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Asian Network for Scientific Information is a Science, Technology and Medicine (STM) publisher of 37 peer-reviewed open access quality journals. We foster communication among scientists, researchers, students and professionals - enabling them to work more efficiently and intelligently, thereby advancing knowledge and learning.

Plant Pathology Journal
eISSN: 1812-5425
pISSN: 1812-5387

Editor-in-Chief:  Mohamed Abdul Rahman Elwakil
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Editorial
Published on December 15, 2015
Prediction of Binding Site in Eight Protein Molecules of Begomovirus and its Satellite Components i.e. Betasatellite and Alphasatellite Isolated from Infected Ornamental Plant
Avinash Marwal, Rajneesh Prajapat and R.K. Gaur
Earlier reported the molecular characterization of complete genome of a begomovirus and its satellite molecules isolated from an ornamental plant Marigold i.e., Ageratum enation virus (AEV: KC589699), Ageratum leaf curl betasatellite (ALCB: KC589700) and Marigold leaf curl alphasatellite (MLCuA: KC206078). It presented and highlighted the computational approach for prediction of binding sites in protein molecules of the three begomovirus components for in depth study using two servers. Thus, in order to take a step forward to find a cure against such viruses that causes major crop loss worldwide.
Research Article
Published on December 15, 2015
Postharvest Application of Some Essential Oils for Controlling Gray and Blue Moulds of Apple Fruits
Faten M. Abd-El- Latif
Worldwide gray mould caused by Botrytis cinerea and blue mould caused by Penicillium spp. are the most important diseases attacking apple fruit during storage. Evaluating the effects of some essential oils i.e., eucalyptus, lemongrass and thyme on linear growth and spore germination of pathogenic fungi. Moreover, their efficacy on gray and blue moulds incidence of apple fruits was tested. All treatments significantly reduced the linear growth and spore germination of both tested fungi. Essential oils of eucalyptus, lemongrass and thyme at a concentration of 0.6 and 0.8% completely inhibit the linear growth and spore germination of B. cinerea and Penicillium sp. except that lemongrass at 0.6%. Sterilized water containing essential oils of eucalyptus, lemon grass and thyme at different concentrations, i.e., 0.0, 0.6 and 0.8% (v/v) were tested to study their effect against gray and blue mould incidence of apple fruits. Results indicated that all treatments significantly reduced the disease incidence and rotted part tissue (Disease severity). The most effective treatment was eucalyptus and thyme at 0.8%, which reduced the disease incidence more than 83.8 and 82.7% and rotted part tissue by 85.9 and 88.5% for gray and blue moulds, respectively. The highest reduction was obtained with eucalyptus and thyme at concentrations of 0.6% and lemongrass at 0.8% which reduced both diseases incidence and rotted part tissue more than 74.0 and 75.8%, respectively. Meanwhile, other treatments showed moderate effect. It could be suggested that essential oils could make them an excellent treatment for controlling postharvest diseases of apple fruits.
Research Article
Published on December 15, 2015
Excised Leaf Method for High Volume Evaluation of Sorghum Germplasm for Resistance Against Colletotrichum sublineolum
Louis K. Prom, Hugo Cuevas, Thomas Isakeit and Robert Droleskey
Foliar phase of anthracnose, caused by Colletotrichum sublineolum is the most important leaf disease of sorghum. Due to the hyper-variable nature of the fungus, continuous evaluation of sorghum germplasm to identify new sources of resistance is imperative. Field and greenhouse evaluations for anthracnose resistance, especially with large numbers of sorghum lines/accessions can be expensive, time consuming and require large spaces and labor. In this study, 16 sorghum lines were evaluated by putting a drop of the mixture of C. sublineolum isolates suspension on each side of the midrib of adaxial excised leaves plated on half-strength potato dextrose agar medium and concurrently as whole plants inoculated with a mixture of C. sublineolum isolates-colonized grain and conidial suspension in the greenhouse. Each line exhibited the same reaction when challenged with C. sublineolum either using the excised leaf assay or screened in the greenhouse, indicating that the excised leaf assay is as effective in identifying susceptibility or resistance to the anthracnose pathogen. In both screening methods, SC748 was the only resistant line. The excised leaf assay was completed in 4 days while the greenhouse evaluation was arrested 44 days post-inoculation. Thus, the excised leaf method could offer several advantages in screening sorghum for anthracnose resistance such as reducing the time for conducting the experiment, labor, space and increasing the number of isolates that can be tested within a short period.

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