Plant Protection Science - Latest articles
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Endophytic and rhizobacteria functionalities in alleviating drought stress in maize plants
Victor Funso Agunbiade, Olubukola Oluranti Babalola*
Plant Protect. Sci., 2023, 59(1):1-18 | DOI: 10.17221/61/2022-PPS 
Drought stress is among the significant forms of abiotic stresses that unfavourably affects maize survival as well as the development from germination to maturity. This paper, therefore, reviewed drought stress effects in maize plants and expatiated on the plausible adoptable mitigation measures to employ in curbing these effects as well. Water shortage prompts drought stress that alters the morphological, physiological and biochemical activities in maize plants. The major drought stress implications on the plant’s survival are mostly in the area of altered metabolic functions, including nutrient metabolism, cell membrane integrity, water...
Characterisation of the HbSnRK2 gene family members and revealing specific HbSnRK2.2 functions in the stress resistance of the rubber tree
Yu Zhang, Mingyang Liu, Dong Zhang, Meng Wang, Lifeng Wang
Plant Protect. Sci., 2023, 59(1):59-72 | DOI: 10.17221/48/2022-PPS
SNF1-related protein kinase (SnRK2) is a critical positive regulatory factor in the abscisic acid (ABA) signalling pathway. However, the roles of the HbSnRK2 gene family members in the rubber tree, especially in response to stress, have not been thoroughly characterised. Here, we cloned six HbSnRK2 genes from the rubber tree. Based on the phylogenetic analysis, the HbSnRK2 family genes were divided into three groups. The motifs and intron numbers of HbSnRK2 were conserved. Analysis of cis-regulatory element sequences of all HbSnRK2 genes identified ABRE and TC-rich elements in the prompter of all the HbSnRK2 genes,...
Comparison of the shoot and blossom susceptibility of European and Asian pear cultivars to fire blight across different conditions
Iveta Pánková*, Václav Krejzar, Simona Buchtová, Radka Krejzarová
Plant Protect. Sci., 2023, 59(1):48-58 | DOI: 10.17221/55/2022-PPS
The susceptibility of 14 pear cultivars to the bacterium Erwinia amylovora, the causal agent of fire blight disease, was evaluated using three different methods of in vivo inoculation – the leaf inoculation method on detached shoots of pear cultivars in a climate chamber, and the terminal shoot and blossom inoculation methods on potted trees of the same pear cultivars in a net house. The results of the artificial inoculations of the European and Asian pear cultivars were compared using the susceptibility score scale, as well as the ANOVA and post hoc methods. The differences among the pear cultivar susceptibility increased...
Detection and molecular identification of a 16SrI group phytoplasma associated with sisal purple leafroll disease
Guihua Wang, Weihuai Wu, Jingen Xi, Helong Chen, Chunping He, Ye Li, Jinlong Zheng, John S. Hu, Kexian Yi
Plant Protect. Sci., 2023, 59(1):19-30 | DOI: 10.17221/90/2022-PPS
Sisal purple leafroll disease (SPLD) is a destructive disease affecting sisal in China, however, its etiology remains unknown. This disease is characterized by purple margins and rolling and yellowing of the leaves. Recently, phytoplasma was found to be present in SPLD-affected sisal according to PCR assay. To further verify the presence of phytoplasma, determine its association with SPLD and identify the possible pathogenic phytoplasma infecting sisal, 80 symptomatic and 65 asymptomatic sisal samples were collected from the main sisal farms in three Chinese provinces, including Hainan, Guangdong and Guangxi provinces, from 2018 to 2021. PCR assays...
Endophytic fungi and their potential in controlling white root disease of cashew
Fitra Parlindo, Suryo Wiyono, Efi Toding Tondok
Plant Protect. Sci., 2023, 59(1):73-91 | DOI: 10.17221/134/2021-PPS
White root disease is a significant disease of cashew caused by Rigidoporus sp. Five endophytic fungal isolates, namely AR31D (Fusarium proliferatum), AR42D (Penicillium citrinum), BR32C (Trichoderma asperellum), VNTB1 (Chaetomium sp.), and EAGS14 (Curvularia lunata), were assessed as the biocontrol agents against Rigidoporus sp. in vitro and in planta. The research objective was to obtain endophytic fungi that effectively control Rigidoporus sp. and their mechanisms. The in vitro test results showed that all isolates could inhibit Rigidoporus sp. and promote plant...
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Plant Protect. Sci., 2023, 59(1):I-II