Academic literature on the topic 'Gall rust diseases'

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Journal articles on the topic "Gall rust diseases"

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Rahayu, Sri, Nor Aini Ab Shukor, Lee Su See, and Ghizan Saleh. "Responses of Falcataria moluccana seedlings of Different Seed Sources to Inoculation With Uromycladium tepperianum." Silvae Genetica 58, no. 1-6 (2009): 62–68. http://dx.doi.org/10.1515/sg-2009-0008.

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Abstract Falcataria moluccana (batai) is one of the valuable multipurpose tree species for forest plantations, particularly in Malaysia and Indonesia. Gall rust disease caused by Uromycladium tepperianum (Sacc.) is one of the most destructive diseases in Batai plantations. The disease causes severe damage at all developmental stages of the plant from the nursery stage to mature trees in the field and includes the development of chocolate brown, cauliflower-like or whip-like galls on the stem, branch, petiole, shoot and pod. Different seed sources may respond differently to gall rust fungus. Thus, the responses of F. moluccana seedlings from 6 selected seed sources to gall rust disease caused by U. tepperianum, were evaluated, at the Brumas Estate, Malaysia, in terms of gall rust disease severity, mortality, and disease infection rate of the seedlings. Based on disease severity, infection rate and cumulative mortality due to gall rust disease, the wamena was found to be the best seed source in relation to gall rust disease resistance.
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Baskorowati, Liliana, M. Susanto, and M. Charomaini. "GENETIC VARIABILITY IN RESISTANCE OF Falcataria moluccana (Miq.) Barneby & J. W. Grimes TO GALL RUST DISEASE." Journal of Forestry Research 9, no. 1 (2012): 1–9. https://doi.org/10.20886/ijfr.2012.9.1.1-9.

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During 2003-2009 large area plantations of F.Molucana, in Java particularly,. had been attacked severely by gallrust disease. In order to reduce the gall rust impacts, selection of gall-rust resistance of F. Molucana needs to be undertaken. Therefore,study of genetic variability on gall-rust resistance of F.Molucana was carried out at the 3 years old of gall rust disease resistance trial located at Kediri,East Java. The trial consists of 80 open pollinated families,including four seed sources from Kediri(East Java),  Lombok(Nusa Tenggara), Papua and Candiroto(Central Java). In this study,several variables were assessed i.e. height, diameter, stem form,crown density,number of galls which existed on stems,branches,twigs,and crowns. The  disease incidence and severity were calculated using the index scores of gall rust. Results revealed that there wrere significant differences in stem-form and stem-galls berween families. Individual heritability (h2i) was relatively medium for stem-form,branch-galls and stem-galls,whereas h2i for diameter,crown density and twig-galls were low. Genetic correlations were strongly positive between diameter and the disease. Meanwhile, a correlation between stem-form and the diseases was strongly negative. Therefore, individual heritability for stem-form could be used to decreasc disease incidence and severity. Index of disease incidence and severy varied significantly between 80 families in the trial. Grouping of the families based on the seed sources(provenances) showed that Papua seed sources exhibited the most resist or tolerate to the gall rust disease. Therefore,further attention to the potential provenances involving the disease severity and incidence need to be paid.
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Kamp, B. J. van der. "Lodgepole pine stem diseases and management of stand density in the British Columbia interior." Forestry Chronicle 70, no. 6 (1994): 773–79. http://dx.doi.org/10.5558/tfc70773-6.

