Author(s):

Pashyanti Urraiya and Madan Kumar Jha

Abstract: The present investigation entitled "Weed management studies in kharif Onion (Allium cepa L.)" was conducted at Horticulture Complex, Dept. of Horticulture, Maharajpur, Jawaharlal Nehru Krishi Vishwa vidyalaya, Jabalpur (M.P.) during the year 2016-17. The treatments consisted of Ten combination of different agro input management practices viz., Oxyflurofen 23.5% EC + one hand weeding at 40-60 DAT (T₁), Oxyflurofen 23.5% EC + one hand weeding at 30 DAT + Quizalofop Ethyl 5% EC at 60 DAT (T₂), Pendimethalin 30% EC + one hand weeding at 30 DAT + Quizalofop Ethyl 5% EC at 60 DAT (T₃), Black Plastic Mulch (T₄), Organic Mulch- 6 t/ha (T₅), Weedy check (T₆), Silver Plastic Mulch (T₇), Organic Mulch- 9 t/ha (T₈), Organic Mulch- 12 t/ha (T₉), Weed free check (T₁₀), Significantly The highest plant height were recorded 32.69 cm (T₄), 49.77 cm (T₁₀) and 54.07 cm (T₁₀) for different stages i.e. 30, 60 and 90 DAT. The minimum plant height were recorded 28.05 cm (T₆), 38.28 cm (T₆) and 43.92 cm (T₆) for different stages i.e. 30, 60 and 90 DAT. The maximum number of leaves per plant were recorded 5.00 (T₄ & T₁₀), 7.67 (T₁₀) and 9.00 (T₁₀) for different stages i.e 30, 60 and 90 DAT. respectively. The minimum number of leaves per plant were recorded 4.00 (T_3, T_5, T_6, T₈ & T₉), 6.00 (T_5, T₈ & T₉) and 6.67 (T₆) for different stages i.e 30, 60 and 90 DAT.

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