Why are the leaves on my tomato plants turning yellow?

Why are the leaves on my tomato plants turning yellow?

Both pests feed on plant juices and can cause leaves to yellow, wilt, and fall off the plant. For a mild problem, use a strong jet of water to dislodge the pests. If the infestation is severe, spray the plant with insecticidal soap, diluted at a rate of 5 tablespoons per gallon of water.

Why are my Desert Rose leaves turning yellow&brown?

If a Desert Rose is grown in overly wet conditions, it might develop fungal stem rot, which usually starts at a stem tip and could also affect leaves on that stem, causing them to turn yellow, then brown. Eventually, the stem darkens or turns yellow and becomes soft, with the problem moving down the stem toward the soil.

How to grow Adenium obesum in greenhouse?

Keep proper temperature, reasonable amount of fertilizer, not too much, it is better to put Adenium obesum into greenhouse for cultivation. Adenium obesum is fond of warm and ventilated growing environment. Poor ventilation will lead to yellow rotten roots and leaves.

Why is my Adenium obesum dying?

The Adenium obesum enters the dormancy period at this time. It will dry up its leaves. This is to reduce the evaporation of its own water and protect itself. At this time, the fertilization should not be too much or too thick, or the leaves will turn yellow or even die.