The Cereals in AmericaOrange Judd Company, 1912 - 421 páginas |
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Página 29
... spikes may be produced from a single seed . This is known as tillering and is one of nature's methods of giving the plant power to adapt itself to its environment . Under ordinary field conditions only a comparatively few culms form ...
... spikes may be produced from a single seed . This is known as tillering and is one of nature's methods of giving the plant power to adapt itself to its environment . Under ordinary field conditions only a comparatively few culms form ...
Página 30
Thomas Forsyth Hunt. at least fifty - two spikes have been produced from a single seed . The " stand " of wheat may be materially affected by the amount of tillering , and , therefore , a study of those conditions which will promote ...
Thomas Forsyth Hunt. at least fifty - two spikes have been produced from a single seed . The " stand " of wheat may be materially affected by the amount of tillering , and , therefore , a study of those conditions which will promote ...
Página 31
... spike , or may be entirely wanting . In some varieties the awns are deciduous or partly so upon ripening . They vary in color from very light yellow to black . Organs of reproduction in wheat : a , ovulary ; b , styles and stigmas ; c ...
... spike , or may be entirely wanting . In some varieties the awns are deciduous or partly so upon ripening . They vary in color from very light yellow to black . Organs of reproduction in wheat : a , ovulary ; b , styles and stigmas ; c ...
Página 32
... spike- let , showing mode of at- tachment rachis . to 59. The Spike . These spikelets in the grass family are arranged in two ways , viz . , on a more : or less lengthened branch or rachilla , as in the oat , when the whole head is ...
... spike- let , showing mode of at- tachment rachis . to 59. The Spike . These spikelets in the grass family are arranged in two ways , viz . , on a more : or less lengthened branch or rachilla , as in the oat , when the whole head is ...
Página 33
... spike varies from three to four and a half inches , a common length being three and three- fourths inches . Hallet has reported raising a spike of wheat eight and three - fourths inches long and containing 123 grains produced by five ...
... spike varies from three to four and a half inches , a common length being three and three- fourths inches . Hallet has reported raising a spike of wheat eight and three - fourths inches long and containing 123 grains produced by five ...
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Términos y frases comunes
aleurone aleurone layer average barley bran breeding bushels bushels per acre carpels cent cereals chinch bug climate color common wheat corn crop crude fiber culm cultivated dent maize drill dry matter ears embryo endosperm feet fertilizers field five flour flowering glume fodder four germination gliadin glumes gluten grade grain grass grown growth harvested Hessian fly hull husk Illinois Station inches deep increase injury insects land less maize plant manure maturity medium method million bushels nitrogen North North Dakota oats obtained one-half outer glume panicle percentage plat plowing pollen pounds produced protein rachis rainfall Red Winter Wheat rice ripening roots rows season seed bed silage smut soil sowing sown species spike spikelets spring wheat stalks starch stover straw sweet maize tassel threshing tion U. S. Dept usually variation vary weeds winter wheat yellow yield of grain