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The incidence of western gall rust, stalactiform blister rust, comandra blister rust and Atropellis canker was measured in 16 permanent sample plots in young lodgepole pine stands in the Interior of B.C. in 1980, shortly following juvenile spacing, and again in 1985 and 1992. The incidence (as percent of living trees with live rust infections) of the three rusts increased substantially between 1980 and 1985 in both treated and control plots, but declined from 1985 to 1992, partly because of infected tree mortality, but mostly because of a low rate of new infection and the death of all branch infections on many surviving trees. More than 85 percent of all stalactiform and comandra blister rust infections and 60 percent of all gall rust stem infections occurred within 2 m of the ground. The low incidence of new infection in these plots since 1985 is probably attributable to the loss of live branches due to crown closure and branch suppression in that 2 m zone as well as altered climatic conditions and reduced inoculum levels. Atropellis canker infection increased at each remeasurement, and in 1992, was less in spaced plots than in unthinned controls (3.4 and 8.9% of trees infected). A set of recommendations concerning allowances for disease mortality at the time of regeneration and juvenile spacing is presented. Key words: stand density management, Lodgepole pine, western gall rust, blister rust, Atropellis canker
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4

Rocchini, Lynn A., Kathy J. Lewis, B. Staffan Lindgren, and Robert G. Bennett. "Association of pitch moths (Lepidoptera: Sesiidae and Pyralidae) with rust diseases in a lodgepole pine provenance trial." Canadian Journal of Forest Research 29, no. 10 (1999): 1610–14. http://dx.doi.org/10.1139/x99-136.

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A survey in a lodgepole pine, Pinus contorta var. latifolia Engelm., provenance trial showed that the western pine moth, Dioryctria cambiicola (Dyar) (Lepidoptera: Pyralidae), was the most prevalent pitch moth, and stalactiform blister rust, Cronartium coleosporioides Arth., the most prevalent stem rust. Also present were the Douglas-fir pitch moth, Synanthedon novaroensis (Hy. Edwards) (Lepidoptera: Sesiidae), comandra blister rust, Cronartium comandrae Pk., and western gall rust, Endocronartium harknessii J.P. Moore, and the stem canker Atropellis piniphila (Weir). Results from a likelihood ratio test indicated an association of western pine moth with stalactiform blister rust and of Douglas-fir pitch moth with both western gall rust and stalactiform blister rust. Western pine moth attacks are most commonly found along the active edge of stalactiform blister rust cankers, suggesting that the moth larvae derive some specific benefit from the fungus. The association of Douglas-fir pitch moth with the rusts appear to be a result of the physical wounding caused by the fungi, since attacks by this pitch moth are also frequently found at pruning wounds or other injuries.
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5

van der Kamp, B. J., and M. Spence. "Stem Diseases of Lodgepole Pine in the British Columbia Interior Following Juvenile Spacing." Forestry Chronicle 63, no. 5 (1987): 334–39. http://dx.doi.org/10.5558/tfc63334-5.

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The incidence of western gall rust, stalactiform and comandra blister rust, and atropellis canker was measured in four sets of permanent sample plots in young lodgepole pine stands in the interior of British Columbia in 1980 shortly following operational juvenile spacing and again in 1985. The incidence of these diseases in 1980 was often higher in the spaced areas than in unspaced controls indicating that comandra rust infections occurred with equal frequency in spaced and control areas while the increase in the incidence of stalactiform rust was much greater in thinned than in unthinned control areas. The pattern for atropellis canker was not clear. The proportion of trees with one or more infections by these diseases in 1980, and the number of infections per diseased tree, increased significantly with diameter in both thinned and control areas. By 1985 only 60.8 percent of the original number of trees in the thinned areas and 74.8 percent in unthinned control areas remained free of stem infections or threatening branch infections by these diseases.
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6

Wu, Harry X., and Cheng C. Ying. "Stability of resistance to western gall rust and needle cast in lodgepole pine provenances." Canadian Journal of Forest Research 28, no. 3 (1998): 439–49. http://dx.doi.org/10.1139/x98-009.

