Pecan rosette : its histology, cytology, and relation to other chlorotic diseases . Freehand Vertical Sections of Pecan Leaves, FrotscherVariety. Semidiagrammatic cainera-lucida drawings of diseased and healthy leaves, showing tissuechanges due to rosette. Collected on August 25, 1919, at Thomasville, Ca. All of same mag-nification. The small side diagrams show the relative size and shape of the leaves and thelocations of the sections. A.—Section through the center of a thin, yellow area, showingclose packing of the cells and lack of differentiation. B.—Section at the margin of theyellow spot
Pecan rosette : its histology, cytology, and relation to other chlorotic diseases . Freehand Vertical Sections of Pecan Leaves, FrotscherVariety. Semidiagrammatic cainera-lucida drawings of diseased and healthy leaves, showing tissuechanges due to rosette. Collected on August 25, 1919, at Thomasville, Ca. All of same mag-nification. The small side diagrams show the relative size and shape of the leaves and thelocations of the sections. A.—Section through the center of a thin, yellow area, showingclose packing of the cells and lack of differentiation. B.—Section at the margin of theyellow spot in the green portion of a leaflet, showing the close packing of the cells andthe partial decrease in the long axis and increase in the short axis of palisade cells. C.—Sec-tion through a healthy leaflet, showing palisade and spongy tissue well developed and thelooser arrangement of the spongy cells, the narrower openings being intercellular —Section of a mottled, linear leaflet, showing the close packing of the cells and only partialdifferentiation of the palisa
Size: 2032px × 1230px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, bookpublisherwashi, bookyear1922
