Relative humidity on the growth

A field experiment was conducted to evaluate the performance of twenty five blackgram genotypes under naturally epidemic conditions to leaf curl disease. The experiment was under taken during the late rabi 2018-19 and 2019-20 in a randomized block design replicated thrice. The investigation has focused on the study of variation in the dry matter production efficiency of the genotypes as influenced by leaf curl disease infection.

11p trinhthamhodang1216 19-11-2020 10 2   Download

Chickpea (Cicer arietinum L.) also known as Bengal gram is one of the most important winter season pulse crop grown in India. It is a member of family fabaceae and believed to be originated in South West Asia.

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An experiment was conducted in the laboratory to find out the impact of temperature and relative humidity on growth and development of C. cephalonica during, 2010-2011, revealed that the development period of male and female was maximum with a mean of 89.50 and 92.00 days at 20°C temperature and 40 per cent relative humidity, respectively.

10p trinhthamhodang1215 23-09-2020 9 1   Download

Rhizoctonia root rot of okra caused by Rhizcotonia solani is an important disease which is known to cause heavy loss in Rajasthan as well as in India. Among physiological parameters effect of temperature, effect of pH and effect of relative humidity were study in vitro. The fungus grew at all the temperature level ranged from 15ºC to 35ºC. Maximum mycelial growth of the fungus (90mm) was observed at 30ºC. In different pH levels that maximum dry mycelium weight (630gm) of Rhizoctonia solani was observed at 6.5 pH level.

8p caygaocaolon6 30-07-2020 7 1   Download

Downy mildew of onion is one of the major threats to onion cultivation, especially in subtropical and dry temperate zone, caused by an oomycetes Peronospora destructor (Berk.) Casp. ex Berk. A study was undertaken to investigate into the epidemiological factors that affects the initiation and dispersal of disease. Under in vitro conditions suitability of different temperature and relative humidity regimes, on germination and relative growth of germ tube has been studied.

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The present study was undertaken at Agriculture Research Station, Anakkayam from February- April, 2019 with objectives to study the influence of various environmental conditions on growth of brinjal (Solanum melongena) under protected and open cultivation and to analyze the impact of variations in temperature, humidity and soil moisture on plant biometric characters. The abiotic factors like temperature, humidity and soil moisture showed significant variation under different growing conditions (open field and polyhouse). Mean daily temperature (36.

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Oyster mushroom (Pleurotus spp.) is fungal fruiting body. There are several oyster mushroom varieties available. Some of the varieties were commercially cultivating in Tamil Nadu. The mushrooms will give good yield based on the climatic condition especially temperature and relative humidity. A study was undertaken for identifying effect of temperature and relative humidity on oyster mushroom production exclusive for Trichy district. The high yield of oyster mushroom mainly depends upon temperature and relative humidity. The isolation is made from mushroom.

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The effect of temperature plays a crucial role in the silkworm, Bombyx mori L., growth as well as cocoon quality and quantity. In this study, the effect of temperature during chawki rearing on later stages and its cocoon production was evaluated without maintaining any recommended practices of temperature and relative humidity during chawki rearing. The perusal of the data reveals that, the larval duration was observed as 28 days and 3 hours. It was observed that the second moult was the longest about 53 hours. Single cocoon weight was observed as 2.22 g, single shell weight was 0.

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The white button mushroom (Agaricus bisporus) is very popular throughout the world and is the most important mushroom of commercial significance in India. It can be successfully cultivated in places where the environmental conditions are favorable but it is cultivated in North India in winter seasons due to the favorable conditions. The optimum temperature for mycelial growth is 20°C -25°C and that for fruit body formation 15°C - 20°C and a high percentage of relative humidity (80-85%).

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Seventy two weaned Syrian hamsters of either sex were randomly assigned to six treatments in single cages (290mm X 220mm X 140mm) in a closed room where the temperature and relative humidity was maintained 24±50C and 60±15%, respectively during the trial of 56 days. The experiment consisted of four dietary treatments. The concentrate mixture of all the groups was formulated using wheat, fish meal, ground nut cake, mineral mixture and common salt. Additionally, treatment group T2, T4 and T6 were provided with green tea extract. Green tea extract was prepared by inserting green tea bag (1.

7p trinhthamhodang1212 06-04-2020 7 1   Download

Oyster mushrooms are well known worldwide for their health promoting as well as their easily cultivable nature with minimum requirements. The study was undertaken to observe the comparative growth behavior and yield potential of two different species of oyster mushroom viz., Pleurotus florida and Pleurotus sajor-caju. Pleurotus florida and Pleurotus sajor-caju mushrooms were grown separately in wheat substrate in dark growing chamber with temperature and relative humidity ranges maintained in between 20-25˚C and 80-85% respectively.

