This review forcuses primarily on plant viruses that infect ornamental flowering bulbs. We should have a knowledge of what causes flowering bulbs to become infected, and how Viruses are diagnosed are classified. and the ehmmated. There are 53 Viruses that infect ornamental geophytes In the world Ara...
This review forcuses primarily on plant viruses that infect ornamental flowering bulbs. We should have a knowledge of what causes flowering bulbs to become infected, and how Viruses are diagnosed are classified. and the ehmmated. There are 53 Viruses that infect ornamental geophytes In the world Arabs mosais Virus, bean yellow mosaic Virus, cucumber misaic Virus, tobacco rattle Virus, tobacco mosaic Virus, tobacco ringspot Virus, tomato spotted Wilt Virus, and turrup mosaic Virus are the most widely detected. Viruses are transrrutted by aph1ds. thnps, nematodes, and mechamcal methods during cultivation and propagatlOD They are mhented In the progeny bults, since most multiply by vegetatIve propagatIon such as division, scaling, chlpping. scooping and cutting of stems and leaves Although VlfUS symptoms may be h1dden under certam condttions, most Vifuses can senously affect the quahty and )'1eld of flowering bulbs. Examples are chlorosis, necrOSIS, dtstontion and stW1t, spot and lme, mottle and mosaIC, leaf drop. corm wnnkhng, color break, flower break. petal cnnkling, Vlfescent flowers, deformed and smaller bulbs, no bloorrung. shorterung vase hfe. dwarfing plant heinght, reducing the vigor of growth. reducing weight and number bulb, and Wilt. The VlfUS-free plants, which are generally taller, have more vigor, longer vase life, produce larger bulbs, and the usually larger flowers With better color than the vlfus-mfected ones The four techlques of 0) VlfUS detection, (2) VlfUS ehrrunation, (3) mamtenance and rapid muittph-cation of virus-free stocks, and (4) preventton of VIrus remfection are needed m order to pro-duce vlfus-free plants VlfUS detectIon methods are: bIOassay. serology(ELlSA). PAGE, molecular hybndIzatton, and electron ffilcroscopy. Virus-free plants are mamly obtamed by In vllra culture system Usually, the combinatIOn of thermotherapy and chemotherapy was employed. These procedures are practtcally apphed for producmg vlfus-free bulbs in the foreIgn country, but not yet in Korea
This review forcuses primarily on plant viruses that infect ornamental flowering bulbs. We should have a knowledge of what causes flowering bulbs to become infected, and how Viruses are diagnosed are classified. and the ehmmated. There are 53 Viruses that infect ornamental geophytes In the world Arabs mosais Virus, bean yellow mosaic Virus, cucumber misaic Virus, tobacco rattle Virus, tobacco mosaic Virus, tobacco ringspot Virus, tomato spotted Wilt Virus, and turrup mosaic Virus are the most widely detected. Viruses are transrrutted by aph1ds. thnps, nematodes, and mechamcal methods during cultivation and propagatlOD They are mhented In the progeny bults, since most multiply by vegetatIve propagatIon such as division, scaling, chlpping. scooping and cutting of stems and leaves Although VlfUS symptoms may be h1dden under certam condttions, most Vifuses can senously affect the quahty and )'1eld of flowering bulbs. Examples are chlorosis, necrOSIS, dtstontion and stW1t, spot and lme, mottle and mosaIC, leaf drop. corm wnnkhng, color break, flower break. petal cnnkling, Vlfescent flowers, deformed and smaller bulbs, no bloorrung. shorterung vase hfe. dwarfing plant heinght, reducing the vigor of growth. reducing weight and number bulb, and Wilt. The VlfUS-free plants, which are generally taller, have more vigor, longer vase life, produce larger bulbs, and the usually larger flowers With better color than the vlfus-mfected ones The four techlques of 0) VlfUS detection, (2) VlfUS ehrrunation, (3) mamtenance and rapid muittph-cation of virus-free stocks, and (4) preventton of VIrus remfection are needed m order to pro-duce vlfus-free plants VlfUS detectIon methods are: bIOassay. serology(ELlSA). PAGE, molecular hybndIzatton, and electron ffilcroscopy. Virus-free plants are mamly obtamed by In vllra culture system Usually, the combinatIOn of thermotherapy and chemotherapy was employed. These procedures are practtcally apphed for producmg vlfus-free bulbs in the foreIgn country, but not yet in Korea
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