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.
The early stages of Lyme disease usually include the bullâs-eye rash (erythema migrans) and flu-like symptoms of chills and fever, fatigue, muscle pain, and headache. In rare cases, patients develop an abnormal heartbeat (Lyme carditis). All of these conditions are treated with 10 - 28 days with antibiotics. Other symptoms may accompany the rash, such as joint pain, fever, chills, or fatigue. 2  If Lyme disease is not treated, more severe symptoms and complications can occur. 3  These include arthritis, neurologic symptoms, or heart problems.