TG 37A
Higher oil content than TAG 24 and collar-rot tolerance, at a few days more duration.
Quick facts
- Type
- Open-pollinated
- Season
- Kharif
- Maturity period
- 110–115 days
- Seed rate
- 120–125 kg of kernels per hectare. Check your own lot's 100-kernel mass before buying: the guide asks for about 175 kg/ha where the seed is bold
- Expected yield
- 22–28 q/ha (pods)
- Suitable soil
- Sandy / light soil
- Disease resistance
- Tolerant to collar rot
- Release
- Released 2004 · bred at BARC, Trombay, from the cross TG 25 × TG 26
Actual yield depends on sowing time, soil, irrigation, weather, seed quality and crop management.
About this variety
TG 37A is a Spanish-bunch, semi-dwarf groundnut variety bred at BARC, Trombay, from the cross TG 25 × TG 26, and released in 2004. It shares TAG 24’s plant type but adds compact pod setting, smoother pods, higher shelling turnout and fresh-seed dormancy, plus tolerance to collar rot — improvements that have carried it to recommended cultivation across states well beyond its home base of Gujarat.
Should you pick this variety?
Pick TG 37A if TAG 24 is what you know but you want its weak points fixed. BARC Trombay released it in 2004 from TG 25 × TG 26. It keeps the same semi-dwarf Spanish bunch plant while adding compact pod setting, smoother pods, higher shelling turnout, tolerance to collar rot and fresh-seed dormancy. The last one matters where a wet spell before harvest makes pods sprout in the ground. It gives 22–28 q/ha in 110–115 days, a few days more than TAG 24, with higher oil. Its adaptability is documented well beyond Gujarat: Haryana, Rajasthan, Punjab, Uttar Pradesh, Odisha, West Bengal, Assam and the North-East. Choose ICGV 91114 if drought is the bigger risk.
Sowing & cultivation
- Seed rate120–125 kg of kernels per hectare. Check your own lot's 100-kernel mass before buying: the guide asks for about 175 kg/ha where the seed is bold
- SpacingRows 30 cm apart, plants 10 cm apart; 15 x 15 cm in bud-necrosis country
- Sowing methodDibble at 4 cm depth with the fertiliser. Rhizobium culture at 600 g per hectare on the seed, or 2 kg mixed with 25 kg farmyard manure and soil before sowing if you skip the seed dressing
- FertilizerNPK by soil test, plus gypsum at 400 kg/ha applied alongside the rows between the 40th and 70th day, hoed in and earthed up. Half the gypsum can go in as a basal dose (TNAU)
Pest & disease considerations
Major diseases
Advantages & considerations
Why farmers may choose it
- Compact pod setting, smoother pods and higher shelling turnout than TAG 24, plus tolerance to collar rot
- Documented wide adaptability across Haryana, Rajasthan, Punjab, Uttar Pradesh, Gujarat, Odisha, West Bengal, Assam and the North-East, not just its home state of Gujarat
- Fresh-seed dormancy, useful where pods might otherwise sprout in the field before harvest in a wet spell
Suitable regions
States this variety is recommended for — check locally, since a state can have more than one recommended zone.
- Gujarat
- Rajasthan
- Tamil Nadu
Why seed dormancy matters when rain comes at harvest
TG 37A improves on TAG 24 in several ways, and one of them is seed dormancy. A groundnut without dormancy can sprout inside the pod when a mature crop sits in wet soil or gets rain before digging, and a sprouted kernel is useless for both sale and seed.
That protection is worth most where the monsoon tail is unreliable. It is not unlimited: a crop left for weeks in a wet field will still spoil, so dig as soon as the crop is mature and the field is workable, and dry the pods properly before heaping. Dormancy also means seed you keep will not germinate immediately, which is an advantage in store but something to allow for before sowing — test germination on a hundred kernels rather than assuming the lot is ready. The variety also tolerates collar rot and shells out better than TAG 24, with a few days more duration.
Can you keep your own planting material?
This is an open-pollinated variety, so seed from a healthy crop of your own can be sown again. Keep seed only from disease-free plants, dry it properly, store it cool and dry, and bring in fresh certified seed every three to four years so the variety does not drift.
