AB-646 is a tall, vigorous hybrid maize reaching 240 cm with strong ear placement at 105 cm. It features a loose, medium-sized tassel, green glumes with a purple tinge, and deep purple anthers. The hybrid produces striking red silks and bright yellow semi-flint grains. With a maturity period of 105 days, AB-646 performs consistently across Kharif and Rabi seasons, offering robust growth and reliable productivity.
- Hybrid Maize AB-646
| Plant Height in CMS | 200 |
| Ear Height in CMS | 100 |
| Days to 50 % Pollen | 51 |
| Days to 50 % Silk | 52 |
| Maturity | 90-95 |
| Tassel | Semi loose |
| Glume | Green with Purple Tinge |
| Anthers | Purple |
| Silk | Purple |
| Grain Color | Orange Yellow |
| Grain Texture | Flint |
| Period of Sowing | KHARIF |
Everything You Need To Know About Maize
Maize can be successfully grown in areas receiving annual rainfall more than 600 mm with equal distribution. Maize need bright sunny days for active photosynthesis and rapid growth. Recommended prebasal FYM 5-8 ton / Ac
- Seed Rate / Ac 8Kg
- Spacing (Row x Plant) 60 x 20 - 25 cm
- NPK / Ac 80 : 30 : 20
- Apply N in three equal split at basal, knee height & flowering stages, apply total P as basal dose and apply K in two equal splits at basal & flowering stages.
- Total water requirement: Irrigation at 6 to 10 days interval is recommended based on available soil moisture. Avoid excess moisture during first month of sowing.
- During Critical stages like germination, flowering and grain filling moisture stress can be reduce yields up to 30 – 60 %.
- Pre-emergence Herbicide: Spray Atrazine 1.0 kg / Ac. 3 to 4 gram / 1 Ltr of water as pre-mergence 1 – 2 days after sowing.
- Crop should be free from weeds, practice, inter cultivation with bullock drawn blade harms followed by earthling up.
- Major pest: Fall army worm. Stem bores
- Control Measures Farmers must take up foliar spray of insecticides like chloripyriphos @ 2.5 ml / Ltr, or cypermotherin @ 1 ml / ltr. Proclaim @ 0.5 gm / Ltr of water at 12 – 15 days after sowing. Whorl application of carbofuran 3g or phorate 5 mg granules @ 5 to 7 granules per loaf whorl at 25 days after sowing.
- Leaf blight, Downy mildews
- Spray of fungicides like Bavistin @ 1 gm / ltr or M-45 2 gm / ltr of water.
- Seed treatment with METALAXYL wettable powder @ 4 – 5 grams per kg of seed followed by one or two foliar sprays with METALAXYL @ 2 – 3 mg / Ltr.
