| Summary: | Mycorrhizal is a mutualistic symbiosis between fungi and plant roots. The
fungi will increase plant nutrient supply for host plant and the fungi get photosyntate
from host plant. The mycorrhizal root system, produced an intensive of external
hyphae which will be able to increase capacity in the absorption of nutrients. This
study aims to determine the level of mycorrhizal infection on the growth of cocoa
and the effectiveness of mycorrhizal on suppression of disease intensity of cocoa .
This study was conducted in a cocoa pilot project in Jombok, Pule, Trenggalek. The
cocoa seeds was inoculated by Arbuskular Mycorrhizal Fungi (AMF) in nurseries.
The parameter observed are the growth and health of cocoa. The results showed that
the cocoa inoculated by AMF, could increase the growth and health of cocoa
especially in the treatment of P2 (cocoa seedlings inoculated by AMF and fertilized
according farmer habits). Cocoa seedling inoculated by AMF (P1) showed the
highest root infection and highest spore populations in the ground
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