Four Rapeseed Hybrids for Your Success

Rapeseed
Published by: 29.07.2024

One of the critical factors in selecting a rapeseed hybrid for cultivation is its stability under varying conditions. This stability ensures consistent results regardless of the year's weather conditions. The most stable hybrid from VNIS is Khalk, which shows high-yield results in different climatic zones in Ukraine yearly.

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The hybrid is classified as a mid-season variety and exhibits average autumn development, making it suitable for cultivation across all climatic zones in Ukraine, provided that sowing is done early and optimally. Plant height varies by region: 140-160 cm in the central and northern areas, 120-135 cm in the drier South, and up to 180 cm in the West with adequate moisture. The hybrid is highly resistant to phomosis due to the presence of the Rlm7 gene. Its high branching potential allows it to compensate for sparse sowing while maintaining high yields. However, it does not tolerate overcrowding, which can lead to poor ventilation, disease, and reduced yields. Use classic weed control methods for this hybrid.

The classic Torus hybrid is well-suited for farms that utilize intensive technology. 

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The speed of autumn development for our hybrids is moderate, allowing them to be cultivated in various conditions. However, this also means we cannot recommend late sowing dates. Spring regrowth and flowering also progress at a moderate rate, which helps reduce the risk of early frosts that can significantly lower yields. The resistance to major diseases, such as phomopsis and verticillium, is genetic. Additionally, the hybrids have some resistance to pod cracking, which contributes positively to yield. While the hybrid can tolerate a slight increase in sowing density—especially in late sowing conditions—it performs best when sown at the optimal time and with a density of 350,000 to 450,000 seeds per hectare, depending on the spacing between rows.

Classical cultivation technology generally yields good results across all farms; however, there are instances when more aggressive herbicides are necessary. This is where imidazolinone-resistant hybrids, such as Parker, come into play. The resistance to imidazolinones is conferred by mutations PM1 and PM2 in one of the three AHAS genes found in rapeseed. Cultivating these hybrids reduces the number of herbicide treatments because imidazolinones are effective against both monocotyledonous and dicotyledonous weeds and have a long-lasting period.

Another beneficial use of hybrids like Parker is cultivating them using classical technology in fields with a significant residual concentration of imidazolinones from previous applications. In such situations, only resistant hybrids can withstand the toxic effects of herbicide residues. Although hybrids resistant to imidazolinones may yield slightly less than classic varieties, they are easier to cultivate and offer a more economical approach to weed control. The Parker hybrid has proven successful in the southern regions of Ukraine, where herbicide-resistant hybrids are commonly grown.

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Maybach is a unique new product in our market—a tribenuron-methyl-resistant rapeseed hybrid. This hybrid can significantly reduce the need for dicotyledonous weed control in rapeseed, as it can tolerate up to 50 g/ha of tribenuron-methyl. In most cases, using 35 g/ha will effectively eliminate the majority of broadleaf weed problems.

One of the significant advantages of growing Maybach is that tribenuron-methyl, while highly effective for weed control and relatively inexpensive, decomposes quickly in the soil and does not leave any toxic effects on subsequent crops. Additionally, its resistance to pod cracking helps preserve the crop until harvest. The hybrid also exhibits high winter hardiness and resistance to phomosis, ensuring healthy vegetation throughout the growing season.

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VNIS hybrids utilize the Ogura cytoplasmic male sterility system, a standard for most seed companies. This system ensures the highest level of hybridity and genetic purity in typical growing conditions found in Ukraine.