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Artykuły w czasopismach na temat „Resistant varieties”

Autor: Grafiati

Data publikacji: 2 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Pink, D. A. C., and P. Hand. "Plant resistance and strategies for breeding resistant varieties." Plant Protection Science 38, SI 1 - 6th Conf EFPP 2002 (2002): S9—S14. http://dx.doi.org/10.17221/10310-pps.

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An explanation of the ‘boom-bust’ cycle of resistance breeding was provided by the gene-for-gene relationship between a pathogen and its host. Despite this understanding, most R genes continued to be deployed singly and resistance has been ephemeral. The reasons for breeding ‘single R gene’ varieties are discussed. Alternative strategies for the deployment of R genes and the use of quantitative race non-specific resistance have been advocated in order to obtain durable resistance. The feasibility of both of these approaches is discussed taking into account the impact of technologies such as pl

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2

Esanovich, Karshiev Alisher. "SELECTING DROUGHT-RESISTANT APRICOT VARIETIES." American Journal of Agriculture and Biomedical Engineering 05, no. 01 (2023): 1–7. http://dx.doi.org/10.37547/tajabe/volume05issue01-01.

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Among local and introduced apricot varieties, it is aimed to isolate the varieties with valuable biological and economic properties, and to breed seedlings of the selected variety, to increase apricot groves by selecting varieties suitable for desert regions based on promising drought-resistant high-yielding varieties

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Esanovich, Karshiev Alisher. "SELECTION OF COLD-RESISTANT APRICOT VARIETIES." American Journal of Agriculture and Biomedical Engineering 05, no. 04 (2023): 14–20. http://dx.doi.org/10.37547/tajabe/volume05issue04-02.

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In the article, the adverse effects of winter and early spring cold temperatures on apricot trees are studied in the conditions of the Kashkadarya region of local and imported apricot varieties, and the biological characteristics of apricot varieties resistant to stress factors were isolated as a result of research observations to select promising varieties that are resistant to any weather conditions. and other positive features are listed.

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Santoso, Santoso, Anggiani Nasution, and Nani Yunani. "KERAGAMAN DAN SUMBER GEN KETAHANAN VARIETAS PADI LOKAL TERHADAP PATOGEN Pyricularia grisea PENYEBAB PENYAKIT BLAS." Jurnal Ilmu-Ilmu Pertanian Indonesia 22, no. 2 (2020): 119–28. http://dx.doi.org/10.31186/jipi.22.2.119-128.

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[DIVERSITY AND THE SOURCE OF RESISTANCE GENE OF LOCAL RICE VARIETIES ON THE PATHOGENIC OF Pyricularia grisea CAUSE OF BLAST DISEASE]. Local rice varieties are known to have resistance or source of genes to pests even though their productivity yield is low. The pathogen of Pyricularia grisea is a cause of blast disease, which is one of the obstacles in rice production. The research aims to characterize the resistance of local rice varieties to the pathogen of P. grisea and to evaluate the virulence level of P. grisea pathogens against local rice varieties. A total of 100 local rice varieties an

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5

Chethana, BS, CA Deepak, and MP Rajanna. "Identification of novel resistance source in traditional varieties against major diseases of rice." Oryza-An International Journal on Rice 57, no. 2 (2020): 116–25. http://dx.doi.org/10.35709/ory.2020.57.2.5.

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Traditional rice varieties maintained and cultivated by farmers are the potential sources of resistant donors that can be used for breeding rice varieties with durable resistance. They possess traits potentially adaptable to a wide range of abiotic and biotic stresses. Characterization of these germplasm is essential in rice breeding varieties and provides valued information for developing new rice. In this study, a large-scale screening of 167 traditional rice varieties was carried out to identify resistance sources against blast, sheath blight and brown spot diseases of rice. The mean locati

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KALORIZOU, H. A., S. R. GOWEN, and T. R. WHEELER. "GENOTYPIC DIFFERENCES IN THE GROWTH OF BANANAS (MUSA SPP.) INFECTED WITH MIGRATORY ENDOPARASITIC NEMATODES. 1. ROOTS." Experimental Agriculture 43, no. 3 (2007): 331–42. http://dx.doi.org/10.1017/s0014479707004978.

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The effects of nematodes on root morphology and the association of root characteristics with resistance to nematodes of seven banana varieties were investigated in two experiments. Banana plants were grown in controlled conditions within polytunnels and harvested on three occasions for the measurement of root morphology and biomass. Varieties differed in their resistance to nematodes, from resistant (Yg Km5, FHIA 17, FHIA 03) and partly resistant (FHIA 01, FHIA 25) to not resistant ((FHIA 23, Williams). Nematodes reduced the root dry weight of FHIA 01, FHIA 17 and FHIA 23 at some harvests. Pri

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Dreiseitl, A., and P. Pařízek. "Resistance of Spring Barley Varieties to Powdery Mildew in theCzechRepublicin 1971–2000." Czech Journal of Genetics and Plant Breeding 39, No. 2 (2011): 31–44. http://dx.doi.org/10.17221/3718-cjgpb.

