• Ripening response of sugarcane varieties to chemical ripeners and economic benefits during the early period of harvesting at Wonji-Shoa and Metahara sugarcane plantations, Central Rift Valley of Ethiopia 

  Ayele, Netsanet; Tana, Tamado; Van Heerden, Philippus D.R.; W/Tsadik, Kebede; Alemayehu, Yibekal (MDPI Publishing, 2021-06-02)

  Wonji-Shoa and Metahara sugarcane plantations experience reduced sucrose content (%) during the starting period of sugarcane crushing due to the combined influence of high (>27°C) temperature and the presence of high ...
• A method for silicon analysis in citrus and horticulture leaf tissue 

  Mvondo-She, Mireille Asanzi (Taylor and Francis, 2021)

  Silicon (Si) is classified as a beneficial element in higher plants. Although there is an abundance of literature on Si extraction and analysis in graminaceous crops such as rice and sugarcane, there is limited information ...
• Education in ecological engineering—a need whose time has come 

  Dale, Glenn; Dotro, Gabriela; Srivastava, Puneet; Austin, David; Hutchinson, Stacy; Head, Peter; Goonetilleke, Ashantha; Stefanakis, Alexandros; Junge, Ranka; Fernandez L., Jose A.; Weyer, Vanessa Derryn; Truter, Wayne Frederick; Buhler, Devi; Bennett, John; Liu, Hongbo; Li, Zifu; Du, Jianqiang; Schneider, Petra; Hack, Jochen; Schonborn, Andreas (Springer, 2021-06)

  OVERCOMING LIMITATIONS OF ECOLOGY AND ENGINEERING IN ADDRESSING SOCIETY’S CHALLENGES : By providing an integrated, systems-approach to problem-solving that incorporates ecological principles in engineering design, ecological ...
• Bacterial community dynamics and functional profiling of soils from conventional and organic cropping systems 

  Bill, Malick; Chidamba, Lizyben; Gokul, Jarishma K.; Labuschagne, Nico; Korsten, Lise (Elsevier, 2021-01)

  Soil microbiomes play an integral role in agricultural production systems. Understanding of the complex microbial community structure and responses to conventional compared to organic cropping systems is crucial for ...
• Physiological and molecular responses of ‘Dusa’ avocado rootstock to water stress : insights for drought adaptation 

  Guillermo, Moreno-Ortega; Adela, Zumaquero; Antonio, Matas; Olivier, Nicholas Abraham; Van den Berg, Noelani; Palomo-Ríos, Elena; Martínez-Ferri, Elsa; Clara, Pliego (MDPI, 2021-09)

  Avocado consumption is increasing year by year, and its cultivation has spread to many countries with low water availability, which threatens the sustainability and profitability of avocado orchards. However, to date, ...
• Metabolomic evaluation of tissue specific defense responses in tomato plants modulated by PGPR-priming against Phytophthora capsici infection 

  Mhlongo, Msizi I.; Piater, Lizelle A.; Steenkamp, Paul A.; Labuschagne, Nico; Dubery, Ian A. (MDPI, 2021-08)

  Plant growth-promoting rhizobacteria (PGPR) can stimulate disease suppression through the induction of an enhanced state of defense readiness. Here, untargeted ultra-high performance liquid chromatography–mass spectrometry ...
• A non-native Palmer amaranth (Amaranthus palmeri) population in the Republic of South Africa is resistant to herbicides with different sites of action 

  Reinhardt, Carl Frederick (Charlie); Vorster, Juan; Kupper, Anita; Peter, Falco; Simelane, Adelaide; Friis, Stephanus; Magson, Jacques; Aradhya, Chandrashekar (Cambridge University Press, 2022-03)

  Palmer amaranth (Amaranthus palmeri S. Watson) is not native to Africa. Based on the presence and persistence of A. palmeri populations, its invasive status in southern Africa is classified as “naturalized.” Globally, A. ...
• Anthracnose leaf spot pathogens, Colletotrichum fructicola and Colletotrichum cigarro, associated with Eucalyptus seed produced in South Africa 

  Mangwende, Edgar; Truter, M.; Aveling, T.A.S. (Terry); Chirwa, Paxie W. (Springer, 2021-09)

  The cost of Eucalyptus seed and adoption of strict phytosanitary regulations in seed trade makes it imperative to monitor the quality and ensure supply of pathogen-free seeds for both forestry regeneration and research. ...
• New and interesting fungi. 4 

  Crous, Pedro W.; Hernandez-Restrepo, H.; Schumacher, R.K.; Cowan, Don A.; Maggs-Kolling, G.; Marais, E.; Wingfield, Michael J.; Yilmaz, Neriman; Adan, O.C.G.; Akulov, A.; Alvarez Duarte, E.; Berraf-Tebbal, A.; Bulgakov, T.S.; Carnegie, A.J.; De Beer, Z. Wilhelm; Decock, C.; Dijksterhuis, J.; Duong, Tuan A.; Eichmeier, A.; Hien, L.T.; Houbraken, J.A.M.P.; Khanh, T.N.; Liem, N.V.; Lombard, L.; Lutzoni, F.M.; Miadlikowska, J.M.; Nel, Wilma Janine; Pascoe, I.G.; Roets, F.; Roux, Jolanda; Samson, R.A.; Shen, M.; Spetik, M.; Thangavel, R.; Thanh, H.M.; Thao, L.D.; Van Nieuwenhuijzen, E.J.; Zhang, J.Q.; Zhang, Y.; Zhao, L.L.; Groenewald, Johannes Zacharias (Westerdijk Fungal Biodiversity Institute, 2021-04-28)