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Stability of 76 interior lodgepole pine (Pinus contorta ssp. latifolia Engelm.) provenances in resistance to western gall rust (Endocronartium harknessii (J.P. More) Y. Hiratsuka) and needle cast (Lophodermella concolor (Dearn.) Darker) was investigated from 19 and 23 sites in the British Columbia interior, respectively. Provenances, sites, and provenance by site interaction had significant effects on severity level of infection of both diseases. Susceptible provenances contributed mainly to the interaction. The resistant provenances to both diseases were very stable and essentially homeostatic across sites (regression coefficient approaching 0). Resistant provenances were concentrated in the jack pine (Pinus banksiana Lamb.) - lodgepole pine hybrid zone and adjacent areas, and provenances from the low-elevation interior wetbelt were also very resistant to needle cast. Geographic patterns of provenance variation revealed that the closer a lodgepole pine provenance is to the limit of jack pine distribution, the higher and more stable is its resistance to western gall rust and needle cast. The current multiple-site evaluation supports for the hypothesis that jack pine introgression influences pest defence in lodgepole pine and suggests genetic selection can be effective.
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7

Nugroho, Aditya, Vilda Puji Dini Anita, Deden Derajat Matra, Iskandar Zulkarnaen Siregar, and Ulfah Juniarti Siregar. "Development of Few Significant SNP Markers from Transcriptomic Data for Selection of Sengon (Falcataria falcata (L.) Greuter & R. Rankin) Resistant to Boktor Stem Borer and Gall Rust Disease." HAYATI Journal of Biosciences 31, no. 1 (2023): 110–25. http://dx.doi.org/10.4308/hjb.31.1.110-125.

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Sengon (Falcataria falcata (L.) Greuter & R. Rankin) plantations in Indonesia are threatened by attacks from Boktor stem borers and gall rust disease. Controlling pests and diseases is difficult; therefore, planting resistant trees obtained from tree selection programs is necessary. Currently, genomic breeding often incorporates GWAS, which uses thousands of SNP markers to identify markers with significant associations with the traits studied. This study aimed to bypass such expensive studies by identifying and developing SNP markers from sequences of putative resistance genes to Boktor stem borer and gall rust disease, identified from sengon transcriptomic data analysis. A total of 496,194 putative SNP sites were identified from transcriptomic sequences using the SAMtools and BFCtools programs, of which 119 SNP sites were associated with resistance genes. Of the 101 non-synonymous SNPs selected, only 12 were located in the conserved domain of each gene and were used for primer design. Of the 13 primers designed, only 10 were successfully amplified. Validation of 10 developed SNP markers on 100 sengon accessions using the HRM method confirmed a significant association between SNP markers and resistance traits, with a -log 10 (P-value) between 10.49 and 16.63. A few SNPs markers developed from putative resistance gene sequences are associated with resistance traits in sengon. Therefore, the SNP markers could be applied in selection programs for sengon trees resistant to Boktor stem borers and gall rust disease.
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8

Kamp, B. J. Van Der. "Limits to selection for disease resistance from natural tree populations." Canadian Journal of Forest Research 23, no. 9 (1993): 1944–47. http://dx.doi.org/10.1139/x93-245.

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It is demonstrated that for diseases characterized by a small number of discrete infections per tree, random placement of spores on trees results in substantial variation in the number of infections per tree. The consequences of this phenomenon for selection of resistant individuals and for natural selection are examined, using a previously reported distribution of susceptibility model for the western gall rust (Endocronartiumharknessii (J.P. Moore) Y. Hiratsuka)–lodgepole pine (Pinusconforta Dougl.) pathosystem as an example.
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9

Rajbongshi, Aditya, Thaharim Khan, Md. Mahbubur Rahman, Anik Pramanik, Shah Md Tanvir Siddiquee, and Narayan Ranjan Chakraborty. "Recognition of mango leaf disease using convolutional neural network models: a transfer learning approach." Indonesian Journal of Electrical Engineering and Computer Science 23, no. 3 (2021): 1681–88. https://doi.org/10.11591/ijeecs.v23.i3.pp1681-1688.

