Effects of Three Plant Growth Regulators on Seedling Traits of Sweet Potato
Sweet potato is an important food crop and cash crop in China,and it has played an important role in ensuring China's food security.Plant growth regulators not only increase crop yield,but also enhance stress resistance and improve quality,playing an important role in crop production.At present,there are relatively few researches on the application of plant growth regulators in sweet potato.To explore the effects of different plant growth regulators on the agronomic traits of sweet potato seedlings,three plant growth regulators,6-benzylaminopurine,gibberellin and naphthalene acetic acid,were selected in this study,and their effects on sweet potato seedlings were studied by the method of bottom application.The results showed that the three plant growth regulators significantly promoted the rooting of sweet potato,and significantly promoted the root length and fresh weight of sweet potato.The research results would provide theoretical basis and technical support for further optimization of sweet potato cultivation management,help to improve sweet potato yield and quality,and promote the sustainable development of sweet potato industry.
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