Update: New Pest & Disease Records (12 Jun 13)

Leaf mine on Passiflora actnia, created by Spinivalva gaucha © Brito et al. (CC BY licence)

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 conservation biology challenge of European ash dieback, the first report of Nigrospora oryzae causing stem blight on Brassica juncea in India and a new Brazilian Passiflora leafminer: Spinivalva gaucha, the first gracillariid without a sap-feeding instar.

Read more of this post

Update: New Pest & Disease Records (29 May 13)

Pineapple with Phytophthora heart rot © Scott Nelson (CC BY-SA licence)

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 pineapple heart rot caused by Phytophthora nicotianae in China’s Hainan Province, a new species of Aeolothrips from mango crops in Mexico and details of Cylas puncticollis, a new pest of cotton.

Read more of this post

Update: New Pest & Disease Records (15 May 13)

Gall caused by Pemphigus bursarius © Gyorgy Csoka, Hungary Forest Research Institute, Bugwood.org (CC BY licence)

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 recent multiple introductions of the gall-forming aphid Pemphigus bursarius into Japanese islands, the distribution and characterization of Streptomyces species causing potato common scab in Germany and the first report of Endoclita signifer as a new pest on Eucalyptus.

Read more of this post

Update: New Pest & Disease Records (01 May 13)

Symptoms of septoria leaf spot

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 occurrence of Pachycoris torridus jewel bugs in Bahia, Brazil, the  assessment of wheat cultivars for resistance to septoria leaf blotch-causing isolates and the incidence and identification of Cassava tuber rot caused by Phytophthora palmivora.

Read more of this post

Update: New Pest & Disease Records (17 Apr 13)

Effect of Meloidogyne spp. on common bean roots © CABI

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 the root knot nematode, Meloidogyne inornata, on common bean in Brazil’s Paraná State, Glyphosate-resistant Italian ryegrass (Lolium multiflorum) on rice paddy levees in Japan and the first report of Fusarium proliferatum causing garlic bulb rots in Mexico.

Read more of this post

Update: New Pest & Disease Records (03 Apr 13)

Bactrocera invadens on a mango © IITA (CC BY-NC licence)

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 detection of Iris yellow spot virus (IYSV) in selected Allium species in Austria, attack of two new spider mites on sweet potato (Ipomoea batatas) in Brazil and the effects of phytosanitary hot water treatments on West African mangoes infested with Bactrocera invadens.

Read more of this post

Update: New Pest & Disease Records (20 Mar 13)

Citrus greening on mandarins (Credit: USDA ARS)

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 an identification and pathogenecity study of Alternaria spp. of tomato and potato, a new species of entomopathogenic nematode from ginger rhizosphere and a risk model of citrus greening infection.

Read more of this post

Update: New Pest & Disease Records (06 Mar 13)

Symptoms of Banana bunchy top virus © Malcolm Manners (CC BY licence)

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 Banana bunchy top virus of Musa spp. in Nigeria, the first record of the leafhopper genus Igerna in China and a new Pythium species that causes severe damping off of tomato seedlings found in Tunisia, France and India.

Read more of this post

Update: New Pest & Disease Records (20 Feb 13)

Symptoms on tomato caused by Ralstonia solanacearum. Credit: Clemson University (CC BY licence)

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 Ralstonia solanacearum causing tomato bacterial wilt in Mexico, occurrences of a new fruit rot of peach caused by Hyphodermella rosae in northern Iran and the first report of Nigrospora sphaerica (Sacc.) Mason as a potential pathogen on date palm (Phoenix dactylifera L.).

Read more of this post