[Induction of embryogenic callus of loose skin mandarins].
Young ovules from 3 cultivars and undeveloped ovules in mature fruits from 8 cultivars of loose skin mandarin of Citrus were cultured on 4 different media respectively to induce embryogenic calli. Results showed that the combination of EME(MT + 500 mg/L malt extract) and MKT (EME + 10 mg/L KT) media performed well in the induction of embryogenic calli from young ovules; MGS(EME + 1 mg/L GA3 + 40 mg/L sulfate adenine) medium was better than MDB (MT + 0.01 mg/L 2,4-D + 0.1 mg/L BA) medium in inducing calli from the undeveloped ovules, and the darkness was conducive to the induction of embryogenic calli. There was no chromosome number variation in the induced calli. All of the examined cells were diploid with 2n = 2x = 18 chromosomes.
Huo
H Q
HQ
National Laboratory of Crop Genetic Improvement, Citrus Research Institute, Huazhong Agricultural University, Wuhan 430070.
Hao
Y J
YJ
Deng
X X
XX
D002875:Chromosomes / Q000235:genetics; D002957:Citrus / Q000235:genetics / Q000254:growth & development*; D003470:Culture Media / Q000494:pharmacology; D046508:Culture Techniques / Q000379:methods*; D014644:Genetic Variation
D003470:Culture Media