Academic literature on the topic 'Biotic damaging agents'

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Journal articles on the topic "Biotic damaging agents"

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Kunca, Andrej, Milan Zúbrik, Juraj Galko, et al. "Salvage felling in the Slovak Republic’s forests during the last twenty years (1998–2017)." Central European Forestry Journal 65, no. 1 (2019): 3–11. http://dx.doi.org/10.2478/forj-2019-0007.

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Abstract Global climate change also influences the forest damaging agents occurrence and thus a forest health. Forest trees that are damaged by agents are in managed forests processed by salvage felling. The amount of an annual salvage felling represents the occurrence of a damaging agents occurrence in a certain year. In 2015, the area of forests in Slovakia reached 2.014 mil. ha. Within the 20 years (from 1998 to 2017), the total felling reached 162.52 mil. m3, out of this 47.99 % were ascribed to a salvage felling. Abiotic agents were the most damaging agents (42.28 mil. m3 of damaged wood)
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Estey, Ralph H. "Canadian use of aircraft for plant protection." Phytoprotection 85, no. 1 (2004): 7–12. http://dx.doi.org/10.7202/008900ar.

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AbstractSince 1912, Canadians have used aircraft as aids in the protection of field crops, orchards, and forests from the ravages of fungi, insects, frost, and fire. At first, only fixed-wing aircraft could be used, but from 1947 both fixed-wing and rotary-wing aircraft have been employed. This review also relates the involvement of pioneering people and companies that have developed aerial control methods against biotic and abiotic agents damaging to our plants.
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Ambroży, Sławomir, and Mieczysław Kosibowicz. "Damage to regeneration in the area after large-scale decline of Norway spruce Picea abies (L.) H. Karst. stands in the mountains." Folia Forestalia Polonica, Series A - Forestry 54(1) (March 1, 2012): 3–14. https://doi.org/10.5281/zenodo.30601.

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The paper presents harmful factors relevant to the health of regeneration on decline forest areas in the Sudetes and the Carpathian Mountains. It was found, that adverse atmospheric conditions and deer were the main reasons of damages occurring in most stands. Pest insects were only of marginal consequence, although they eliminated the large parts of regeneration. On decline forest areas there were distinguished three zones with different intensity of damages caused by atmospheric factors. These zones are linked to altitudinal gradient. The intensity of damages increase on higher elevations. I
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Samways, Michael J. "Classical Biological Control and Insect Conservation: Are They Compatible?" Environmental Conservation 15, no. 4 (1988): 349–54. http://dx.doi.org/10.1017/s0376892900029842.

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Exotic insect pests worldwide are many. They are accidental biotic contaminants. Classical biological control (CBC) agents can be considered as deliberately introduced biotic contaminants that, when successful, reduce the overall biomass of contamination and often bring considerable self-sustaining economic relief to farming communites.Although the introduction of exotic agents would seem to be contrary to conservation philosophy, there are no quantified instances to date where the introduction of arthropod agents has been shown to have harmed a specific conservation programme or has been cate
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Ostry, M. E., R. C. Venette, and J. Juzwik. "Decline as a Disease Category: Is It Helpful?" Phytopathology® 101, no. 4 (2011): 404–9. http://dx.doi.org/10.1094/phyto-06-10-0153.

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Many, but not all, forest pathologists use “decline” to describe forest tree diseases of complex etiology. We contend that this distinction from abiotic or biotic diseases is completely arbitrary, has caused undue confusion, and provides no practical insights for forest managers. All diseases are complex and can be characterized within the conceptual framework of the disease triangle. Why do we use a simple label (“decline”) to describe disease situations of complex abiotic and biotic origin when we need to know which damaging agents are present, whether the environment is conducive for diseas
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MacLean, David A. "Impact of forest pests and fire on stand growth and timber yield: implications for forest management planning." Canadian Journal of Forest Research 20, no. 4 (1990): 391–404. http://dx.doi.org/10.1139/x90-057.

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Impact of forest pests and fire on stand growth and timber yield is reviewed, with emphasis on spruce budworm (Choristoneurafumiferana (Clem.)). Damaging agents reduce tree growth, kill trees, destroy the commercial value of stands, and sometimes reduce yield in subsequent rotations. Sustainable harvest may be reduced by up to 60% by a severe spruce budworm outbreak and up to 40% by a 1% per annum loss to fire. Serious overestimation of future timber supply can therefore result from the failure to allow for catastrophic or continual small losses caused by fire or biotic agents. Current efforts
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Masamba, Priscilla, and Abidemi Paul Kappo. "Parasite Survival and Disease Persistence in Cystic Fibrosis, Schistosomiasis and Pathogenic Bacterial Diseases: A Role for Universal Stress Proteins?" International Journal of Molecular Sciences 22, no. 19 (2021): 10878. http://dx.doi.org/10.3390/ijms221910878.

