RESEARCH IN ENVIRONMENT AND
LIFE SCIENCES
Volume-6, Number-4, November-2013
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30. |
Res. Environ. Life Sci., 6(4) 113-114 (2013) Effect of allelopathic plants on
Congress grass (Parthenium hysterophorus L.) in a tropical region Jai Knox Department of Botany, St. John’s College, Agra – 282 002, India e-mail: jaiknox@rediffmail.com (Received: July 08, 2013;
Revised received: October 13, 2013;Accepted: October 16,2013) |
Abstract: wo of the many
benefits of including allelopathic plants in
suppressing Parthenium hysterophorus L. are decreasing fresh weight and
biomass of Parthenium weed. This study was
conducted in order to examine the effect of selected plants on fresh weight
and biomass in tropical Agra, India. Together with an untreated control plot,
Parthenium and selected allelopathic
plants were grown from January 2012- December 2012. The weeds were allowed to
develop uncontrolled for 3 months until the time when selected allelopathic plants would be planted with Parthenium. In the period after the incorporation
of allelopathic plants Parthenium
biomass was less, than in control. More than half of the biomass reduced by
15 days after the incorporation of allelopathic plants.
The chemical exudates from allelopathic plants are
proposed to play a major role in the allelopathy
mode of action Key words: Parthenium, Allelopathic plants, Incorporation, Biomass |
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31. |
Res. Environ. Life Sci., 6(4) 115-118 (2013) Reproductive physiology and feeding biology of Puntius sophore
of Tripura, India S. Banik1,2*and
Sibani Saha2 1Bioinformatics Centre, Tripura University (a Central
University), Suryamaninagar 799022, Tripura, India 2Aquaculture Research Unit, Department of Zoology, Tripura
University, India *e-mail:
sukbanik1960@gmail.com (Received: June 10, 2013;
Revised received: October 15, 2013;Accepted: October 16,2013) |
Abstract: As a popular fish species Puntius
sophore is well known in the market of Asia. It
has considerable demand as ornamental fish also. An attractive phenotypic
feature made this species beautiful.This species
looks nice because of development of a beautiful undulating structure of the
dorsal and caudal fins during slow swimming activity. The food search
activity of the species looks very good-looking. Knowledge of some particular
biological parameters such as reproductive physiology as well as feeding
biology of this fish is important in aquaculture view point. For this purpose
some particularparameters of reproductive
physiology are being studied which have been development of gonads in
relation to length and weight, gonado-somatic
index, maturity stages related to age, fecundity and breeding periodicity as
well. Amongst feeding biology parameters studied have been analysis of some
digestive enzymes ( such as pepsin and
alpha-amylase) during fingerling and adult stage, growth and development in
relation to age, RLG, assessment of condition factor (K) etc. Key words: Sex
ratio, Maturity stages, Gonado-somatic index,
Pepsin, Alpha-amylase |
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32. |
Res. Environ. Life Sci., 6(4) 119-120 (2013) Identification of restorers
and maintainers for different wild abortive CMS lines in rice (Oryza sativa L.) S. K. Singh*, Vikas Sahu, Amita
Sharma and P.K. Bhati Department of Genetics and
Plant Breeding, Institute of Agricultural Sciences, Banaras Hindu University,
Varanasi-221005 (India) *e-mail:
shravanranchi@yahoo.co.in (Received: May 06, 2013; Revised received:
October 05, 2013;Accepted: October 11,2013) |
Abstract: The
present observations revealed that F1 hybrids produced by crossing
10 different rice genotypes with 3 CMS lines behaved differently with regard
to pollen fertility. Out of 30 F1 hybrids, 4 were completely
sterile and 19 completely fertile. The remaining 7 hybrids expressed varying
degrees of fertility within the range of partial restorer. Genotypes viz.,
BPT-5204, GR-32, CR-2496, MTU-7029 and Type-3 produced higher fertile hybrids
and were hence considered as common effective restorers for all the three CMS
lines. Kalanamak was found to be an effective
restorer for CMS lines, IR58025A and Pusa 6A. Sona Choor was found to be an
effective restorer for CMS lines, IR58025A and IR68897A. These restorer
genotypes may be further tested for heterosis for
development of new rice hybrids. Three genotypes (HUR-105, HUR-3022 and Anjali) produced sterile hybrids when crossed with
IR58025A. HUR-3022 produced sterile hybrids, when crossed with Pusa 6A and IR58025A and may be further used for the
development of new male sterile lines. Key words: CMS
lines, fertility restorers, hybrid rice, maintainer, wild abortive |
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33. |
Res. Environ. Life Sci., 6(4) 121-124 (2013) Combination of component
traits as selection indices for enhancing seed yield in maize (Zea mays L.) D.Thirusendura Selvi1, P.Srimathi2 and N.Senthil3
and K.N Ganesan4 1Department of Seed Science
and Technology , 2Seed Centre , 3Centre for Plant
Molecular Biology and Biotechnology, 4 Department of Oil Seeds,
Tamil Nadu Agricultural University, Coimbatore-3, India *e-mail:
sona.srinivasan.2@gmail.com (Received: June 08, 2013; Revised received: October
18, 2013;Accepted: October 21,2013)
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Abstract: Studies were undertaken to assess the
association and regression of quantitative traits with seed yield of 17 maize
inbreds comprising domestic and exotic gene pools.
