Flowering and Fruit Setting

• Honey bee are chief pollinating agents
• Turnip grown for seed production should not be located to close to field of major honey producing plants like clover
• 32 ^o C or higher cause the stigma to become dry, and pollen fail to germinate
• At higher temperature, dry weather might cause formation of undeveloped pod
• GA3 @ 100 ppm to the seed or at the seedling stage, promote bolting and flowering

Care after bolting

• All weeds especially wild radish, wild turnip and wild mustard should be removed from the turnip field to avoid cross-pollination
• One or two irrigation may be given after flowering which results in better seed yield
• Staking is done to provide support to the seed stalk

Seed Harvesting and Storage

• No problem of shattering, pod do not dehisce
• Pods are allowed to mature and ripe fully before they are harvested
• When pods are brown (70% pod brown), seed stalk are cut and kept in small piles and are placed for drying
• Through drying of seed pods facilitate easy extraction.
• The seed immediately after extraction is thoroughly dried in sun, otherwise, it will loss its viability
• High moisture content in seed result poor germination
• After threshing and drying, seeds are cleaned to make free from small seeds, other crop seeds, weed seed or any other materials
• Seeds are graded
• Store seed in air-tight containers under dry and cool place