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Resistance to powdery mildew of 127 spring barley varieties was evaluated in 702 official variety trials, using scores from 1 to 9. Trials with sufficient disease severity were only analysed. Varieties possessing the resistance genes Mla7 (Elgina), Ml(Kr) (BR-1519), Mla13 (Koral) and mlo (Forum) were among the most resistant ones. The varieties Diamant, HE-3527, HE-3631, II/61-FUDII and Zefir showed high susceptibility. Fifteen varieties, carrying the genes Mla1, Mla3, Mla6, Mla9, Mla13, Ml(Kr) and Ml(Sc), were in the first years of testing highly resistant, but became susceptible later. The s

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8

Derova, T. G., N. V. Shishkin, М. М. Ivanisov, and O. S. Kononenko. "Search for sources of resistance to leaf diseases among present winter bread wheat varieties in the southern part of the Rostov region." Grain Economy of Russia 16, no. 3 (2024): 100–106. http://dx.doi.org/10.31367/2079-8725-2024-92-3-100-106.

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The purpose of the current work was to search for sources of winter wheat varieties’ resistance to the most common pathogens of the area under artificial infectious backgrounds and recommend them for inclusion in the breeding process. The study was carried out on the experimental plots of the laboratory for plant immunity and protection of the FSBSI Agricultural Research Center “Donskoy” in 2021–2023. In order to expand the genetic diversity in immunity of newly developed varieties, it is necessary to use new sources of resistance. The objects of study were 78 winter wheat varieties from inter

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9

Kononenko, O. S., N. V. Shishkin, P. I. Kostylev, and N. T. Kupreishvili. "Search for sources of winter common wheat resistance to septoria (Zymoseptoria tritici) by field and laboratory methods." Grain Economy of Russia 17, no. 2 (2025): 80–85. https://doi.org/10.31367/2079-8725-2025-97-2-80-85.

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In order to develop highly productive winter common wheat varieties, it is necessary to pay attention not only to the state of the agrophytocenosis, but also to include disease-resistant plants in the breeding process. One of the most common diseases in Russia, including the Rostov region, is septoria (Zymoseptoria tritici). Varieties and samples with several septoria resistant genes are of great importance for breeding. Therefore, it is necessary to search for breeding material resistant to Zymoseptoria tritici to develop new resistant winter common wheat varieties. The purpose of the current

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10

Hrytsiuk, N. "Resistance of winter wheat varieties to root rots causative agents against artificial infection." Interdepartmental Thematic Scientific Collection of Phytosanitary safety, no. 69 (March 14, 2024): 52–61. https://doi.org/10.36495/phss.2023.69.52-61.

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Goal. The study of the varieties of domestic and foreign selection of winter wheat for resistance to the main pathogens of root rot (Fusarium graminearum and Bipolaris sorokiniana) and the determination of their harmfulness. Methods. Laboratory method — for the isolation of pathogens in pure culture, for artificial infection with pathogens of root rot, for the determination of growth parameters of winter wheat; dispersive, statistical and regressive methods for the reliability of the obtained results. Results. The agressiveness and the virulence of the main causative agents of winter wheat roo

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Hrytsiuk, N. "Resistance of winter wheat varieties to root rots causative agents against artificial infection." Interdepartmental Thematic Scientific Collection of Phytosanitary safety, no. 69 (March 14, 2024): 52–61. http://dx.doi.org/10.36495/1606-9773.2023.69.52-61.

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Goal. The study of the varieties of domestic and foreign selection of winter wheat for resistance to the main pathogens of root rot (Fusarium graminearum and Bipolaris sorokiniana) and the determination of their harmfulness. Methods. Laboratory method — for the isolation of pathogens in pure culture, for artificial infection with pathogens of root rot, for the determination of growth parameters of winter wheat; dispersive, statistical and regressive methods for the reliability of the obtained results. Results. The agressiveness and the virulence of the main causative agents of wint

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12

Geethanjali, Lingutla, Hem Singh, Bhupendra Singh, Narne Kavya, and Chandra Kant. "Screening of mustard varieties for biophysical and biochemical basis of host-plant resistance against mustard aphid, Lipaphis erysimi (Kaltenbach)." Journal of Entomological Research 49, no. 2 (2025): 402–9. https://doi.org/10.5958/0974-4576.2025.00065.2.

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In the present investigation, 20 mustard varieties, along with one check variety, were screened for resistance against mustard aphid infestation. The results categorized 2 varieties as highly resistant, 10 varieties as resistant, and 8 as moderately resistant. Aphid-infested plants exhibited a significant reduction in chlorophyll content, indicating a decline in photosynthetic efficiency. Furthermore, varieties with higher concentrations of secondary metabolites, such as total phenols, proteins, and glucosinolates, showed lower aphid incidence, suggesting their role in enhancing resistance.

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13

Keldysh, М. A., and O. N. Chervyakova. "Immune status of flower-ornamental plants in the collections of the Main Botanical Garden (Viral and Fungal Pathogens)." Pomiculture and small fruits culture in Russia 70 (October 19, 2022): 83–92. http://dx.doi.org/10.31676/2073-4948-2022-70-83-92.

