| 单词 | Pisum |
| 例句 | Yet wild peas of Pisum fulvum taste good, either fresh or dried, and are common in the wild. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z For example, peas belong to the genus Pisum, which consists of two wild species: Pisum sativum, the one that became domesticated to yield our garden peas, and Pisum fulvum, which was never domesticated. Guns, Germs, and Steel: The Fates of Human Societies 1997-03-01T00:00:00Z Gregor Mendel’s 1865 paper described experiments on the inheritance of seven characteristics of Pisum sativum shown in the first column in the table below. Biology for AP Courses 2022-06-09T00:00:00Z A hardy annual, prolific, easily worked, Pisum has a further advantage in that the insects which normally visit flowers are unable to gather pollen from it and so to bring about cross fertilisation. Mendelism Third Edition Results obtained by Crossing a Wild Pea from Palestine with Commercial Types and Pisum sativum umbellatum. The Culture of Vegetables and Flowers From Seeds and Roots 16th Edition Pisum maritimum.—These peas have a bitterish disagreeable taste, and are therefore rejected when more pleasant food is to be got. The Botanist's Companion, Volume II Pisum sativum.—Five radicles, extended horizontally over water, had their tips lightly touched two or three times with dry caustic. The Power of Movement in Plants Pisum sativum, varieties of, rarely intercross, but a cross between them highly beneficial. Effects of Cross and Self Fertilisation in the Vegetable Kingdom Pisum sativum I have also many times seen visited by Bombus. More Letters of Charles Darwin — Volume 2 With respect to the tips of the secondary radicles, those of Vicia faba, Pisum sativum, and Zea mays were alone observed, and they were found similarly sensitive. The Power of Movement in Plants Pisum sativum.—This is a well known dainty at our tables during spring and summer. The Botanist's Companion, Volume II Hereafter analogous and more striking experiments with Pisum sativum and Cucurbita ovifera will be given. The Power of Movement in Plants This is the case with the varieties of Pisum sativum and of Lathyrus odoratus which are cultivated in England, and with Ophrys apifera and some other plants in a state of nature. Effects of Cross and Self Fertilisation in the Vegetable Kingdom Masters, Mr., cross-fertilisation in Pisum sativum. cabbages affected by pollen at a distance. Effects of Cross and Self Fertilisation in the Vegetable Kingdom In this family I experimented on the following six genera, Lupinus, Phaseolus, Lathyrus, Pisum, Sarothamnus, and Ononis. Effects of Cross and Self Fertilisation in the Vegetable Kingdom 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: ? Effects of Cross and Self Fertilisation in the Vegetable Kingdom Pisum sativum: a radicle extended horizontally in damp air with a little square of card affixed to the lower side of its tip, causing it to bend upwards in opposition to geotropism. The Power of Movement in Plants Darwin, C., self-fertilisation in Pisum sativum. sexual affinities. on Primula. bud variation. constitutional vigour from cross parentage in common pea. hybrids of Gladiolus and Cistus. Effects of Cross and Self Fertilisation in the Vegetable Kingdom Therefore I believe that the cause of the crossed plants not exceeding in height the self-fertilised is the same as in the two previous cases of Pisum sativum and Canna. Effects of Cross and Self Fertilisation in the Vegetable Kingdom |
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