Search results
Results from the WOW.Com Content Network
Sigatoka leaf spot disease (SD) is a disease of bananas and is caused by the ascomycetous fungus, Mycosphaerella musicola.This pathogen can be distinguished morphologically from Mycosphaerella fijiensis, which causes black leaf streak disease (BLSD), by the characteristics of the conidia and conidiophore.
Laminated root rot also known as yellow ring rot is caused by the fungal pathogen Phellinus weirii. Laminated root rot is one of the most damaging root disease amongst conifers in northwestern America and true firs , Douglas fir , Mountain hemlock , and Western hemlock are highly susceptible to infection with P. weirii .
Symptoms can overlap across causal agents, however differing signs and symptoms of certain pathogens can lead to the diagnosis of the type of leaf spot disease. Prolonged wet and humid conditions promote leaf spot disease and most pathogens are spread by wind, splashing rain or irrigation that carry the disease to other leaves.
The pathogen causes a disease originally named yellow spot but now commonly called tan spot, yellow leaf spot, yellow leaf blotch or helminthosporiosis. [2] [3] At least eight races of the pathogen are known to occur based on their virulence on a wheat differential set. [4] The tan (yellow) spot fungus was first described by Nisikado in 1923 in ...
Brachystegia spiciformis, commonly known as zebrawood, [2] or msasa, [3] is a medium-sized African tree having compound leaves and racemes of small fragrant green flowers. The tree is broad and has a distinctive amber and wine red colour when the young leaves sprout during spring (August–September).
The solution: You can remove old, yellow peace lily leaves with scissors or by pinching them off the plant with your fingers. This improves the look of your peace lily and redirects the plant’s ...
The common symptoms for BSMV are yellow streaks or spots, mosaic, leaves and stunted growth. It is spread primarily through infected seed and can be spread through mechanical transfer of an infected and uninfected host. Plants infected with BSMV are more symptomatic in warmer temperatures.
The heartwood is a pale golden yellow, distinct from the very pale color of the sapwood and features narrow streaks of dark brown to black. Zebrawood can also be a pale brown with regular or irregular marks of dark brown in varying widths. It is almost always quartersawn to get the exciting alternating color pattern.