Update: New Pest & Disease Records (17 Sep 14)

A new species of leafhopper has been identified in Brazil © Steven Severinghaus (CC BY-NC-SA)
A new species of leafhopper has been identified in Brazil © Steven Severinghaus (CC BY-NC-SA)

We’ve selected a few of the latest new geographic, host and species records for plant pests and diseases from CAB Abstracts. Records this fortnight include the  first report of Fusarium wilt in blueberry caused by Fusarium oxysporum in China, a new species of Beamerana from southeastern Brazil and new records of plant parasitic nematodes from rhizosphere of onion in Iran. 

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Update: New Pest & Disease Records (20 Aug 14)

Phytoplasmas that do not belong to the apple proliferation group have been found in infected apple trees in Iran © Brad Greenlee (CC BY)
Phytoplasmas that do not belong to the apple proliferation group have been found in infected apple trees in Iran © Brad Greenlee (CC BY)

We’ve selected a few of the latest new geographic, host and species records for plant pests and diseases from CAB Abstracts. Records this fortnight include 2 new phytoplasma species infecting apple trees in Iran,  the first report of Colletotrichum asianum causing anthracnose on Willard mangoes in Sri Lanka and the first report of Groundnut ringspot virus in cucumber fruits in Brazil.

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Update: New Pest & Disease Records (05 Feb 14)

Leafhopper and Planthopper abundance has been measured on maize in Brazil (S. Ausmus)
Leafhoppers can cause damage and transmit viruses (S Ausmus)

We’ve selected a few of the latest new geographic, host and species records for plant pests and diseases from CAB Abstracts. Records this fortnight include a report on the abundance and species richness of leafhoppers and planthoppers in Brazilian maize, the first report of root rot caused by Phytophthora nicotianae in avocado in Cuba and the first report of Konjac mosaic virus in elephant foot yam in India. 

 

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Earthworm-farmer friendship, redefined

Earthworms suppress fungal diseases in the soil © pfly (Flickr, CC BY-SA 2.0 license)

Earthworms are known as farmers’ best friends because of the multitude of services they provide that improve soil health and consequently plant health. The density of earthworms in the soil is considered to be a good indicator of a healthy soil because they improve many soil attributes like structure, water holding capacity, moisture content etc., and also increase nutrient availability and degrade pesticide residues. As scientists understand these ‘ecosystem services’ provided by earthworms, they discover that this earthworm-farmer friendship is a lot deeper than previously imagined! Continue reading