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What are the symptoms of hormone-treated seedlings

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The reason for choosing the old cultivar Hexian (Cymbidium) in all four seasons is that its flowering is stable, and its flowers are well-spaced and held above the leaves, with a very graceful leaf posture, leathery and glossy leaf surface, and an excellent overall appearance. The old cultivar Hexian has relatively smooth, arching leaves, a rather glutinous texture, oily green leaves with slight finger marks, and a beautiful, elegant leaf posture; the flowers are emerald green and quietly elegant; at the base of the two lateral petals there is a symmetrical small red speckled blush, and the three outer petals are relatively slender and long...
Hormone-treated seedlings do not necessarily mean many shoots, nor do they mean the plant will be especially tall, nor do they mean they will be especially cheap~

During cultivation, I have found several relatively obvious signs~

1. Leaves suddenly turn yellow and wither/  or three months to half a year after planting, the leaf base turns black/  or the leaves suddenly dehydrate/ .......

2. Roots very easily necrose, first the root tip turns black, then the roots rot~

3. When new shoots emerge again, the buds very easily stall  and only by the third round of shoots do they begin to return to normal~

Almost all plants will produce lateral buds after being treated with cytokinin, or even burst with buds; if nutrition keeps up, these lateral buds can all grow healthily. But because the burst of buds cannot keep up with nutrition, after buying them back the buds cannot grow large, and the seedlings produced are very many and very dense.

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