Exploring Commercial Grape Varieties: Seedless, Seeded, and Hybrids

When you bite into a juicy grape, you’re enjoying the result of centuries of cultivation and careful variety selection. Grapes are among the most versatile fruits grown worldwide, and in countries like India, they represent one of the most remunerative farming enterprises. But not all grapes are created equal. Commercial grape varieties are broadly classified into three categories: seedless, seeded, and hybrids. Each group brings something unique to the table-literally. Whether you’re a farmer looking to start a vineyard, a curious consumer, or an agriculture student, understanding these categories can help you appreciate what goes into every bunch of grapes you see at the market.

Why commercial grape classification matters 🔗

The global grape industry is massive, with production spanning continents and serving multiple purposes-from fresh consumption and raisin production to juice and wine manufacturing. India alone produces approximately one million tonnes of grapes annually, with varieties suited to different agro-climatic zones across the country. The classification into seedless, seeded, and hybrid varieties isn’t just botanical trivia; it determines how the grapes are grown, where they thrive best, what diseases they can resist, and ultimately, how they end up being used.

Farmers choose varieties based on climate, soil conditions, market demand, and intended use. A grape destined for your breakfast table has different requirements than one heading to a winery. Let’s explore each category and meet some of the star performers.

Seedless varieties: the consumer favourites 🔗

Seedless grapes dominate the fresh fruit market for one simple reason-convenience. Nobody wants to deal with seeds while snacking. But creating seedless grapes isn’t as straightforward as it sounds. These varieties produce fruit through a process called stenospermocarpic seed abortion, where fertilisation occurs but seed development stops prematurely. The result? Plump, sweet grapes without the crunch of seeds.

Thompson Seedless: the global champion 🔗

If there’s one grape variety that needs no introduction, it’s Thompson Seedless. Known internationally as Sultanina, this variety originated in Persia and was introduced to California in 1872 by viticulturist William Thompson. It quickly became the dominant raisin grape and remains so today.

Thompson Seedless holds an impressive record. It accounts for roughly 79% of the total grape-growing area in India and is equally dominant in California’s raisin production. The berries are medium-sized, oval-shaped, and light green to golden yellow when ripe. With a total soluble solids (TSS) content of 20-22%, they’re perfectly sweet for fresh eating. But their versatility doesn’t stop there-they’re excellent for raisins, grape juice, and even wine production.

The variety thrives in hot, dry climates and is typically cane-pruned due to its low basal bud fertility. However, it’s moderately susceptible to powdery mildew and requires careful vineyard management. Its mutants, including Tas-A-Ganesh, Sonaka, and Manik Chaman, are widely cultivated in Maharashtra and have slightly different characteristics suited to local conditions.

Beauty Seedless and other seedless stars 🔗

While Thompson Seedless commands the lion’s share of attention, other seedless varieties have carved out their niches. Beauty Seedless produces attractive coloured grapes with a balanced blend of sweetness and tartness. Perlette, popular in Punjab, Haryana, and Delhi, features small, spherical, yellowish-green berries with good keeping quality. Sharad Seedless, a mutant of Kishmish Chorni from Russia, produces black, crisp, and exceptionally sweet berries with TSS reaching up to 24°Brix.

These seedless varieties share common advantages: they’re consumer-friendly, have good shelf life, and command premium prices in fresh fruit markets. However, they often require more precise management and may be more susceptible to certain diseases compared to their seeded counterparts.

Seeded varieties: robustness meets tradition 🔗

Seeded grapes might not win popularity contests at supermarkets, but they play crucial roles in wine production, juice manufacturing, and regional cuisines. Their seeds aren’t just inconveniences-they contain compounds that contribute to the flavour complexity in wines and the health benefits associated with grape seed extracts.

Anab-e-Shahi: the king of grapes 🔗

Often called the “King of Grapes” in India, Anab-e-Shahi is a white, seeded variety grown across Andhra Pradesh, Punjab, Haryana, and Karnataka. Its berries are large, elongated, and turn amber when fully ripe-a visual treat in any fruit basket. The juice is clear and sweet, though with a moderate TSS of 14-16%.

What makes Anab-e-Shahi special is its vigorous growth and high yield potential. Yields as high as 90-100 tonnes per hectare have been recorded in the Hyderabad region, though such extreme productivity often compromises quality. The variety adapts well to different agro-climatic conditions and is particularly suited for the bower system of training due to its vigorous nature.

However, Anab-e-Shahi isn’t without challenges. It’s highly susceptible to downy mildew, requiring vigilant disease management. Its clone, Dilkhush, shares similar characteristics and is cultivated in various regions alongside the parent variety. Both are primarily used as table grapes, though they also contribute to the wine industry.

Bangalore Blue: a geographical treasure 🔗

Few grape varieties are as intimately connected to their region as Bangalore Blue is to Karnataka. This variety received a Geographical Indication (GI) tag from the Government of India in 2013, protecting its identity and the livelihoods of farmers in the region.

