Page 137 - BJS vol. 36

Productivity of Seven Sugarcane Varieties and their ...... Soils 129

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(109.33 tha ) which was followed by Isd 37(97.86 tha ). In both plant and ratoon cane
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the lowest cane yield was found in variety Isd 40 (72.98 tha ) and (70.94 tha ) and Isd
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35 (76.47 tha ) and (74.00 tha ), respectively. From the Table 1 also revealed that in both
plant and ratoon cane the highest brix was obtained in variety Isd 36 (20.22%) and
(23.03%) followed by Isd 34 (16.78%) and (17.66%) respectively.
Table 2. Comparative productivity of newly released BSRI sugarcane varieties in
plant and ratoon cane inTista Meander Floodplain Soils at Ramvadrapur
site
Plant Cane (2012-2013) Ratoon Cane (2013-2014)
Millable Millable
Treatment Tillers -1 cane Yield Brix (%) Tillers -1 cane Yield Brix (%)
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3
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3
(10 ha ) (10 ha ) (tha ) (10 ha ) (10 ha ) (tha )
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3
3
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T 1 = Isd 34 185.16ab 108.00b 104.80c 16.78e 177.26a 78.33d 75.46b 17.66b
T 2 = Isd 35 162.94ab 106.67b 76.47e 18.00d 126.33bc 90.20bc 74.00b 19.30ab
T 3= Isd 36 166.60ab 95.00c 96.94d 20.22a 123.60bcd 81.73cd 89.93ab 23.03a
T 4 = Isd 37 145.65b 117.67a 128.34a 17.89d 136.80b 82.46cd 97.86ab 18.89ab
T 5 = Isd 38 153.74ab 93.63c 106.38c 18.89c 110.80d 99.13a 81.80ab 20.47ab
T 6 = Isd 39 191.82a 94.17c 113.04b 19.55b 130.86bc 93.80b 109.33a 20.22ab
T 7 = Isd 40 151.13b 78.60d 72.98e 18.55c 119.73cd 79.46d 70.94c 18.82ab
LSD (0.05) 40.111 3.1686 4.2354 0.3936 34.821 5.978 4.743 0.423
Haque et al. (2009) reported that the plant cane of Isd 2/54, Isd 16, Isd 21, Isd
32, Isd 33, Isd 34, Isd 35 and Isd 36 gave yield of 75.90, 101.8, 108.9, 125.1, 126.7,
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90.77, 90.23 and 86.27 tha at Chuadanga; 77.53, 102.0, 108.1, 124.4, 125.9, 88.22,
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91.53 and 83.53 tha at Jhenaidha, respectively. Ahmed et al. (2008) reported that the
ratoon cane of Isd 31, Isd 32, Isd 33, Isd 34, Isd 35 and Isd 36 give yield of 111.81,
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93.41, 80.35, 85.21, 91.67 and 99.17 tha at Vadsha; 118.63, 69.85, 89.53, 70.16. 89.12
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and 93.03 tha at Mongalbari and 85.71, 83.33, 85.71, 87.02, 94.05 and 87.14 tha at
Ramvadrapur, respectively. So, it may be concluded that Isd 39, Isd 37 and Isd 38
perform better as plant and ratoon cane among all other tested varieties. Thus it can be
suggested to cultivate these sugarcane varieties both plant and ratoon cane. It is also
observed that plant cane and ratoon cane gave higher yield compared to national
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average 46.00 tha (BBS, 2014) and there is a great scope to improve cane production in
plant cane as well as ratoon cane in the Tista Meander Floodplain Soils by using newly
released BSRI varieties thereby benefiting the country through increasing national
average yield of sugarcane.