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The article presents the results of studies to assess the resistance of a number of ornamental crops to viral and fungal pathogens. The objects were collections of Phlox L., Paeonia L., Dahlia L.; pathogens of powdery mildew phlox (Erysiphe cichoracearum D. C. f. phlogis Jacz.), cladosporiosis (Cladosporium paeoniae Pass.) and rust (Cronartium fl accidum (Alb. et Schw.) Wint.) peony, dominant viruses in the gene pool of these cultures. As a result of the conducted studies, it was found that the nature of interaction with pathogens at the level of plant varieties and genotypes is realized diffe

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14

Тао, Є., В. А. Власенко, O. M. Осьмачко, and О. М. Бакуменко. "Research status and prospect of genes related with resistance to powdery mildew of wheat." Bulletin of Sumy National Agrarian University. The series: Agronomy and Biology 42, no. 4 (2020): 49–60. http://dx.doi.org/10.32782/agrobio.2020.4.7.

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Wheat (Triticum aestivum L.) is one of the major grain crops in the world. Wheat powdery mildew is a fungal disease caused by the infection of Blumeria graminis F. sp. tritici. It is one of the most severe wheat diseases globally, seriously affecting the yield and quality of wheat. At present, the main ways to control powdery mildew are the use of fungicides and the cultivation of disease-resistant varieties. The extensive spraying of fungicides causes pesticide residues and environmental pollution. At present, no matter wild type or artificially bred wheat powdery mildew resistant varieties a

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Marfori, Yoryncita, Merdelyn Caasi-Lit, and Tonette Laude. "Efficacy Study of Selected Maize (Zea mays L.) Genotypes Against the Asian Corn Borer, Ostrinia furnacalis (Guenée)." Philippine Agricultural Scientist 104, no. 3 (2021): 248–58. https://doi.org/10.62550/cu11024020.

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Laboratory and screen house studies were conducted to assess the efficacy of selected twenty-six maize varieties against Asian corn borer (ACB), Ostrinia furnacalis (Guenée). Hierarchical tree based on resistance parameters clearly revealed that the twenty-six maize varieties are best classified into three groups, viz. resistant, intermediate, and susceptible. In laboratory test, the varieties RCS2, RCS4, RCS5, 'IPB Var13', Bt2, Bt3, and Bt4 were consistently identified as highly resistant. Further examinations in stalk feeding assay showed that the resistant varieties had sharp decline in lar

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de Vries, G. E. "Canola blackleg-resistant varieties." Trends in Plant Science 5, no. 7 (2000): 277. http://dx.doi.org/10.1016/s1360-1385(00)01709-x.

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Tarasova, E. V., and I. A. Kapitova. "Screening of raspberry <i>Rubus idaeus</i> plants of the FSBSO ARHCBAN collection for a marker associated with the <i>RBDV</i> virus resistance trait." Pomiculture and small fruits culture in Russia 76 (April 12, 2024): 18–26. http://dx.doi.org/10.31676/2073-4948-2024-76-18-26.

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Viral damage produces a signiﬁcant detrimental eﬀect on raspberry plantations. Raspberry bushy dwarf virus (RBDV) appears particularly harmful, capable to signiﬁcantly reduce raspberry yields. The high prevalence of RBDV is due to its ability to be transmitted by pollen and the absence of visible symptoms on plants during the ﬁrst stages of infection. Breeding of RBDV-resistant varieties can signiﬁcantly reduce the damage caused by RBDV infection. Therefore, a search for genetic markers of RBDV resistance is considered particularly relevant. At present, the Bu gene is identiﬁed with the domina

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Randhawa, H., B. J. Puchalski, M. Frick, et al. "Stripe rust resistance among western Canadian spring wheat and triticale varieties." Canadian Journal of Plant Science 92, no. 4 (2012): 713–22. http://dx.doi.org/10.4141/cjps2011-252.

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Randhawa, H., Puchalski, B. J., Frick, M., Goyal, A., Despins, T., Graf, R. J., Laroche, A. and Gaudet, D. A. 2012. Stripe rust resistance among western Canadian spring wheat and triticale varieties. Can. J. Plant Sci. 92: 713–722. Stripe rust (Puccinia striiformis Westend.) is an important pathogen of wheat in western Canada and worldwide. One hundred and four spring wheat and triticale varieties and cultivars were evaluated for resistance to stripe rust in nurseries at Lethbridge and Creston, BC, during 2009 and 2010. In the Canada Prairie Spring Red (CPSR) wheat class, newer varieties were

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Iswanto, Eko Hari, Dede Munawar, and Rahmini Rahmini. "RESISTANCE EVALUATION OF MODERN RICE VARIETIES TO BROWN PLANTHOPPER Nilaparvata lugens STÅL." Jurnal Hama dan Penyakit Tumbuhan Tropika 20, no. 2 (2020): 157–64. http://dx.doi.org/10.23960/jhptt.220157-164.

