The lesions on the surface of the bean leaves are very different.
This is a case of Spodoptera sinensis infected with bacterial leaf spot. It needs timely prevention and treatment. Control methods: remove diseased leaves, use 3% methobiotin wettable powder (3% Keyekang or 3% Jia Shuang) 1000 times or 20% Yezizole wettable powder 500 times foliar spray in the early stage of disease occurrence 2-3 times, once every 4 to 6 days.
PVC
Coated Wiggle Wire will help to ensure that your greenhouse can weather the
elements and last for years. Unlike other attachment methods, Wiggle Wire will
hold up to high winds and harsh environments. Protect your investments by using
the right products. The PVC Coated Wiggle Wire prevents tears for a fast
frustration free installation. This Spring Wire is the superior choice of
Wiggle Wire compared to the non-coated version. The PVC coating prevents tears
and is easier to handle. It is reusable and can easily be installed and removed
by "wiggling" it in and out of the Lock Channel. For use with poly
greenhouse film, curtains, shade cloth and other greenhouse coverings.
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