Carrot grass problems and solutions given

Carrot grass is a big problem in farming and this post will guide you about the ways to get rid of this problem. Some interesting solutions to the problem are given in this blog post in order to help you out with your gardening journey.

About carrot grass

Carrot grass is known as Gajar ghas and its botanical name is “Parthenium hysterophorus”. Parthenium hysterophorus common names in India are carrot grass, congress grass or gajar ghas. Gajar ghas is considered top 7 most dangerous weeds in the world. This grass is toxic, allergic and long exposure can cause bleeding issues. 

Carrot grass is also known as chatak chandani and this grass has a tendency of spreading rapidly. Carrot grass is an annual plant and it is a herbaceous plant which grows rapidly in all types of environments and becomes a serious problem for crops as well as animals and humans. This destructive weed should be controlled in time unless it may increase the density of destruction. In western Uttar Pradesh, “Chidiya Bari” is another name for this grass. 

Carrot grass can be used in the manufacture of various types of insecticides, pesticides and bactericidal and weed-killer medicines. Various types of papers can be prepared from the pulp of carrot grass and it can also be mixed with cow dung in biogas production. 

There are 20 types of carrot grass found in the world. This weed is widely spread in America, Mexico, West Indies, India, Vietnam and Australia. Carrot weed came to India 3 decades ago along with wheat from Canada or America.

Gajar ghas plants description

Stem – The carrot grass stem is highly branched and it is up to 1.5 meters tall. 

Leaves – Its leaf is unusually like carrot leaves.

Fruit – Gajar ghas contains white colour fruit. 

Seeds – Each gajar plant produces 1000 to 50,000 microscopic seeds which germinate in very short period after falling to the ground, receiving moisture in light and darkness.  

Growing season – This type of plant completes its life cycle in 3 to 4 months and grows and flowers throughout the year. It is environment-friendly grass and grows rapidly in all types of environments and seasons. 

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Carrot grass seed 

The seed of carrot grass is very light weighted and fine. With the help of 2 sponge cushions, the seeds easily reach from one place to another place by wind and air. 

Carrot grass problems and solutions given

Carrot grass or gajar ghas problems and solutions are explained below

Carrot grass problems

The grass is also a serious problem for animals and humans. Due to the grass problem, the yield of food grain has been reduced by about 4%. Due to the presence of toxic substances in this plant, the germination and growth of crops are adversely affected. Carrot weed affects the development of root glands and also reduces the activity of nitrogen-fixing bacteria in leguminous crops.

Carrot grass pollen grain collects on the plants and vegetables like eggplant, pepper, tomato, etc and affects their pollination germination and fruit formation.

This usually causes chlorophyll deficiency in leaves and abnormality in flower tops. Due to continued exposure to carrot weed, humans may suffer from diseases like dermatitis, eczema, allergies, fever, asthma etc. This weed is also harmful to animals, causing bitterness in the milk animals. Animals may also suffer from various diseases. Moreover, overconsumption of carrot weed may result in animal death. 

Carrot grass outbreak has been seen in food grains crops like paddy, jwar, soybean, maize, pea, sesame, castor, sugarcane, millet, groundnut vegetables and garden crops. Enjoying


Legal mechanical, biological and chemical methods are used for the prevention of carrot grass. To control it in non-agricultural areas the herbicide chemical atrazine is used at 1.5° kg per hectare before flowering. Glyphosate 2 kg per hectare and metribuzin 2 kg per hectare should be applied before the grass flowering. Atrazine 1 to 1.5° kg from crops of maize, jawar, bajra these ingredients should be applied per hectare immediately after sowing (before germination). 


What is carrot grass?

It is one of the most dangerous weeds in agriculture which adversely affect crops, animals and humans as well.

What are the other names of carrot grass?

chatak chandani, chidiya bari, congress grass and it is known as gajar ghas in the Hindi language.

What is the carrot grass scientific name?

Parthenium hysterophorus is the scientific name of this grass.

Is carrot grass safe to use as animal fodder?

Overconsumption of this grass may result in animal collapse. It also affects animal milk, causing bitterness in the milk. 

Does carrot grass harm human beings?

Yes, continuous exposure to carrot grass may affect humans as well and humans may suffer from diseases such as eczema, allergies, fever, dermatitis, asthma etc. 

What are the solutions to carrot grass?

Glyphosate 2kg and metribuzin 2 kg. These elements should be applied per hectare before carrot grass flowering.
Atrazine 1 to 1.5° kg per hectare after sowing crops of maize, jowar, bajra.

Where is carrot grass weed spread in India?

Carrot weed is spread in various regions of these states: Jammu Kashmir, Uttar Pradesh, Himachal Pradesh, Delhi, Haryana, Rajasthan, Bihar, Madhya Pradesh, Andhra Pradesh, Tamil Nadu, Karnataka, Arunachal Pradesh, and Nagaland. 

Hope you have found your search here. If you are facing any doubt please feel free to ask in the comment box you will definitely get a reply sooner or later. Share this blog post to help others.

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