The results revealed that cob length, number of kernel rows, cob weight and
100 seed weight were significantly and positively associated with single
plant yield. The other characters viz., days to 50 per cent tasseling, silking, plant
height and number of kernels per row were also showed positive correlation
with single plant yield (g). The linear models expressed poor regression
between seed weight cob-1 and days to 50 per cent tasseling (R2=0.147) and silking
(R2=0.160) while it was higher between single plant yield (g) and cob weight
(R2=0.930) Key words: Maize,
inbred line, correlation, regression, per se performance |
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34. |
Res. Environ. Life Sci., 6(4) 125-128 (2013) Phytoremediation efficiency of sunflower crop under polluted soilhabitat irrigation with textile and dye industry
effluent and sludge with amendments M.Parameswari 1Department of Environmental
Sciences, Tamilnadu Agriculture University,
Coimbatore-641003, Tamilnadu, India *e-mail: pariwari@yahoo.com (Received: May 15, 2013; Revised received:
September 29, 2013;Accepted: October 03,2013) |
Abstract: The
effluent discharged from textile and dye industries, breweries, fertilizers
were hazardous to the flora and fauna of inland streams or other natural
water resources. The discharge of effluent into the river increased the BOD
and COD of the river water. The high BOD and COD would deplete dissolved
oxygen of the river water creating thereby an anaerobic condition in the
riverbed, which in turn would affect the aquatic life. Gypsum, pressmud, farm yard manure, ETP sludge were tried to
ameliorate the textile and dye effluent polluted soil habitat, using sunflower
(CO4) as a test crop. The sludge along with effluent irrigation added
considerable quantities of cations (calcium,
magnesium and sodium) to the soil system. Application of pressmud
@ 5 t ha-1 along with 100 per cent GR + NPK reduced the soil ESP
by 44.96 per cent. The heavy metal content were also
reduced due to addition of pressmud. Higher
microbial population was also observed under effluent irrigation than well
water. Application of 100 per cent GR + pressmud @
5 t ha-1 + NPK under effluent irrigation increased the
crop growth, yield attributes (head diameter, head weight, seed test weight)
and yield of sunflower in effluent polluted soil habitat. The yield under pressmud amended plots was 36 per cent higher over
control. Reclamation and restoration of textile dye effluent polluted soil
habitat is possible by leaching the soil with 100 per cent GR followed by
application of pressmud @ 5 t ha-1 and
recommended NPK Key words: N-
Nitrogen, P- Phosphorus, K- Potassium, GR Gypsum recommendation, ESP Exchangeable
sodium percentage, BOD- Biological Oxygen Demand, COD – Chemical Oxygen
Demand |
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35. |
Res. Environ. Life Sci., 6(4) 129-132 (2013) Economic importance of marine molluscs N. Santhiya*, S. Baskara Sanjeevi , M. Gayathri , M. Dhanalakshmi PG & Research Department of Zoology,
Government Arts College (Autonomous), Kumbakonam-612 001, India *e-mail: sandhiyarajan02@gmail.com (Received: July 20, 2013; Revised received:
November 04, 2013;Accepted: November 06,2013) |
Abstract: In India wide stretch of coastline offers
beautiful beaches for tourism, and provides a variety of edible marine molluscs that are a delight to the plate and a major
source of revenue for fishermen and tourist servers. Marine molluscs have an important role in the economic and
cultural life of the Tamil Nadu. Fisherman captured different types of forms
by using various nets. The ornamental molluscs are
emerging resources in Indian seas. The fisherman has knowledge to the
collection of species, store and preservation methods. The capturing species
are transported to local market and surrounding area and some aquatic forms
are exported to foreign countries. Collected samples are kept for removing
soft body part by three general methods are burial, boiling and sun drying.
