POSSIBLE ROLE OF WEED RACES IN EVOLUTION OF CULTIVATED PLANTS
POSSIBLE ROLE OF WEED RACES IN EVOLUTION OF CULTIVATED PLANTS
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DOI：
10.1007/bf00038984
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发表时间：
1965-01-01
期刊：
影响因子：
1.9
通讯作者：
HARLAN, JR
中科院分区：
文献类型：
--
作者：
HARLAN, JR
我们栽培的大多数植物都有伴生杂草品种。这种现象如此普遍，必然具有一定的生物学意义。在某些情况下，杂草是农作物的祖先，但在许多情况下，我们必须寻找能够同时产生杂草形式和栽培形式的东西。杂草小种充当了储备种质的储存库，在最有利于增加变异性、杂合性和杂种优势的条件下，定期将部分种质注入作物中。
Most of our cultivated plants have companion weed races. This phenomenon is so common that it must have some biological significance. In some cases the weeds are the progenitors of the crops, but in many cases we must look for something that could give rise to both the weed forms and the cultivated form together. The weed races have served as reservoirs of reserve germ plasm, periodically injecting portions of it into the crop under conditions that would most favor increase in variability, heterozygosity and heterosis.