A severe disease was observed in the potato variety Criolla Colombiana . Main symptomatology consisted of discoloration or yellowing of the whole plant, apical leafroll, dwarfing, axillary buds and thicker internodes. Phytoplasmas related to 16SrV and 16SrXII groups were identified by nested PCR...
Mejía, Juan Fernando
,
Contaldo, N.
,
Paltrinieri, S
,
Pardo, Juan Manuel
,
Rios, CA
,
Álvarez, E.
,
Bertaccini, A
,
[Molecular detection and identification of group 16SrV and 16SrXII phytoplasma associated with potatoes in Colombia]
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Molecular detection and identification of group 16SrV and 16SrXII phytoplasma associated with potatoes in Colombia
Soybean (Glycine max L.) is an important grain legume cultivated on approximately 1.24 million ha in Africa (1). Malawi ranks fourth in area of production in Africa, with 75,000 ha in 2009 (1). Soybean is also gaining importance in Mozambique and several other southern African countries due to di...
Kumar, P.L.
,
Sharma, K.
,
Boahen, S.
,
Tefera, H.
,
Tamo, M.
,
[First report of soybean witchesbroom disease caused by Group 16SrII phytoplasma in soybean in Malawi and Mozambique]
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First report of soybean witchesbroom disease caused by Group 16SrII phytoplasma in soybean in Malawi and Mozambique
Cassava is one of the main carbohydrate sources in the tropics, and it has worldwide importance as basic food for millions of persons in America and Africa. This root crop is affected by cassava frog skin disease that in Colombia produces yield losses of almost 90%. A phytoplasma was associated w...
Álvarez, E.
,
Mejía, Juan Fernando
,
Llano Rodríguez, Germán Alberto
,
Loke, John Bernard
,
[Detection and characterization of a phytoplasma associated with frog skin disease in cassava]
,
Detection and characterization of a phytoplasma associated with frog skin disease in cassava
Tuan Vu, Nam
,
Pardo, Juan Manuel
,
Álvarez, Elizabeth
,
Huy Le, Ham
,
Wyckhuys, Kris A.G.
,
Nguyen, Kim-Lien
,
Tien Le, Dung
,
[Establishment of a loop-mediated isothermal amplification (LAMP) assay for the detection of phytoplasma-associated cassava witches’ broom disease]
,
Establishment of a loop-mediated isothermal amplification (LAMP) assay for the detection of phytoplasma-associated cassava witches’ broom disease
Napier grass (Pennisetum purpureum), the most important forage crop in East Africa, has recently been affected by a devastating disease named Napier Grass Stunt (NGS). A phytoplasma of group 16SrI has been associated with NGS in Kenya and Uganda, whereas in Ethiopia, group 16SrIII was previously ...
Arocha, Y.
,
Zerfy, T.
,
Abebe, G.
,
Proud, J.
,
Hanson, Jean
,
Wilson, M.
,
Jones, Peter G.
,
Lucas, J.
,
[Identification of potential vectors and alternative plant hosts for the phytoplasma associated with Napier grass stunt disease in Ethiopia]
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Identification of potential vectors and alternative plant hosts for the phytoplasma associated with Napier grass stunt disease in Ethiopia
Cassava frogskin disease (CFSD) is an economically important root disease of cassava (Manihot
esculenta) in Colombia and other South American countries, including Brazil, Venezuela, Peru,
Costa Rica, and Panama. The roots of severely affected plants are thin, making them unsuitable
for consumptio...
Álvarez, E.
,
Mejía De Los Rios, J.F.
,
Llano Rodríguez, Germán Alberto
,
Loke, John Bernard
,
Calari, A
,
Duduk, B
,
Bertaccini, A
,
[Characterization of a phytoplasma associated with frogskin disease in cassava]
,
Characterization of a phytoplasma associated with frogskin disease in cassava
Yin, Z.
,
Feng, C.
,
Wang, Q.
,
Engelmann, F.
,
Lambardi, M.
,
Panis, B.
,
[Cryotherapy of shoot tips: a newly emerging technique for efficient elimination of plant pathogens]
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Cryotherapy of shoot tips: a newly emerging technique for efficient elimination of plant pathogens