claim: Uta Hagan was born on June 12th, 1919 on a Tuesday.
evidence: In botany , chlorosis is a condition in which leaves produce insufficient chlorophyll .. botany. botany. chlorophyll. chlorophyll. As chlorophyll is responsible for the green color of leaves , chlorotic leaves are pale , yellow , or yellow-white .. chlorophyll. chlorophyll. The affected plant has little or no ability to manufacture carbohydrates through photosynthesis and may die unless the cause of its chlorophyll insufficiency is treated , although some chlorotic plants , such as the albino Arabidopsis thaliana mutant ppi2 , are viable if supplied with exogenous sucrose .. chlorophyll. chlorophyll. photosynthesis. photosynthesis. Arabidopsis thaliana. Arabidopsis thaliana. exogenous. exogenous. Chlorosis is derived from the Greek khloros meaning ` greenish-yellow ' , ` pale green ' , ` pale ' , ` pallid ' , or ` fresh ' .. In viticulture , the most common symptom of poor nutrition in grapevines is the yellowing of grape leaves caused by chlorosis and the subsequent loss of chlorophyll .. chlorophyll. chlorophyll. viticulture. viticulture. This is often seen in vineyard soils that are high in limestone such as the Italian wine region of Barolo in the Piedmont , the Spanish wine region of Rioja and the French wine regions of Champagne and Burgundy .. Italian wine. Italian wine. Barolo. Barolo. Piedmont. Piedmont ( wine ). Spanish wine. Spanish wine. Rioja. Rioja ( wine ). French wine. French wine. Champagne. Champagne ( wine region ). Burgundy. Burgundy ( wine ). In these soils the grapevine often struggles to pull sufficient levels of iron which is a needed component in the production of chlorophyll .. chlorophyll. chlorophyll. iron. iron