NSIC Rc 438 (Tubigan 38) Rice Variety: Yield, Maturity and Characteristics
NSIC Rc 438 is an inbred rice variety for irrigated lowland, known locally as Tubigan 38. The NSIC approved it in 2016. It matures in about 106 days and averages 5.4 tonnes per hectare, with a top yield of 10.3 tonnes in trials.
The average and top yields in tonnes per hectare come from the trials each variety went through to be registered with the NSIC, and from what the seed companies say about their own seed.
What farmers harvest today can be different. Newer harvest records, the season, the place, the soil, the water and the care all move these numbers over time.
So use them to compare varieties, not as a promise for your field. Ask your seller or your agriculturist how the variety did on farms near you in the last few seasons.
If you came here looking for rice variety 438, or Rc 438, this is the one. Compare it with the other varieties in our rice variety finder before you buy seed. Also read our guide to rice varieties in the Philippines for how inbreds, hybrids and special rice differ.
- Maturity: about 106 days after sowing when transplanted, 102 when direct seeded.
- Yield: 5.4 tonnes per hectare on average, or about 108 cavans of 50 kilograms. The best trial reached 10.3 tonnes.
- Season: Dry season and wet season.
- Holds up against: stem borer.
- Watch out for: bacterial leaf blight, tungro, sheath blight.
Key facts about NSIC Rc 438
| Trait | Value |
|---|---|
| Year approved | 2016 |
| Local name | Tubigan 38 |
| Type | Inbred |
| Growing environment | Irrigated lowland |
| Also suited to | National (dwsr) |
| Recommended season | Dry season and wet season |
| How to plant it | Transplanted, wet direct seeded |
| Recommended for | Luzon, Visayas |
| Maturity, transplanted | 106 days after sowing |
| Maturity, direct seeded | 102 days after sowing |
| Average yield, transplanted | 5.4 t/ha |
| Average yield, direct seeded | 5.4 t/ha |
| Top yield in trials | 10.3 t/ha |
| Plant height | 95 cm |
How much does NSIC Rc 438 yield?
On average it gives 5.4 tonnes per hectare. That is about 108 cavans of 50 kilograms of palay. It sits above the average of the 118 irrigated lowland inbreds on the list, which is 5.2 tonnes. But the top yield, 10.3 tonnes, came from a trial with good water, seed and care. So plan your costs on the average, then work toward the top with the habits in our guide to raising rice yield per hectare.
How many days does it take to mature?
It takes about 106 days from sowing to harvest, and about 102 days if you seed it directly. Varieties of 100 to 120 days count as short duration and 120 to 140 days as medium, so this one counts as short duration. Then harvest when 85 to 90 percent of the grains turn golden yellow. Because the day count drives every task, anee.io counts it for you from each lot's own planting day, with the growth stages and weather beside it.
Is it resistant to pests and diseases?
| Pest or disease | Rating | What it means |
|---|---|---|
| Rice blast | Intermediate | Took a middling share of damage |
| Bacterial leaf blight | Susceptible | Took heavy damage |
| Tungro | Susceptible | Took heavy damage |
| Brown planthopper | Intermediate | Took a middling share of damage |
| Green leafhopper | Intermediate | Took a middling share of damage |
| Stem borer | Resistant | Held up well in the tests |
| Sheath blight | Susceptible | Took heavy damage |
So scout early for bacterial leaf blight, tungro, sheath blight. When you see the first signs, check the guide before you spray, because the right timing saves more than an extra dose. If you are not sure what you see, our pest and disease finders help you name it from the damage.
Grain and eating quality
| Measure | Value | Class |
|---|---|---|
| Amylose | 19.3 percent | Intermediate |
| Milling recovery | 72.6 percent | Premium |
| Head rice | 40.7 percent | Grade 2 |
| Chalky grains | 13.9 percent | Grade 3 |
| Grain length | 6.5 mm | Medium |
| Grain shape, length to width | 2.9 | Intermediate |
| Protein | 9.3 percent |
Amylose decides how rice cooks. With intermediate amylose, expect rice that is soft but not sticky. In fact, Filipino taste has moved from high to intermediate and low amylose rice, because people want it softer. Head rice is the share of whole grains after milling. So a higher number means fewer broken grains and a better price at the mill.
Where should you plant it?
It suits irrigated lowland, where you control the water. Level the field well so the water stands evenly, and plant together with the farms around you, so pests cannot move from field to field. Our guide to rice land preparation shows each step. It is recommended for the dry season and the wet season. You can plant it transplanted or wet direct seeded. For the right month in your province, see the best time to plant rice.
Set the planting day of each lot and anee.io dates every task to harvest, with the weather beside it. Free on the Libre plan.
Start freeVarieties like this one
These come from the same kind of farm and grow about as long. So if seed of this one is hard to find, compare these first.
- NSIC Rc 632: 106 days, 5.4 tonnes per hectare on average, 2021
- NSIC Rc 628: 106 days, 5.5 tonnes per hectare on average, 2021
- NSIC Rc 134: 107 days, 5.4 tonnes per hectare on average, 2005
- NSIC Rc 630: 106 days, 5.6 tonnes per hectare on average, 2021
What is the local name of NSIC Rc 438?
How many days does NSIC Rc 438 take to harvest?
What is the average yield of NSIC Rc 438?
In which season should I plant it?
Is this variety a hybrid?
What should I watch for when I plant it?
See how NSIC Rc 438 will do on your farm
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