How it compares with other varieties
Every Groundnut (Peanut) variety with a page on this site, side by side. The row for this page is highlighted.
| Variety | Best for | Maturity | Yield | States |
|---|---|---|---|---|
| GG-20 | Saurashtra's steady rainfed groundnut with bold, oil-rich kernels | 110–120 days | 20–25 q/ha (pods) | Gujarat |
| Girnar-4 (high oleic) | High-oleic kernels for a confectionery or export buyer | 115–120 days | 23–35 q/ha (pods) | Gujarat, Rajasthan, Andhra Pradesh, Karnataka, Tamil Nadu |
| Girnar-5 (high oleic) | The second high-oleic option, when Girnar-4 seed is short | 115–120 days | 23–35 q/ha (pods) | Gujarat, Rajasthan, Andhra Pradesh, Karnataka, Tamil Nadu |
| ICGV 91114 | Low, erratic rainfall land where a dry spell hits mid-season | 100–105 days | 22–26 q/ha (pods) | Gujarat, Andhra Pradesh |
| Kadiri Lepakshi (K-1812) | The highest pod yield here, for the southern peninsula | 110–115 days | 35–40 q/ha (pods) | Andhra Pradesh, Telangana, Karnataka, Maharashtra |
| TAG 24 | Confectionery-grade kernels from a short, compact plant | 105–110 days | 20–25 q/ha (pods) | Gujarat, Maharashtra, Andhra Pradesh |
| TG 37Athis page | A better-shelling TAG 24 with collar-rot tolerance and seed dormancy | 110–115 days | 22–28 q/ha (pods) | Gujarat, Rajasthan, Tamil Nadu |
Tools for this crop
The numbers you need next: how much seed to buy, whether the lot germinates, what the fertilizer bill looks like and what Groundnut (Peanut) is selling for.
- Seed Rate CalculatorHow much seed your Groundnut (Peanut) plot needs, corrected for the germination of the lot you bought.
- Germination CalculatorTest 100 seeds from the bag before sowing and see whether the lot is fit to sow.
- Seed Variety FinderFilter every Groundnut (Peanut) variety on this site by state, season, duration and soil.
- Fertilizer CalculatorTurn the NPK recommendation for Groundnut (Peanut) into bags of urea, DAP and MOP for your field size.
- Crop CalendarMonth-by-month sowing, weeding, irrigation and harvest dates for Groundnut (Peanut) in your state.
- Crop Profit CalculatorPut your seed, labour and input costs against the yield you expect from this variety.
- Mandi Price CheckerToday's Groundnut (Peanut) rate in your nearest mandi, before you fix a price with a trader.
Subsidy and government support
Schemes that help with the cost of Groundnut (Peanut) seed or planting material. Rules and the application route are on each scheme page.
Frequently asked questions
How is TG 37A different from TAG 24?
Same basic BARC Trombay plant type, but TG 37A adds smoother pods, higher shelling turnout, compact pod setting and collar-rot tolerance — improvements bred in through the later TG 25 × TG 26 cross, released in 2004 versus TAG 24’s 1992.
Where is TG 37A mainly recommended?
It has documented wide adaptability well beyond Gujarat — including Haryana, Rajasthan, Punjab, Uttar Pradesh, Odisha, West Bengal, Assam and the North-East — which is unusually broad for a groundnut variety.
What is fresh-seed dormancy and why does it help me?
It means the kernel will not germinate straight away even in damp soil. If rain comes while the crop is mature and waiting to be lifted, pods sprouting underground ruin both the sale and the seed, and dormancy buys you that time.
Why does higher shelling turnout matter?
You sell pods, but the buyer pays for what comes out of them. A higher shelling percentage means more kernel weight per quintal of pods, so the same field earns more, and smoother pods mean less breakage and cleaner grading.
TAG 24 or TG 37A?
TG 37A is the later, improved release: 22–28 q/ha, collar-rot tolerance, better shelling and seed dormancy, at a few days more duration. TAG 24 finishes slightly earlier at 20–25 q/ha and has a longer confectionery track record. Where your rabi date is tight, TAG 24; otherwise TG 37A is the stronger crop.
How long does TG 37A take, and what does it yield?
110–115 days for 22–28 q/ha of pods, a little more than TAG 24's 20–25 q/ha over 105–110 days. The extra pod yield, the better shelling turnout and the collar-rot tolerance are what you are paying for with those few extra days.
What does collar-rot tolerance save me?
Collar rot kills young plants soon after germination, and a field that loses plants then never fills the gaps. Tolerance means fewer of those early deaths, so the stand you counted on at sowing is close to the stand you harvest. It is not a substitute for clean, treated seed.
Sourced from: Evolution of Trombay Groundnut (TG) Varieties — Agrocrops, Crop Production Guide (Agriculture), TNAU and Department of Agriculture, Tamil Nadu: groundnut seed rate, spacing, sowing depth, rhizobium treatment and gypsum. editorial policy.