After removing the soft parts the shells are kept in acid for cleaning.Molluscan in general had a tremendous impact on
Indian tradition and economy and were popular among common man as ornaments
and currency. This has the increasing global demand.. Key words: Molluscs,
Ornamental, Important, Traditional |
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36. |
Res. Environ. Life Sci., 6(4) 133-136 (2013) A check list of freshwater molluscs in
lower anicut reservoir in Tamil Nadu M.Dhanalakshmi, S.Baskara Sanjeevi, M.Gayathri, N.Santhiya PG & Research Department of Zoology,
Government Arts College (Autonomous), Kumbakonam-612 001, India *e-mail: rosedhanam@yahoo.com (Received: July 22, 2013;
Revised received: November 05, 2013;Accepted: November 08,2013) |
Abstract: Molluscs occur in
various habitats and are divided into Freshwater, Marine and Terrestrial
forms. The freshwater molluscs play a significant
role in aquatic ecosystems and some of them are edible species like Bellamya bengalensis,
Pila virens and Lamellidens marginalis
are proven food for many aquatic animals and Man: such as Lamellidens
marginalis and Lamellidens
corrianus have also been used to produce pearls
in some parts of India (Subba Rao
& Dey, 1989). The present study on the standing
crop of shell fishes in Lower Anicut Reservoir
reveals that the river basin is rich in diversity of Molluscan
fauna. A total of 13 species of molluscs have been
sampled and identified which have been commercially exploited by the people
of Lower Anicut Reservoir of Tamil Nadu. Molluscan communities are good indicators of localized
conditions, indicating the water quality. The objective of this study was to
know the standing crop of Molluscan diversity of
Lower Anicut Reservior. Key words:
Malacology, Molluscs, Gastropoda, Bivalvia |
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37. |
Res. Environ. Life Sci., 6(4) 137-140 (2013) Effect of GA3
and NAA on plant growth, flowering , bulb production and vase life of
tuberose (Pollianthes tuberosa
L.) cv. Single P.K.Singh1,D.B Singh2 and S.N Singh1 1Department of Horticulture, Udai Pratap Autonomus
College,Varanasi, India 1Krishi
Vigyan Kendra, Hardoi,
CAS University of Agriculture and technology, Kanpur, India *e-mail: kumar.pramod1976@gmail.com (Received: August 22, 2013;
Revised received: November 22, 2013;Accepted: November 26,2013) |
Abstract: Tuberose (Polianthes tuberosa L.)cv. Single bulbs were dipped in different
concentration of GA3 and NAA (50,100,150,200)ppm for 6 hours and 12 hours. GA3
. 200ppm with 12 hours (T8) soaked bulbs resulted best for plant
growth viz. number of leaves per Clump, height of plant, leaf area, fresh
weight of leaves per clump; as well as minimum number of days to spike
emergence, maximum spike length, spike weight, higher number of florets per
spike, maximum number of spike per clump, duration of flowering and vase life
.Similar beneficial effect on number of bulbs per clump, weight of bulbs per
clump, weight of bulblets per clump, weight of
bulbs, bulb diameter,number of bulblets
per clump, and fresh weight of bulbs were observed in treatment T8. Key words: Tuberose
GA3 NAA, dipping hours. |
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Res. Environ. Life Sci., 6(4) 141-146 (2013) Seasonal study of Physico-chemical
parameters and planktons of Kullursandhai reservoir
in Virudhunagar District, Tamil Nadu K. Nagarajan* 1 andS. Kannan2 1Departmentof Zoology, VHNSN College,Virudhunagar, Tamil
Nadu, Affiliated to Madurai Kamaraj University,
Madurai 2Department of Environmental Studies,School
of Energy, Madurai Kamaraj University, Madurai *e-mail: gurunagan@gmail.com (Received: August 18, 2013;
Revised received: November 20, 2013;Accepted: November 25,2013) |
Abstract: ThisPaper Present to
study the changes of Physico-chemical factors such
as water temperature, pH, Transparency,EC, TDS,
Total Hardness, DO, Calcium, Chloride, Alkalinity, Phosphates, Nitrates,and Biological factors such as Zooplanktons and
Phytoplankton population during the Pre-monsoon, monsoon, post-monsoon and
summer season from the month of June to May, 2012-2013. All parameters were
within the standard of WHO permissible limits. The results indicate that the
reservoir is highly suitable for fish culture and fish farming exclusively
during the month from June to November. Key words: Water
quality, Pre-monsoon, Monsoon, Physico-chemical ,Phytoplanktons, Zooplanktons |
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Res. Environ. Life Sci., 6(4) 147-153 (2013) Geo-environmental impact of open cast mining in Sonbhadra district, U.P., India- in reference to Land use Vinay Kumar Pandey*1, Ajai Mishra2, and Shashank Shekhar Mishra2 1GIPL, Energy division, 5th floor, Orbit Plaza, New Prabhadevi
road,Prabhadevi,Mumbai, Maharastra,
India. 2Department of Geology,
University of Lucknow, Lucknow-226007, U.P., India *e-mail: vinay78pandey@gmail.com (Received: June 25, 2013;
Revised received: November 11, 2013;Accepted: November 15,2013) |
