, seedling growth and essential oil yield of Dracocephalum kotschyi Boiss. Up to day 13, 20 min of B. polymixa suspension culture soaking seeds had shown germination more than 20%, whereas control seeds did not begin germination until day

In the current study, the beneficial role of proline (Pro) and glycinebetaine (GB) in alleviating high temperature (HT) stress was investigated in Brassica napus L. (rapeseed) seedlings. Ten-d-old rapeseed seedlings were treated with and/or without 2 mM Pro and 2 mM GB and exposed to 38/28 °C day/night (16 and 8 h) temperature for 24 and 48 h. Heat stress induced high amount of hydrogen peroxide (H2O2)