For the avid gardener, knowing how to propagate plants at home, through tissue culture, can save a lot of money. It makes no difference if you want to replicate many plants from a single favorite or if you prefer to collect specimens at a local park to bring home and regrow for some garden variety. The basic setup for plant propagation, through tissue culture, can be easily created in your own kitchen at home. With basic knowledge of plant tissue culture techniques, there's no need to purchase plants ever again.
Things You'll Need
Nitrile or latex gloves
Murashige and Skoog (MS) medium in single-use packets
Plant Preservative Mixture (PPM)
4-ounce jars (20)
Rubber bands (20)
Sterile razor blade or utility knife
Medium glass jar
Put on a pair of nitrile or latex gloves. Fill a spray bottle three-quarters full with rubbing alcohol and top it off with distilled water. Spray the counter on which you plan to work. Also spray your gloves and allow them to air-dry.
Soak a quart-sized jar in 10 percent bleach for 10 minutes then rinse it well in distilled water.
Prepare the plant medium in the sterile jar. Combine one packet of MS medium, 2 tablespoons of sugar, 1 mg BAP, 1 ml PPM and 1/2-quart of distilled water. Check the pH of the solution with pH papers. Adjust the pH to between 5.5 and 6.0, using baking soda to bring the pH up or vinegar to bring it down. Add distilled water until the container reaches the full level.
Add 3 tablespoons of the prepared medium to each 4-ounce jar, for a total of 20 jars. Add a pinch of agar to each jar.
Cover each of the jars in plastic wrap, seal them with rubber bands then poke ventilation holes in the plastic wrap with a sterile razor blade or utility knife.
Microwave the jars for one minute then swirl the contents of each jar gently to ensure the agar powder is fully dissolved and has mixed with the prepared medium. If the contents aren't homogeneous, microwave them again in 30-second bursts until the agar powder has dissolved.
Fill a medium glass jar with 10 percent bleach. After spraying your plant material with 70 percent rubbing alcohol and rinsing it in distilled water, soak the plant material in the jar of 10 percent bleach for 10 minutes.
Discard the bleach solution and, with the same jar, let the plant material soak in distilled water for five minutes. Change the water after one minute and again after three minutes to ensure the bleach is rinsed away.
Rinse a small plate with 70 percent rubbing alcohol and allow it to air-dry. Move the plant material from the water rinse to the sterile plate with sterile tweezers then cut the plant material into small pieces with the tweezers and the sterile razor blade or utility knife.
Place a piece of plant material in each of the small jars with the agar plant medium.
Leave the jars in a greenhouse or under a growth light for 16 hours each day. After four to five weeks, small shoots will sprout from the plant material. These small plants can be transferred to growth discs, vitamin-rich soil or a second growth medium in agar before being replanted in pots or in the garden.
Although PPM is a biocide and helps prevent contamination growth, the conditions in the agar plant medium are created for plants to grow easily. If you notice unwelcome growth or contamination, replant the shoots in fresh, uncontaminated containers of agar plant medium.