The Cereal in America ...O. Judd Company, 1904 - 421 páginas |
Dentro del libro
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Página xvii
... Causes limiting distribution , p . 202 ; Influence of temperature , p . 204 ; Influence of climate upon habit of growth , p . 205 ; Influence of climate upon varieties , p . 205 ; Influence of climate upon com- position , p . 206 . Need ...
... Causes limiting distribution , p . 202 ; Influence of temperature , p . 204 ; Influence of climate upon habit of growth , p . 205 ; Influence of climate upon varieties , p . 205 ; Influence of climate upon com- position , p . 206 . Need ...
Página 18
... caused the peculiar modification . Some of these types have twenty or thirty varie- ties , so that there are probably over one hundred distinct forms from this one wild type . All of these forms are the result of long and patient ...
... caused the peculiar modification . Some of these types have twenty or thirty varie- ties , so that there are probably over one hundred distinct forms from this one wild type . All of these forms are the result of long and patient ...
Página 19
... causes of variabil- ity cannot be discussed here , but the following facts should guide the breeders of plants . 1. Horticulturists do take advantage of a superabundance of food in causing modification or multiplication of parts , such ...
... causes of variabil- ity cannot be discussed here , but the following facts should guide the breeders of plants . 1. Horticulturists do take advantage of a superabundance of food in causing modification or multiplication of parts , such ...
Página 21
... cause of variation . Some other cause must have operated to have produced the two unlike forms . In practice , however , crossing is a means of inducing variation , so as to enable the breeder to select forms more nearly suited to his ...
... cause of variation . Some other cause must have operated to have produced the two unlike forms . In practice , however , crossing is a means of inducing variation , so as to enable the breeder to select forms more nearly suited to his ...
Página 33
... that pod and seed are incorpo- rated in one body . The grain is longer than broad , hairy at the apex , slightly compressed laterally , has a deep furrow on the side opposite the embryo , causing a deep infolding STRUCTURE OF WHEAT 33.
... that pod and seed are incorpo- rated in one body . The grain is longer than broad , hairy at the apex , slightly compressed laterally , has a deep furrow on the side opposite the embryo , causing a deep infolding STRUCTURE OF WHEAT 33.
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Términos y frases comunes
aleurone aleurone layer barley bran breeding bushels bushels per acre cent cereals climate clover color common wheat corn crop crude fiber culm cultivated dent maize drill dry matter ears embryo endosperm farm feet field five flint flour flowering glume fodder four germination gliadin glumes gluten grade grain grass growing grown growth harrow harvested Hessian fly hull husk Illinois Station inches deep increase influence injury insects land less lime maize plant manure maturity method nitrogen North North Dakota oats obtained panicle percentage phosphoric acid plat plowing pollen pounds produced protein rachis rainfall rice ripening roots rows season seed bed selection silage smut soil sowing sown species spike spikelets spring wheat stalks starch Station found stover straw sweet maize tassel tion U. S. Dept usually variation vary weeds winter wheat yellow yield of grain yield of maize
Pasajes populares
Página 14 - What would be the result? In five staples only in the United States alone the inexhaustible forces of nature would produce annually without effort and without cost: « 5,200,000 extra bushels of corn : 15,000,000 extra bushels of wheat; 20,000,000 extra bushels of oats; 1,500,000 extra bushels of barley; 21,000,000 extra bushels of potatoes.
Página 343 - No. 3 barley shall Include slightly shrunken and otherwise slightly damaged barley not good enough for No. 2. No. 4 barley shall include all barley fit for malting purposes not good enough for No. 3. No. 5...
Página 275 - No. 3 Yellow Corn shall be three-fourths yellow, reasonably dry and reasonably clean, but not sufficiently sound for No. 2.
Página 14 - The vast possibilities of plant breedinig can hardly be estimated. It would not be difficult for one man to breed a new rye, wheat, barley, oats or rice which would produce one grain more to each head, or a corn which would produce an extra kernel to each ear, another potato to each plant, or an apple, plum, orange or nut to each tree. What would be the result?
Página 15 - But these vast possibilities are not alone for one year, or for our own time or race, but are beneficent legacies for every man, woman or child who shall ever inhabit the earth. And who can estimate the elevating and refining influences and moral value of flowers with all their graceful forms and bewitching shades and combinations of colors, and exquisitely varied perfumes?