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Host plant resistance
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Ebook "Multigenic and induced systemic resistance in plants" has been known for the past century that plants carry genetic information for inherited resistance against many pathogenic organisms including fungi, bacteria, and viruses, and that the relationship between pathogenic organisms and hosts plants are rather complex and in some cases time dependent.
538p
tachieuhoa
28-01-2024
9
3
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Host plant resistance has been proposed as one of the most promising approaches in whitefly management. Already in 1995 two quantitative trait loci (Tv-1 and Tv-2) originating from S. habrochaites CGN1.1561 were identified that reduced the oviposition rate of the greenhouse whitefly (Trialeurodes vaporariorum).
12p
vinarcissa
21-03-2023
5
1
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Reniform nematode (Rotylenchulus reniformis) has emerged as one of the most destructive root pathogens of upland cotton (Gossypium hirsutum) in the United States. Management of R. reniformis has been hindered by the lack of resistant G. hirsutum cultivars; however, resistance has been frequently identified in germplasm accessions from the G. arboreum collection.
11p
vihagrid
30-01-2023
7
3
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Continued part 1, part 2 of ebook "Integrated pest and disease management in greenhouse crops" provide readers with content about: managing the greenhouse, crop and crop environment; host-plant resistance to pathogens and arthropod pests; disinfestation of soil and growth media; pesticides in ipm: selectivity, side-effects, application and resistance problems; decision tools for integrated pest management; biological and microbial control of greenhouse pests and diseases;...
125p
hanlinhchi
11-11-2022
13
3
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RNA silencing has an important role mediating sequence-specific virus resistance in plants. The complex interaction of viruses with RNA silencing involves the loading of viral small interfering RNAs (vsiRNAs) into its host ARGONAUTE (AGO) proteins.
22p
viarchimedes
26-01-2022
9
0
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Potato cyst nematodes belong to the most harmful pathogens in potato, and durable management of these parasites largely depends on host-plant resistances. These resistances are pathotype specific. The current Globodera rostochiensis pathotype scheme that defines five pathotypes (Ro1 - Ro5) is both fundamentally and practically of limited value. Hence, resistant potato varieties are used worldwide in a poorly informed manner.
19p
vitzuyu2711
29-09-2021
11
1
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The brown plant hopper (BPH), Nilaparvata lugens, is one of the major pest of rice (Oryza sativa). Plant defenses against insect herbivores have been extensively studied, but our understanding of insect responses to host plants’ resistance mechanisms is still limited.
18p
visilicon2711
20-08-2021
9
1
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Whiteflies (Bemisia tabaci) are phloem sap-sucking pests that because of their broad host range and ability to transmit viruses damage crop plants worldwide. B. tabaci are now known to be a complex of cryptic species that differ from each other in many characteristics such as mode of interaction with viruses, invasiveness, and resistance to insecticides.
13p
visilicon2711
20-08-2021
11
1
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The glasshouse whitefly, Trialeurodes vaporariorum, is a damaging crop pest and an invasive generalist capable of feeding on a broad range of host plants. As such this species has evolved mechanisms to circumvent the wide spectrum of anti-herbivore allelochemicals produced by its host range. T. vaporariorum has also demonstrated a remarkable ability to evolve resistance to many of the synthetic insecticides used for control.
19p
viansan2711
30-07-2021
10
1
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Age-related resistance (ARR) is a developmentally regulated phenomenon conferring resistance to pathogens or pests. Although ARR has been observed in several host-pathogen systems, the underlying mechanisms are largely uncharacterized. In cucumber, rapidly growing fruit are highly susceptible to Phytophthora capsici but become resistant as they complete exponential growth.
25p
vijeeni2711
30-06-2021
8
1
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Plant transcription factors (TFs) are key transcriptional regulators to manipulate the regulatory network of host immunity. However, the globally transcriptional reprogramming of plant TF families in response to pathogens, especially between the resistant and susceptible host plants, remains largely unknown.
