Comparative performance of potato crops raised from microtubers induced in the dark versus microtubers induced in light |
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Authors: | J Gopal J L Minocha J S Sidhu |
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Institution: | (1) Division of Genetics & Plant Breeding, Central Potato Research Institute, Shimla-171 001, HP, India;(2) Biotechnology Centre, Punjab Agricultural University, Ludhiana-141 004, Punjab, India |
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Abstract: | Summary The performance of potato crops raised from two types of microtuber, green (induced in light-dark photoperiod) and white (induced
in continuous darkness), of 18 genotypes was studied for 22 morphological and agronomic characters. Mean squares due to microtuber
type, genotype and their interaction were mostly significant for various characters. Green microtubers were better than white
microtubers for subsequent crop performance for most of the characters including tuber yield and general impression. This
was mainly due to more eyes and shorter dormancy in green microtubers than in white microtubers. The in vitro system of microtuberization
by serial culture of axillary buds in separated nodes, as used in the present study, was found to be genetically stable for
the propagating material. |
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Keywords: | Solanum tuberosum L in vitro propagation seed production green microtubers white microtubers |
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