Breeding Crop Plants
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In our eReader you can find the full English version of the book. Read Breeding Crop Plants Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Breeding Crop Plants
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Although tobacco is naturally self-fertilized, the plants were bagged to insure self-fertilization. The behavior of the parental forms selected in a plus direction is shown. It is obvious from the data presented that tobacco, like other self- fertilized crops, does not respond to selection within a pure line; at least not to a degree which would encourage the plant breeder to use this method of seeking improvement. (See Table XXII. ) Love and Craig (1918b) recently reported on the effect of sel...ection for height of plant within a pure line of oats. No evi- dence of selective effect was obtained, as is shown in Table XXIII. TABLE XXIII. SELECTION FOR HEIGHT WITHIN A PURE LINE OF OATS Average height of parents Average height of offspring Year selected, in cm. Produced, in cm. Tall line Short line Tall line Short line 1913 1914 1915 1916 Average. . 85. 8 86. 9 94. 9 97. 1 58. 8 60. 4 67. 8 74. 9 74. 2 82. 6 89. 4 95. 9 75. 7 82. 9 88. 8 94. 5 91. 2 65. 5 85. 5 85. 5 An average difference of 25.
What to read after Breeding Crop Plants?
You can find similar books in the "Read Also" column, or choose other free books by Herbert Kendall Hayes to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Although tobacco is naturally self-fertilized, the plants were bagged to insure self-fertilization. The behavior of the parental forms selected in a plus direction is shown. It is obvious from the data presented that tobacco, like other self- fertilized crops, does not respond to selection within a pure line; at least not to a degree which would encourage the plant breeder to use this method of seeking improvement. (See Table XXII. ) Love and Craig (1918b) recently reported on the effect of sel...ection for height of plant within a pure line of oats. No evi- dence of selective effect was obtained, as is shown in Table XXIII. TABLE XXIII. SELECTION FOR HEIGHT WITHIN A PURE LINE OF OATS Average height of parents Average height of offspring Year selected, in cm. Produced, in cm. Tall line Short line Tall line Short line 1913 1914 1915 1916 Average. . 85. 8 86. 9 94. 9 97. 1 58. 8 60. 4 67. 8 74. 9 74. 2 82. 6 89. 4 95. 9 75. 7 82. 9 88. 8 94. 5 91. 2 65. 5 85. 5 85. 5 An average difference of 25.
What to read after Breeding Crop Plants?
You can find similar books in the "Read Also" column, or choose other free books by Herbert Kendall Hayes to read onlineMoreLess
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