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Resistance evaluation of modern rice varieties to brown planthopper Nilaparvata lugens STÅL. The research was performed to understand the resistance of modern rice varieties to the field population of brown planthopper (BPH). The research studied BPH settling preference, numbers of laid eggs, and functional plant loss index (FPLI) of resistant and susceptible rice varieties. The results showed BPH were less settle and laid fewer eggs on resistant varieties. BPH significantly settled longer on TN1 than other varieties after 24 hours. The numbers of eggs laid on rice resistant varieties (Inpari

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Younas, Muhammad, Huasong Zou, Tasmia Laraib, et al. "The impact of insecticides and plant extracts on the suppression of insect vector (Bemisia tabaci) of Mungbean yellow mosaic virus (MYMV)." PLOS ONE 16, no. 9 (2021): e0256449. http://dx.doi.org/10.1371/journal.pone.0256449.

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Mungbean yellow mosaic virus (MYMV) is an important constraint in successful production of mungbean (Vigna radiata L.) in many countries, including Pakistan. The MYMV spreads by insect vector whitefly (Bemisia tabaci Gennadius). The use of resistant cultivars is the most effective management tactics for MYMV. Twenty mungbean varieties/lines were screened against insect vector of MYMV under field condition in the current study. Resistance levels for varieties/lines were assessed through visual scoring of typical disease symptoms. Furthermore, the impacts of two insecticides ‘Imidacloprid’ and ‘

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Horgan, Finbarr G., Thais Fernanda S. de Freitas, Eduardo Crisol-Martínez, Enrique A. Mundaca, and Carmencita C. Bernal. "Nitrogenous Fertilizer Reduces Resistance but Enhances Tolerance to the Brown Planthopper in Fast-Growing, Moderately Resistant Rice." Insects 12, no. 11 (2021): 989. http://dx.doi.org/10.3390/insects12110989.

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The brown planthopper, Nilaparvata lugens (Stål), is a key challenge to rice production in Asia. Outbreaks of planthoppers are associated with excessive fertilizer applications; consequently, we examined planthopper interactions with susceptible, tolerant and resistant varieties of rice under varying levels of soil nitrogen in a greenhouse experiment. We compared planthopper fitness (survival × reproduction) and plant tolerance (functional plant loss index) for 16 varieties at 0, 80 and 150 Kg added nitrogen ha−1. The planthoppers grew larger, developed more quickly and laid more eggs on susce

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Budi, Ismed Setya, Mariana Mariana, and Amalia Fauziah. "Resistance of cayenne pepper varieties (Capsicum frutescens) to anthracnose disease (Colletotrichum gloeosporioides) isolates from swampy areas." Jurnal Ilmiah Pertanian 20, no. 3 (2023): 232–46. http://dx.doi.org/10.31849/jip.v20i3.16042.

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Anthracnose, a primary disease in chili plants caused by the pathogen fungus Colletotrichum sp., has proven significant losses by affecting harvests and inducing fruit decay. Control measures using synthetic pesticides have been implemented but yielded unsatisfactory results. The utilization of resistant varieties stands as a pertinent approach in early control efforts to minimize harvest losses. Additionally, the use of resistant varieties is a crucial component of integrated disease control implementation. This study aims to investigate the resistance levels of ten chili varieties commonly g

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Kanngan, Kittiya, Phijittra Umalee, Khanobporn Tangtrakulwanich, Rungrote Nilthong, and Somrudee Nilthong. "Identification of Major Brown Planthopper Resistance Genes in Indigenous Thai Upland Rice Germplasm Using Molecular Markers." Agronomy 13, no. 10 (2023): 2605. http://dx.doi.org/10.3390/agronomy13102605.

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Brown planthopper (BPH) is the most problematic insect in rice cultivation, as it decreases crop yields. In this study, 143 upland rice varieties were genotyped for five essential Bph resistance genes: bph2, Bph3, Bph14, Bph15, and Bph17. The gene frequencies of the five Bph resistance genes varied from 33.57% to 61.54%. The 139 varieties contained one to five Bph resistance genes. Polymorphism information content values ranged from 0.4460 to 0.4984 with an average of 0.4744. Cluster analysis supported the subpopulations identified by STRUCTURE. An analysis of molecular variance analysis ident

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Zhunusova, Ayakoz, and Amangeldy Sarbaev. "RESISTANCE OF BARLEY VARIETIES TO MAJOR FUNGAL DISEASES." Biosafety and Biotechnology, no. 10 (June 27, 2022): 31–43. http://dx.doi.org/10.58318/2957-5702-2022-9-31-43.

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Barley is one of the most common grain crops in the world, but on the territory of Kazakhstan, the culture has acquired great agricultural importance due to its unpretentiousness in production in a difficult climate. One of the promising areas in agriculture is the identification of varieties resistant to fungal diseases. The main aspect when using resistant varieties of barley is to improve the quality of products due to the partial or complete rejection of chemical processing. In 2021-2022 On the experimental field of the Kazakh Research Institute of Agriculture and Crop Production, a field

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SALMON, Jean-Michel, Hernan OJEDA, and Jean-Louis ESCUDIER. "Disease resistant grapevine varieties and quality: the case of Bouquet varieties." OENO One 52, no. 3 (2018): 225–30. http://dx.doi.org/10.20870/oeno-one.2018.52.3.2139.

