Effect of head decapitation and planting density on seed production in sprouting broccoli
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Authors
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D.K. MEHTA
Seed Technology and Production Centre, Dr YS Parmar University of Horticulture and Forestry, Nauni, Solan, Himachal Pradesh 173 230
Author
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TARUN SINGH
Seed Technology and Production Centre, Dr YS Parmar University of Horticulture and Forestry, Nauni, Solan, Himachal Pradesh 173 230
Author
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H.S. KANWAR
Seed Technology and Production Centre, Dr YS Parmar University of Horticulture and Forestry, Nauni, Solan, Himachal Pradesh 173 230
Author
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SEEMA THAKUR
Seed Technology and Production Centre, Dr YS Parmar University of Horticulture and Forestry, Nauni, Solan, Himachal Pradesh 173 230
Author
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K.S. THAKUR
Seed Technology and Production Centre, Dr YS Parmar University of Horticulture and Forestry, Nauni, Solan, Himachal Pradesh 173 230
Author
Keywords:
Head decapitation, planting density, seed yield, qualityAbstract
A study was carried out during Rabi 2010-11 to evaluate the effect of head decapitation and planting density on growth, seed yield and quality of sprouting broccoli (Brassica oleracea) cultivar 'Green Head'. The twenty treatments comprised of combinations of four head decapitation methods viz., D₁ (decapitation of primary head at appearance and harvesting seeds from secondary heads), D₂ (decapitation of primary head at marketable stage and harvesting seeds from secondary heads), D, (removal of secondary heads at appearance and harvesting seeds primary head) and 'D' (No decapitation- control) and five planting densities viz., S₁ (60x60 cm), S₂ (60x45 cm), S, (45x45 cm), S, (60x30 cm), and S, (45x30 cm). Decapitation of primary head at appearance and harvesting seeds from secondary heads (D₁) and planting density S₁ (45x45 cm) independently as well as in combination has given highest seed yield per hectare. This combination was also found to be comparable with best combination for other characters like days to 50% flowering, days to harvesting, plant height at maturity (cm), number of branches per plant, number of siliqua per plant, siliqua length (cm), number of seeds per siliqua and seed quality parameters. Therefore, it is suggested that decapitation of primary head at appearance and harvesting seeds from secondary heads (D₁) in combination with plant spacing of 45x45 cm i.e. D₁S, should be recommended for seed production of sprouting broccoli.
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References
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