Meristem Culture for Virus-Free Plants — NEET
📚 Practice ConceptAnother important application of the method is the recovery of healthy plants from diseased plants. Even if the plant is infected with a virus, the meristem (apical and axillary) is free of virus. Hence, one can remove the meristem and grow it in vitro to obtain virus-free plants. Scientists have succeeded in culturing meristems of banana, sugarcane, potato, etc.
Which of the above statements regarding plant tissue culture techniques are correct? S1: Meristem culture is utilized for obtaining virus-free plants because the apical and axillary meristems are generally free of viral infection. S2: Micropropagation is the method of producing a large number of genetically identical plants, referred to as somaclones, in a short duration. S3: The nutrient medium for in vitro plant culture typically contains only inorganic salts and a carbon source, without the need for growth regulators. S4: Somatic hybridisation involves the fusion of protoplasts from two different plant varieties to produce a new hybrid plant. S5: Pomato is a commercially highly successful somatic hybrid plant extensively used in agriculture.
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