RS 5101 Maize: The Double-Cob Game Changer for Kenyan Farmers

What Makes RS 5101 Special?

RS 5101 is a drought-tolerant maize variety that does something most other varieties can't: it produces two fully-developed cobs per plant instead of one. This means you get more grain from the same land, same inputs, and same season.

Quick Facts:

• Yields: 21-42 bags per acre

• Green maize ready: 90 days

• Grain maize ready: 142 days

• Best for: Low to mid-altitude zones (1,000-1,600 m)

When and Where to Plant

RS 5101 works well in Kenya's two rainy seasons:

Long Rains (March-May):

• Plant: First two weeks of March

• Harvest green maize: Early June

• Harvest grain: Mid-August

Short Rains (October-November):

• Plant: First week of October

• Harvest green maize: Early January

• Harvest grain: Late February-March

It's drought-tolerant, making it ideal for areas with unpredictable rainfall.

Getting the Basics Right

Land Preparation

• Plough 25-30 cm deep to allow strong roots

• Add 5-10 tonnes of compost per hectare

• Use tied ridges in dry areas to save water

Planting Spacing

• Standard spacing: 75 cm × 30 cm with 2 seeds per hole

• Don't reduce spacing — RS 5101 needs good plant population for both cobs to develop well

Fertilizer (Per Acre)

• DAP at planting: 50 kg (for phosphorus and nitrogen)

• CAN at top-dressing (knee-height): 50 kg

• MOP at top-dressing: 50 kg (This is crucial for the second cob to develop properly)

Pests and Diseases

RS 5101 is resistant to Grey Leaf Spot and Maize Streak Virus, but watch for:

Fall Armyworm: The biggest threat since 2016

• Scout every 2 weeks from planting

• Spray when 20% of plants show damage

• Direct spray into the plant whorl, not over the top

Other pests: Stalk borers and cutworms can also cause damage, especially in early growth stages

Two Harvests, Two Incomes

Green Maize (90 Days)

Both cobs are ready for the fresh market at 90 days. Signs of readiness:

• Brown, dried silk

• Green husks beginning to dry

• Full, milky kernels

Sell quickly for best prices — green maize markets pay more at the start of the season.

Grain Maize (142 Days)

At 142 days, both cobs have hard, dry kernels ready for storage.

• Sun-dry on raised platforms

• Shell only when completely dry

• Store in hermetic bags to protect from weevils

Smart Strategy: Harvest the lower cob at 90 days for fresh market, then let the upper cob mature for grain — two sales from one crop!

Common Questions

Q: Why is my second cob small?
A: Almost certainly potassium deficiency. Add 50 kg MOP per acre at top-dressing.

Q: Can I save seed from RS 5101?
A: Yes, it's an open-pollinated variety. But certified seed from Royal Seed will perform better over time.

Q: Is it really suited to dry areas?
A: Yes, but combine it with water-saving practices like Zai pits and mulching in ASAL zones.

Final Thoughts

RS 5101 isn't just another maize variety — it's designed to give Kenyan farmers more grain per acre and more income opportunities with two harvests from one planting. But success depends on three things: correct spacing, proper fertilization (especially potassium), and early pest control.

Plant it right, feed it right, and protect it from pests — and you'll see why farmers across Kenya are switching to RS 5101.

Get certified RS 5101 seed from Royal Seed Kenya. Your harvest depends on it.