The Cereals in AmericaOrange Judd Company, 1915 - 421 páginas |
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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 . I. 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 . I. 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 average barley bran breeding bushels bushels per acre butt carpels cent cereals chinch bug climate color common wheat corn crop crude fiber culm cultivated dent maize drills dry matter ears embryo endosperm fertilizers field five flint maize flour flowering glume fodder four gliadin glumes gluten grade grain grass grown growth Hessian fly husk Illinois Station inches deep increase insects land leaf less maize plant manure maturity million bushels nitrogen North North Dakota oats Ohio one-half outer glume percentage phosphoric acid plat plowing pollen pop maize pounds produced protein rachis rainfall Red Winter Wheat ripening roots rows season selection silage smut soil sown species spike spikelets spring wheat stalks starch stover straw sweet maize tassel tion U. S. Dept usually variation varieties of wheat vary weight winter wheat yellow yield of grain