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The disease resistant grapevine varieties (ref A. Bouquet) were obtained by INRA from 4 or 5 generations of backcrossing between Muscadinia rotundifolia and Vitis vinifera and exhibit a high level of resistance against downy and powdery mildew. These varieties carry the resistance genes RUN 1 and RPV1, with several other secondary genes at one chromosomal locus. Agronomic criteria were studied for all these selections. Among the selected grapevine species, some have high levels of polyphenols. Some (white and red) have a high aromatic potential, while others have low sugar contents (135 g/L to

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Derova, T. G., N. V. Shishkin, O. S. Kononenko, and N. E. Samofalova. "Brown rust (Puccinia triticina) and powdery mildew (Blumeria graminis) resistance of the winter durum wheat varieties at ARC “Donskoy”." Grain Economy of Russia, no. 2 (April 28, 2022): 89–94. http://dx.doi.org/10.31367/2079-8725-2022-80-2-89-94.

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In order to increase food grain production of winter durum wheat, which is of high quality for producing cereals and pasta, it is necessary to increase the sown areas, which require varieties that meet the requirements of modern production to develop highly productive varieties with specified grain quality parameters and resistance to diseases. Both for bread wheat and durum wheat the harmful diseases are leaf rust and powdery mildew. The generally accepted methods of fighting them is the development of pathogen resistant varieties. Breeding for the resistance of this crop has been carried out

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Myroshnychenko, D., and M. Pikovskyi. "Resistance of rose varieties to black spot." Interdepartmental Thematic Scientific Collection of Phytosanitary safety, no. 69 (March 14, 2024): 107–17. https://doi.org/10.36495/phss.2023.69.107-117.

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Goal. To evaluate the resistance of tea-hybrid and floribunda roses to black spot caused by the fungus Diplocarpon rosae F.A. Wolf. (Marssonina rosae (Lib.) Died.). Methods. Laboratory — for diagnosis of the disease and identification of its causative agent. Field — visual assessment of the distribution and degree of development of black spot (on a 6-point scale) on rose varieties under conditions of a natural infectious background. Mathematical and statistical — to assess the reliability of experimental results. Results. The conducted studies show that during the growing seasons of 2022—2023,

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Myroshnychenko, D., and M. Pikovskyi. "Resistance of rose varieties to black spot." Interdepartmental Thematic Scientific Collection of Phytosanitary safety, no. 69 (March 14, 2024): 107–17. http://dx.doi.org/10.36495/1606-9773.2023.69.107-117.

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Goal. To evaluate the resistance of tea-hybrid and floribunda roses to black spot caused by the fungus Diplocarpon rosae F.A. Wolf. (Marssonina rosae (Lib.) Died.). Methods. Laboratory — for diagnosis of the disease and identification of its causative agent. Field — visual assessment of the distribution and degree of development of black spot (on a 6-point scale) on rose varieties under conditions of a natural infectious background. Mathematical and statistical — to assess the reliability of experimental results. Results. The conducted studies show that during the growing seasons o

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Chen, Qingqing, Yiqun Hu, Wenjie Shen, and Aifang Zhang. "Evaluation of Rice Blast Resistance and R Gene Analysis in Japonica Rice Varieties Tested in the Anhui Region." Agronomy 15, no. 5 (2025): 1008. https://doi.org/10.3390/agronomy15051008.

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Rice blast caused by the ascomycete fungus Magnaporthe oryzea is one of the most widespread and destructive rice diseases worldwide. The most economical and effective strategy for controlling rice blast is the rational use and promotion of disease-resistant varieties. To enhance disease resistance, it is essential to analyze the resistance levels of rice varieties and the role of resistance (R) genes. To investigate blast resistance, R gene distribution, and their contributions in japonica rice, 287 varieties were evaluated through artificial inoculation. PCR detection was also performed using

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R, VELUSAMY, and GANESH KUMAR M. "Genetic evaluation for resistance to rice white backed planthopper Sogatella furcifera (Horvath) in brown planthopper resistant rice varieties." Madras Agricultural Journal 87, March (2000): 14–20. http://dx.doi.org/10.29321/maj.10.a00407.

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Of 15 planthopper resistant varieties evaluated for resistance to Sogatella furcifera, nine had high levels of resistance. Among the IR varieties, IR 36 and IR 56 had field resistance to Sfurcifera as indicated by their susceptibility in the standard seedbox test and resistance as older plants in the modified seedbox test. Insect growth and development, food intake, longevity and egg hatchability differed significantly among varieties of the same age and at different plant ages within the same variety. Population increase on resistant varieties was low at the two plant ages tested.

