The effects of the combined application of yeast metabolites and inorganic fertilizer on the flowering period and bulb rejuvenation of tulips

doi:10.14088/j.cnki.issn0439-8114.2025.01.017

Abstract

Abstract: The effects of yeast organic fertilizer and inorganic fertilizer （nitrogen, phosphorus, and potassium, NPK） combined application on the flowering period and bulb quality of tulips were investigated, to provide a scientific basis for extending the flowering period and promoting bulb rejuvenation in tulips. There were three treatment groups in the text： a control group（no fertilizer was applied）, a conventional inorganic fertilizer （NPK）, and the combined application of yeast organic fertilizer and inorganic fertilizer （Yeast fertilizer + NPK）. Commercial tulip varieties, namely La Reine and Golden Apollo, were selected as materials for the fertilization treatments. The results revealed that yeast fertilizer + NPK treatment significantly prolonged the flowering period of tulips. Specifically, for La Reine, the flowering period was extended by 5 days compared to the control group and 2 days compared to the NPK treatment group after the Yeast fertilizer + NPK treatment. Similarly, for Golden Apollo, the flowering period was extended by 6 days compared to the control group and 2 days compared to the NPK treatment group. Further analysis showed that the yeast fertilizer + NPK group had a higher proportion of larger diameter bulbs, significantly increased fresh weight of individual bulbs, and possessed higher levels of starch, soluble sugar, and soluble protein inside the bulbs compared to the control and NPK treatments. In conclusion, the combined application of yeast organic fertilizer and inorganic fertilizer not only prolonged the flowering period of tulips but also enhanced bulb enlargement and nutrient accumulation.

Key words: tulip（Tulipa gesneriana L.）, yeast metabolite, organic-inorganic co-application, flowering period, bulb enlargement

CLC Number:

LIANG Si-wei, ZHOU Can, XIANG Lin, LU Hao-wen, LIU Shi-dong, ZHANG Yan. The effects of the combined application of yeast metabolites and inorganic fertilizer on the flowering period and bulb rejuvenation of tulips[J]. HUBEI AGRICULTURAL SCIENCES, 2025, 64(1): 95-99.

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