New Zealand Journal of Crop and Horticultural Science abstracts
Improving performance of Brassica juncea cultivars
by seed treatment with pyridoxine
SAMIULLAH
N. A. KHAN
Department of Botany
Aligarh Muslim University
Aligarh 202002, India
Abstract In a field trial, the effect of soaking three cultivars of
mustard (Brassica juncea L. Czern & Coss.) namely'RK-8203','PR-18',and'Varuna'
for 4 h in 0.0125, 0.025, 0.05, and 0.10% aqueous pyridoxine solution was studied
on growth and yield characteristics.
In addition to pyridoxine treatment, two controls (unsoaked and water-soaked)
were also maintained for comparison. The parameters studied included root length,
leaf number, dry weight/plant, and leaf N, P, and K content at 70 days after
sowing (DAS). Pods/plant, seeds/pod, 1000 seed weight, oil content, seed yield,
and oil yield were measured at harvest. The pyridoxine requirement for optimum
performance of 'RK-8203' was 0.05% and for' Varuna' it was 0.0125%, whereas
'PR-18' showed inhibitory effect to pyridoxine treatment. This variation in
pyridoxine
requirement of mustard cultivars for optimum performance seems to be the result
of the difference in the native pyridoxine content in the seed. The results
suggest that the performance of cultivars of Brassica juncea having
low seed pyridoxine
content could be improved by soaking the seeds in aqueous pyridoxine solution
so that pyridoxine in seeds reaches the optimum level.
Keywords pyridoxine;
mustard .
New Zealand Journal of Crop and Horticultural Science, 1997, Vol. 25:
43-47
0114-0671/97/2501-0043 $2.50/0 (c) The Royal Society of New Zealand
1997
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