Effect of Pre-Germination Treatments on Germination and Watering Regimes on the Early Growth of Pycnanthus Angolensis (Welw) Warb

Abstract

6%), control (fresh) (3.3%) and control (old) (0%). At the termination of growth study, seedlings had a mean height of 21.15cm, 13.15cm and 11.62cm; mean collar girth of 3.83mm, 3.53mm and 3.51mm; mean number of leaves of 4.96, 4.70 and 4.62, fresh weight of 24.30, 18.30 and 12.75 and a dry weight of 11.45, 8.3 and 6.2

Effects of Different Treatments on Seed Germination and Improvement of <i>Vitellaria paradoxa</i>

“…This is due to the fact that the endosperm received water and oxygen easily which enhanced physiological activities necessary for germination. Similar observation was reported by [10], that removal of seed coat enhances germination. Even though de-shelled seeds germinated faster, their germination percentage is less compared to other treatments.…”

Effects of Water Stress on Growth and Chlorophyll Contents of Ocimum gratissimum L. (Basil) [Lamiaceae]

“…When plants are under extreme water stress, they often reduce their leaf area, stop producing new leaves, or drop their older leaves to conserve water [3] . Results of the present study are in line with the findings of Gonzales et al [30] , Oboho and Igharo [26] , Olubode et al [29] , Ogunrotimi and Kayode [28] , Adelani [31] who reported that regular watering enhanced leaf area and photosynthesis in plants.…”

“…This agrees with the submissions of Adelani [21] and Dauda et al [22] who reported a significant number of leaves in Citrus tangelo, Abelmoschus esculentus, Chocorus olitorus, Telferia spp and Amaranthus spp watered daily. Also, various investigators [23][24][25][26][27][28] have reported the highest number of leaves in plants exposed to regular watering and decreased leaf number under water stress. The significant number of leaves recorded in VWO followed by AWO could also be an indication that O. gratissimum requires enough water for proper growth and development and could be attributed to available nitrogen in the soil which was aided by its dissolution potential in soil watered daily and this facilitates its uptake.…”

Effect of Different Irrigation Periods and Mulching on Growth of Paulownia tomentosa (Thunb.) Steud. Seedlings.

“…The results also demonstrated that the leaf area was dramatically reduced with increasing periods of irrigation especially when the seedlings were no mulched. This indicated that in order to enhancing leaf area the seedlings should be watered daily and mulched with hay because availability of water content in the soil is an essential factor to perform physiological process sufficiently in the plant (Oboho and Igharo, 2017) and mulching has a critical role in water conservation, and adding nutrients to the soil during the hay decomposed (Saeed and Ahmad, 2009).…”

“…Water availability is a significant concern, particularly in forestry and nursery produced seedlings in dry regions. Water is a main component of all living creatures and plays a significant role in metabolic processes (Oboho and Igharo, 2017). Water is vital to plant growth because it regulates the rate of transpiration, which has an impact on the influx of nutritional solutions (Aderounmu et al, 2017).…”