The Cereals in AmericaOrange Judd Company, 1908 - 421 páginas |
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Página 16
... pollen of plants cannot ordinarily be confined , while the male domestic animal can be tied up by a halter or confined in a yard . In some plants like maize which is wind - fertilized we have no knowl- edge of the plant from which the ...
... pollen of plants cannot ordinarily be confined , while the male domestic animal can be tied up by a halter or confined in a yard . In some plants like maize which is wind - fertilized we have no knowl- edge of the plant from which the ...
Página 22
... pollen ) may be known , there is no cer- tainty that the plant will transmit the characters which it pos- sesses . Different grains from the same head of wheat are known to yield unequally . Some variations are easily fixed : others ...
... pollen ) may be known , there is no cer- tainty that the plant will transmit the characters which it pos- sesses . Different grains from the same head of wheat are known to yield unequally . Some variations are easily fixed : others ...
Página 24
... pollen . De- scribe the pollen grain . For a portion of this work a high power microscope will be desirable . A two- inch , two - thirds - inch and one - sixth objectives will be found suitable . With a large class specimens may be ...
... pollen . De- scribe the pollen grain . For a portion of this work a high power microscope will be desirable . A two- inch , two - thirds - inch and one - sixth objectives will be found suitable . With a large class specimens may be ...
Página 25
... pollen . Hays has shown that this whole process may take place in less than an hour in spring wheat and that it usually occurs in the early morning hours .划 4-40 AM 4-43 A.M. 4-45 AM . 4-47 AM 4-55 AM 5-08 AM . 5-15 AM 5-18 AM . The ...
... pollen . Hays has shown that this whole process may take place in less than an hour in spring wheat and that it usually occurs in the early morning hours .划 4-40 AM 4-43 A.M. 4-45 AM . 4-47 AM 4-55 AM 5-08 AM . 5-15 AM 5-18 AM . The ...
Página 30
... pollen falls out of 1 Neb . Bul . 32 , p . 91 . 2 Minn . Bul . 62 ( 1899 ) , p . 407 . 3 NOTE : The word ovulary is here used in its proper sense , instead of the term ovary which is so often incorrectly used . the slits which are ...
... pollen falls out of 1 Neb . Bul . 32 , p . 91 . 2 Minn . Bul . 62 ( 1899 ) , p . 407 . 3 NOTE : The word ovulary is here used in its proper sense , instead of the term ovary which is so often incorrectly used . the slits which are ...
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Términos y frases comunes
aleurone average barley bran broom corn buckwheat bushels bushels per acre cent cereals chinch bug climate color corn crop crude fiber culm cultivated dent maize drill dry matter ears embryo endosperm Expt Farms Rpt feeding feet fertilizers field five flint flour flowering glume fodder four germination gluten grade grain grass grow grown growth harvested Hessian fly hull husk Illinois Illinois Station inches deep increase injury insects Kafir kernel land less maize maize plant manure maturity method nitrogen North oats obtained Ohio one-half Ontario Agricultural College outer glumes panicle percentage plat plowing pollen pounds produced protein rachis rainfall rice ripening roots rows season silage six-rowed smut soil sorghum sowing sown species spike spikelets stalks starch stover straw sweet maize threshing tion U. S. Dept usually variation varieties vary weeds weight per bushel winter wheat yellow yield of grain
Pasajes populares
Página 341 - No. 2 barley shall be sound, of healthy color, not plump enough for No. 1, reasonably clean and reasonably free from other grain. No. 3 barley shall Include slightly shrunken and otherwise slightly damaged barley not good enough for No. 2. No.
Página 341 - 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 273 - No 1 white corn shall be sound, dry, plump and well cleaned. No. 2 WHITE CORN— No.