Micropropagation of Pinus densiflora and the evaluation of nematode resistance of regenerated micros

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To accelerate the breeding and selection of Pinus densiflora Siebold and Zucc.resistance to pine wilt disease,a micropropagation system was established and nematode resistance evaluated in vitro.Cotyledon-hypocotyl explants from 28-day-old seedlings were
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