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Necheporenko, L., and S. Vorozhko. "Perspective resources of resistance of spring oats to loose smut." Karantin i zahist roslin, no. 5-6 (May 20, 2019): 20–23. http://dx.doi.org/10.36495/2312-0614.2019.5-6.20-23.

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Goal. Search for the most valuable sources of spring oats, resistant to the defeat of loose smut. Methods. Field, finely divided. The area of the crop area is 2 m2, the repetition is three times. The study was carried out in fields at Verhnyachka experimental breeding station of the Institute of biopower crops and sugar beet of NAAS of Ukraine. The materials for the research were 94 own selection created varieties with the involvement of varieties of different ecological and geographical origin, obtained from the National Center for Plant Genetic Resources of Ukraine. Results. The

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Zelya, A., G. Zelya, T. Sonetsi, and T. Makar. "Selection of potato varieties resistant to wart Synchytrium endobioticum Schilbersky Percival." Karantin i zahist roslin, no. 2 (July 13, 2022): 15–20. http://dx.doi.org/10.36495/2312-0614.2022.2.15-20.

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Goal. The results of researches for selection potato varieties and breeding material of Ukrainian and foreign selection resistant to wart for inclusion in the State Register of plant varieties suitable for distribution in Ukraine and introduce them into disease foci. Methods.The study involved 13 varieties of potatoes: 3 varieties of Ukrainian selection and 10 — foreign. Evaluation of breeding material for resistance to common 1 (D1) and aggressive pathogens of potato cancer was performed in the laboratory of the Ukrainian Research Plant Quarantine Research Station of the NAAS on an arti

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Tsetskladze, Ts, Z. Sikharulidze, M. Muradashvili, and K. Sikharulidze. "Screening of tomato varieties for resistance to major fungal diseases and bacterial wilt." Interdepartmental Thematic Scientific Collection of Plant Protection and Quarantine, no. 64 (November 19, 2018): 268–73. http://dx.doi.org/10.36495/1606-9773.2018.64.268-273.

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The resistance of local and introduced tomato varieties to early blight (Alternaria solani Sorauer) and late blight (Phytopthora infestans (Mont.) de Bary) were evaluated in the field and to bacterial wilt (Ralstonia solanacearum) were tested under artificial infection in greenhouse conditions. Three varieties (De-brao krasnii, De-brao Rozovii and Sultan F1) showed the moderate resistance to early blight, while the only two varieties (De-brao krasnii and De-brao Rozovii) were moderate resistant to late blight. The remaining samples showed susceptibility to disease. The tested varieties s

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Shi, Lin, Xixi Dong, Hao Fu, et al. "Differences in Physiological Characteristics of Green Prickly Ash Germplasm Resources in Response to Low-Temperature Stress." Horticulturae 9, no. 11 (2023): 1242. http://dx.doi.org/10.3390/horticulturae9111242.

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In this study, we investigated the physiological response to low-temperature stress and comprehensively evaluated the cold resistance of green prickly ash germplasms. One-year-old branches of 23 green prickly ash varieties were used as experimental materials, three branches were selected from each variety, and three replicates of single branches were established. Subsequently, the physiological responses of the 23 green prickly ash germplasm resources to low-temperature stress were analyzed based on the relative conductivity (REC), osmotic adjustment substances, and antioxidant enzyme activiti

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Li, Han, Mingshuang Tang, Tao Zheng, et al. "Differences in Rhizosphere Microbial Community Structure and Composition in Resistance and Susceptible Wheat to Fusarium Head Blight." Cellular Microbiology 2023 (October 31, 2023): 1–11. http://dx.doi.org/10.1155/2023/9963635.

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Fusarium head blight (FHB) is a serious disease of wheat that threatens wheat production worldwide. In this study, high-throughput sequencing technology was used to analyze the rhizosphere soil microbial metagenomes of 4 wheat cultivars with different levels of resistance to FHB. The results showed that there were differences in the diversity, structure, and composition of rhizosphere microorganisms between resistant and sensitive varieties. The rhizosphere soil bacterial diversity of the resistant wheat varieties Su Mai 3 and Yang Mai 16 was higher than that of the susceptible wheat varieties

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Yang, Wenlong, Jiangping Song, Xiaohui Zhang, et al. "Detection of Clubroot Disease Resistance in Brassica juncea Germplasm at the Seedling Stage." Agronomy 14, no. 9 (2024): 2042. http://dx.doi.org/10.3390/agronomy14092042.

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Infection by the mustard clubroot disease pathogen Plasmodiophora brassicae has a significant negative impact on the quality and yield of Chinese mustard (Brassica juncea). At present, screening resistant resources for breeding programs is the most economical and effective method available to control this disease. In this study, we isolated P. brassicae physiological race 4 from Chinese cabbage and examined 483 mustard germplasm resources (193 leaf mustard, 96 stem mustard, and 194 root mustard) from China and abroad to identify resistance to clubroot disease at the seedling stage through irri

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Gong, Gu, Yu-Dan Zhang, Zhen-Fei Zhang, and Wei-Jian Wu. "Alternately Rearing with Susceptible Variety Can Delay the Virulence Development of Insect Pests to Resistant Varieties." Agriculture 12, no. 7 (2022): 991. http://dx.doi.org/10.3390/agriculture12070991.

