2.4 Factors that Affect Colletotrichum sp. Infection and Growth Factors that affect Colletotrichum growth and infection include inoculum concentration, wetness duration, temperature, age of plant, resistant plant cultivar, pH, nutrient and light. 2.4.1 Inoculum density One of the main factors that facilitate Colletotrichum sp. infection and growth is inoculum density. Up till now, according to Diéguez-Uribeondo et al. (2011), disease severity increased exponentially with increasing…
The easiest way to explain transpiration is to think of it as plant evaporation. Transpiration as a whole is the general cycle for water regarding plants, this includes the movement of water throughout the plant itself and the movement of water leaving the organism. However, most definitions of transpiration focus on aerial parts such as the stomata on the leaves. The adhesion and cohesion of water is something very important to life. It is these properties that allow the movement of water…
CONSISTENCY LIMITS OF A SOIL 3.1 Introduction 3.1.1 Objective To determine the Atterberg Limits of Soils 3.1.2 Learning Outcomes Understand the Principle of Consistency and Atterberg Limits of Clay Soils Describe the Atterberg Limit Tests and their uses Perform the tests and obtain the Atterberg Limits Calculate some Indices (Flow Index, Plasticity Index and Toughness Index) for the Clay Soil 3.1.3 Consistency indices Fine-grained soils are formed in nature by the gradual deposition of soil…
part besides the absence of domesticated cereals, pulses, and animals that resulted in a loss of protein in the highlands and limitations for root crops at high elevations. The final agricultural region was the eastern United States. They had rich soils and a suitable climate that was perfect for farming. No matter what was happening, the eastern United States never overlooked potential major crops among the wild species around them and therefore took advantage of the most promising wild plants.…
Cooling temperatures and damp soil encourage strong root development. Consider following their advice and planting shrubs in the early fall to give the plants a head start at establishing roots in the season's chilly, moist earth. Don’t forget about hardscaping this fall season. Sidewalks…
In order to properly grow, plants need certain macronutrients and micronutrients. They need the macronutrients: nitrogen, phosphorous, potassium, calcium, sulfur, magnesium; and the micronutrients: boron, chlorine, manganese, iron, zinc, copper, molybdenum, and nickel. (3). Fertilizer enhances the growth rate of plants. Fertilizer adds nutrients and modifies the water retention and aeration of plants. Fertilizer contains three main macronutrients: nitrogen for leaf growth; phosphorus for the…
On 11 March 2011, a magnitude 9.0 earthquake and resulting tsunami occurred off the east coast of Japan. The tsunami resulted in extensive flooding along the east coast of Japan. Located near the towns of Ōkuma and Futaba on the east coast of Japan the Tokyo Electronic Power Company’s (TEPCO) Fukushima Dai-ichi Nuclear Power Plant (FDNPP) sustained substantial damage. The FDNPP consists of six individual nuclear power reactors. Planned maintenance was being performed on reactors 4, 5 and 6.…
Landscaping companies provide more than just lawn design and maintenance. Discover the diverse outdoor services provided by landscaping businesses. For many people, the word "landscaping" brings to mind vast lawns, carefully placed trees, and impeccably maintained flower beds and shrubs. While this vision is not incorrect, it is incomplete. A landscaping service can absolutely design and maintain large-scale outdoor landscapes. However, they can also handle the design and upkeep of small areas,…
Pine Island. We traveled swiftly despite the winds and searched for a spot to unload our canoes; the island itself is very rocky which made this task a little more challenging. This old-growth forested island is covered in a duff layer which is the “soil” and was laid down by the glaciers. This is where the plants and seedlings take root which is surprising because it was such a thin layer. It took hundreds and hundreds of years to lay this layer down, and it is very delicate. Not unlike the…
and lawn also help cool the simmering summer heat by proving green roof. For example, lawns have been shown to be 14 degrees cooler than bare soil and 30 degrees than asphalt during summer. Trees and shrubs offer several benefits including: • Privacy and tranquility • Rainfall retention • Natural conservation resource • Reduces temperature • Prevents soil erosion • Fights pollution • Enhances landscaping • Provides shelter and food Green spaces offer privacy and tranquility by blocking…