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Comparison of the Infection Obtained on
Transmission of the YellowDwarf Virus
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0.01 M cysteine apical Brazilia buffer solution cage carborundum method chlorosis chlorotic spots crimson clover cysteine hydro cysteine hydrochloride Datura stramonium days after inoculation Dilution dwarf virus effect of cysteine field resistance grafted growing tips half-leaves Hansing host plant hypospray infection of potato insect vector jimson weed mortar and pestle necrosis Nicotiana rustica number of primary pH 7 sodium pin-puncture method plants were darkened post-inoculation temperatures potato plants Potato Varieties Russet potato yellow-dwarf virus pre-inoculation darkening primary infection prior to inoculation reducing agent Rieman and McFarlane Rural and Sebago Russet Rural plant Russet Rural variety sap transmission Sebago plant Sebago potato variety sodium phosphate buffer susceptible Russet Rural symptom expression systemic infection Systemic symptoms Table temperatures of 80°F test plants tissue tomato Total number Total plants treatments trials were conducted tubers varieties Russet Rural Vicia Faba virus to potato winter greenhouse conditions yellow yellow-dwarf disease yellow-dwarf infected YELLOW-DWARF VIRUS DISEASE