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The acknowledgment of plant diseases assumes an indispensable part in taking infectious prevention measures to improve the quality and amount of harvest yield. Mechanization of plant diseases is a lot advantageous as it decreases the checking work in an enormous cultivated area where mango is planted to a huge extend. Leaves being the food hotspot for plants, the early and precise recognition of leaf diseases is significant. This work focused on grouping and distinguishing the diseases of mango leaves through the process of CNN. DenseNet201, InceptionResNetV2, InceptionV3, ResNet50, ResNet152V2, and Xception all these models of CNN with transfer learning techniques are used here for getting better accuracy from the targeted data set. Image acquisition, image segmentation, and features extraction are the steps involved in disease detection. Different kinds of leaf diseases which are considered as the class for this work such as anthracnose, gall machi, powdery mildew, red rust are used in the dataset consisting of 1500 images of diseased and also healthy mango leaves image data another class is also added in the dataset. We have also evaluated the overall performance matrices and found that the DenseNet201 outperforms by obtaining the highest accuracy as 98.00% than other models.
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Rajbongshi, Aditya, Thaharim Khan, Md Mahbubur Rahman, Anik Pramanik, Shah Md Tanvir Siddiquee, and Narayan Ranjan Chakraborty. "Recognition of mango leaf disease using convolutional neural network models: a transfer learning approach." Indonesian Journal of Electrical Engineering and Computer Science 23, no. 3 (2021): 1681. http://dx.doi.org/10.11591/ijeecs.v23.i3.pp1681-1688.

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<p>The acknowledgment of plant diseases assumes an indispensable part in taking infectious prevention measures to improve the quality and amount of harvest yield. Mechanization of plant diseases is a lot advantageous as it decreases the checking work in an enormous cultivated area where mango is planted to a huge extend. Leaves being the food hotspot for plants, the early and precise recognition of leaf diseases is significant. This work focused on grouping and distinguishing the diseases of mango leaves through the process of CNN. DenseNet201, InceptionResNetV2, InceptionV3, ResNet50, ResNet152V2, and Xception all these models of CNN with transfer learning techniques are used here for getting better accuracy from the targeted data set. Image acquisition, image segmentation, and features extraction are the steps involved in disease detection. Different kinds of leaf diseases which are considered as the class for this work such as anthracnose, gall machi, powdery mildew, red rust are used in the dataset consisting of 1500 images of diseased and also healthy mango leaves image data another class is also added in the dataset. We have also evaluated the overall performance matrices and found that the DenseNet201 outperforms by obtaining the highest accuracy as 98.00% than other models.</p>
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Dissertations / Theses on the topic "Gall rust diseases"

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Schulting, Maureen Joan. "The genetics of disease interaction in the lodgepole pine : western gall rust host : parasite system." Thesis, University of British Columbia, 1988. http://hdl.handle.net/2429/28335.

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One hundred and eighty, three year old lodgepole pine (Pinus contorta var. latifolia Dougl.) seedlings, representing eighteen half sibling families were each inoculated with five different spore sources of western gall rust (Endocronartium harknessii (J.P. Moore) Hiratsuka) in June 1985 to investigate the genetics of disease interaction in this host:parasite system. Possible early symptoms of infection were recorded fourteen days after inoculation. Tabulations of the number of galls per shoot and shoot length were made in September 1985 and June 1986. Fifty-two percent (567 out of 1088) of the inoculated shoots became infected. The mean number of galls per infected shoot was 3.33. Statistical analyses indicated that only horizontal (quantitative) resistance was present in the lodgepole pine -western gall rust pathosystem. The lodgepole pine half sibling families and seedlings varied greatly in their horizontal resistance. The variation in levels of resistance found in lodgepole pine will allow for a successful western gall rust resistance breeding program. The number of galls per tree for the female parent trees did not significantly correlate with the percentage of shoots infected on the half-sibling progeny. Hence, tree breeders will have to test the resistance of progeny. Red staining was found more frequently on shoots that became infected suggesting that red staining is a possible early symptom of infection by western gall rust.<br>Forestry, Faculty of<br>Graduate
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Books on the topic "Gall rust diseases"

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Hoff, R. J. Susceptibility of pine populations to western gall rust--central Idaho. U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1986.

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Hoff, R. J. Susceptibility of lodgepole pine to western gall rust within the middle Columbia River system. U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1992.

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Hoff, R. J. Susceptibility of lodgepole pine to western gall rust within the middle Columbia River system. U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1992.

