EFFECT OF ORGANIC MANURES AND BIO-INOCULANTS ON GROWTH, DRY ROOT YIELD AND QUALITY OF ASHWAGANDHA (Withania somnifera L. DUNAL.)
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Date
2017-08
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K.R.C. COLLEGE OF HORTICULTURE, ARABHAVI (UNIVERSITY OF HORTICULTURAL SCIENCES, BAGALKOT)
Abstract
An investigation was carried out to study the “Effect of organic manures and bio-inoculants on growth, dry root yield and quality of ashwagandha (Withania somnifera L. Dunal.)” at K.R.C.C.H. Arabhavi. The experiment was conducted in RCBD design with seven treatments and three replications. In experiment, the growth attributes viz., plant height (74.20 cm), stem diameter (0.85 cm), plant spread [E-W (38.07 cm) and N-S (37.60 cm)] and number of primary branches (8.80) and yield parameters viz., number of berries per plant (219.33), seed yield (3.15 q/ha), fresh root (19.58 q/ha) and dry root yield (5.88 q/ha) found significantly superior in treatment T3- RDF + VAM (25 kg/ha), however treatments T1- Recommended dose of fertilizers (N: P: K- 40:50:40 kg/ha) + FYM (5 t/ha) and T7- FYM (5 t/ha) + Azotobacter (625 g/ha) + Azospirillum (625 g/ha) + PSB (625 g/ha) + VAM (25 kg/ha) + (Panchagavya-3% + Amrit Pani-3% at 15 days interval up to harvest of crop) have shown the on par results with other treatments.
Quality parameters like root length (27.07 cm) and root diameter (1.88 cm) recorded maximum in T3- RDF + VAM (25 kg/ha), which was on par with T7- FYM (5 t/ha) + Azotobacter (625 g/ha) + Azospirillum (625 g/ha) + PSB (625 g/ha) + VAM (25 kg/ha) + (Panchagavya-3% + Amrit Pani -3% at 15 days interval up to harvest of crop). Maximum total alkaloid content (0.31%) recorded in T7- FYM (5 t/ha) + Azotobacter (625 g/ha) + Azospirillum (625 g/ha) + PSB (625 g/ha) + VAM (25 kg/ha) + (Panchagavya-3% + Amrit Pani -3% at 15 days interval up to harvest of crop), however it was on par with T3 and T1. Maximum bacterial population (134 × 106), fungi (124 × 103), Azotobacter chroococcum (174.25 × 104), Azospirillum brasilense (192.23 × 104), Phosphate solubilising bacteria (178.46× 106), root colonization (82%) and number of chlamydospores (3174.50/ 100 g of soil) were obtained in the treatment T7- FYM (5 t/ha) + Azotobacter (625 g/ha) + Azospirillum (625 g/ha) + PSB (625 g/ha) + VAM (25 kg/ha) + (Panchagavya-3% + Amrit Pani -3% at 15 days interval up to harvest of crop).
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TH610
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