What are you seeing?Here Yolia identifies what plant it is, what stage it is in, and how many plants are part of the case.
Why it mattersThe same visible signal can mean something completely different depending on the species or stage of the plant.
How to think about itStart with the big ideas: first confirm species and stage, and only then go into the fine detail of each piece of information.
Very simple exampleA seedling and a mature plant may look equally "yellow", but that same signal is not interpreted the same in both cases.
What are you seeing?Botanical identity and phenology (life stage) determine which mechanisms, risks and comparators apply to the case.
Why it mattersConnecting these signals avoids drawing a conclusion from a single isolated piece of data, without the context of what plant and what stage they are.
How to think about itBefore interpreting any symptoms, first confirm: species/crop, phenological stage and number of plants.
Very simple exampleThe same leaf yellowing in a newly germinated seedling can be normal, and in a mature plant it can be a real warning.
What are you seeing?Advanced reading adds the physiological mechanisms at play and separates the observed data (what is seen) from the inference (what is concluded).
Why it mattersA scientific decision must be mechanistically plausible, traceable and proportional to the actual quality of the evidence.
How to think about itDistinguish variable, mechanism, interaction, uncertainty, limitation, and what additional evidence would change the conclusion.
Very simple exampleThe same variable (e.g., leaf color) may have different causal mechanisms depending on the exact phenological stage at which it is observed.