Bangalore Blue belongs to the fox grape species (Vitis labrusca) and is closely related to the American Concord variety. Its berries are small, dark purple, and ovoid with thick skin. The most distinctive feature is its “foxy flavour”-a musky, aromatic taste that’s unique to labrusca varieties. With TSS ranging from 16-18%, it strikes a pleasant balance between sweetness and tartness.

The variety has been grown for over 150 years in Bangalore Urban, Chikkaballapur, and Kolar districts, covering approximately 5,000 hectares mainly in the Nandi Valley. Unlike many European varieties, Bangalore Blue resists anthracnose disease and shows natural resistance to phylloxera pests-traits inherited from its American ancestry. It thrives in red sandy loam soil with day temperatures of 35-37°C and cooler nights of 12-15°C.

Bangalore Blue isn’t just for eating fresh. It’s extensively used for making jams, jellies, juice concentrates, and fortified wines. About 20,000 tonnes are crushed annually for juice production, making it a cornerstone of Karnataka’s grape processing industry.

Hybrid varieties: the best of both worlds 🔗

When breeders cross different grape varieties, they aim to combine desirable traits-disease resistance from one parent, flavour from another, yield potential from a third. The Indian Institute of Horticultural Research (IIHR) in Bengaluru has developed several remarkable hybrid varieties that have transformed grape cultivation in the country.

Arkavati: the raisin specialist 🔗

Arkavati emerged from a cross between Black Champa and Thompson Seedless, combining the colour characteristics of one with the seedlessness of the other. The result is a multipurpose variety with medium, yellowish-green, seedless berries that reach 22-25% TSS when ripe.

This vigorous vine produces loose bunches ideal for drying into raisins. The soft pulp and late maturity make it particularly suited for raisin production, though it’s also used in wine making. For farmers seeking alternatives to Thompson Seedless with potentially better disease tolerance, Arkavati offers an attractive option.

Arka Shyam: wine-maker’s delight 🔗

Released in 1980, Arka Shyam is a hybrid between Bangalore Blue and Black Champa. It inherited the beautiful bluish-black colour and mild foxy flavour from its Bangalore Blue parent while gaining improved size and quality characteristics from Black Champa.

The medium-sized clusters bear spherical to obovoid berries with remarkably high TSS of 20-25%-exceptional sweetness for a coloured variety. The variety shows tolerance to anthracnose disease, addressing one of the major challenges grape farmers face. Arka Shyam excels in wine production, suitable for both dry table wines and dessert wines, while also being good for fresh consumption and juice.

Other notable Arka varieties 🔗

The IIHR breeding programme has produced an impressive range of hybrids, each serving specific purposes. Arka Kanchan, a cross between Anab-e-Shahi and Queen of the Vineyards, produces golden yellow, seeded berries with a pleasant muscat flavour and 19-22% TSS-excellent for both table use and wine making, though it has poor keeping quality.

Arka Hans combines Bangalore Blue with Anab-e-Shahi, resulting in yellowish-green, seeded berries with pleasant flavour and 18-21% TSS, primarily used for wine making. Arka Neelamani, another Black Champa and Thompson Seedless cross, produces black seedless grapes with crispy pulp and yields of 28 tonnes per hectare, suitable for both table purposes and red dessert wine.

For those seeking export potential, Arka Shweta stands out. This Anab-e-Shahi and Thompson Seedless hybrid produces yellow, seedless berries with yields reaching 31 tonnes per hectare. Similarly, Arka Majestic, a cross between Angur Kalan and Black Champa, yields an impressive 38 tonnes per hectare with tolerance to anthracnose disease.

Choosing the right variety for your purpose 🔗

The diversity of commercial grape varieties means there’s a perfect match for almost every need. Fresh fruit markets favour seedless varieties like Thompson Seedless and Sharad Seedless for their convenience and sweetness. Wine makers might prefer seeded varieties like Bangalore Blue for juice and fortified wines, or hybrids like Arka Shyam for quality table wines.

For farmers, the decision involves weighing multiple factors: local climate and soil conditions, disease pressure, market access, and processing infrastructure. A variety that yields spectacularly in Maharashtra might struggle in Karnataka, and vice versa. The beauty of having so many varieties is that sustainable grape cultivation becomes possible across diverse geographies.

The future of grape varieties 🔗

Breeding programmes continue to develop new varieties that address emerging challenges-climate change, new pest pressures, evolving consumer preferences. The goal remains constant: grapes that taste great, grow reliably, resist diseases, and meet market demands. Whether they’re seedless snacking grapes or robust wine varieties, each category will continue evolving to serve humanity’s enduring love affair with this remarkable fruit.

What do you think? Have you noticed differences in taste between seedless and seeded grapes? If you were starting a vineyard, which category of varieties would you prioritise based on your local conditions and market opportunities?

References

1. https://www.fao.org/4/x6897e/x6897e06.htm
2. https://grapevarieties.info/grape-variety/thompson-seedless/
3. https://nhb.gov.in/pdf/fruits/grape/gra013.pdf
4. https://en.wikipedia.org/wiki/Bangalore_Blue
5. https://www.iihr.res.in/grapes-arkavati
6. https://www.iihr.res.in/grapes-arka-shyam