Interactions between Crops and Obligate Plant Pathogenic Parasites

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Protection and Biotic Interactions".

Deadline for manuscript submissions: closed (20 February 2023) | Viewed by 3821

Special Issue Editor


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Guest Editor
Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
Interests: nematode resistance and plant–nematode interactions

Special Issue Information

Dear Colleagues,

Obligate plant pathogenic parasites represent a major restrictive factor in agriculture production and cause huge annual yield losses globally. Applied and basic research efforts have focused on, and made great progress in, identifying effective infection control practices to minimize the spread of pathogenic parasites, and reduce the damage they cause, such as nematodes, viruses, bacteria and fungi. These research efforts have also aimed to dissect the molecular mechanisms underlying the interactions between pathogenic parasites and host plants, to identify resistant targets for infection prevention at the genome, transcriptome, proteome, metabolome, etc., levels.

This Special Issue of Plants welcomes manuscript submissions that address plant–obligate pathogenic parasite interactions, plant resistance against pathogenic parasites, plant disease resistance genes, and disease resistance mechanisms, as well as diagnostic technologies and integrated management strategies to prevent and control plant obligate pathogenic parasites, including biocontrol agents and the rapid and accurate detection of pathogenic parasites for disease forecasting, and prevention and control. 

Prof. Dr. Shiming Liu
Guest Editor

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Keywords

  • plant–obligate pathogenic parasite interactions
  • obligate plant pathogenic parasites
  • plant germplasm sources conferring resistance to pathogenic parasites
  • disease resistance genes
  • disease resistance mechanisms
  • disease diagnostics
  • disease management

Published Papers (2 papers)

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Research

15 pages, 2806 KiB  
Article
Plant Genotype Shapes the Soil Nematode Community in the Rhizosphere of Tomatoes with Different Resistance to Meloidognye incognita
by Xiangmei Wang, Chaoyan Wang, Ru Chen, Wenxing Wang, Diandong Wang and Xueliang Tian
Plants 2023, 12(7), 1528; https://0-doi-org.brum.beds.ac.uk/10.3390/plants12071528 - 1 Apr 2023
Cited by 2 | Viewed by 1293
Abstract
Soil nematodes are considered indicators of soil quality due to their immediate responses to changes in the soil environment and plants. However, little is known about the effects of plant genotypes on the soil nematode community. To elucidate this, high-throughput sequencing and gas [...] Read more.
Soil nematodes are considered indicators of soil quality due to their immediate responses to changes in the soil environment and plants. However, little is known about the effects of plant genotypes on the soil nematode community. To elucidate this, high-throughput sequencing and gas chromatography/mass spectrometry analysis was conducted to analyze the soil nematode community and the structure of root exudates in the rhizosphere of tomatoes with different resistance to Meloidognye incognita. The dominant soil nematode group in the soil of resistant tomatoes was Acrobeloides, while the soil nematode group in the rhizosphere of the susceptible and tolerant tomatoes was Meloidognye. Hierarchical clustering analysis and non-metric multidimensional scaling showed that the three soil nematode communities were clustered into three groups according to the resistance level of the tomato cultivars. The soil nematode community of the resistant tomatoes had a higher maturity index and a low plant-parasite index, Wasilewska index and disease index compared to the values of the susceptible and tolerant tomatoes. Redundancy analysis revealed that the disease index and root exudates were strongly related to the soil nematode community of three tomato cultivars. Taken together, the resistance of the tomato cultivars and root exudates jointly shapes the soil nematode community. This study provided a valuable contribution to understanding the mechanism of plant genotypes shaping the soil nematode community. Full article
(This article belongs to the Special Issue Interactions between Crops and Obligate Plant Pathogenic Parasites)
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16 pages, 2765 KiB  
Article
Identification and Characterization of Novel Sources of Resistance to Rust Caused by Uromyces pisi in Pisum spp.
by Salvador Osuna-Caballero, Nicolas Rispail, Eleonora Barilli and Diego Rubiales
Plants 2022, 11(17), 2268; https://0-doi-org.brum.beds.ac.uk/10.3390/plants11172268 - 31 Aug 2022
Cited by 11 | Viewed by 2189
Abstract
Pea rust is a major disease worldwide caused by Uromyces pisi in temperate climates. Only moderate levels of partial resistance against U. pisi have been identified so far in pea, urging for enlarging the levels of resistance available for breeding. Herein, we describe [...] Read more.
Pea rust is a major disease worldwide caused by Uromyces pisi in temperate climates. Only moderate levels of partial resistance against U. pisi have been identified so far in pea, urging for enlarging the levels of resistance available for breeding. Herein, we describe the responses to U. pisi of 320 Pisum spp. accessions, including cultivated pea and wild relatives, both under field and controlled conditions. Large variations for U. pisi infection response for most traits were observed between pea accessions under both field and controlled conditions, allowing the detection of genotypes with partial resistance. Simultaneous multi-trait indexes were applied to the datasets allowing the identification of partial resistance, particularly in accessions JI224, BGE004710, JI198, JI199, CGN10205, and CGN10206. Macroscopic observations were complemented with histological observations on the nine most resistant accessions and compared with three intermediates and three susceptible ones. This study confirmed that the reduced infection of resistant accessions was associated with smaller rust colonies due to a reduction in the number of haustoria and hyphal tips per colony. Additionally, a late acting hypersensitive response was identified for the first time in a pea accession (PI273209). These findings demonstrate that screening pea collections continues to be a necessary method in the search for complete resistance against U. pisi. In addition, the large phenotypic diversity contained in the studied collection will be useful for further association analysis and breeding perspectives. Full article
(This article belongs to the Special Issue Interactions between Crops and Obligate Plant Pathogenic Parasites)
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