Інститут рослинництва ім. Юр’єва·Cereals
IR Lopan
IR Lopan is a mid-season single-cross maize hybrid, FAO 290, from the Yuriev Plant Production Institute for Polissia, 115–118 days from emergence to full maturity, with a potential grain yield of 11.5–14.0 t/ha.
Main advantages
- Plants at harvest 55–60 thousand/ha — for Polissia
- Harvest moisture 16–18% — maker's data
- FAO 290 — mid-season hybrid
- High cold tolerance — maker's score
Overview
About this product
IR Lopan is a mid-season single-cross hybrid of dent maize. Plant height is 250–270 cm, ear length 25–27 cm, 16–18 kernel rows, shelling percentage 82–84%, red cob.
Early growth is fast; the maker rates cold tolerance, drought tolerance and resistance to loose and common smut, stalk rots and the maize stem borer as high. The recommended plant density at harvest is 55–60 thousand plants/ha, harvest moisture 16–18%.
Grain protein is 9.9–11.2%, starch 70.2%.
Specifications
Agronomic profile
| Brand | Інститут рослинництва ім. Юр’єва |
|---|---|
| Type | single-cross hybrid |
| FAO number | 290 |
| Maturity | Medium |
| Growing period | 115–118 days (emergence to full maturity) |
| Registered zones | Polissia |
| Growing zones | Polissia |
| Drought tolerance | high |
| Yield | potential grain yield 11.5–14.0 t/ha |
| Protein | 9.9–11.2% |
| Early vigour | fast |
| Plant height | 250–270 cm |
| Disease resistance | resistance to loose and common smut, stalk rots and the maize stem borer is high |
| Plants at harvest | 55–60 thousand/ha (Polissia) |
| Thousand-seed weight | 280–290 g |
| Other facts | Cold tolerance: high; Harvest moisture: 16–18%; Starch content: 70.2%; Shelling percentage: 82–84%; Kernel rows: 16–18; Ear length: 25–27 cm |
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Questions & answers
What farmers ask most
- Optimal sowing depends on crop, zone, and seasonal weather. Winter wheat in the Forest-Steppe: Sep 10–25. Corn: when soil is stable at +10°C at 10 cm depth. See the 12-month sowing calendar on the adam.ua blog.
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Product specifications are compiled from publicly available manufacturer sources and are provided for guidance only — confirm all details with the vendor before purchase. Brand names, logos and trademarks are the property of their respective owners; a listing on ADAM does not imply affiliation, sponsorship or endorsement.