Population analysis via fluctuating asymmetry in the wings of Culex quinquefasciatus say from selected breeding sites in Iligan City, Philippines

Fluctuating asymmetry (FA) refers to the unequal bilateral sides of an organism. It occurs when an individual is unable to undergo identical development on both sides of a bilaterally symmetrical trait. It measures the sensitivity of development to a broad array of environmental and genetic stresses. In this study, FA was used to measure developmental […]

The study of industrial town refinery sludge effects on Festuca arundinacea Schreb growth and phytoremediation capacity

This experiment designed to study the effects of Mashhad industrial town refinery sludge via its mixture with cultured medium in randomly 3 concentrations, 10%,15% , 20% weight on growth and physiological specifications and phytoremediation capacity of Nickle and Lead by lawn Festuca arundincea. The results showed that using sludge did not have significant effect on […]

Evaluation of antifungal activity of allyl isothiocyanate against Rhizopus stolonifer

Antimicrobial volatile substances from plants have become known as a suitable alternative to synthetic fungicides and food preservatives.Because of health risks for mankind and environment of chemical fungicides, nowadaysthe use of biological alternatives is growing fast.In this study, the antifungal activity of purified Allyl isothiocyanate from cruciferous plants was evaluated againstRhizopus stolonifer isolated from peach. […]

Genetic variation and differentiation of wild stocks of critically endangered Puntius sarana (Hamilton) and their F1 crossbreed through allozyme electrophoresis

The lower genetic variation and differentiation in wild parental stocks of critically endangered Puntius sarana and slight genetic improvement in their F1 crossbreed were inferred by horizontal starch gel electrophoresis with nine allozyme markers. Out of fifteen loci, four loci (EST-1*, GPI-2*, G3PDH-2*, PGM*) were polymorphic in F1 crossbreed progeny and in maternal parent, and […]

Biological evaluation and preliminary screening of endophytes of Taxus fauna for taxol production

Endophytic fungi of Taxus species, being considered as economically most promising source for taxol production, prompted the current study for screening of endophytic fungi associated with Taxus fuana of Pakistan. Two endophytic fungi Epicoccum sp.NFW1 and MucorhemalisNFW6 were explored for their biological activities and taxol production by utilizing bioassays, TLC, RP-HPLC and LC-ESI-MS analyses. Crude […]

Diversity and spatial distribution of stem borers and their natural enemies on off season sorghum, Sorghum bicolour (L.) Moench (Poaceae), in the Sudano-sahelian zone of Cameroon

Lepidopteran stem borers are among the most damaging insect pests of cultivated Poaceae in Africa. The objective of this study was to assess the diversity and the relative abundance of Lepidopteran stem borers and evaluate the larva-pupalparasitization in farmer’s fields. Surveys were conducted during two transplanted sorghum’ cropping seasons (2012/2013 and 2013/2014) in 3 agro-ecological […]

Pollen fertility in wild × cultivated F1 hybrid of cowpea (Vigna unguiculata)

Hybridization is progressively more recognized as an important process in the evolution of plant populations and species. In order to produce F1  hybrid plants, three subspecies of wild cowpea namely  ssp. spontanea, ssp. stenophylla and ssp. tenius were crossed with the cultivated cowpea subspecies namely ssp. unguiculata (524B). The resulting F1  hybrids were evaluated for […]

Effects of arbuscular mycorrhizal fungi on wheat growth, physiology, nutrition and cadmium uptake under increasing cadmium stress

A pot culture experiment was carried out to study the alterations in growth, biochemical activities and cadmium (Cd) uptake by wheat (Triticum aestivum) inoculated with or without arbuscular mycorrhizal (AM) fungi in sterilized soil with addition of different Cd levels (0, 100, 300, 600 mg.kg_1). In Mycorrhizal (M) plants, root colonization rates were significantly lower […]

Comparative analysis of benzo(a)pyrene accumulative ability in the organs of aquatic organisms living at the coastal zone of Northern and Central Caspian Sea areas of Kazakhstan

The aim of the study was the accumulative ability of the oil product benzo(a)pyrene in organs and tissues of fish species widespread in several Northern and Central Caspian Seas areas Abramis sapa P., Sander lucioperca L and Central Neogobius melanostomus P., Rutilus rutilus caspicus Y. This research focuses on these species because they are the […]

Expression of polymorphic profiles of specific and nonspecific esterase in multivoltine and bivoltine silkworm, Bombyx mori L.

An approach has been made to understand the expression of the specific and nonspecific esterase polymorphism in whole body tissue of the silkworm breeds namely, CSR2, CSR4, Pure Mysore and C.nichi. utilizing a polyacrylamide gel stained with α- and β-naphthylacetate as nonspecific hydrolyzing substrate. The genetic diversity among silkworm breeds existed in relation to isozyme […]