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Sun, Minggao, and Intermountain Research Station (Ogden, Utah), eds. Genetic variation in susceptibility of lodgepole pine to western gall rust in the inland Northwest. U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1994.

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Hoff, R. J. Genetic variation in susceptibility of lodgepole pine to western gall rust in the inland Northwest. U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1994.

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Hoff, R. J. Susceptibility of ponderosa pine to western gall rust within the middle Columbia River system. U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1990.

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Walkinshaw, C. H. How to classify fusiform rust galls on infected loblolly and slash pines. U.S. Dept. of Agriculture, Forest Service, Southern Region, 1988.

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Walkinshaw, C. H. How to classify fusiform rust galls on infected loblolly and slash pines. U.S. Dept. of Agriculture, Forest Service, Southern Region, 1988.

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McLellan, Paul William. Effects of mowing on the efficacy of the gall mite, Eriophyes chondrillae, on rush skeletonweed, Chondrilla juncea. 1991.

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Book chapters on the topic "Gall rust diseases"

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Beales, Paul. "Basic Principles of Plant Disease." In Plant Diseases and Biosecurity. Oxford University Press, 2019. http://dx.doi.org/10.1093/hesc/9780198827726.003.0001.

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This chapter explains that all plants get sick, whether they are wild or cultivated. It talks about how some plants suffer only mildly with no visible symptoms, while others succumb to more notable conditions such as leaf spots, leaf streaks and mosaics, stem cankers, swellings, scabs, and galls. The chapter looks at plant diseases that have been described since we have been able to record history. Early writings, including the Bible, mention famines and social depravity caused by rusts, mildews, and smuts. This chapter discusses how plant diseases affect the economy, environment, and social well-being of a country. It reviews records that show the number of plant diseases that have entered and established viable populations in countries around the world. These are increasing at an alarming rate..
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Conference papers on the topic "Gall rust diseases"

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Kudaeva, F. M., D. S. Cheglakov, I. V. Bugulova, and E. G. Byazrova. "TO THE FAUNA OF GALL-FORMING ARTHROPODS IN VLADIKAVKAZ." In THEORY AND PRACTICE OF PARASITIC DISEASE CONTROL. All-Russian Scientific Research Institute for Fundamental and Applied Parasitology of Animals and Plant – a branch of the Federal State Budget Scientific Institution “Federal Scientific Centre VIEV”, 2023. http://dx.doi.org/10.31016/978-5-6048555-6-0.2023.24.239-243.

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The regional assessment of the fauna of gall-forming arthropods on the vegetation&#x0D; of urban ecosystems in North Ossetia indicates a significant distribution of pests.&#x0D; Ticks with the prevalence of 62.5% dominate in the structure of phytophagans of the&#x0D; studied plants in Vladikavkaz. The proportion of gall-forming insects is 37.5%. Of&#x0D; the 25 species of studied plants, 8 are susceptible to arthropod attack. Gall-forming&#x0D; insects infect laminas of two types of trees and one type of shrub. Thus, the willow&#x0D; gall sawfly (Pontania proxima) was identified on the goat willow (Salix caprea), the&#x0D; elm-grass root aphid (Tetraneura ulmi) on the elm rough (Ulmus glabra), and the&#x0D; red currant aphid (Cryptomyzus ribis) on the golden currant (Ribes aureum). Gallforming mites inhabiting laminas of four types of trees and one type of shrub. Walnut&#x0D; leaf gall mite (Eriophyes tristriatus) was detected on the walnut (Juglans regia), the&#x0D; grape leaf rust mite (Calepitrimerus vitis) on the common grape (Vitis vinifera), the pear blister mite (Eriophyes pyri) on the pear Nart (Pyrus "Nart"), the maple gall mite&#x0D; (Aceria macrorhyncha) on the sycamore maple (Acer pseudoplatanus), and the red&#x0D; nail gall mite (Eriophyes tiliae) on the Caucasian linden (Tilia caucasica).
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