
品种的定义
Flashcard
•
Biology
•
University
•
Hard
Li xiaoyan
FREE Resource
Student preview

4 questions
Show all answers
1.
FLASHCARD QUESTION
Front
什么是品种?
Back
人类在一定的生态条件和经济条件下,根据自己的需要所选育的某种作物的某种群体;
2.
FLASHCARD QUESTION
Front
品种具有哪些特性?
Back
该群体具有相对稳定的遗传特性,在生物学,形态学及经济性状上是相对一致的,并以此与同一作物的其他群体相区别;
3.
FLASHCARD QUESTION
Front
品种在什么条件下种植?
Back
这种群体在相应地区和耕作条件下种植;
4.
FLASHCARD QUESTION
Front
品种的种植需要符合哪些方面的要求?
Back
在产量,抗性,品质等方面都能符合生产发展的需要。
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