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preservation, 97 respondents used urea and number (15.4/plant) of larger (70.1 g) fruits per
practiced different intercultural operations, 56 plant. BARI Tomato-6 (Chaiti) gave bigger fruits
respondents cited that they propagate the flower (5.01 × 5.01 cm), maximum fruit yield (25.45
plants through tuber. 64 respondents cited that leaf t/ha), net return (Tk. 7.91 lakh/ha) and benefit cost
curling causes at a higher extent in flower plants ratio (4.48) while BARI Tomato-11 (Jhumka) gave
and 79 respondents cited that aphids are minimum fruit yield (8.14 t/ha) with the lowest net
devastating for flower cultivation. The lack of loan return (Tk. 0.99 lakh/ha) and BCR (1.41).
facilities was most common as well as highly
severe problem. Lack of preservation facilities, low 459 QADIR, A.; HASHINAGA, F. (Dept. of
market price and high price of fertilizer and Biological Science and Technology, Kagoshima
pesticides were also common and severe problems. University, Japan) & KARIM, M.R. (Dept. of
Biochemistry and Molecular Biology, Rajshahi
458 MOZUMDER, S.N. (Hill Agricultural University, Rajshahi). Effects of Pre-Storage
Research Station, Khagrachari Hill District); Treatment with Ethanol and CO 2 on Onion
MONIRUZZAMAN, M.; UDDIN, M.S. Dormancy. J. Bio-Sci., 2007, 15, 55-62.
(Bangladesh Agricultural Research Institute,
Gazipur) & FIROZ, Z.A. (Agricultural Research Onion (Allium cepa L.) cvs. Tazan' and 'lyomante'
Station, Raikhali, Chandraghona, Ramgarh, were pre-treated either with ethanol (at a dose of
–1
Rangamati Hill District). Performance of Summer 0.34, 0.68 and 0.91 g.kg ) and stored at 0, 10, 20
Tomato Varieties under Polytunnel Cultivation in and 30°C or with 100% CO 2 (for 3.5, 7 and 14
the Hilly Area. Bang. J. Life Sci. , 2007, 19 (1), 59- days) and stored at 20°C. Treatment of onion with
65. ethanol delayed rooting, sprouting and reduced
decay in both cultivars. Chemical analysis and
A field experiment was conducted at Agricultural organoleptic tests showed that the treatments had
Research Station, Raikhali, and Rangamati during no adverse effect on the quality of onion. Pre-
April to December in 2003 and 2004. The storage treatment with 100% CO 2 for 3.5 and 7
experiment was conducted with seven summer days enhanced rooting and sprouting, while 14-
tomato varieties (BINA Tomato-2, BINA Tomato- days treatment exhibited a slight inhibitory effect.
3, BARI Tomato-4, BARI Tomato-5, BARI
Tomato-6 (Chaiti), BARI Tomato-10 (Anupama) 460 RAHMAN, M.H. & ALSADON, A.A.
and BARI Tomato-11 (Jhumka) as sub plot (Dept. of Plant Production, College of Food and
treatments and two planting time (May 15 and July Agricultural Sciences, King Saud University,
15) as main plot treatments. Different varieties Riyadh, Saudi Arabia). Photoautotrophic and
showed significant differences in days to 50 % Photomixotrophic Micropropagation of three
flowering and harvesting, plant height, number of Potato Cultivars. J. Bio-Sci., 2007, 15, 111-116.
fruits/plant, fruit size, yield, profit and benefit cost
ratio while planting time had no significant effect The present study was aimed to compare the
on yield or profitability in both the years. BARI photoautotrophic (RAM) and photomixotrophic
Tomato-11 (Jhumka) produced maximum (61.4) micropropagation (PMM) of three potato cultivars
number of small (6.9 g) fruits/plant followed by (Hermes, Rosetta and Asterix). Cultures were
BARI Tomato-10 (Anupama) (37.6/plant) while initiated from single node explants and established
BARI Tomato-6 (Chaiti) produced the lowest in MS basal medium with some modifications.
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