Biotechnology developments
p. 0531 | Varadarajan, S.

Public policy implications of biotechnology for Asian agriculture
p. 0534 | Narayanan, K. R.

First National Seminar on Molecular Plant Pathology
p. 0537 | Rao, K. Manibhushan

A broad-based discussion on Indian science and technology journals
p. 0539 | Nityananda, Rajaram

Hopping conduction in disordered polypeptide chains
p. 0541 | Bakhshi, A. K.

Lactase activity: Effect of an inhibitor of adrenal steroidogenesis
p. 0551 | Murthy, M. S.

Malathion-induced effects on growth and nitrogen metabolizing enzymes in germinating wheat
p. 0554 | Sengupta, P. K.; Chakrabarti, A.; Banerjee, S. K.

Heavy metal pollution in Gomti river sediments around Lucknow, Uttar Pradesh
p. 0557 | Kumar, S.

Vibrational spectra of aquatungsten (VI) oxide (WO ₃. H₂O)
p. 0560 | Philip, Daizy; Aruldhas, G.; Ramakrishnan, V.

Stereospecific synthesis of methyl/ t-butyl ( + )-l R-trans-2,2-dimethyl-3-(2- p - chlorophenyl-ethynyl)cyclopropanecarboxylates from ( + )-3-carene
p. 0561 | Bhosale, S. S.; Kulkarni, G. H.

Co-ordination complexes of diorganotin
p. 0562 | Shukla, P. R.; Bhatt, Malvika; Ahmad, Nihal

Discovery of a tephra bed in the Quaternary alluvial sediments of Pune district (Maharashtra), Peninsular India
p. 0564 | Korisettar, Ravi; Venkatesan, T. R.; Mishra, Sheila; Rajaguru, S. N.; Somayajulu, B. L. K.; Tandon, S. K.; Gogte, V. D.; Ganjoo, R. K.; Kale, V. S.

Proteolytic activity of a thermophilic strain of Nocardia sp. -TP8 isolated from soil
p. 0567 | Dash, Ruby; Biswas, S. R.; Mishra, A. K.; Nanda, Geeta

Solubilization of Mussorie rock phosphate by cyanobacteria
p. 0569 | Roychoudhury, P.; Kaushik, B. D.

Isolation of phosphate solubilizers from different sources
p. 0570 | Darmwal, N. S.; Singh, R. B.; Rai, Raman

Biosorption potency of heavy metals by some fungi
p. 0571 | Lokesha, S.; Somashekar, R. K.

Additions to the fungi of India
p. 0573 | Rao, N. Krishna; Manoharachary, C.

Report on soft rot of Duabanga grandiflora seedling (Roxb. ex DC) Walp.
p. 0574 | Datta, B.; Sharma, G. D.

Role of phenols in resistance to tomato leaf curl virus, fusarium wilt and fruit borer in Lycopersicon
p. 0575 | Banerjee, M. K.; Kalloo

Detached spike technique for in vivo production of Neovossia indica sporidia
p. 0576 | Bains, S. S.; Dhaliwal, H. S.

Flowering-induced ageing in Butica monosperma
p. 0578 | Maheshwari, Vijay; Bhardwaj, R.; Sharma, D.

Polyploidy and gene dosage effects on peroxidase activity in mulberry
p. 0580 | Susheelamma, B. N.; Venkateswarlu, M.; Dwivedi, N. K.; Sikdar, A. K.; Suryanarayana, N.; Sengupta, K.

Mutagenic effects of sodium azide on black gram (Phaseolus mungo L. )
p. 0582 | Mahna, S. K.; Garg, Rekha; Parvateesam, M.

In vitro selection for salinity and regeneration of plants in rice
p. 0584 | Subhashini, K.; Reddy, G. M.

In vitro regeneration, field transfer of plantlets and growth to maturity of plants of Sorghum bicolor (L. ) Moench
p. 0586 | Sharma, Vandana; Kothari, S. L.; Chandra, N.

Effect of aestivation on food utilization in the freshwater snail Pila globosa (Swainson)
p. 0588 | Haniffa, M. A.

Fluorescence microscopic studies on RNA of cytoplasmic polyhedrosis virus of tasar silkworm, Antheraea mylitta (Drury)
p. 0591 | Gupta, Madan

Book Reviews
p. 0593 | Bagchi, Biman; Ramanathan, K. M.; Ullasa, B. A.; Verma, Jeevan P.