Agronomic Traits and BLB Resistance
Bacterial Leaf Blight (caused by Xanthomonas oryzae) is a devastating vascular disease that desiccates rice foliage and severely diminishes grain filling.
Arize 6444 Gold incorporates verified BLB-tolerant genetic traits that protect crop canopy greenness throughout the critical reproductive and grain maturation phases.
- BLB Tolerance: Incorporates genetic resistance genes that prevent catastrophic bacterial blight epidemics
- Maturity Duration: Medium maturity duration of 130 to 135 days suited for kharif and irrigated rabi seasons
- Yield Potential: Excellent tillering capacity yielding 20 to 25 productive tillers per hill under recommended management
- Lodging Resistance: Sturdy, thick culms and medium plant height reduce lodging under late-season rainfall
Nursery Management and Sowing Protocol
Because hybrid paddy exhibits high tillering vigor, seed rates are significantly lower than conventional inbred varieties.
Use 6 kg of certified seed per acre, sowing in a well-prepared raised nursery bed with balanced organic manure.
- Seed Rate: 6 kg per acre (approximately 15 kg per hectare) for transplanted cultivation
- Seedling Age: Transplant young, vigorous seedlings at 21 to 25 days old (4-leaf stage)
- Transplanting Geometry: Plant 1 to 2 seedlings per hill with 20 cm x 15 cm spacing for optimum tillering aeration
Nutrient and Water Management Guidelines
Hybrid rice requires balanced nutrient feeding to support high grain yields and panicle development.
Split nitrogen applications into basal, active tillering, and panicle initiation phases, balanced with adequate phosphorus and potash.
- Balanced NPK: Follow soil-test-based fertilizer recommendations, ensuring potassium is applied to strengthen culms
- Zinc Supplementation: Apply zinc sulfate basal or early foliar to prevent zinc-deficiency khaira disease
- Irrigation Practice: Maintain shallow standing water (2 to 3 cm) during tillering, followed by alternate wetting and drying
Official source
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Indian Council of Agricultural Research ↗Related on KisanPe
Common questions
What is the seed rate for Arize 6444 Gold hybrid rice?
The recommended seed rate is 6 kg per acre for transplanted paddy cultivation.
How long does Arize 6444 Gold take to mature?
It has a medium crop duration of approximately 130 to 135 days from seed to harvest.
Why is Arize 6444 Gold popular in BLB-prone areas?
It has built-in genetic tolerance against Bacterial Leaf Blight (BLB), preventing severe foliar drying and crop loss.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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