Biochemical and bioassay studies on the influence of different organic manures on the growth of Mulberry Variety V1 and silkworm, Bombyx mori Linn.

Author

St. John?s College, Palayamkottai ? 627 002. Central Sericultural Research and Training Institute, Mysore, 570 008, India

Abstract

The genetic variation and diversity among fifty-eight polyvoltine silkworm genotypes was estimated by using ten economic traits. The results revealed that the single shell weight showed higher genetic variation such as PCV% (17.20%), GCV% (12.93%), and heritability (56.5%) followed by single cocoon weight, shell ratio and matured larval weight. The D2 (Mahalonobis? distance) statistics revealed nine clusters with substantial inter and intra cluster distances. The genotypes included in different clusters varied from 1 to 16. The genotype Pure Mysore was included in isolated cluster indicates its longer adaptation. The genotypes included in cluster VIII and IX showed optimum genetic distance along with higher cluster mean emphasised for utilization in the silkworm breeding.
 
REFERENCES
Bose, P.C., Majumder, S.K. and Sengupta, K. (1991) A comparative biochemical study of six mulberry (Morus alba L.) varieties. Indian. J. Seri. 30, 83-87.
Brown, T.T. (1958) Poultry manure – a practical balanced fertilizer. Poultry Dig. 17, 108. Christie, P. (1987) Some long-term effects of pig slurry on grass land. J. Agric. Sci. Camb. 108, 529-541.
Das, B.C. and Sikdar, A.K. (1970) Evaluation of some improved strains of mulberry varieties by feeding experiments. Indian. J. Seric. 9, 26- 30.
Dhillon, M.S., Baljit S., and Khajuria, H.N. (1996) Organic farming through agro forestry. In (ed.) R.K. Arya. Info- Danes International meet on resource inventory techniques to support agroforestry and environmental activities Daynand Natn. Acad. Environ. Oct. 1-3. DAV College, Chandigarh. pp. 234-242.
Dosani, A.A.K., Talashilkar, S.C. and Mehra, V.B. (1999) Effect of poultry manure applied in combination with fertilizers on the yield, quality and nutrient uptake of groundnut. J. Indian Soc. Soil Sci. 47, 166-169.
Dubious, N.K., Giller, K.A., Hamiltion, K., Kelers, P.A. and Smith, F. (1956) Colorimetric method for determination of sugars and related substances. Ann. Chem. 28, 350-356.
Edward, D.R. and Daniel, T.C. (1992) A review of bioresource. Tech. 41, 91.P.
 Eno, C.P. (1966) Chicken manure, its production, value preservation and disposition. Floride Agric; Exp. Stan. Cric., pp. 5-140.
Espiritu, B.M., Chay, P.B., Calibo, R. and Palacpac, N.B.Q. (1995) Mass production of bioorganic fertilizer for country side development (development and utilization of village level production of biofertilizer blend of composting inocula and asymbiotic N2 fixers). College, Lagmna (Philippines) pp. 49.
Folch, J., Lees, M. and Soloane Stanley, G.H. (1957) A simple method for the isolation and purification of total lipid animal tissue. J. Biol. Chem., 226, 497-509.
Fukuda, T., Suto, M. and Higuchin, Y. (1960) Silkworm raising on the artificial food. J. Seric. Sci. Jpn. 29(1), 1-13.
Gaur, A.C., Neblakantan, S. and Dargan, K.S. (1984) Organic manures. ICAR, New Delhi Hiratsuka, E. (1971) Researchers on the nutrition of the silkworm, Shanghi Shikenjo Hokoku Tech. Bull. 2, 353-412.
Hsieh, C.F. and Hsu, K.N. (1993) An experiment on the organic farming of sweetcorn and vegetable soybeans. Bull. Traichung Dist. Agri. Improv. Stn. 43, 29-39.
Kasiviswanathan, K., Krishnaswami, S. and Venkada Ramu, C.V. (1973) Effect of storage on the moisture content of mulberry leaves. Indian J. Seric. 12, 13-21.
Kataoka, K., Imai, T. (1986) Cocoon quality and physiological properties of the cocoon filament produced by silkworms reared on mulberry leaves and on an artificial diet. J. Seric. Sci. Jpn. 55, 112.
Koul, O., Tikku, K., Saxena, B.P. and Atal, C.K. (1979) Growth and silk production in Bombyx mori L., fed on three different varieties of mulberry. Indian. J. Seric. 18, 1-15.
Krichmann, H. and Witter, E. (1992) Composition of fresh aerobic and anaerobic farm animal dung. Bioresour. Technol. 40, 137-142. Krishnaswami, S. (1978) New technology of silkworm rearing. Indian silk 16(12), 7-15.
Lowry, O.H., Roseburgh, N.J., Farr, A.L. and Randall, R.J. (1951) Protein measurement with the folin phenol reagent. J. Biol. Chem. 193, 265-275.
Machii, H. and Katagiri, K. (1991) Varietal difference in nutritive values of mulberry leaves for rearing silkworm. JARQ. 25, 202-208.

Keywords