For a medical symptom description of 'Muscle jerks', the following symptom information may be relevant to the symptoms: Muscle spasms (symptom). However, note that other causes of the symptom 'Muscle jerks' may be possible. More information on symptom: Muscle spasms: Muscle spasms.
Feeling the Heat. Excessive sun exposure and cold temperatures can turn lemon tree leaves yellow. Scorched leaves, which look bleached or have yellow patches, often appear only in parts of the tree facing the afternoon sun, but a cold snap affects leaves all over the tree.ellow lemon tree leaves can be a sign of disease. A lemon tree growing on poorly drained soil can develop Phytophthora root rot, which causes pale green to yellowish leaves.
Add berries for Christmas, and you have one of the most generous plants in the garden. Hollies--usually easy to care for--sometimes require a little TLC. Usually bright and green, holly leaves sometimes turn yellow, often signaling a cultural problem. Chlorosis, one of the more serious holly ailments, is often the cause of yellow leaves. Chlorosis shows itself on hollies by all-over leaf-yellowing. Leaves start to lose their deep green color and glossiness. The severity of chlorosis determines how yellow the leaves will become. Pale green coloring of leaves can last months or even a few years. Severe cases can turn leaves completely yellow and kill a holly in one season.