Decrease chlorophyll content

A long fruit (lf) mutant was obtained from the cucumber inbred line ‘SN5’ by ethyl methanesulfonate (EMS)-mediated mutagenesis. We found that plant height and internode length of lf were significantly decreased, while leaf area was significantly increased in comparison to wild type (WT) plants. Higher carbohydrate level, together with lower chlorophyll content and photosynthetic parameters, was revealed in lf leaves than those of WT.

13p lyhuyenthu 31-01-2023 8 2   Download

In this study, Lythrum salicaria plant was tested in hydroponic culture to demonstrate its zinc accumulating capacity and tolerance to different zinc levels. Lythrum salicaria seedlings were grown in 10% Hoagland solution containing 0, 5, 10, 20, 30, 40, 50, 75, and 100 mg/L zinc, and 30 mg/L zinc with different pH levels (5, 6, and 7). Following this, the seedlings were harvested after 1st, 2nd, 4th and 7th days. Zinc caused significant decreases in the relative values of the mean root-shoot length and fresh weight of the plant (92 to 75%; 100 to 92%; 64.2 to 41.

10p langthannam 29-12-2021 8 0   Download

In this study, two indigenous Chlorella strains were evaluated for triacylglycerol (TAG) production and related parameters during 10 days of N-deprivation. The strains were identified based on morphological characteristics and genomic information, named as Chlorella sp. IMU12 and Chlorella sp. IMU17. Time-dependent reduction of growth was accompanied by decreased chlorophyll content, reduced oxygen evolution ratio, and elevated carotenoid content of both strains cultivated in N-free Bold’s basal medium.

10p tudichquannguyet 29-11-2021 12 2   Download

Heat stress one of the Environment stress comes under Abiotic stress. Heat stress is the major problem for wheat crops in the current climate whether as a result of increasing global warming. These changes affect negative possessions on crops such, physiological aspects. In that study, there are taken various physiological parameters for twelve wheat genotypes viz DBW17, PBW343, DBW71, DBW16, WH711, RAJ3765, PBW373, PBW502, C306, WH730, PBW233, and WH157.The chlorophyll content and photosynthetic rate, decrease in high temperature (37ºC). Chlorophyll content average was 37.

7p caygaocaolon11 21-04-2021 15 2   Download

An experiment was arranged in a factorial completely randomized design with an aim to investigate the effect of short term waterlogging on four popular Khariftomato cultivars of Odisha (Utkal Pallavi, Utkal Dipti, Utkal Kumari and Utkal Pragyan). 45 days old tomato plants were subjected to 15 cm of stagnant water for a period of 0,1,2 and 3 days. High survivability under 1 and 2 days of waterlogging were recorded in U.Kumari of about 80%and 60% respectively because of high adventitious root formation, whereas all the plants died under 3 days of waterlogging due to root hypoxia.

16p nguaconbaynhay7 15-08-2020 15 1   Download

The screening of thirty-two tomato genotypes for drought stress tolerance was done under pot culture conditions in polyhouse where drought stress was imposed at 15 days after transplanting based on two treatments viz., 100 per cent field capacity and 50 per cent field capacity by adopting factorial completely randomized block design with three replications.

11p angicungduoc6 20-07-2020 12 2   Download

The present field investigation resulted; highest plant height was recorded in KRL 99 while minimum in HD 2851. While less in tolerant varieties; KRL 3-4 and KRL 99 at 40 and 80 DAS. Water logging induced more reduction in tiller in susceptible variety HD 2009 followed by HD 2851 and very less reduction in tolerant varieties KRL 3-4 and KRL 99 at 40 and 80 DAS. The biomass plant-1 was more depleted in wheat susceptible varieties HD 2009 and HD 2851, while minimum in KRL 99 followed by KRL 3-4 at 40,80 DAS.

12p angicungduoc6 20-07-2020 10 1   Download

An experiment was carried out to study the effect of different holding solution combinations on vase life of cut carnation cv. Kiro. The flowers were kept under common holding solution (sucrose 4% + 8-HQS 200 ppm) along with GA3 at 25 ppm recorded the highest chlorophyll content of leaf (87.48 SPAD unit) on 2nd day and gradually decreased through vase life extends, whereas significantly the highest chlorophyll content of calyx (46.86 SPAD unit) extended through the vase life period resulting in reduced microbial count (1.00 × 10-5 cfu/ml) initially and (85.

6p cothumenhmong5 17-05-2020 15 2   Download

The present study focused on the influence of low pH on growth, specific biochemical parameters and antioxidants amongst Nostoc strains grown under control (pH 7.0) and low pH (pH 4.5) medium. Cell dry weight, chlorophyll content, total soluble proteins and extracellular ammonia release reduced due to low pH stress of growing media compared to control grown cultures. Nitrogenase activity was reduced in two and increased in remaining strains due to low pH.

