bifurcate
发表于 2025-3-26 21:51:57
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Between
发表于 2025-3-27 04:39:20
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价值在贬值
发表于 2025-3-27 05:31:38
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教唆
发表于 2025-3-27 11:59:44
Nematode Diseases,ted where the effects of nematodes have been conclusively separated from those of soil borne fungal diseases and other factors causing loss of stands and yields. Hague (1980) abstracted data published by the Society of Nematologists (USA) (Anonymous, 1971) and estimated that on 5.4 million ha of clo
innovation
发表于 2025-3-27 14:36:29
Insect Pests,es. Fortunately, their attacks are sporadic, and other species of plants may be as attractive or more attractive to many of these insects than red clover. A considerable number of insects are primarily pests of red clover, or cause more damage to red clover than to other species. The biology and con
Nucleate
发表于 2025-3-27 20:17:19
Persistence,f the world, and is generally conceded to be lacking in persistence. Persistence of red clover may be defined, for our purposes, as the ability to maintain a stand over a long period of time without depending upon reseeding or volunteering. The longevity, or life span of red clover has been the subj
Intentional
发表于 2025-3-28 01:24:13
Tetraploid Red Clover,bling of chromosomes of red clover, conducted primarily by Swedish researchers, met with considerable success over the years, and continuing to the present, many tetraploid cultivars have been produced. Plant breeders of other countries, no doubt impressed with the Swedish results, have developed te
他很灵活
发表于 2025-3-28 03:32:25
Tissue Culture,pecific hybrids between red clover and other . spp. Early research revealed that several of these hybrid combinations initiated development of a hybrid embryo, but the embryo aborted prior to maturity (Chapter 2). Attempts to rescue embryos of red clover × ., or . on the available media were not suc
CLAP
发表于 2025-3-28 08:05:28
Seed Production,re to be self sufficient in producing seeds of the crop, but may be limited by excessive rainfall during the growing season. For this reason, some specialized areas have been developed such as the Pacific northwest in the U.S. (Fig. 15.1), the south island of New Zealand, and the southern latitudes
Jocose
发表于 2025-3-28 10:52:24
Germplasm Acquisition, Maintenance, and Evaluation, East and Eastern Europe with other countries in the Old World and the New World. It is thus difficult to identify the “area of origin” of red clover. Red clover is thought to have originated in Asia Minor and southeastern Europe, but it was already cultivated in Europe in the third and fourth centu