Effect of Seed Soaking and Spacing on Growth and Seed Yield in Okra (Abelmoschus Esculentus
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Date
1997
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Birsa Agricultural University, Ranchi
Abstract
Okra (abelmoshus asculentus L)is one of the popular vegetable in India grown extensively all the year round for its tender pods. It belongs to the family Malvaceae and is native to Africa. Tender pods are used as vegetable, boiled or in the form of sliced and fried dishes. It has high nutritive values ,posses medicinal properties. It is a rich in vitamins (A,B and C) and many minerals with little iron. Matured fruits and stem containing curde fibre are used in paper industry. It is commonly grown in almost all parts of the plains and plateau regions. The total cultivated area of okra in Bihar is about 40.000ha.
Seed is protector and propagator of its kinds and has paramount important in seed production. Seed production is affected by number of factors among this germination of seed plays vital role. Germination of seed and spacing decide the vigour, health and good crop stand of the okra. A little work has been done on seed production of okra. A little work has been done on seed production of okra in chotanagpur region . Keeping these points in view an experiment entitled Effect of seed soaking and spacing on growth and seed yield in okra was laid out with six seed soaking treatment viz GA3(50ppm,100ppm),Boron (0.25% and 0.50%) NPK (2%) and water soaking in different doses and three spacing viz (60cmx15cm,60cmx30cm and 60cmx45cm) with cultivar prabhani Kranti.In control plot seed was sown without soaking. The experiment was conducted in Randomized Block Design and replicated thrice.Recommended dose of fertilizer was given in all the treatments and all due cares were taken during the period of investigation.
Highest germination (85.64%) of okra crop was recorded with GA3 100ppm whearas, lowest germination (78.70) was recorded in borax(0.05%).The vegrtative characters were significantly influenced with GA3 and chemical applied.Maximum plant height(123.20cm),plant girth (7.54cm), plant spread (N-S) and (E-W) number of branches(1.97) and number of nodes per plant (19.64) were recorded inGA3 100ppm followed by GA350ppm.Different plant spacing had only significant influenced on plant girth, number of branches and number of nodes. Maximum(7.25cm) plant girth and (20.4) number of branches were obtained with 60cm x 45cm spacing followed by 60cmx30cm .Maximum (18.96)number of nodes was recorded in 60cm x30cm spacing.
Yield attributing characters were significantly influenced with application of GA3 and chemicals. Maximum fruit length (18.52cm), fruit girth (5.42cm),dry fruit weight (25.46g)and number of seeds per fruit(57.39)were recorded with GA3 100ppm and closely followed by GA3 50 ppm.Different plant spacing did not influence these characters.
Seed yield (g/plot) was significantly influenced by seed soaking treatments and spacings. Maximum seeds yield (7.09 q/ha) was obtained with GA3 100ppm which was at par with GA3 50ppm(6.94q/ha).A plant spacing 60cmx15cm significantly highest (10.43q/ha)seed yield. However, interaction effect were nit significantly but combination of seed treatment with GA3 100ppm and spacing 60cmx15cm gave higher seed yield (11.39q/ha) which was better than rest combination.
Maximum profit (rs 15.455=00) and benefit-cost ratio (1.20) were obtained in the seed soaking treatment withGA3 at 100ppm concentration followed by GA3 50ppm .Similarly, highest return (Rs28.355=00 and benefit :cost ratio (2012)per unit area were o