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Integrated disease management of ascochyta blight in pulse crops. Restriction fragment length polymorphism analysis of loci associated with disease resistance genes and developmental traits in Pisum sativum L. Intercropping reduces Mycosphaerella pinodes severity and delays upward progress on the pea plant. Crop Prot. An intraspecific linkage map of the chickpea Cicer arietinum L. Identification of genes differentially expressed in a resistant reaction to Mycosphaerella pinodes in pea using microarray technology. BMC Genomics 12 , Mapping of quantitative trait loci for resistance to Mycosphaerella pinodes in Pisum sativum subsp.

Genetics of resistance to ascochyta blight Ascochyta lentis of lentil and the identification of closely linked RAPD markers. Proteomic analysis of S -nitrosylation and denitrosylation by resin-assisted capture. Comprehensive transcriptome analysis of the highly complex Pisum sativum genome using next generation sequencing.

Microsynteny between pea and Medicago truncatula in the SYM2 region. Plant Mol. Resistance gene analogues of chickpea Cicer arietinum L. The marker SCK associated with resistance to ascochyta blight in chickpea is located in a region of a putative retrotransposon. Plant Cell Rep. Detection of two QTL for resistance to ascochyta blight in an intraspecific cross of chickpea Cicer arietinum L. Plant phosphoproteomics: a long road ahead. Proteomics 6 , — Genetics of resistance to 3 isolates of Ascochyta fabae on faba bean Vicia faba L. Euphytica , 49— Evaluating faba beans for resistance to ascochyta blight using detached organs.

High-throughput SuperSAGE for digital gene expression analysis of multiple samples using next generation sequencing. The salt-responsive transcriptome of chickpea roots and nodules via. BMC Plant Biol. Resistance to ascochyta blights of cool season food legumes. Ascochyta blight of chickpea Cicer arietinum L.

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Mapping of quantitative trait loci for partial resistance to Mycosphaerella pinodes in pea Pisum sativum L. Candidate genes for quantitative resistance to Mycosphaerella pinodes in pea Pisum sativum L. Analysis of genome organization, composition and microsynteny using kb BAC sequences in chickpea.

DAF marker tightly linked to a major locus for ascochyta blight resistance in chickpea Cicer arietinum L. Euphytica , 23— Genetics of resistance in faba bean inbred lines to five isolates of Ascochyta fabae. Locating genes associated with Ascochyta fabae resistance in Vicia faba L.

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QTL mapping of resistance in lentil Lens culinaris ssp. Plant Breed. Resistance of cool season food legumes to ascochyta blight. Field Veg. Crop Res. Identification and mapping of QTLs conferring resistance to ascochyta blight in chickpea. Crop Sci. Faba bean breeding for disease resistance. Field Crops Res. Resistance to 6 races of Ascochyta rabiei in the world germplasm collection of chickpea.

Construction of a cDNA library of Lathyrus sativus inoculated with Mycosphaerella pinodes and the expression of potential defence-related expressed sequence tags ESTs. Recent advances in legume transformation. Integrated pest management in faba bean. Quantitative trait loci for lodging resistance, plant height and partial resistance to Mycosphaerella blight in field pea Pisum sativum L. Integration of sequence tagged microsatellite sites to the chickpea genetic map. QTL mapping of partial resistance to field epidemics of ascochyta blight of pea. Screening techniques and sources of resistance to foliar diseases caused by major necrotrophic fungi in grain legumes.

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Chowdhury et al. Rubeena et al. Singh and Reddy , Collard et al. Four 6 cm replicated plates were used for each concentration. When the ZJ-1 colony on the negative control plate extended to two-thirds of the plate, mycelial growth on each plate was recorded. To determine whether the EC 50 of ZJ-1 was representative of the susceptibility of all Ascochyta pinodes isolates, five isolates were randomly picked from the remaining 64 isolates and tested for growth inhibition on PDA agar plates supplemented with individual fungicides at the EC 50 concentration of the ZJ-1 strain.

The experiment was repeated three times. Table 2. Toxicity of 14 fungicides against Ascochyta pinodes ZJ Bacterial isolates were recovered from the leaves, stem tissues, roots and rhizosphere soil of peas grown in the above-mentioned five fields using dilution plating methods Barraquio et al. Briefly, each sample was homogenized with a sterilized mortar and pestle.

Macerated samples were serially diluted with sterile 0.

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All isolates were tested in triplicate. The non-antagonistic activity of Bacillus subtilis strain PY79 was used as a control strain. Shenzhen, China.

For each treatment, there were 3 replicates with 15 pots per replicate. After 4 weeks of growth, the seedlings were sprayed with a fungicide or a cell suspension of biocontrol agents with a hand-held atomizer until numerous droplets were deposited onto the surface of leaves.

The treatment without fungicides or antagonist bacteria application but inoculated with the ZJ-1 spore suspension was used as a control. Disease severity on the plant leaves and stems was rated 2 weeks after inoculation. The test of the efficiency of the fungicides and biocontrol agent was repeated twice under greenhouse condition. To test the efficiency of disease control in the field, seeds were sown into soil in November, , and disease control agents were applied in March, The fields were located in Haining, where ascochyta blight was occurring and causing severe losses every year.

The treatments, both fungicides and bacterial agents, were applied twice, at the initiation of flowering and mid-flowering during the growing season. The field trials were conducted using a randomized plot design with three replicates of each treatment. Appropriate fertilizers and herbicides were applied according to standard management practices. Disease severity on the plant leaves and stems was rated 2 weeks after the second application. A total of 30 pea seedlings were randomly chosen for disease severity survey in each plot. Based on the efficacy of fungicides according the EC 50 and their cost, five fungicides, including the tebuconazole, boscalid, iprodione, carbendazim, and fludioxonil, were tested in this study.

For the bacterial agents, Bacillus sp. Symptoms on foliage were visually estimated using a 0-to-5 scale Zhang et al. The infected field pea plant tissues collected from six sites in Zhejiang Province presented typical ascochyta blight symptoms, including black necrotic spots on leaves and pods, blackening at the base of the stem, and foot rot in seedlings Figure 1A.

A total of 65 single-pycnidiospore isolates were obtained from infected tissue samples.

Prof. Shahal Abbo | Plant Sciences and Genetics in Agriculture

All of these isolates displayed dense and felty colony morphologies on the PDA plates. Colony color tended to gray and darken with age from the center to the edge Figure 1B. These colony morphological features resembled those reported for Ascochyta species. The virulence of all isolates was determined on pea leaves and pods. Typical symptoms are shown in Figure 1C ; the inoculums caused brown lesions on leaves and pods with an additional wide yellowish margin on pods. There was no significant difference in the virulence among all tested strains based on the size of leaf lesions data not shown.

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Our results indicated that all 65 isolates were pathogenic and associated with the disease.