In the seed world, that makes them rare, because most seeds from flowering plants are quite robust.
在种子世界里，这使得它们很稀有，因为大多数开花植物的种子都很结实。
These very short-lived plants reproduce prolifically; that is to say they provide a constant rain of seed in the neighborhood of parent plants.
这些寿命极短的植物大量繁殖；也就是说，它们在母株周围持续提供着“种子雨”。
Based on research on wild chili plants in rural Bolivia, the scientists found that the leading cause of seed mortality is a fungus called Fusarium.
基于对玻利维亚郊区野生辣椒的研究，科学家发现导致植物死亡的主要原因是一种名为镰刀霉的菌类。
Jamie plants a pumpkin seed in the spring.
春天杰米种下一颗南瓜籽。
This review covers the research and utilization of plant growth regulators in breaking seed dormancy, promoting growth, increasing biomass, inducing rooting, and tissue culturing medicinal plants.
本文综述了植物生长调节剂在打破药用植物种子休眠、促进生长、提高产量、诱发生根及组织培养上的研究应用概况。
The phenology of 312 seed plants of the warm temperate deciduous broad-leaved forest and conifer forest in Confucius Cemetery, Qufu have been observed half-monthly for 13 months.
对孔林暖温带落叶阔叶林和针叶林中312种种子植物的开花、结果的物候情况进行了研究，每半月调查1次，持续观察13个月。
The endosperm, a seed tissue that mediates the transfer of nutrients from the maternal parent to the embryo, is an important site of imprinting in flowering plants.
胚乳介导营养物质从母体到胚的转运过程，是开花植物中发生印迹的重要部位。
Some feasible advices: seed soaking and sterilizing, sowing early in pro per, water supplying at the stage of exercising young plants and forbidding mixi ng different varieties are advanced.
提出浸种消毒、适时早播、炼苗阶段注意补水、脱粒时严禁品种间混杂等可行性建议，有利于稻米品质产量的提高。
Here and there, the early crops were coming up. In one field, the golden blossoms of rape-seed plants emitted a heady fragrance.
偶尔也有种了杂粮的，那黄金一般的菜花散出强烈的香味。
The utility model relates to a pollination device used for hybrid seed production of plants, in particular to a dual-purpose waterproof pollinator for cotton.
本实用新型涉及一种植物杂交制种用授粉装置，具体是指一种棉花两用防 水授粉器。
The endosperm, a seed tissue that mediates the transfer of nutrients from the maternal parent to the embryo, is an important site of imprinting in flowering plants.
胚乳介导营养物质从母体到胚的转运过程，是开花植物中发生印迹的重要部位。胚乳的发育异常会导致胚的败育。
According to the results of the experiment, Their content, and species, and USES of amino acid of protein of seed oils meal of 4 species of the plants were mainly discussed in this paper.
根据分析结果，本文主要讨论了四种植物种子蛋白质的氨基酸含量、种类及利用。
According to the results of the experiment, Their content, and species, and USES of amino acid of protein of seed oils meal of 4 species of the plants were mainly discussed in this paper.
根据分析结果，本文主要讨论了四种植物种子蛋白质的氨基酸含量、种类及利用。
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