Aims: Salinity is one of the major abiotic stress that negatively affects plant growth in germination and early seedling stages. Salinity has becoming a serious problem as most of the parts of worldwide lands were affected by high salt concentration. Therefore, the effects of sal...
Open access
Research Article10.9734/arrb/2019/v31i530060
Mohd Hafiz Ibrahim, Rosimah Nulit, Puteri Edorayati Megat Wahab, Tuan Sharipah Najihah, Afifah Razak & Nurul Amalina Mohd Zain·Annual Research & Review in Biology·2018
Aims: This study was conducted to characterize the growth patterns of tenera oil palm seedlings performance (Deli AVROS) under elevated CO2, that is expected to increase in the future due to climate change. Study Design: The palms were exposed to three carbon enrichment treatment...
Open access
Research Article10.9734/ARRB/2018/42001
Mohd Hafiz Ibrahim, Rosimah Nulit, Puteri Edorayati Megat Wahab, Tuan Sharipah Najihah, Afifah Razak & Nurul Amalina Mohd Zain·Asian Journal of Research in Crop Science·2018
Aims: This study was conducted to characterise the growth, carbohydrate and leaf gas exchange patterns of oil palm seedlings performance (Deli Yangambi) under nitrogen fertilisation. Study Design: The palms were fertilised with three nitrogen rates: (1) Control (90 g/palm); (2) t...
Open access
Research Article10.9734/AJRCS/2018/42492
Aims: This study was conducted to investigate the effect of salinity by using a different concentration of sodium chloride (NaCl), on growth, chlorophyll fluorescence and secondary metabolites production of Centella asiatica. Study Design: Centella asiatica plants were exposed to...
Open access
Research Article10.9734/ARRB/2018/41014
Aims: To study the effect of different nitrogen fertilizer rates on growth, carbon assimilation and biochemical changes of Polygonum minus. Study Design: Polygonum minus were treated with different nitrogen fertilizer (0 kg N ha-1, 50 kg N ha-1, 100 kg N ha-1 and 150 kg N ha-1) u...
Open access
Research Article10.9734/ARRB/2018/41106
Aims: The study was conducted to investigate the impact of nitrogen fertilization on growth, leaf gas exchange and bio-metabolite accumulation in Ipomea aquatica. Treatment and Experimental Design: Ipomea aquatica plants were exposed to four different rates of nitrogen (0, 30, 60...
Open access
Research Article10.9734/ARRB/2018/40352
Aims: The aim of this study was to investigate different levels of CO2 availability alters total phenolic and flavonoid, total available carbohydrate (TAC) and to determine how elevated CO2 influences gas exchange of Labisia pumila seedlings. Study Design: The 3-months Labisia pu...
Open access
Research Article10.9734/ARRB/2017/36673
Aims: An experiment was carried out to examine the impact of increased CO2 level on gas exchange characteristics and stomatal properties of three oil palm progenies (Deli URT, Deli Yangambi and Deli AVROS). The seedlings were exposed to three CO2 enrichment treatments: ambient CO...
Open access
Research Article10.9734/ARRB/2017/36488
Mohd Hafiz Ibrahim, Ahmad Ismail, Hishamuddin Omar, Mohd Noor Hisham Mohd Nadzir & Nurul Amalina Mohd Zain·Annual Research & Review in Biology·2017
Aims: This study was conducted to evaluate the effects of cadmium (0, 3,6, 9 mg/kg) on the primary, secondary metabolites, biochemical and antioxidant activity in Orthosiphon stamineus. Study Design: Orthosiphon stamineus seedlings were exposed to four levels of Cd (0, 3, 6 and 9...
Open access
Research Article10.9734/ARRB/2017/36413
Aims: This study was designed to investigate how CO2 and nitrogen availability alters growth, leaf gas exchange, primary and secondary metabolites production (total phenolics and flavonoid) in three varieties of L. pumila. namely var alata, var pumila and var lanceolata. under CO...
Open access
Research Article10.9734/ARRB/2017/36540
Aims: This experiment was conducted to investigate and distinguish the relationships in the production of total phenolics, total flavonoids, chlorophyll content, total biomass, leaf area, leaf nitrate, proline, net photosynthesis and chlorophyll fluorescence parameters under thre...
Open access
Research Article10.9734/ARRB/2017/36401
Aims: The aim of this study is to find out the results of proximate analysis, antioxidant activity and mineral composition of leaves and rhizomes of Donax grandis (locally known as Bemban), an underexploited herbaceous plant that is usually used to cure shingles and snake bites i...
Open access
Research Article10.9734/ARRB/2017/36041
Aims: The primary aim of this work was to investigate the impact of foliar application of SA on the leaf gas exchange, the accumulation of secondary metabolites and Lipoxygenase Inhibitory activity (LOX) in medicinal plant C. asiatica. Study Design: The study used randomized comp...
Open access
Research Article10.9734/ARRB/2017/36153
Rukhsar- E- Rashim Mohammed Yusufirashim, Mohd Hafiz Ibrahim, Che Azurahanim Che Abdullah & Ayu Azera Izad·Annual Research & Review in Biology·2019
Aims: To characterize the growth, carbon assimilation and quality of Ipomoea aquatica as influenced by magnetic nanoparticles (MNP) application as well as to determine the best rates of iron oxide nanoparticles that give high growth, carbon assimilation and quality of Ipomoea aqu...
Open access
Research Article10.9734/arrb/2019/v31i630065
Aims: This study was conducted to investigate the effect of zinc oxide nanoparticles towards the Persicaria minor that can be used as a guidance for further toxicity investigation of ZnO-NPs. Study Design: A Completely Randomized Block Design (RCBD) was used with three replicatio...
Open access
Research Article10.9734/arrb/2019/v31i530062
Aims: To investigate the physiological, leaf gas exchange and quality of Centella asiatica (pegaga) under different nitrogen fertilization rates. Study Design: Centella asiatica were exposed to four different nitrogen fertilization rates (0, 50, 100, 150 kg/ha) using urea (46% N)...
Open access
Research Article10.9734/ARRB/2018/41848
Aims: An experiment was conducted to investigate the effect of a wide range of temperatures on the growth and physiology of Theobroma cacao, to study the differences between night and day temperatures and to determine the optimum temperature for the cocoa growth. Study Design: Th...
Open access
Research Article10.9734/ARRB/2018/40413
Aims: This study was conducted to study the growth, leaf gas exchange and secondary metabolites of Orthosiphon stamineus as affected by Multiwalled carbon nanotubes application (MWCNT). Study Design: Orthosiphon stamineus were exposed to four different multi-walled carbon nanotub...
Open access
Research Article10.9734/ARRB/2018/38113
Aims: To determine the impact of Pb on seed germination and early seedling development in A. auriculiformis species. Place and Duration of Study: The study was carried out in Department of Biology, University Putra Malaysia, between April 2016 and February 2017. Methodology: The...
Open access
Research Article10.9734/ARRB/2018/43393
Aims: The aim of the experiment was to investigate the effect of thiourea on physiological characteristics of two rice (Oryza sativa L.) varieties under impact of salinity. Study Design: Experiment includes two rice varieties named as B-515 and KS-282, salinity level of 150 mM, t...
Open access
Research Article10.9734/ARRB/2018/41352