Results 81 to 90 of about 2,378 (196)

Inability of the brown citrus aphid (Toxoptera citricida) to transmit citrus psorosis virus under controlled conditions [PDF]

open access: yes, 2020
Might Toxoptera citricida (BrCA) be a citrus psorosis virus (CPsV) vector? We examined CPsV transmission by the BrCA throughout two experiments. In experiment 1, 4 CPsV-infected plants bearing BrCA colonies were introduced in separated cages with 12 ...
Bertalmio, Ana   +5 more
core  

ELIMINASI PINEAPPLE MEALYBUG WILT-ASSOCIATED-VIRUS (PMWaV) DARI TANAMAN NANAS DENGAN HOT WATER TREATMENT [PDF]

open access: yes, 2010
[ELIMINATION OF Pineapple Mealybug Wilt-associated Virus (PMWaV) FROM PINEAPPLE PLANT BY HOT WATER TREATMENT]. Mealybug wilt of pineapple (MWP) is a devastating disease found in all the major pineapple growing regions.
Gede , Suastika   +2 more
core  

Differentiation of Citrus tristeza virus (CTV) Isolates by Cleavase Fragment Lenght Polymorphism (CFLP) Analysis of the Major Coat Protein Gene

open access: yesPhytopathologia Mediterranea, 2006
A panel of Citrus tristeza virus (CTV, genus Closterovirus, family Closteroviridae) isolates of different origins and with different biological properties were compared for polymorphisms in the major coat protein (CP) gene by cleavase fragment length ...
N. Marques   +3 more
doaj   +1 more source

Recovery and sanitary selection of local vines of the Sardinia [PDF]

open access: yes, 2007
A study was made on the recovery genotypes local grapevine with the aim to conserve them and to evaluate their health status and thus to improve the quality of the propagation material.
Garau, Raimondo   +4 more
core  

Viruserkrankungen in Möhren - gegenwärtige Probleme und verfügbare Nachweismethoden [PDF]

open access: yes, 2005
An apparently new virus disease of carrots (Daucus carota) has gained increasing importance in Germany. The complex of symptoms consisting of leaf reddening, plant stunting, hairy and rat tailed roots is thought to be caused by viral infections ...
Fittje, Susanne   +3 more
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Virus Resistant Transgenic Sweet Potato with the CP Gene : Current Challenge and Perspective of its Use [PDF]

open access: yes, 1998
Virus diseases of sweet potato are very prevalent and often seriously damage to the plants. Especially sweet potato feathery mottle virus severe strain (SPFMV-S) causes russet crack disease in Japan.
Mori, Masaki, Nishiguchi, Masamichi
core   +1 more source

High codon adaptation in citrus tristeza virus to its citrus host

open access: yesVirology Journal, 2012
Background Citrus tristeza virus (CTV), a member of the genus Closterovirus within the family Closteroviridae, is the causal agent of citrus tristeza disease. Previous studies revealed that the negative selection, RNA recombination and gene flow were the
Cheng Xiao-fei   +5 more
doaj   +1 more source

Transformation of five grape rootstocks with plant virus genes and a virE2 gene from Agrobacterium tumefaciens [PDF]

open access: yes, 2018
Summary: To facilitate the development of transgenic grapevines that are resistant to grapevine fanleaf virus (GFLV), grapevine leafroll-associated closterovirus (GLRaV-3) and crown gall diseases, we developed a rapid system for regenerating root-stocks:
Burr, T.   +9 more
core  

Agroinoculation of Citrus tristeza virus Causes Systemic Infection and Symptoms in the Presumed Nonhost Nicotiana benthamiana

open access: yesMolecular Plant-Microbe Interactions, 2011
Citrus tristeza virus (CTV) naturally infects only some citrus species and relatives and within these it only invades phloem tissues. Failure to agroinfect citrus plants and the lack of an experimental herbaceous host hindered development of a workable ...
Silvia Ambrós   +6 more
doaj   +1 more source

Phylogenetic relationships of Cryptosporidium parasites based on the 70- kilodalton heat shock protein (HSP70) gene [PDF]

open access: yes, 2000
We have characterized the nucleotide sequences of the 70-kDa heat shock protein (HSP70) genes of Cryptosporidium baileyi, C. felis, C. meleagridis, C. muris, C. serpentis, C. wrairi, and C. parvum from various animals.
Sulaiman, I.   +4 more
core   +1 more source

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