Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to troubleshoot citrus fruit failure [title] Expect some natural fruit thinning. [step] Citrus fruit that is less than 2.5 cm/1 inch in diameter is often in abundance and the tree cannot carry all these fruits to maturity. Some of these will fall naturally as part of a thinning out.

Ending1: [title] Know the percentage of fruit that can drop. [step] It can be next to 70% (for a 130 lb tree) or it can drop from about 5% or 50% (give or take 30. Ending2: [title] Identify the signs that the plant may not have reached maturity. [step] You may need to cut all of the fruit to a more manageable size if the plant can't hold all of them. Ending3: [title] Keep an eye out for things that won't grow into fruit. [step] If your fruit is unfortunately missing a node, there is a good chance the tree will also sometimes fold over, or, worse, bloom unexpectedly. Ending4: [title] Assess the level of water provided to the citrus tree. [substeps] Citrus trees that are not watered adequately have a tendency to drop their fruit prematurely.

Answer format: ending1/ending2/ending3/ending4