The correct answer is: All of the above.
Mango, citrus, and guava are all major horticultural crops in Haryana. Mango is the most important fruit crop in Haryana, followed by citrus and guava. In 2019-20, the total area under mango cultivation in Haryana was 1.25 lakh hectares, with a production of 1.75 million tonnes. The main varieties of mango grown in Haryana are Alphonso, Totapuri, Langra, Dashehari, and Chausa. Citrus is the second most important fruit crop in Haryana, after mango. In 2019-20, the total area under citrus cultivation in Haryana was 0.75 lakh hectares, with a production of 0.85 million tonnes. The main varieties of citrus grown in Haryana are mosambi, sweet lime, and lemon. Guava is the third most important fruit crop in Haryana, after mango and citrus. In 2019-20, the total area under guava cultivation in Haryana was 0.5 lakh hectares, with a production of 0.6 million tonnes. The main varieties of guava grown in Haryana are Allahabad Safeda, Chausa, and Lucknow Safeda.
The cultivation of these fruits is important for the economy of Haryana. The fruits are exported to other parts of India and to other countries. The cultivation of these fruits also provides employment to a large number of people in Haryana.