![](images/graphics/blank.gif)
Effect of abiotic factors on the populations of pod borer, Helicoverpa armigera (Hubner) on marigold, Tagetes erecta in Jammu, India
16
lượt xem 2
download
lượt xem 2
download
![](https://tailieu.vn/static/b2013az/templates/version1/default/images/down16x21.png)
The results of the investigation on population dynamics of pod borer (Helicoverpa armigera Hubner) in relation to abiotic factors revealed that the pest commenced from 7th standard week, which remained till 18th standard week with its peak activity during 15th standard week.
Chủ đề:
Bình luận(0) Đăng nhập để gửi bình luận!
![](images/graphics/blank.gif)
CÓ THỂ BẠN MUỐN DOWNLOAD