Guarana & Brasil

Today the topic will be about diseases and insects that can have interference in the guarana production.     The main disease for the guarana plants is the  anthracnose ,   caused by the fungus  Colletotrichum   guaranicola , it is one of the main problems for the low production of guarana in the Amazon.   https://www.acritica.com/channels/governo/news/embrapa-lanca-novas-plantas-de-guarana-resistentes-a-doencas-e-de-alta-produtividade-comercial   A nthracnose   The main insect that  attacks  the guarana plants is the  Liothrips   adisi .   This species has only been founded in  guaraná  plants.    https://www.embrapa.br/busca-de-publicacoes/-/publicacao/665200/observacoes-sobre-o-tripes-liothrips-adisi-strassen-1977-do-guaranazeiro   Liothrips   adisi The  insects, in order  to feed,  suck the plant sap, which causes morphophysiological changes in the ...

Today the topic that we will discuss is weeds! Weeds are valueless plant growing wild, it grows together with the desired cultivate plant and in the worst cases, if do not take the right precautions it can become a competitor of the plant that you want to cultivate http://www.dictionary.com/browse/weed For our case that is Guarana, a scientific study done in the amazon state collected    14.707 samples of weeds,  among them were detected 40 families and  87 species.  70 of the species were Dicotyledons representing 80,5% of the weeds,    13 Monocotyledons (15%) and 4 Pteridophytes (4,5%). Panicum pilosum, Scleria melaleuca, Panicum laxum, Spermacoce capitata, Selaginella asperula  and  Homolepis aturensis  are the main weeds  found during the study. http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582004000300004 Panicum pilosum     Panicum  laxum A crop infestation by weeds can ...