Certain sub-stances in grapefruit juice block the action of CYP3A4, so instead of being metabolized, more of the drug enters the bloodstream and stays in the body longer. The result: potentially dangerous levels of the drug in your body. The amount of the CYP3A4 enzyme in the intestine varies from one per-son to another, says Huang. Some people have a lot, and others have just a littleâso grapefruit juice may affect people differently when they take the same drug.
3. Splitting Fruit. Like the foliage thatâs dying back, splitting tomato fruit is a sign of uneven watering. As the fruit is ripening if the plant receives too much water the skin will split because the fruitâs skin can no longer expand.
What causes tomato plant leaves to turn yellow? Yellow leaves that have purple, distorted veins are a sign that psyllids have infested the tomato plant. Treatment involves looking on the bottom of leaves for insects, removing them and applying a pesticide to the growing area. Tomato plants that stop growing and turn yellow all over may have the curly top virus. The beet leafhopper transmits this disease by jumping from plant to plant.