- male sterile line
- 不育系, 雄性不育系
English-Chinese Dictionary of Agriculture (英汉农业大词典). 2013.
English-Chinese Dictionary of Agriculture (英汉农业大词典). 2013.
Cytoplasmic male sterility — is total or partial male sterility associated with plant biology as the result of specific nuclear and mitochondrial interactions.[1] Male sterility is the failure of plants to produce functional anthers, pollen, or male gametes. Contents 1… … Wikipedia
Germ line development — The cells that give rise to the gametes are often set aside during cleavage. During development, these cells will differientate into primordial germ cells, migrate to the location of the gonad, and form the germ line of the animal. Creation of… … Wikipedia
plant breeding — Introduction application of genetic (genetics) principles to produce plants that are more useful to humans. This is accomplished by selecting plants found to be economically or aesthetically desirable, first by controlling the mating of… … Universalium
Detasseling — The tassel of a corn plant Detasseling corn is removing the pollen producing flowers, the tassel, from the tops of corn (maize) plants and placing them on the ground. It is a form of pollination control,[1] employed to cross breed, or hybridize,… … Wikipedia
plant disease — ▪ plant pathology Introduction an impairment of the normal state of a plant that interrupts or modifies its vital functions. All species of plants, wild and cultivated alike, are subject to disease. Although each species is… … Universalium
Pomme de terre transgénique — Pommes de terre transgénique Amflora Une pomme de terre transgénique est une variété de pomme de terre (Solanum tuberosum) dérivée d une variété existante génétiquement modifiée par transgenèse, c est à dire dont le … Wikipédia en Français
Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… … Universalium
evolution — evolutional, adj. evolutionally, adv. /ev euh looh sheuhn/ or, esp. Brit., /ee veuh /, n. 1. any process of formation or growth; development: the evolution of a language; the evolution of the airplane. 2. a product of such development; something… … Universalium
Philodendron — Taxobox name = Philodendrons image width = 250px image caption = Tree Philodendron ( Philodendron bipinnatifidum ) regnum = Plantae divisio = Magnoliophyta classis = Liliopsida ordo = Alismatales familia = Araceae subfamilia = Aroideae tribus =… … Wikipedia
angiosperm — /an jee euh sperrm /, n. Bot. a plant having its seeds enclosed in an ovary; a flowering plant. Cf. gymnosperm. [ANGIO + SPERM] * * * ▪ plant Introduction any member of the more than 300,000 species of flowering plants (division Anthophyta) … Universalium
Hybrid (biology) — In biology and specifically, genetics, the term hybrid has several meanings, all referring to the offspring of sexual reproduction.[1] In general usage, hybrid is synonymous with heterozygous: any offspring resulting from the mating of two… … Wikipedia