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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.

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13y ago
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5mo ago

Broccoli leaves can turn yellow due to nutrient deficiencies, such as lack of nitrogen or iron in the soil. Overwatering or underwatering can also cause yellowing of broccoli leaves. Pests or diseases, like aphids or fungal infections, can also lead to yellow leaves.

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Q: What causes broccoli leaves to turn yellow?
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Continue Learning about Natural Sciences

What percentage of leaves turn yellow?

On average, around 20-30% of the leaves on a deciduous tree will turn yellow during the fall before eventually falling off. This color change is due to the breakdown of chlorophyll and the exposure of other pigments in the leaves.


Why do plants leaves become yellow?

Plant leaves turn yellow due to various reasons, including nutrient deficiencies (such as nitrogen or iron), overwatering, underwatering, pests, diseases, or environmental stress (excessive sunlight, low humidity). It is important to identify the specific cause in order to provide the appropriate treatment to help the plant recover.


What will happen to yellow leaves of a plant once the plant is put back in the sun?

The yellow leaves will turn in to green gradually when the plant is put back in the sun.


What causes allamanda leaves to yellow?

Allamanda leaves typically turn yellow due to overwatering, nutrient deficiencies (such as iron or magnesium), or poor drainage. Make sure to provide proper care by watering the plant only when the topsoil is dry, supplying balanced fertilizer regularly, and ensuring good drainage.


Why leaves become yellow in absence of sunlight?

Leaves turn yellow in the absence of sunlight because they are not able to carry out the process of photosynthesis effectively. Without sunlight, the chlorophyll pigments in the leaves break down, causing the green color to fade and the yellow pigments become more visible. This ultimately leads to the leaves appearing yellow.

Related questions

What causes pea leaves to turn yellow?

Most likely it's the end of the peas' growing season in which they will turn yellow and die off.


How many leaves turn yellow?

Most of them


What happeneds to leaves when the sun does not shine on it?

If leaves get no light, they will turn from Yellow to white and die.


What causes fingernails to turn yellow?

dirt


What percentage of leaves turn yellow?

On average, around 20-30% of the leaves on a deciduous tree will turn yellow during the fall before eventually falling off. This color change is due to the breakdown of chlorophyll and the exposure of other pigments in the leaves.


Why do plants leaves become yellow?

Plant leaves turn yellow due to various reasons, including nutrient deficiencies (such as nitrogen or iron), overwatering, underwatering, pests, diseases, or environmental stress (excessive sunlight, low humidity). It is important to identify the specific cause in order to provide the appropriate treatment to help the plant recover.


Why are the leaves yellow on your honey locust tree?

Honey locust leaves are normally green. However, they turn yellow for several reasons. One is that they are simply new leaves that have not yet gotten their green coloring. Two is that they turn yellow in fall, and are about to drop off the tree.


When you eat broccoli what part of the plant are you eating?

When your're eating Broccoli, your acually eating the flower buds of the plant. if you ever grow it and wait too long, the the part of broccoli you eat will turn into lots of yellow flowers.


What causes legs to turn yellow?

yello paint


What part of the plant are you eating when you eat broccoli?

When your're eating Broccoli, your acually eating the flower buds of the plant. if you ever grow it and wait too long, the the part of broccoli you eat will turn into lots of yellow flowers.


Why does my pomegranate tree have yellow leaves and white splotches on the trunk and branches?

Pomegranate trees turn yellow in autumn winter before shedding their leaves.


Chlorosis is the phenomenon where leaves have what?

Chlorosis is the phenomenon where leaves have a deficiency in nitrogen. The leaves will turn yellow because they have less chlorophyll production.