  An order, family and genus are validated, seven new genera, 35 new species, two new combinations, two epitypes, two lectotypes, and 17 interesting new host and / or geographical records are introduced in this study. Validated ...
• Whole genome sequencing of extended-spectrum- and AmpC- beta-lactamase-positive enterobacterales isolated from spinach production in Gauteng Province, South Africa 

  Richter, Loandi; Du Plessis, Erika Margarete; Duvenage, Stacey; Allam, Mushal; Ismail, Arshad; Korsten, Lise (Frontiers Media, 2021-10-01)

  The increasing occurrence of multidrug-resistant (MDR) extended-spectrum β-lactamase- (ESBL) and/or AmpC β-lactamase- (AmpC) producing Enterobacterales in irrigation water and associated irrigated fresh produce represents ...
• The activity of gold nanoparticles synthesized using Helichrysum odoratissimum against Cutibacterium acnes biofilms 

  De Canha, Marco Nuno; Thipe, Velaphi Clement; Katti, Kattesh V.; Mandiwana, Vusani; Kalombo, Michel Lonji; Ray, Suprakas Sinha; Rikhotso, Rirhandzu; Janse van Vuuren, Arno; Lall, Namrita (Frontiers Media, 2021-09-13)

  The human skin is home to millions of bacteria, fungi, and viruses which form part of a unique microbiome. Commensal microbes, including Cutibacterium acnes can occasionally become opportunistic resulting in the onset of ...
• Nitrogen dynamics of amending coal gasification ash with organic industrial sludge: implications for dumpsite rehabilitation 

  Mbakwe, Ikenna (University of Pretoria, 2014-03)

  Coal gasification ash (CGA) is the waste by-product of the process of producing synthetic fuel from coal. Every year, millions of tons of this saline, alkaline waste are generated and although alternative uses have been ...
• Using the organic carbon fractions of the Van soest method to determine compounds responsible for C and N mineralization from sludge amended soils 

  Malobane, Mashapa Elvis (University of Pretoria, 2014-11)

  The composition of sludge organic matter is mainly influenced by the origin of wastewater. The biochemical composition of sludge could, however, alter from post wastewater treatment drying techniques. Such changes have ...
• Plant health and sound vibration : analyzing implications of the microbiome in grape wine leaves 

  Wassermann, Birgit; Korsten, Lise; Berg, Gabriele (MDPI, 2021-01-12)

  Understanding the plant microbiome is a key for plant health and controlling pathogens. Recent studies have shown that plants are responsive towards natural and synthetic sound vibration (SV) by perception and signal ...
• Large-scale agricultural investments in Eastern Africa : consequences for small-scale farmers and the environment 

  Zaehringer, Julie Gwendolin; Messerli, Peter; Giger, Markus; Kiteme, Boniface; Atumane, Ali; Da Silva, Maya Paula Ferreira Martins; Rakotoasimbola, Lovasoa; Eckert, Sandra (Taylor and Francis, 2021)

  Available empirical evidence about the impacts of large-scale agricultural investments (LAIs) in low-income countries is skewed towards the assessment of economic benefits. How LAIs affect land use and the environment ...
• The life cycle and field epidemiology of Uromycladium acaciae (Pucciniales) on Acacia mearnsii in South Africa 

  Fraser, Stuart; McTaggart, Alistair R.; Roux, Jolanda; Nel, Johan; Potgieter, James; Shuey, Louise S.; Somchit, Chanatda; Wingfield, Michael J. (Wiley, 2021-07)

  Uromycladium acaciae has damaged plantations of Acacia mearnsii in southern Africa since 2013. Uredinia of a species of Uromycladium have been known on A. mearnsii in South Africa since the 1980s. However, the recent damage ...
• A new species in the Mycosphaerellaceae from Cecidomyiidae leaf galls on Avicennia marina in South Africa 

  Osorio, J. Alexander; Linnakoski, Riikka; Wingfield, Michael J.; De Beer, Z. Wilhelm; Roux, Jolanda (Springer, 2021-05)

  During studies to investigate the health of mangrove trees in South Africa, high numbers of Avicennia marina were found with leaf galls caused by unidentified adults and larvae of midges (Cecidomyiidae). Fungal fruiting ...
• First records of Amaranthus palmeri, a new emerging weed in southern Africa with further notes on other poorly known alien amaranths in the continent 

  Sukhorukov, Alexander P.; Kushunina, Maria; Reinhardt, Carl Frederick (Charlie); Bezuidenhout, Hugo; Vorster, Barend Juan (Regional Euro-Asian Biological Invasions Centre, 2021-03)

  Amaranthus palmeri is native to Mexico and the south-eastern parts of the USA, and is reported as alien in subtropical regions of the Old World. Previous records from Africa were from the northern parts of the continent. ...
• Assessing evapotranspiration and crop coefficients of potato in a semi-arid climate using Eddy Covariance techniques 

  Machakaire, A.T.B.; Steyn, J.M. (Joachim Marthinus), 1963-; Franke, A.C. (Elsevier, 2021-09)

  Please read abstract in the article.
• The role of browsers in maintaining the openness of savanna grazing lawns 

  Voysey, Michael D.; Archibald, Sally; Bond, William J.; Donaldson, Jason E.; Staver, A. Carla; Greve, Michelle (Wiley, 2021-02)

  In savannas, ruminant herbivores can have divergent impacts on tree recruitment and subsequent woody cover. Whereas heavy grazing by cattle results in woody thickening, intensive grazing by wildlife instead tends to be ...

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