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Effect of nitrogen fertilizer and boron spray on growth and yield of black mustard (Brassica nigra L.) | ||
| Journal of Medicinal and Industrial Plant Sciences | ||
| Volume 1, Issue 1, December 2023, Pages 19-25 PDF (406.24 K) | ||
| Document Type: Original Article | ||
| DOI: 10.32894/MEDIP.23.1.2 | ||
| Author | ||
| Qasim Ajel Al-Zyadi* | ||
| Field crops Department, College of Agriculture , Al-Muthanna University . Iraq | ||
| Abstract | ||
| The experiment was carried out during the season 2022-2023 in the field of Agricultural Research Station (2) affiliated to the College of Agriculture, Al-Muthanna University (located in Samawah city, southern Iraq) , to study the response of the black mustard (Brassica nigra L.) for three different levels of nitrogen it is 0, 60 , 120 kg N/ ha and spraying boron in 0, 2 , 4 mg B / L, and its reflection on its growth and seed yield. The results of the study showed that fertilization levels significantly affected the studied traits, the level of nitrogen fertilizer 120 kg N/ ha was unique and gave highest values for plant height, fruiting branches number, siliquaes number, seed number in siliquae, 1000 seed weight and total seed yield (124.17 cm, 23.88 branch plant-1, 184.1 siliquae plant-1, 14.88 seed plant-1, 4.43 g and 3691 kg/ ha) respectively. The results also showed a significant effect of boron on all traits, as the plants that were sprayed with a concentration (4 mg B/ L) gave the highest values in plant height (112.26 cm) , number of fruiting branches (22.21 number of fruiting branches) , siliquaes number (172.5 siliquae/ plant), seeds number in siliquae (14.69 seed/ plant) , 1000 seed weight (4.16 g) and total seed yield (3376 kg/ ha) .Also, the overlap between the two experimental factors had a significant superiority in all the traits studied except for the one 1000 seed weight. | ||
| Keywords | ||
| Black mustard; Brassica nigra L; Nitrogen fertilizer; Boron | ||
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