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Resistant crop varieties can usually decrease the population density of insect pests; however, they can also easily cause the occurrence of highly virulent pest populations when repeatedly grown. Whether herbivorous insects feeding intermittently on a susceptible variety affects their subsequent virulence has rarely been investigated. In this paper, we examined the variations in the virulence of the brown planthopper (BPH), Nilaparvata lugens (Stål) (Hemiptera: Delphacidae), by alternately rearing three resistant rice varieties, Mudgo, ASD7, and Rathu Heenati, with a susceptible rice variety (

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Salisbury, PA, DJ Ballinger, N. Wratten, KM Plummer, and BJ Howlett. "Blackleg disease on oilseed Brassica in Australia: a review." Australian Journal of Experimental Agriculture 35, no. 5 (1995): 665. http://dx.doi.org/10.1071/ea9950665.

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Blackleg, caused by the fungus Leptosphaeria maculans, is the major disease of canola (Brassica napus) in Australia. The development of blackleg-resistant B. napus varieties has been a major factor in the resurgence of the industry nationwide. The main sources of resistance used in Australian public breeding programs are Japanese spring varieties and French winter varieties. In these programs, all early generation material is screened in field blackleg nurseries sown on, or adjacent to, infested canola stubble from the previous season. Little is known about the genetic control of resistance, a

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Kalybekova, Zh T., Goodman Adrian, E. V. Zuev, and V. I. Tsygankov. "SCREENING FOR DROUGHT RESISTANCE IN SPRING SOFT WHEAT FROM VARIOUS GEOGRAPHICAL ORIGINS BY SEED GERMINATION IN SUCROSE SOLUTIONS WITH DIFFERENT OSMOTIC PRESSURE AND ASSESSMENT OF THEIR ADAPTABILITY TO THE ACUTELY DRY CONDITIONS OF WESTERN KAZAKHSTAN." BULLETIN of the Korkyt Ata Kyzylorda University 1 (2024): 35–47. http://dx.doi.org/10.52081/bkaku.2024.v68.i1.127.

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This article reports the results of laboratory studies on the germination of seeds of varieties and samples of spring soft wheat of various geographical origins in sucrose solutions with different osmotic pressure. We used 175 samples and varieties of spring soft wheat from the collection of the All-Russian Institute of Plant Genetic Resources named after N.I. Vavilov (St. Petersburg, Russia) and selection from the Aktobe Agricultural Experimental Station. Seeds of 112 varieties and samples were germinated in sucrose solutions at both 16 atm and 18 atm and were characterized for drought resist

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Derova, T. G., N. V. Shishkin, and N. E. Samofalova. "Study of the initial material and its use in winter durum wheat breeding for resistance to the Rostov population of the smut pathogen." Grain Economy of Russia, no. 5 (November 10, 2023): 112–18. http://dx.doi.org/10.31367/2079-8725-2023-88-5-112-118.

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The current paper has presented the study results of the resistance of winter durum wheat varieties to the causative agent of smut under infectious background conditions. The purpose of the study was to identify new sources of smut resistance of winter durum wheat under conditions of artificial inoculation and their use in breeding programs. In the period from 2010–2022 there were studied annually more than 100 varieties and samples. According to the results of 2010, practically resistant varieties of Competitive (CVT) and Interstation Variety Testing (IVT) amounted to 1.4 and 6.7 % of those s

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Zoteyeva*, N. M., and O. S. Kosareva. "Assessment of potato varieties preserving at VIR’s collection to (Phytophthora infestans) resistance for late blight in field and laboratory evaluation." PLANT PROTECTION NEWS 104, no. 2 (2021): 113–19. http://dx.doi.org/10.31993/2308-6459-2021-104-2-14616.

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Thirty-eight varieties of potato Solanum tuberosum L. from the N. I. Vavilov All-Russian Institute of Plant Genetic Resources (VIR) collection were studied for leaf and tuber resistance to late blight. Аn aggressive Phytophthora infestans isolate collected from VIR experimental field was used for inoculation at a concentration of 50,000 zoospores/ml. The disease severity was evaluated using a scale from 1 to 9 grades, where grade 9 means resistant. Recent field observations revealed that most of the variety accessions were sensitive to late blight. In the present study, some of the varieties i

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Kudryavceva, Lyudmila. "The stability of varieties is an important element of the integrated protection of flax from." Agrarian Bulletin of the 214, no. 11 (2021): 36–44. http://dx.doi.org/10.32417/1997-4868-2021-214-11-36-44.

