biotype

基本解釋

Why that should be true only for this particular biotype is unknown. Finding the answer would make a lot of farmers happier.
但是，為什么只有這種特殊的生物型出現(xiàn)了該種情況還不得而知，因此，解答這一難題將使千千萬萬的農(nóng)民受益.
curly shoot virus and tomato yellow leaf curl virus. These predatethe arrival of biotype B, but the new arrival does particularly well on plants infected by them.
在中國，煙粉虱傳播煙草曲莖病毒和番茄黃曲葉病毒，這些病毒在B生物型入侵前便有之，但新的生物型在感染該等病毒的植株上活得尤為“有滋有味”。
A mutated “biotype ” insect emerged in Napa Valley in 1980 and did an estimated $6 billion of damage （before wide-scale uprooting）, burning and replanting was completed in 1995.
1980年，一種名為“生物B”的變異昆蟲驚現(xiàn)納帕山谷，高達(dá)60億美元作物因之付之東流。隨后，除根、焚燒，再植活動(dòng)于大范圍內(nèi)展開，直到1995年方得以完成。

a group of genetically identical plants within a species, produced by apomixis (Also called microspecies)