PENGARUH BEBERAPA ISOLAT Trichoderma spp. TERHADAP KETERJADIAN PENYAKIT BULAI (Peronosclerospora maydis) DAN PERTUMBUHAN TANAMAN JAGUNG (Zea mays)

Ivayani Ivayani, Faris Faishol, Nur Sudihartha, Joko Prasetyo

Abstract


Corn (Zea mays) is one of the important cereals crops as the source of food, animals feed or
energy. The corn produces has decreased by year to year. One of the factors that decreased
the corn produces is downy mildew. Downy mildew desease caused by Peronosclerospora
maydis fungi that decreased the production until 90%. Application of antagonistic fungi is
one of the alternative control. Trichoderma spp. is one of the antagonistic fungi that can
suppress growth of another fungus. Trichoderma spp. is saprofit soil microorganism that
naturally attacks pathogen fungi and has benefits for plant growth. This research was aimed
to know the effect of some isolates of Trichoderma spp. for diseases of downy mildew and the
effect for the plant growth. Treatments were prepared with Randomized Complete Block
(RCB) with 7 treatments and 4 repetitions. The treatments consist are P0 (control), P1
(application Trichoderma viride isolate GDR), P2 (application Trichoderma harzianum
isolate TRJ), P3 (application Trichoderma harzianum isolate TGN), P4 (application
Trichoderma viride isolate NTF), P5 (application Trichoderma longibrachiatum isolate
GRP) and P6 (application Trichoderma viride isolate KLN). The results of this research
were Trichoderma viride isolate GDR, Trichoderma harzianum isolate TGN, Trichoderma
viride isolate NTF and Trichoderma viride isolate KLN can be suppressed the disease
incidence of downy mildew, but unaffected for the plants growth.


Keywords


Corn, Peronosclerospora maydis, Trichoderma spp.

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DOI: http://dx.doi.org/10.25181/jppt.v18i1.641

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