Volume 62, Issue 2
August 1965, pages 47-102
pp 47-52 August 1965
pp 53-57 August 1965
pp 58-72 August 1965
Proteins, nucleic acids and SH containing substances migrated to the cathode indicating a net positive sign of the charge. Increase of amino-acids in the cathode half indicated the possibility of their electromigration or increased proteolysis. However, the total amino-acid content did not increase in experimental muscle indicating that the increase in amino-acid content in the cathode half was due to electromigration only. The electromigration of the protein fraction was smooth and steady in the muscle. The migration of the protein fraction towards the cathode was due to the net positive sign of the charge on them which was dependent of the intracellular pH. Protein estimations of the tissue fluids squeezed out of the muscle account for the intracellular and intercellular protein content. The protein content in the intercellular spaces had a net negative sign of the charge and migrated to the anode. The intracellular protein fraction had a net positive sign of the charge and migrated to the cathode. It is suggested that the intracellular pH is different from that of the intercellular pH, which is assumed to be identical to the physiological pH.
pp 73-86 August 1965
The pigeon pea sterility mosaic was not transmitted by sap, insects or dodder. There were indications to show that probably the disease was soil borne. A consistent reduction in the disease incidence with reduction in nematode population by the application of nematocides D.D. and nemagon was observed. The reduction in disease incidence was greater in D.D. treated plots than in nemagon treated plots. A statistically significant positive correlation was established between the number ofRotylenchulus reniformis andTylenchorhynchus sp. and the percentage of disease incidence. It is surmised that the disease is probably transmitted byR. reniformis and/orTylenchorhynchus sp.
A negative correlation was obtained between the population of plants and percentages of infection by this disease.
pp 87-91 August 1965
1. Acid-soluble and insoluble phosphorus compounds were determined in the red and white muscles ofCaranx sexfasciatus in the early and late stage of gonadial maturity.
2. Inorganic phosphorus and hydrolysable fractions increased in concentration with maturity. The rate of increase of HyP fraction is greater in red muscle than in white muscle.
3. A gain in DNAP and a loss in RNAP during maturity has been noted. The gain is greater in red muscle.
4. The lipid phosphorus (LP) and acid-soluble nucleoprotein phosphorus (nASP) fractions are low in their concentrations. LP fraction is slightly higher in the red muscles.
pp 92-96 August 1965
pp 97-102 August 1965