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 (T
1), Oxyflurofen 23.5% EC + one hand weeding at 30 DAT + Quizalofop Ethyl 5% EC at 60 DAT (T
2), Pendimethalin 30% EC + one hand weeding at 30 DAT + Quizalofop Ethyl 5% EC at 60 DAT (T
3), Black Plastic Mulch (T
4), Organic Mulch- 6 t/ha (T
5), Weedy check (T
6), Silver Plastic Mulch (T
7), Organic Mulch- 9 t/ha (T
8), Organic Mulch- 12 t/ha (T
9), Weed free check (T
10), Significantly maximum 260.31 q/ha and 267.31q/ha marketable and total yield respectively was recorded under the treatment T
4. Whereas, the lowest 140.02 q/ha and 147.36 q/ha yield was observed in T
6. And minimum weed index was observed (-7.36%) in the treatment T
4. The highest bolters percentage (2.70%) was recorded in the treatment T
6. The highest (3.78%) value of doubles was recorded in the treatment T
6. and
the lowest doubles percentage 1.09% was recorded under the T
10.