14p
vijichea2711
28-05-2021
12
1
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Little is known about the initial, symptomless (latent) phase of the devastating wheat disease Septoria tritici blotch. However, speculations as to its impact on fungal success and disease severity in the field have suggested that a long latent phase is beneficial to the host and can reduce inoculum build up in the field over a growing season.
23p
vijichea2711
28-05-2021
7
1
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Pathogen attack generates the stress full conditions which disrupts the host metabolic machinery causing an oxidative burst in plants and leads to the formation of reactive oxygen species (ROS). These molecules are responsible for all the metabolic changes occurring in host plant and alter the DNA, carbohydrates, lipids, sugar and protein content. In this review, we have discussed the various physiological and biochemical components that assist the plant in imparting resistance and along with the role of phytohormones viz.
17p
chauchaungayxua11
23-03-2021
11
1
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These technologies, the CRISPR/Cas9 system has gained more popularity by virtue of its simplicity, efficiency and reproducibility. CRISPR/Cas9 have been exploited to engineer plant virus resistance, either by directly targeting and cleaving the viral genome, or by modifying the host plant genome to introduce viral immunity. Here, we describe the biology of the CRISPR/Cas9 system and plant viruses, and how this genome engineering tool has been used to target the devastating plant viruses.
11p
chauchaungayxua10
18-03-2021
6
2
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Sorghum shoot fly (Atherigona soccata) is an important pest of sorghum and host plant (HPR) is one of the important features for minimizing losses. Resistance against shoot fly in sorghum with governed by the physical and chemical contribute. Eleven sorghum genotypes were evaluated under the field condition for their reaction to shoot fly at Agronomy field, college of agriculture Kolhapur in Rabi 2016-17.
5p
caygaocaolon8
07-11-2020
8
1
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The trials were conducted with various organic amendments i.e. Neem oil cake, Groundnut cake, Castor cake, Mustard cake & Poultry manure and four dates of sowing i.e. 30th October, 10th, 20th and 30th November.
5p
angicungduoc8
07-11-2020
15
1
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A study on effect of jasmonate on disease progression as well as induction of defensin gene (PDF1.2) was carry out to explore the effectiveness of Jasmonic acid in triggering defence within the host tissues. The disease severity and expression of PDF1.2 gene was examined after treatment containing Jasmonic acid and pathogen to two ecotypes of Arabidopsis at different time intervals. Methyl jasmonate treatment was found to be effective in decreasing the disease incidence by lowering the disease index in both susceptible (WS) and tolerant ecotype (Col). Transcripts of PDF1.
9p
chauchaungayxua8
03-10-2020
14
2
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As a response of host-pathogen interaction, the induction of systemic resistance (ISR) was studied in cassava upon challenge inoculation with cassava mosaic viruses (ICMV and SLCMV). Due to the viral infection, the reduced amount of chlorophyll a, chlorophyll b and total chlorophyll was recorded in virus infected cassava seedlings compared to control (meristem derived healthy plants).
13p
chauchaungayxua8
03-10-2020
20
1
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Fusarium wilt of cluster bean caused by Fusarium solani is an important disease which is known to cause heavy crop loss in Rajasthan as well as in India. During the survey the disease fusarium wilt of cluster bean incidence was recorded from 15.66 to 19.20 per cent at Jaipur, Phulera and Renwal tehsil of Jaipur district and Nawa tehsil of Nagaur district.
6p
trinhthamhodang1215
23-09-2020
20
1
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The soil-borne necrotrophic fungal pathogen Fusarium oxysporum f. sp. Ciceris (FOC)infects chickpeaand causes wilt in any stage of plant from seedling to podding. Owing to climate change and ever changing nature of the pathogen, no resistant host cultivar is sustaining long against this disease. Hence, root resident Aspergillus niger isolates as native mycoflora were evaluated as bioagent against the FOC because chemical control has long been discouraged due to its circulation in food chain. In this study, we established the biocontrol potential of organic acid producing A.
10p
kequaidan7
01-09-2020
7
1
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