Abstract: Land is the most important natural resource
which embodies soil, water, associated flora and fauna involving the total
ecosystem and on which all man’s activities are based. Of late, growing
population pressure and human activities are increasing the demand on the
limited land resources, both for agricultural and other land uses. The
district Sonbhadra, previously a part of Mirzapur district in Uttar Pradesh, India, was created as
a separate district in 1991. Geologically the area consists of Vindhyan supergroup, Mahakoshal group and Dudhi granitoid complex. The district Sonbhadra
has rich mineral resources and their potential. The area is known for
production of cement grade Limestone and Dolomite; the other minerals are
Clay, Calcite, Silimanite and base metals for more
than last three decades. These mining areas show impacts on the environmental
status of the district. In the present study, the variations in landuse pattern from year 1971 to 2006 have been
considered with the help of Survey of India toposheet
and satellite data of the study area. Finally, the resulted compared landuse data of year 1971 & 2006, forest land become
nearly half and open scrap get 2.5 times, agriculture land 1.5 times and huge
population expansion 7.5 times, population get 3 times only in 10 year times
span from 1991 to 2000. Key words: Open
cast mining, Landuse pattern, Open scrap, Forest
land, Residential land |
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Exclusively Online Res. Environ. Life Sci., 6(4) 154-155 (2013) Survey of ginger diseases onfarmers’
field in Jammu region Shahid Ahamad*1,
Banarsi Lal1, Vikas Sharma2 and Rani
Mughal3 1Krishi Vigyan Kendra, Reasi,
2RARS, Rajouri, 3Govt. Degree
College, Poonch, Sher-e-Kashmir
University of Agricultural Sciences and Technology of Jammu, (J.&K.) India *e-mail: shahid_2056@yahoo.co.in (Received: November 15, 2013; Revised received: December 15,
2013;Accepted: December 18, 2013) |
Abstract: Ginger (Zingiber
officinale Rose
L.) is an important spice crop belonging to family Zingiberaceae.
Rhizome rot of ginger caused by Pythium aphanidermatum (Edson) Fitz
is amajor constraint for the production of healthy rhizomein the Jammu region. To know the status of ginger
diseases on farmers’ field, field survey was undertaken in the ginger-growing
districts of Jammu region in the Kharif-2012 to Kharif-2013.The major ginger
diseases observed were Rhizome rot (0-80%),wilt(0-22%),leaf spot(0-20%)
in Jammu region. Key words: Ginger, Pythiumspp., Pseudomonas solanacearum,
Phyllosticta zingiberi,leaf spot. |
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Exclusively Online Res. Environ. Life Sci., 6(4) 156-158 (2013) Effect of irrigation regimes and mulches in microbial population
on Aonla (Emblica officinalis Greartn) cv. NA-10
under sodic soil Mohd. Suhail*1
and Shahid Ahamad2 1K.V.K. Lakhimpur-kheri, CSAUAT-Kanpur,
U.P., India 2Regional Agricultural Research Station, Rajouri,
SKUAST-Jammu, India *e-mail: drsuhail.imp@gmail.com (Received: November 05,
2013; Revised received: December 06, 2013; Accepted: December 09, 2013) |
Abstract: Total number of earthworm increased
significantly with increasing level of irrigation (I1) and it was maximum
in mulching by paddy straw. Application of water at I3
(IW/CPE=0.6) irrigation regime produced significantly maximum number of fungal
colonies and bacterial population in I1 (IW/CPE=1.0) irrigation
regime. The total number of fungal and bacterial population was maximum in paddy straw mulching. Interactive effect of
irrigation regimes and mulches proved beneficial in improving the microbial
population of the soil. The maximum number of bacterial and
fungal colony were observed in I3M2 and I2M2
treatment combination, respectively. Key words: Aonla drip,
fungus, bacteria earthworms |
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Exclusively Online Res. Environ. Life Sci., 6(4) 159-161 (2013) Sarsainawer wetland (Distich Etawah,
UP): An extensive investigation of plankton communities Dipti
Porwal and R.R.S. Chauhan Department of Zoology, Janta
Mahavidyalaya Ajitmal, Auraiya India *e-mail: diptiporwal79@gmail.com (Received: November 01, 2013; Revised
received: December 05, 2013; Accepted: December 08, 2013) |
Abstract: The extensive investigation the Sarsainawer Wetland during the study period revealed that
sewage disposal, increasing human interference and resultant algal and macrophytic growth is leading to the destruction of this
Wetland. Moreover Copepods dominated in oligotrophic
waters whereas the Cldocerans and Rotifers are
dominant in eutropilic waters which also holds good
to a great extent in the present Wetland. Here also the rotifers have
acquired the dominance whereas the Cladccerans tend
to dominate. So, wetland is undergoing rapid eutrophication
as is evident by the phytoplankton and zooplankton population recorded at
different times with their seasonal drifts as well. Key words: Investigation,
Sarsainawer Wetland, plankton, Hydrobiology |