Stem rust fungus. Different from most fungi, the rust variations have five spore stages and alternate between two hosts. Wheat is the primary host, and barberry is the alternate host. There are multiple pathotypes (including QCC and MCC) affecting barley, within "forma specialis tritici". The stem rust fungus attacks the parts of the plant that are above ground. Spores that land on green wheat plants form a pustule that invades the outer layers of the stalk. Infected plants produce fewer tillers and set fewer seed, and in cases of severe infection the plant may die. Infection can reduce what is an apparently
Causes of poverty all causes and effects of poverty. One of South Africa's major causes and effects of poverty is unemployment. Unemployment causes families to live in unsanitary conditions because a lack of financial means to improve living conditions. If the parents are unemployed, this can also affect how the child is brought up and what kind of education they receive. This issue has been recognized by the South African government and they have created organisations like the Expanded Public Works Program, also known as the EPWP. This program is an important gateway to labor absorption and provides income for poor families. Poverty