cattleya seedlings
Besides roots, look for root tips. This is where the root grows. If the tip is lost, the root stops growing. Sometimes a new tip might form. The tip will be a darker color, usually reddish in color. Tips are fragile and can break off easily so be careful when repotting. The plant without roots is dying of dehydration. You might want to soak it in a solution of rooting hormone. Solutions of vitamin B6 can also be used with badly underwatered plants. If the plant begins to take up water it can be potted in fine fir bark and perhaps placing a plastic bag over the top will keep the humidity high. Cattleyas form most of their roots just after a new leaf begins to grow. This is usually the best time to repot them.
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