Tissue culture (tc) plants are disease free when you receive them, meaning they have been checked and certified as free from any disease, before being shipped. Many confuse this with ‘disease-resistant’, which is not entirely correct. Hardened-off tissue culture plants are certainly more robust and have more vigour than conventionally acquired plants, owing to their highly regulated, ‘pampered’ beginnings. But freshly deflasked tc plants have very low resistance to disease, and have yet to develop the waxy cuticle on their leaves that helps to control transpiration (rate at which moisture is lost), pretty much like a new-born baby. They are therefore vulnerable to dehydration at humidity less than 70% especially in the first few weeks after deflasking.
When you receive your tissue culture plants you will see that they have proper roots however plants like bromeliads (some varieties) dont form roots in tissue culture. But when you plant them out, they form roots within weeks. As mentioned above there are some bromeliads e.g.from genus aechmea and neoregelia forms roots easily in the lab. So please do not get alarmed if your tissue culture bromeliads don’t have any roots.
The common questions ask to us is How to grow tissue culture plants? What care we should take? You will find infromation below useful.
This information is produced as a guide only for Australian/New Zealand conditions and application of any techniques described is at your own risk. For further details or an application to your particular circumstances, please contact your local advisor.