... long endure the direct light and heat of the sun, they also avoid dark shade. At midday they are more abundant upon the under side of exposed leaves, and although they at all times show a marked preference for light, they desert those | parts of leaf... Florida Fruits and how to Raise Them - Página 118por Helen Harcourt - 1886 - 347 páginasVista completa - Acerca de este libro
| U.S Department of Agriculture - 1884 - 752 páginas
...several weeks previous. they at all times show a marked preference for light, they desert those parts of leaf or fruit upon which it falls brightest. On a...edges of the leaf throw upon one side or the other. Rings of Rust on Fruit. — On the fruit, this preference of the mites for half shade, causes. a phenomenon... | |
| United States. Department of Agriculture - 1884 - 760 páginas
...leaves, and although they at all times show a marked preference for light, they desert those | parts of leaf or fruit upon which it falls brightest. On a...edges of the leaf throw upon one side or the other. Rings of Riist on Fruit. — On the fruit, this preference of the mites for half shade, causes a phenomenon... | |
| United States. Department of Agriculture - 1884 - 756 páginas
...several weeks previene. (hey at all times show a marked preference for light, they desert those parts of leaf or fruit upon which it falls brightest. On a...edges of the leaf throw upon one side or the other. Rings of Rust on Fruit. — On the fruit, this preference of the mites for half shade, causes a phenomenon... | |
| government printing office - 1884 - 732 páginas
...leaves, and although tbey at all times show a marked preference for light, they desert those parts of leaf or fruit upon which it falls brightest. On a leaf partially exposed to the sun, the vnites congregate near one edge in the morning, ami in the afternoon cross to the opposite side of... | |
| United States. Department of Agriculture - 1884 - 744 páginas
...prefereuee for light,- they desert those parts of Ira'f or fruit upon which it falls brightest. On-a leaf partially exposed to the sun, the mites congregate near one edge in tbe niuruing, iiixl in the. afternoon cross to the opposite side of the same surface, following the... | |
| Henry Guernsey Hubbard - 1885 - 278 páginas
...leaves, and although they at all times show a marked preference for light, they desert those parts of leaf or fruit upon which it falls brightest. On a...curvature, the edges of the leaf throw upon one side or the other.t Rings of Rust on Fruit. — On the fruit, this preference of the Mites for half shade canses... | |
| Henry Guernsey Hubbard - 1885 - 276 páginas
...leaves, and although they at all times show a marked preference for light, they desert those parts of leaf or fruit upon which it falls brightest. On a...its curvature, the edges of the leaf throw upon one side'or the other.t Rings of Rust on Fruit. — On the fruit, this preference of the Mites for .half... | |
| Helen Garnie Warner - 1886 - 366 páginas
...greatly exceeded. At times an orange tree may be so completely infested with the mites that, of its thousands of leaves, very few can be found free from...edges of the leaf throw upon one side or the other. circling the orange, as the ecliptic does the earth. The rust ring is seen most plainly on the fruit... | |
| 1884 - 814 páginas
...leaves, and although they at all times show a marked prefereuco for light, they desert those parts of leaf or fruit upon which it falls brightest. On a...mites congregate near one edge in the morning, and iu the afternoon cross to the opposite side of the same surface, following the shifting shade which,... | |
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