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The Effects of Cross & Self-Fertilisation in the Vegetable KingdomDarwin, Charles

Science

The Effects of Cross & Self-Fertilisation in the Vegetable Kingdom

Name: The Effects of Cross & Self-Fertilisation in the Vegetable Kingdom
Author: Darwin, Charles

Darwin, Charles

Fertilization of plants; Plants -- Variation; Pollination

Pisum sativum--offspring from a cross between two closely allied
varieties, compared with the self-fertilised offspring of one of the
varieties, or with intercrossed plants of the same stock:
  ?  :        :   ?  :        :  60 to 75.

Lathyrus odoratus--offspring from two varieties, differing only in
colour of their flowers, compared with the self-fertilised offspring of
one of the varieties: in first generation:
   2 :  79.25 :    2 :  63.75 :  80.

Lathyrus odoratus--offspring from two varieties, differing only in
colour of their flowers, compared with the self-fertilised offspring of
one of the varieties: in second generation:
   6 :  62.91 :    6 :  55.31 :  88.

Petunia violacea--offspring of plants self-fertilised for four
generations and then crossed by a fresh stock, compared with plants of
the fifth self-fertilised generation, in height:
  21 :  50.05 :   21 :  33.23 :  66.

Petunia violacea--offspring of plants self-fertilised for four
generations and then crossed by a fresh stock, compared with plants of
the fifth self-fertilised generation, in weight:
  .. :     .. :   .. :     .. :  23.

Petunia violacea--offspring of plants self-fertilised for four
generations and then crossed by a fresh stock, compared with plants of
the fifth self-fertilised generation, grown in open ground, in height:
  10 :  36.67 :   10 :  23.31 :  63.

Petunia violacea--offspring of plants self-fertilised for four
generations and then crossed by a fresh stock, compared with plants of
the fifth self-fertilised generation, grown in open ground, in weight:
  .. :     .. :   .. :     .. :  53.

Petunia violacea--offspring of plants self-fertilised for four
generations and then crossed by a fresh stock, compared with plants of
the fifth self-fertilised generation, grown in open ground, in
fertility:
  .. :     .. :   .. :     .. :  46.

Petunia violacea--offspring of plants self-fertilised for four
generations and then crossed by a fresh stock, compared with plants of
the fifth intercrossed generation, in height:
  21 :  50.05 :   22 :  54.11 : 108.

Petunia violacea--offspring of plants self-fertilised for four
generations and then crossed by a fresh stock, compared with plants of
the fifth intercrossed generation, in weight:
  .. :     .. :   .. :     .. : 101.

Petunia violacea--offspring of plants self-fertilised for four
generations and then crossed by a fresh stock, compared with plants of
the fifth intercrossed generation, grown in open ground, in height:
  10 :  36.67 :   10 :  38.27 : 104.

Petunia violacea--offspring of plants self-fertilised for four
generations and then crossed by a fresh stock, compared with plants of
the fifth intercrossed generation, grown in open ground, in weight:
  .. :     .. :   .. :     .. : 146.

Public-domain text, read in full here on John Shaqi.

Opening the text

The Effects of Cross & Self-Fertilisation in the Vegetable KingdomDarwin, Charles

Science

The Effects of Cross & Self-Fertilisation in the Vegetable Kingdom

Darwin, Charles

Fertilization of plants; Plants -- Variation; Pollination

Pisum sativum--offspring from a cross between two closely allied
varieties, compared with the self-fertilised offspring of one of the
varieties, or with intercrossed plants of the same stock:
  ?  :        :   ?  :        :  60 to 75.

Lathyrus odoratus--offspring from two varieties, differing only in
colour of their flowers, compared with the self-fertilised offspring of
one of the varieties: in first generation:
   2 :  79.25 :    2 :  63.75 :  80.

Lathyrus odoratus--offspring from two varieties, differing only in
colour of their flowers, compared with the self-fertilised offspring of
one of the varieties: in second generation:
   6 :  62.91 :    6 :  55.31 :  88.

Petunia violacea--offspring of plants self-fertilised for four
generations and then crossed by a fresh stock, compared with plants of
the fifth self-fertilised generation, in height:
  21 :  50.05 :   21 :  33.23 :  66.

Petunia violacea--offspring of plants self-fertilised for four
generations and then crossed by a fresh stock, compared with plants of
the fifth self-fertilised generation, in weight:
  .. :     .. :   .. :     .. :  23.

Petunia violacea--offspring of plants self-fertilised for four
generations and then crossed by a fresh stock, compared with plants of
the fifth self-fertilised generation, grown in open ground, in height:
  10 :  36.67 :   10 :  23.31 :  63.

Petunia violacea--offspring of plants self-fertilised for four
generations and then crossed by a fresh stock, compared with plants of
the fifth self-fertilised generation, grown in open ground, in weight:
  .. :     .. :   .. :     .. :  53.

Petunia violacea--offspring of plants self-fertilised for four
generations and then crossed by a fresh stock, compared with plants of
the fifth self-fertilised generation, grown in open ground, in
fertility:
  .. :     .. :   .. :     .. :  46.

Petunia violacea--offspring of plants self-fertilised for four
generations and then crossed by a fresh stock, compared with plants of
the fifth intercrossed generation, in height:
  21 :  50.05 :   22 :  54.11 : 108.

Petunia violacea--offspring of plants self-fertilised for four
generations and then crossed by a fresh stock, compared with plants of
the fifth intercrossed generation, in weight:
  .. :     .. :   .. :     .. : 101.

Petunia violacea--offspring of plants self-fertilised for four
generations and then crossed by a fresh stock, compared with plants of
the fifth intercrossed generation, grown in open ground, in height:
  10 :  36.67 :   10 :  38.27 : 104.

Petunia violacea--offspring of plants self-fertilised for four
generations and then crossed by a fresh stock, compared with plants of
the fifth intercrossed generation, grown in open ground, in weight:
  .. :     .. :   .. :     .. : 146.

Public-domain text, read in full here on John Shaqi.

The Effects of Cross & Self-Fertilisation in the Vegetable Kingdom

The Effects of Cross & Self-Fertilisation in the Vegetable Kingdom

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