M. Ibrahim
Bangladesh Rice Research Institute, Gazipur, Bangladesh.
M. K. Munira
BADC, Gabtali, Dhaka,Bangladesh.
M. S. Kabir
Bangladesh Rice Research Institute, Gazipur, Bangladesh.
A. K. M. S. Islam
Bangladesh Rice Research Institute, Gazipur, Bangladesh.
M. M. U. Miah
Agroforestry, Hajee Mohammed Danesh Agricultural College, Dinajpur, Bangladesh.
Grafting, Rootstock, Wild Solanum, Tomato.
Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh.
Seed Technology
Standardization of seed germination technique of wild Solanum: 1000 seeds of eight wild Solanum species namely S. sisymbriifolium, S. torvum, S. senitwonqsei, S. indicum, S. integrifolium, S. khasianum, S. surattense, S. insanum and three Solanum amphidiploids of S. melongena "Uttara" x S. integrifolium, "DMP" x S. integrifolium and S. integrifolium x S. melongena "Uttara" were considered as experimental materials. Half of seeds of each variety were treated with GA3 solution with 100 mg/l in water and rest half were treated with tap water as control for 24 h at room temperature. Seedbed was prepared using well decomposed cow dung to obtain a desirable tilth. Seeds of each treatment were sown in 4 alternate 1 m long parallel line on the surface level of the seedbed making about 2 cm line depth and then a very thin cover was made with sandy soil. Irrigation and weeding were done when necessary. Data were collected on rate of germination once after every 7 days and continued up to 6 weeks.
Graft compatibility and yield performance of tomato: Five rootstocks namely, S. sisymbriifolium, S. torvum, S. sanitwongsei, S. indicum, S. integrifolium, and three Solanum amphidiploids of S. melongena "Uttara" x S. integrifolium, "DMP" x S. integrifolium and S. integrifolium x S. melongena "Uttara" were used as experimental materials. Tomato line TMO 126 was used as scion and also used as non-grafted control. Thirty five days old tomato seedlings were grafted on fifty days old rootstocks following standard procedures. The experiment was laid out in Randomized Complete Block
Design (RCBD) and individual plot was 3 x 1.4m2 in size having plant to plant and row to row distances of 60 cm and 70 cm respectively, accommodating 10 plants. Manure and fertilizer were applied as per recommendation of Rashid (1983). Support was given to each seedling by bamboo stick. All axillary shoots from rootstocks were removed. Weeding and irrigation was done as and when needed. Data were recorded from ten randomly selected plants per plot on days to first flowering, days to first fruit set, number of fruits per truss, days to first fruit maturity, plant height at first and last harvest, fruit yield per plant and per hectare, pH of fruits, percent of soluble solid, percent success of grafting, prevalence of virus disease-like symptoms and wilt, number of trusses per plant, number of flowers per truss, number of flowers per plant, number of fruits per plant, percent of fruit setting rate and individual fruit weight.
Online Journal of Biological Sciences 1 (8): 701-703, 2001
© Asian Network for Scientific Information 2001
Journal