Method for improving field cultivation/potting quality of curcuma hybrida 'Red Torch'

Abstract

A method for improving field cultivation / potting quality of curcuma hybrida 'Red Torch' is characterized by comprising the following steps: (1) selection of seed balls: selecting the seed balls after winter falling in the current year, namely selecting the seed balls which are cultivated for two years and are in different shapes; (2) field planting: adding a culture medium which is sandy soil rich in organic matter, to garden soil / flowerpots, digging pits and planting the selected seed balls in the step (1) in the culture medium, applying compound fertilizer, and performing watering; (3) growing period: arranging a breathable shading net to prevent the curcuma hybrida 'Red Torch' from being directly irradiated by sunlight, conducting watering for 2-3 times every week in the growing period, and keeping the environment humidity until the flowering period; and (4) flowering period: before the curcuma hybrida 'Red Torch' entering the flowering period is transplanted into pots, carrying out watering for 2-3 times per week. Proper seed balls are selected from the aspects of seed ball shapes, culture media, screening of compound fertilizer, seed ball planting duration and the like, and living conditions and cultivation modes suitable for the curcuma hybrida 'Red Torch' are created, so that the field cultivated / potted curcuma hybrida 'Red Torch' does not have the variety degeneration phenomena of withered and yellow leaf edges in the flowering period, poor plant growth vigor and poor flowering branch quality any more, and the ornamental value of the curcuma hybrida 'Red Torch' is ensured and improved.

Description

technical field

[0001] The invention belongs to the technical field of plant cultivation methods, and in particular relates to a method for improving the quality of field cultivation / potted cultivation of red torch turmeric. Background technique

[0002] Curcuma hybrida 'Red Torch' is a new flower variety registered by the Dutch Moerheim Group in 2005. It is a perennial tropical bulbous flower with high ornamental value that has been introduced into China in recent years, mainly in southern China. Introduction and promotion. Under the condition of open field cultivation, the plant height of the red torch turmeric is about 36-50 cm, the main underground rhizome is spindle-shaped to spherical, the leaves are green and oblong, the scapes are drawn out from the leaves, lower than the leaves, erect and firm, bracts Many, arranged in rosette shape, broad ovate, bracts at the top are purple-red, bracts at the bottom are dark red, so it is named red torch because of its shape resem...

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