Page 72 - BJS vol. 35

64 Bangladesh J. Sugarcane, 35 : 60-72 June, 2014

Table 1. Effect of row spacing on productivity of onion seed crop in onion -
mungbean sequential intercropping on growth parameters of sugarcane
in 2008-2009 and 2009-2010

Cane height Cane diameter No. of internodes Dry matter
-1
-2
Treatments (m) (cm) cane yield (g m )
2008-09 2009-10 2008-09 2009-10 2008-09 2009-10 2008-09 2009-10
T 1 2.58 2.12 2.15 2.02 23 22 2410 c 2510 e
T 2 2.75 2.61 2.30 2.26 26 28 3080 a 3060 a
T 3 2.72 2.25 2.28 2.20 25 24 3050 a 2975 d
T 4 2.63 2.58 2.25 2.11 25 26 2440 bc 3022 bc
T 5 2.67 2.48 1.97 2.12 23 25 2500 b 3000 cd
T 6 2.60 2.56 2.17 2.13 25 26 2450 bc 3050 b
T 7 2.67 2.60 2.10 2.16 24 27 2490 bc 3100 a
S x 0.11 0.08 0.05 0.06 0.69 0.95 18.00 7.32
CV (%) 9.71 8.55 5.91 6.62 6.28 9.31 1.72 0.61
Level of NS NS NS NS NS NS ** **
significance
In a column, figures with similar letters do not differ significantly at 5% level

T 1 - Paired rows cane (PRC) only,
T 2 - PRC + onion (bulb) - BINA Mung 5 (standard),
T 3 - PRC + potato - BINA Mung 5,
T 4 - PRC + 40 cm row spacing of onion seed crop - BINA Mung 5,
T 5 - PRC + 30 cm row spacing of onion seed crop - BINA Mung 5,
T 6 - PRC + 24 cm row spacing of onion seed crop - BINA Mung 5 and
T 7 - PRC + 20 cm row spacing of onion seed crop - BINA Mung 5

Yield and yield attributes of sugarcane
Tiller population, number of millable cane, unit cane weight and cane yield were
not significantly differed among the different intercrops combinaton. The highest number
3
-1
-1
3
of tiller 222 × 10 ha and 225 × 10 ha were obtained from T 2 (PRC + Onion - BINA
3
Mung 5) treatment in both the years, The highest number of millable cane of 99 × 10 ha -
1 3 -1
and 108 × 10 ha were obtained from T 2 (PRC + Onion - BINA Mung 5) and T 7
treatment in 2008-09 and 2009-10 season, respectively. The highest unit cane weight of
0.94 kg was found with T 6 (PRC + 24 cm row spacing of onion seed crop - BINA Mung 5)
in 2008-2009 and that of 0.90 kg were obtained from T 1 and T 3 in 2009-10 seasons. The
-1
-1
highest cane yield of 91.54 tha and 93.12 tha were obtained from T 2 (PRC + Onion -
BINA Mung 5) treatment in 2008-09 and 2009-10 season, respectively (Table 2).