Meristem culture may be used to propagate infertile plants, nursery stock, or F1 hybrids that do not breed true. As few virus diseases affect the plant apex, the technique can be used to produce virus-free stock.shoot-tip culture) The culture of excised meristems on suitable nutrient media under aseptic conditions. The stem apex is usually used though axillary meristems may also be taken. Often gibberellic acid must be added to the medium to promote normal growth into a plantlet.
The typical constellation of symptoms associated with disseminated Lyme disease may include severe fatigue with a need for naps during the day, low grade fevers, muscle and joint pains, sleep disturbance, irritability, headaches, light or sound sensitivity, sharp stabbing or shooting pains, and/or numbness and tingling.
Quick Answer. Early symptoms of Lyme disease may include a rash around the site of the tick bite and flu-like symptoms, according to Mayo Clinic. As the disease progresses, symptoms may include severe joint pain and swelling and neurological problems, including, but not limited to, paralysis and impaired muscle movement. Continue Reading.