spray sevin spray. It kills all bugs even if its not visible.
Cherry tree bears fruit every other year. Leaves are all drooping, turning yellow and falling off...I have no idea what to do with it! About 15yrs old, not a weeping cherry~
too much water
Carotene gives yellow color to the leaves.
Most likely it's the end of the peas' growing season in which they will turn yellow and die off.
I think it's a deficiency of nitrates, which help plants to produce chlorophyll, and which is the pigment that turns leaves green, and without it, leaves can become yellow.
no, not really. i am doing a report on weeping willows and found that, they produce small yellow flowers but no fruit...
green yellow purple white + blue
They have a magnesium deficiency. Magnesium is a mineral that is important in making chlorophyll (the green pigment that makes leaves green.) So a lack of it means that the leaves go yellow.
Magnesium deficiency create dead leaves and yellow leaves on a plant.
Because when the Chlorophyll molecules - that gives leaves their Green color - disintegrate they can't make the plant Green anymore - Yellow is the next color to appear and in turn vanish to make way for the Red colors.
Bhendi yellow vein mosaic is a disease that infects plants and causes yellow and green alternating patches on the leaves. Plants that have the disease need to be burned. The disease was first identified in 1924.
Trees with yellow leaves make energy.