6p quenchua4 06-04-2020 19 2   Download

Pre harvest crop yield forecast is required for storage, pricing, marketing, import, export etc. Weather is the main factor which affects crop yield. Variability in weather causes the losses in the yield. Use of weather can be done for crop production forecast. Weather plays an important role in crop growth. Therefore model based on weather parameters can be provide reliable forecast in advance for crop yield. In this study, the focus was on the development crop yield forecast (CYF) model through stepwise linear regression technique using weather variables and historic crop yield.

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Mushroom is a cash crop grown worldwide on small as well as commercial scale for domestic consumption and export. It is a rich source of proteins, minerals and vitamins with low calorie value with no cholesterol. It is well known alternate source of good quality protein which has higher concentration of amino acid viz., tryptophan and lysine in comparison to vegetable protein. The present investigation was carried out to know the nutritional and physiological along with growth and biomass of H. ulmarius.

8p nguaconbaynhay4 22-03-2020 19 2   Download

A field experiment was conducted to study the growth and quality of spinach under controlled atmosphere of hydroponic structure at Instructional Farm Department of Farm Structure, Dr. PDKV, Akola during February, 2019 – April, 2019. The experiment was laid out in randomized block design. The structure was 1400 mm long and 970 mm wide and at a height of 1800 mm, OPI STAT statistical software was used for analyzes biometric characteristics and quality parameters respectively.

12p nguaconbaynhay3 07-02-2020 13 2   Download

Performance of milky mushroom (Calocybe indica) on different agricultural wastes like paddy straw, castor stalks, sunflower stalks, coconut coir pith, oil palm waste and groundnut shells was evaluated during the summer season. The spawning was done by sterilization of all the seven substrates. The bags were kept in spawn running room with the maintenance of temperature (30°C–35° C) and relative humidity (70–80 %) respectively.

4p quenchua2 16-12-2019 13 0   Download

Air temperature and relative humidity are two primary environmental factors in terms of THI that determining the heat stress level in livestock. Heat stress has detrimental effects on egg production, egg quality of laying hen and reduced growth rate in broiler production. Exposure of environmental stress during the growing period of broilers has been coupled with undesirable meat quality. Heat stress has adverse effects on behaviour, welfare and immunity of poultry and decreases the egg production resulting in massive economic losses of farmer.

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To study the influence of low poly tunnel and planting time on the yield and economics of Muskmelon, an experiment were conducted in 2016-17 to 2017-18 at vegetable experimental farm, Nalanda College of Horticulture, Noorsarai, Bihar Agricultural University, Sabour (Bhagalpur). The treatments consisted of five date of sowing i.e., 5th December, 15th December, 25th December, 5th January and 15th January under open field as well as low plastic poly tunnel respectively. The farmer practice taken as a control in open field. Results were found to be significant for growth parameters and yield.

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To study the impact of low poly tunnel and planting time on the growth parameters and yield performance of Muskmelon, an experiment were conducted in 2016-17 to 2017-18 at vegetable experimental farm, Nalanda College of Horticulture, Noorsarai, Bihar Agricultural University, Sabour (Bhagalpur). The treatments consisted of five date of sowing i.e.,5th December, 15th December, 25th December, 5th January and 15th January under open field as well as low plastic poly tunnel respectively. The farmer practice is taken as a control in open field.

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Onewaytogetaroundthissituation istounderstandthewateruseofcropduringgrowth,as this period demands maximum input. With this information, the contribution/influence of energycropsonwaterresourcescanbeunderstood.Waterrequirementsofaplantspeciescan becalculatedbyestimatingtheminimumamountofwaterperhectareyield(orwater limited
yield),whichisbasedonthepotentialyieldofthecropspeciesandtheavailabilityofwater. Wateruseofplants(evapotranspiration) isdependentontheplantspecies.

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Plants are continuously affected by a variety of environmental factors. Whereas biotic environmental factors are other organisms such as symbionts, parasites, pathogens, herbivores, and competitors, abiotic factors include parameters and resources which determine plant growth like temperature, relative humidity, light, availability of water, mineral nutrients, and CO 2 , as well as wind, ionizing radiation, or pollutants (Schulze et al. 2002 ) . The effect each abiotic factor has on the plant depends on its quantity or intensity.

532p thienbinh1311 13-12-2012 152 46   Download