单词 | Ipomoea purpurea |
例句 | Diagram showing the mean heights of the crossed and self-fertilised plants of Ipomoea purpurea in the ten generations; the mean height of the crossed plants being taken as 100. Effects of Cross and Self Fertilisation in the Vegetable Kingdom Ipomoea purpurea may be quoted as an example. Darwin and Modern Science Ipomoea purpurea—third generation: seeds per capsule on crossed and self-fertilised plants, spontaneously self-fertilised under a net, in number: 94. Effects of Cross and Self Fertilisation in the Vegetable Kingdom Ipomoea purpurea—productiveness of the same plants, as judged by the number of capsules produced, and the average number of seeds per capsule: 35. Effects of Cross and Self Fertilisation in the Vegetable Kingdom Ipomoea purpurea—fifth generation: seeds per capsule on crossed and self-fertilised plants, left uncovered in the hothouse, and spontaneously fertilised: 89. Effects of Cross and Self Fertilisation in the Vegetable Kingdom Ipomoea purpurea—first generation: seeds per capsule on crossed and self-fertilised plants, not growing much crowded, spontaneously self-fertilised under a net, in number: 99. Effects of Cross and Self Fertilisation in the Vegetable Kingdom Ipomoea purpurea—ninth generation: number of capsules on crossed plants to those on self-fertilised plants, spontaneously self-fertilised under a net: 26. Effects of Cross and Self Fertilisation in the Vegetable Kingdom Ipomoea purpurea—crossed and self-fertilised flowers on the crossed and self-fertilised plants of the first generation yielded seeds as: 93. Effects of Cross and Self Fertilisation in the Vegetable Kingdom Ipomoea purpurea—crossed and self-fertilised flowers on the crossed and self-fertilised plants of the 3rd generation yielded seeds as: 94. Effects of Cross and Self Fertilisation in the Vegetable Kingdom Ipomoea purpurea—crossed and self-fertilised flowers on the crossed and self-fertilised plants of the 4th generation yielded seeds as: 94. Effects of Cross and Self Fertilisation in the Vegetable Kingdom Ipomoea purpurea—seeds per capsule on crossed and self-fertilised plants from the same parents as in the last case, but growing much crowded, spontaneously self-fertilised under a net, in number: 93. Effects of Cross and Self Fertilisation in the Vegetable Kingdom Ipomoea purpurea—crossed and self-fertilised flowers on the crossed and self-fertilised plants of the 5th generation yielded seeds as: 107. Effects of Cross and Self Fertilisation in the Vegetable Kingdom For instance, with Ipomoea purpurea every single intercrossed plant exceeded in height its self-fertilised opponent until the sixth generation; and so it was with Mimulus luteus until the fourth generation. Effects of Cross and Self Fertilisation in the Vegetable Kingdom Ipomoea purpurea, comparison of the height and fertility of the crossed and self-fertilised plants during ten successive generations. Effects of Cross and Self Fertilisation in the Vegetable Kingdom A plant of Ipomoea purpurea, or as it is often called in England the convolvulus major, a native of South America, grew in my greenhouse. Effects of Cross and Self Fertilisation in the Vegetable Kingdom Ipomoea purpurea—productiveness of the same plants, as judged by the number of capsules produced, and average number of seeds per capsule: 45. Effects of Cross and Self Fertilisation in the Vegetable Kingdom Ipomoea purpurea—plants of the tenth generation: 6 : 6 : 44. Effects of Cross and Self Fertilisation in the Vegetable Kingdom Ipomoea purpurea—offspring of plants intercrossed for nine generations and then crossed by a fresh stock, compared with plants of the tenth intercrossed generation: 19 : 84.03 : 19 : 65.78 : 78. Effects of Cross and Self Fertilisation in the Vegetable Kingdom Ipomoea purpurea—offspring of plants intercrossed for nine generations and then crossed by a fresh stock, compared with plants of the tenth intercrossed generation, in fertility: .. Effects of Cross and Self Fertilisation in the Vegetable Kingdom |
随便看 |
|
英语例句辞典收录了117811条英语例句在线翻译词条,基本涵盖了全部常用单词及词组的例句翻译及用法,是英语学习的有利工具。