Study on Haploid Inducing and Doubling of Waxy Maize
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Abstract:
Eleven waxy maize materials were induced by haploid inducers (Jiyou 101) to study the effect of silk length, pollinating date on haploid inducing rate and different approaches on haploid doubling. The results of haploid inducing indicated that, the average haploid inducing rate of long silk pollination was 13.47%, short silk pollination was 5.75%, after summer pollination was 12.86%, summer pollination was 6.22%. The results of haploid doubling indicated that, the average loose powder rate of dipping shoot was 10.66%, dipping root was 6.20%, dipping seed was 4.34%, spontaneous was 1.05%, the best way of haploid doubling was dipping shoot.