Home
Posts
Article
Encyclopedia
Garden
Set
English
Help
默默关注
2018-03-10, 5388 Views
默默关注
大家看看这个花怎么了?还有救吗?
大家看看这个花怎么了?还有救吗?
大家看看这个花怎么了?还有救吗?
大家看看这个花怎么了?还有救吗?
大家看看这个花怎么了?还有救吗?
大家看看这个花怎么了?还有救吗?
大家看看这个花怎么了?还有救吗?
0
4
comment
😀 😁 😂 😄 😆 😉 😊 😋 😎 😍 😘 🙂 😐 😏 😣 😯 😪 😫 😌 😜 😒 😔 😖 😤 😭 😱 😳 😵 😠
* Only support image type .JPG .JPEG .PNG .GIF
* Image can't small than 300*300px
All 4 Answers
0
病害多从叶柄基部开始发生,首先产生黄褐色病斑,并沿叶柄向上扩展到叶片,病叶逐渐凋萎枯死。病斑延及树干产生紫褐色病斑,导致维管束变色坏死,树干腐烂,叶片枯萎,植株趋于死亡。在枯死的叶柄基部和烂叶上,常见到许多白色菌丝体。当地上部分枯死后,地下根系也很快随之腐烂,全部枯死。
0
治疗:可用国光英纳、国光松尔500-600倍液喷雾,或刮除病斑后涂药,有一定防治效果
0
像侵染了干腐病。
Just Reply
FeedBack

You have any problems or suggestions, please leave us a message.

Please enter content
Set
VIP
Sign out
Share

Share good articles, GFinger floral assistant witness your growth.

Please go to the computer terminal operation

Please go to the computer terminal operation

Forward
Insert topic
Remind friend
Post
/
Submit success Submit fail Picture's max size Success Oops! Something wrong~ Transmit successfully Report Forward Show More Article Help Time line Just Reply Let's chat! Expression Add Picture comment Only support image type .JPG .JPEG .PNG .GIF Image can't small than 300*300px At least one picture Please enter content