10p trinhthamhodang5 16-05-2020 16 1   Download

An experiment was conducted at Agricultural college farm, Bapatla, Andhra Pradesh to study the „Assessment of effect of different dust (cement, stone crusher, and lime) pollutants at various levels on total chlorophyll content, transpiration rate and yield of blackgram (Phaseolus mungo L.). The experiment revealed that with an increase in applied dust leads to the decrease in total chlorophyll content and transpiration rate in plants that further engender lesser yields compared to the control.

7p nguathienthan4 21-04-2020 11 0   Download

Responses of 4 cultivars of rice viz. NDR-8002, TCA-48, IR-42 and BPT 5204 to varying levels of moisture deficit stress at flowering stage were assessed in the plastic tubs for their relative tolerance to drought. Moisture deficit adversely affected the apparent translocation rate, relative leaf water content, total chlorophyll content and total soluble carbohydrate content, while proline accumulation enhanced irrespective of varieties. Grain yield decreased conspicuously in all the varieties in response to water stress.

11p caygaocaolon2 11-03-2020 12 2   Download

The present investigation was undertaken in the Post – harvest Technology Laboratory of Horticulture Section, RCSM College of Agriculture, Kolhapur during 2017-18 to study effect of storage conditions on shelf life and quality of primary processed leafy vegetables. The treatment combination comprised of three storage conditions such as room temperature (RT), zero energy cool chamber (ZECC) and refrigerated storage (RS) and five different leafy vegetables such as fenugreek, coriander, spinach, pokala and rajgira in FCRD with three replications.

24p chauchaungayxua3 07-02-2020 20 1   Download

Considering lack of research on biochemical analysis of green tea manufactured by gradually increasing small tea growers of Assam and to know the changes of the phytochemicals taking place during traditional processing, the present investigation was carried out. The present investigation revealed that the phytochemicals in green tea changed significantly during processing from fresh leaves to final product. Due to processing, the constituents like ash, total chlorophyll content, total phenol, ascorbic acid and antioxidant activity in terms of DPPH scavenging decreased from 5.90% to 4.

8p nguaconbaynhay3 07-02-2020 20 2   Download

Fifteen chilli genotypes were screened for temperature resilience during summer season in of 2017-18. The genotypes were subjected to two temperature levels, i.e. optimum temperature (inside the growth chamber) and summer temperature (in open field condition). The characters like plant height, fruit length, fruit weight, pedicel length, number of seeds per fruit, rate of photosynthesis, chlorophyll, pollen fertility, pollen viability and fruit set per cent were decreased and leaf proline, leaf phenol and ascorbic acid were increased under high temperature stress.

8p nguaconbaynhay3 07-02-2020 19 1   Download

Chromium is a serious heavy metal and it is considered as an environmental hazard. The contamination of the soil environment with chromium compounds is more and more frequently occurring problem throughout the world. Toxicity effects of chromium on growth and development as it decrease the growth and biomass of plant.

17p cothumenhmong1 08-12-2019 12 1   Download

Water stress was imposed on four varieties of Indian mustard viz., PusaBahar, Varuna, Pusa Jai Kisan and PusaAgraniby withholding irrigation at 3 different stages of crop growth i.e., vegetative, reproductive and pod-filling stage. The maximum impact of water stress on total chlorophyll content was observed at pod filling stage. The total chlorophyll content decreased a maximum in cv. PusaAgrani and minimum in Pua Jai Kisan. Proline accumulation increased in all the test verities and maximum accumulation was observed at reproductive stage.

8p cothumenhmong1 08-12-2019 11 0   Download

Photosynthesis is an important physiological process in plants. It plays a crucial role in plant growth and development. In this study, we investigated the impact of zerovalent cobalt nanoparticles on the photosynthesis and expressing of gene involving in this process in leave of soybean Glycine max (L.) Merr “DT26” at different growth stages. The results showed that treatment of zerovalent cobalt nanoparticles made in Vietnam and USA (with two doses of 0.17 and 16.

12p gaunguyen6789 22-10-2019 21 1   Download

Compared with the control, chlorophyll a, b and carotenoid contents decreased significantly under pollution stress. Rate of photosynthesis and stomatal conductance dropped drastically, whereas CO2 level in the mesophyll increased at the polluted sites. The maximum adverse effects were observed at site B, situated 2 km from the emission source.

5p vibasque27 29-03-2019 19 0   Download

Cadmium is one of the most toxic heavy metals and affects all viable cells, even at low concentrations. It is introduced to agricultural soils mainly by phosphate fertilisers and causes many toxic symptoms in cells.

6p vi4mua 24-02-2019 14 0   Download

The response of mustard (Brassica juncea (L.) Czern & Coss cv. Varuna) to presowing seed treatment with sodium chloride (NaCl) was investigated. The plants raised from treated seeds were sprayed with water or 10-6 M GA3 at the 30- day stage. The seeds imbibed in 1 or 10 mM of NaCl resulted in a decrease in dry mass, leaf chlorophyll content.

4p vitamix 15-02-2019 15 0   Download