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.
Yellow Leaves. There are many reasons that an olive tree may have yellow leaves and the course of action you take will depend upon the root cause. If there are just a few yellow leaves scattered throughout the canopy, it may be natural senescence.Since olive trees are not deciduous, they have continual leaf loss through the season.f the leaves are yellow with brown spots, your tree may be infected with Olive Peacock Spot. See below for Peacock Spot for treatment suggestions. If the leaves are turning brown and staying on the branches, your tree may be suffering from Verticillium wilt, which frequently results from overwatering or poor drainage.