نتایج جستجو برای: potato disc

تعداد نتایج: 66771  

Potato image segmentation is an important part of image-based potato defect detection. This paper presents a robust potato color image segmentation through a combination of a fuzzy rule based system, an image thresholding based on Genetic Algorithm (GA) optimization and morphological operators. The proposed potato color image segmentation is robust against variation of background, distance and ...

حمید رضا محمدی, , سیروس قبادی, , مسعود بهار, ,

The identification of potato cultivars is a recurrent objective of potato research. The research is prompted by the increasing number of potato cultivars and the importance of seed purity. In developing a reliable method for identification of the imported potato cultivars and determining their genetic relationship, the capacity of 10 polymorphic simple sequence repeat markers (SSRs) was evaluat...

2011
R. J. RUKARWA

In sub-Saharan Africa, sweetpotato (Impomoea batatas L.) production is greatly constrained by sweetpotato virus disease (SPVD) complex. This study was conducted to assess the incidence of viruses in healthy-looking sweetpotato in Uganda and to optimise modern technologies for virus diagnosis. A collection of healthy-looking sweetpotato vines from central Uganda were serologically assayed for sw...

Journal: :Jurnal Pembelajaran dan Biologi Nukleus (JPBN) 2022

Apis Dorsata Binghami honey bee is a endemic to Indonesia, living naturally in the forests of Sulawesi. This study aimed obtain isolates and characteristics endogenous fungi antibiotic activity from dorsata nest. The research consisted isolation beehives using potato dextro agar, pure culture fungi, antagonist test disc diffusion method. Antibiotic was performed on oral bacteria Staphylococcus ...

Journal: :PLoS ONE 2009
Pudota B. Bhaskar Muthusubramanian Venkateshwaran Lei Wu Jean-Michel Ané Jiming Jiang

Potato is the third most important food crop worldwide. However, genetic and genomic research of potato has lagged behind other major crops due to the autopolyploidy and highly heterozygous nature associated with the potato genome. Reliable and technically undemanding techniques are not available for functional gene assays in potato. Here we report the development of a transient gene expression...

2016
A. S. Helal H. Osman

This experiment was carried out during the two growing seasons 2012/2013 and 2013/2014 at the experimental farm of Unit for Strawberry and Non Traditional Horticulture Crops, Horticulture Department, Faculty of Agriculture, Ain Shams University, Egypt, in order to investigate the effect of magnetic field on germination of true potato seeds (TPS), vegetative growth and potato tubers characterist...

2014
Maria Giovanna Tilocca Gianfranca Serratrice Maria Agostina Oggiano Maria Rosalba Mancuso Ilaria Mascia Edoardo Marongiu Bruna Vodret

The Amflora (EH92-527-1) potato is a genetically modified (GM) potato in which only starch of the amylopectin form is produced. This has been achieved by intervening with the biosynthesis of starch in this variety of potato. The Amflora potato is solely grown for the purposes of enhancing its industrial application. Although the Amflora potato is not fit for human consumption, the presence of t...

2015
Jahanshir Amini

Verticillium wilt of potato is a major limiting factor in potato production caused by Verticillium dahliae. The objective of this study was to evaluate the efficacy two elicitors including Acibenzolar-S-methyl (ASM) and Chitosan as plant activator in controlling of potato verticillium wilt in vitro and greenhouse conditions. ASM and chitosan were tested in vitro using Potato dextrose Agar (PDA)...

Journal: :Acta biochimica Polonica 1994
M Wełnicki C Zekanowski W Zagórski

A molecular probe, p3POT, was constructed of PSTVd, PVY, PLRV cDNA fragments introduced into pUC18 vector. Sequencing of the inserts revealed that cloned fragments covered conservative parts of pathogenic genomes. Dot-blot hybridization of digoxigenin-labelled construct to crude extracts from plants infected with different potato viruses proved high sensitivity and specificity of the p3POT prob...

2008
Teruo Sano Satoru Machida Naoki Yamahata

Like many plant RNA viruses, infection by potato spindle tuber viroid (PSTVd) is known to lead to RNA silencing and a marked reduction in visible disease. To examine the relationship between RNA silencing and this recovery phenomenon in greater detail, we have carried out time-course analyses of viroid-specific small RNA accumulation using several viroid—host combinations. These analyses reveal...

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