Nanoparticles (NPs) are becoming increasingly widespread in the environment. Free cadmium ions released from commonly used NPs under ultraviolet-B (UV-B) radiation are potentially toxic to living organisms. With increasing levels of UV-B radiation at the Earth's surface due to the depletion of the ozone layer, the potential additive effect of NPs and UV-B radiation on plants is of concern. In t...

The study was undertaken to assess whether seedling age played any role in governing the vulnerability of tomato to the bacterial wilt pathogen, Ralstonia solanacearum, based on the preliminary observations that the extent of mortality during seedling-stage screening was relatively less in older seedlings. Employing the virulent strain ‘NH-Av01’ isolated from tomato, 2-, 3-, 4or 5-weekold seedl...

In 2018–2019, establishment problems were encountered, after reseeding creeping bentgrass (Agrostis stolonifera) on a sand-based putting green ice encasement at the NIBIO Turfgrass Research Center, Norway. Seeds germinated, but seedlings attained purple color and died in large patches. Replacement of top 3 cm layer with new sand amended Sphagnum peat or garden compost did not solve problem. To ...

Objective: To determine the effect of pruning on seedlings Jatropha curcas L. during nursery stage.Design/Methodology/Approach: thenursery stage, a study was carried out at CPA “Abel Santamaría” Martí municipality,Cuba. A complete randomized design used. Three treatments (T) were tested: 1) control (without pruning),2) 30 cm above soil and seedling defoliation, 3) without seedlingdefoliation. d...

Effects of salinity on seed germination and growth of young (1 month old) and old (2-year old) seedlings of Excoecaria agallocha were investigated. Combined effects of salinity and nutrient level were also examined on old seedlings. Seed germination was best at 0 and 5 psu salinity. 15 psu salinity significantly delayed root initiation and decreased final establishment rate. All seeds failed to...

Pot experiment was conducted to find out the competence of some commercial product Trichoderma spp. on management root knot nematode in tomato crop. The RCBD having seven treatments six different including one control three replications. Each treatment had five pots. Twenty days old seedling Shrijana hybrid transplanted and inoculated with 1500 eggs Meloidogyne soil after transplanting seedling...

In plants, the nitrate transporters, NRT1.1 and NRT2.1, are mainly responsible for nitrate uptake. Intriguingly, both nitrate transporters are located in a complementary manner in different cells layers of the mature root suggesting that their coordination should occur during nitrate uptake and plant growth. This hypothesis was examined on 5-d-old rape seedlings grown on agar medium supplemente...

The growth performance of Rhizophora apiculata Blume (mangrove) seedlings in the presence and absence of exogenous gibberellic acid (GA3) under different combinations of salinity and light was analyzed. Root and shoot growth responses of 75-day old seedlings in liquid-culture, were measured. It was concluded that light exhibited a significant inhibitory effect on all the growth parameters-numbe...

were exposed to two concentrations of atmospheric CO2 (365 or 720 μmol mol) in combination with two N treatments (40 or 400 kg N ha year) and two irrigation treatments (target values of −0.5 or −1.5 MPa xylem pressure potential) in opentop chambers from March 1993 through November 1994. Irrigation treatments were imposed after seedling establishment (i.e., 19 weeks after planting). Seedlings we...

The literature covering the biology, ecology, horticulture, and conservation of critically endangered tree Serianthes nelsonii Merr. was reviewed. roots, stems, leaves this charismatic legume revealed highly plastic traits responded positively to horticultural manipulations improve quality container-grown transplants. Pre-sowing seed treatments coat scarification 1 h imbibition generated 85% 90...