The Cereals in AmericaOrange Judd Company, 1908 - 421 páginas |
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Página 19
... producing variations , viz .: Environment , such as soil , climate , space , cultivation , etc. 2. Crossing . 40 . The Influence of Environment . - The causes of variabil- ity cannot be discussed here , but the following facts should ...
... producing variations , viz .: Environment , such as soil , climate , space , cultivation , etc. 2. Crossing . 40 . The Influence of Environment . - The causes of variabil- ity cannot be discussed here , but the following facts should ...
Página 20
... produced branched roots of only moderate sugar content , because the descendants had reassumed their true characters when they were released from the restraint which had been artificially imposed upon the parent plants . " 41. Change of ...
... produced branched roots of only moderate sugar content , because the descendants had reassumed their true characters when they were released from the restraint which had been artificially imposed upon the parent plants . " 41. Change of ...
Página 21
... 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 ideal . This is shown by Hays ' in the case of a hybrid between ...
... 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 ideal . This is shown by Hays ' in the case of a hybrid between ...
Página 23
... produced the heaviest yield of maize . This ear weighed 14 per cent less than the average weight of the fourteen ears and yielded 32 per cent more than the average yield of the same fourteen ears . This testing of the power of plants to ...
... produced the heaviest yield of maize . This ear weighed 14 per cent less than the average weight of the fourteen ears and yielded 32 per cent more than the average yield of the same fourteen ears . This testing of the power of plants to ...
Página 24
... produced in such abundance and at so small expense that only the few at the upper end of the curve which are distinctly superior need be saved . Instead of discarding the poorest ten per cent , as in the case of animals , only the best ...
... produced in such abundance and at so small expense that only the few at the upper end of the curve which are distinctly superior need be saved . Instead of discarding the poorest ten per cent , as in the case of animals , only the best ...
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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.