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Universal stress proteins (USPs) were originally discovered in Escherichia coli over two decades ago and since then their presence has been detected in various organisms that include plants, archaea, metazoans, and bacteria. As their name suggests, they function in a series of various cellular responses in both abiotic and biotic stressful conditions such as oxidative stress, exposure to DNA damaging agents, nutrient starvation, high temperature and acidic stress, among others. Although a highly conserved group of proteins, the molecular and biochemical aspects of their functions are largely e
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Saeed, Muhammad, Tariq Mukhtar, Raees Ahmed, Tanveer Ahmad, and Muhammad Aamir Iqbal. "Suppression of Meloidogyne javanica Infection in Peach (Prunus persica (L.) Batsch) Using Fungal Biocontrol Agents." Sustainability 15, no. 18 (2023): 13833. http://dx.doi.org/10.3390/su151813833.

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In South Asian countries, the lucrative production of peaches has been seriously threatened by an assortment of biotic stresses especially nematodes. This situation compromises the achievement of sustainable development goals (SDGs) related to food security and zero hunger. Recently under changing climate, root-knot nematodes of the genus Meloidogyne have emerged as the most damaging phytopathogenic nematodes, while the efficacy of chemical control has remained limited. Therefore, a study was executed to assess the efficacy of four biocontrol agents including Pochonia chlamydosporia, Purpureoc
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Choi, Jane Junghae, Steven J. Klosterman, and Lee A. Hadwiger. "A Comparison of the Effects of DNA-Damaging Agents and Biotic Elicitors on the Induction of Plant Defense Genes, Nuclear Distortion, and Cell Death." Plant Physiology 125, no. 2 (2001): 752–62. http://dx.doi.org/10.1104/pp.125.2.752.

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Subedi, Pratima, Kaitlin Gattoni, Wenshan Liu, Kathy S. Lawrence, and Sang-Wook Park. "Current Utility of Plant Growth-Promoting Rhizobacteria as Biological Control Agents towards Plant-Parasitic Nematodes." Plants 9, no. 9 (2020): 1167. http://dx.doi.org/10.3390/plants9091167.

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Plant-parasitic nematodes (PPN) are among the most economically and ecologically damaging pests, causing severe losses of crop production worldwide. Chemical-based nematicides have been widely used, but these may have adverse effects on human health and the environment. Hence, biological control agents (BCAs) have become an alternative option for controlling PPN, since they are environmentally friendly and cost effective. Lately, a major effort has been made to evaluate the potential of a commercial grade strain of plant growth-promoting rhizobacteria (PGPR) as BCAs, because emerging evidence
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Book chapters on the topic "Biotic damaging agents"

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Babar Shahzad Afzal, Muhammad, Ansa Banazeer, Jose Eduardo Serrao, Muhammad Rizwan, and Afifa Naeem. "Ecology, Biology, Damage, and Management of Sucking and Chewing Insect Pests of Citrus." In Citrus Research - Horticultural and Human Health Aspects. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.109846.

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Citrus are important commodities for human and animal nutrition but these crops are attacked by a plethora of dangerous agents, including viruses, bacteria, fungi, and invertebrates that decrease the yield significantly. Within invertebrates, insects are the more prevalent citrus pests causing plant damage or act as diseases vector. In this chapter, we focused in the insect pests with worldwide distribution in citrus orchards, including sap sucking Asian citrus psyllid Diaphorina citri, citrus mealybug Planococcus citri, citrus whitefly Dialeurodes citri, thrips representatives such as Scirtot
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Bozbuga, Refik, Songul Yalcin Ates, Pakize Gok Guler, et al. "Host-Pathogen and Pest Interactions: Virus, Nematode, Viroid, Bacteria, and Pests in Tomato Cultivation." In Tomato - From Cultivation to Processing Technology [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.106064.

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Several pathogens and pests damage tomato plants, and only one and/or more pathogens and pests can coexist in the same plant at the same time. As several numerous pathogens are found in the same plant, the damage to the tomato plants is higher. Pathogens such as nematodes, viruses, viroids, bacteria, and insects adversely affect the growth and development of tomato plants. They may infect roots or upper part of the plant and can cause not only slow down the growth of plants, but also crop losses and their death. Damaging of plant caused by pathogens and pests reduces the market value of plant
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