ovule造句
1) In consequence, between 20 and 80% of ovules are killed by pollinators and other insects.
2) The ovule of Hyoscyamus niger is renuinullceate.
3) The ovule of tomato is anatropous.
4) Ovarian half, ovule majority, the seed has a wing.
5) The ovule is of anatropous, simple integument and tenuinucellus.
6) A stalk connecting an ovule or a seed with the placenta.
7) Nutrients pass through the funicle to the ovule and seed.
8) The fertilized ovule becomes the seed, and the ovary becomes the fruit.
9) Frequently the basal ovule, which is the last one to be fertilized would abort.
10) Ovarian 2 rooms, ovule much line, style filiform, post tongue shape is compressed.
11) The ovule is bitegminous and tenuinucellate. The archesporial cell locates under the nucellus epidermis, which develops into functional megasporocyte.
12) Funicle ( funiculus ) The stalk attaching the ovule ( later the seed ) to the placenta angiosperm ovaries.
13) The ovule is bitegminous archesporial cell locates under the nucellus epidermis, which develops into functional megasporocyte.
14) Growing straight , so that the micropyle is at the end opposite the stalk. Used an ovule.
15) The development of research has resolved in part many important problems, such as the origin and molecular mechanism of ovule ontogenesis. But these problems still require further study.
16) Growing straight, so that the micropyle is at the end opposite the stalk. Used of an ovule.
17) Male reproductive cells travel down the tube and join with the ovule, fertilizing it.
18) Porogamy The usual method of fertilization in angiosperms in which the pollen tube enters the ovule by the micropyle. Compare chalazogamy.
19) Chalaza ( pl . chalaxae or chalazas ) The region of an angiosperm ovule where the nucellus and integuments merge.
20) Ovary of Camellia chrysantha (Hu) Tuyama. 3-5 locules, bearing 3-5 anatropous bi-integument ovules, axile placentation, ten-uinucellate ovule.
21) Incompatible pollen tubes grow more slowly and, at least in some, the pollen tube bursts before it reaches the ovule and the polysaccharide callose is deposited around the tube.
22) The occurrence of more than one embryo in the ovule denotes polyembryony.
23) The primary chalazal haustorium ramifies around the vascular tissues of the ovule.
24) Testa The hard dry protective covering of a seed, formed from the integuments of the ovule.
25) The stasis phenomenon of gynoecium development occurred in floral organogenesis of Reineckia and the abortion of microspore and ovule may be the important causes of its low seed bearing ratio.
26) A female gametophyte of the female gametophyte in the sporangium ovule is the heart of the beads.
27) Several MADS - box genes related to the development of the ovule such as FBP 7 ? FBP 1 1 ? STK?
28) The almond fruit was developed from solitary carpel in the superior ovary which there were the border placenta and amphitropous ovule.
29) Seed development in most instances commences following fertilization of the ovule.
30) Studies on molecular regulation of female gametophyte development were reviewed in terms of female gametophyte and ovule and integument development.
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