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Abstract. The purpose of the research is to characterize the varieties of long-legged flax included in the State Register of Breeding Achievements in terms of resistance to fusarium wilt, rust, anthracnose and pasmo. The research was conducted in 2018–2020 in vegetative, laboratory and field conditions at the All-Russian Research Institute of Flax (currently: A separate division Research Institute of Flax). As an object of research, we used varieties of flax-long-legged flax included in the State Register of Breeding Achievements of the Russian Federation for 2018–2020. Methods. The studies we

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YAKIMOVICH, O. A., Y. G. KONDRATENOK, T. N. MARTSINKEVICH, and T. N. CHIGIR. "RUST (GYMNOSPORANGIUM SABINAE (DICKS.) G. WINTER) RESISTANCE OF PEAR VARIETIES RELEASED IN BELARUS." Fruit-Growing 34 (August 8, 2022): 30–37. http://dx.doi.org/10.47612/0134-9759-2022-34-30-37.

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The article presents preliminary results of an assessment of field resistance to rust (Gymnosporangium sabinae (Dicks.) G. Winter) of 27 pear varieties released in Belarus. The studies were conducted in 2017–2021 at RUE “Institute of Fruit Growing”. Differentiation of pear varieties according to the degree of rust resistance was revealed: highly resistant (Dessert Rossoshanskaya, Pamiati Yakovlev), medium resistant (Bere Loshitskaya, Viliya, etc.), low resistant (Bere Alexander Luka, Velesa, Duchesse summer, Conference, etc.) and very low resistant (Belarusian late).

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Zelya, A., G. Zelya, T. Sonets, T. Makar, and M. Mykhailyk. "Potato of foreign breeding varieties’ evalution on resistance to casuative agents of wart Synchytrium endobioticum Schilbersky Percival." Karantin i zahist roslin, no. 3 (September 30, 2023): 10–15. http://dx.doi.org/10.36495/2312-0614.2023.3.10-15.

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Goal. To evaluate and to choose potato varieties of foreign breeding material resistant to wart for inclusion in the State Register of plant varieties suitable for distribution in Ukraine and improve them into disease sources. Methods. The study involved 5 potatoes varieties of foreign breeding: Mia and Baltic Fire — breeding of company Norica Nordring-Kartoffelzucht und Fermerungs GmbH Gross Lusewitz (Germany); Lady Amarilla and Acoustic breeding of company See Meijer B B (Great Britain); Sensation IPM Potato Group Ltd (Ireland). Evaluation of breeding material for resistance to common

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Akhter, Gulwaiz, and Tabreiz Ahmad Khan. "Response of brinjal (Solanum melongena L.) varieties for resistance against root-knot nematode, Meloidogyne incognita race-1." Journal of Phytopharmacology 7, no. 2 (2018): 222–24. http://dx.doi.org/10.31254/phyto.2018.7221.

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Thirty brinjal varieties were screened for their resistance / susceptibility to root-knot nematode (Meloidogyne incognita race-1) infestation. Out of 30 brinjal varieties, eighteen varieties viz., Black Beauty, Brinjal 1 hybrid, Brinjal No.38, Chamak, Govinda, Green round, Nagina, Nav Kiran, Neel Kamal, Nishant, P.K-123, Prabha Kiran, Prasad, Sukhda, Surya Kiran, i9Utkal, VNR-51 and VNR-60 were highly susceptible, seven varieties (Brinjal Advance, Brinjal BSS1013, Green long, Harshit, Prapti, Shamli and Ujjwal) were susceptible, two varieties (Mahy 112 and Mahy Ruby) were tolerant, two varieti

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Intikhab, Anisa. "Molecular and Phenotypic Analysis of Bread Wheat Varieties in Relation to Durable Rust Resistance." International Journal of Agriculture and Biology 26, no. 02 (2021): 329–36. http://dx.doi.org/10.17957/ijab/15.1841.

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Global wheat production is constantly threatened by rust diseases. Identifying resistant genes is a useful tactic to control wheat rust pathogen. Twenty-six wheat varieties were screened with twelve Simple Sequence Repeats (SSR) markers to detect rust resistant genes and the efficacy of genes was validated through field testing. The alleles Lr32, Lr39, Lr50, SrCad and SrWeb were not amplified in the varieties included in this study. The SSR markers indicated that the varieties viz., Chakwal-97, Bakhar-2002 and Lasani-2008 had a combination of 02 slow rusting alleles (Lr46/Yr29 and Yr18/Lr34).

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LAGONENKO, V. Y., A. L. LAGONENKO, I. G. POLUBYATKO, O. A. YAKIMOVICH, N. P. MAKSIMOVA, and M. S. KASTRITSKAYA. "RESISTANCE OF FRUIT CROPS VARIETIES TO PHYTOPATHOGENIC BACTERIA PSEUDOMONAS SYRINGAE PV. SYRINGAE." Fruit-Growing 34 (August 8, 2022): 48–56. http://dx.doi.org/10.47612/0134-9759-2022-34-48-56.

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The resistance of cherry, sweet cherry and pear varieties to bacterial canker was analyzed by using the method of arti- ficial contamination of unripe fruits. Two resistance groups were highlighted among the six analyzed cherry varieties: Uyfehertosh Fürthosh variety exercised the highest degree of resistance and Turgenevka exercised the lowest degree. Three groups of resistance were identified among the ten studied varieties of sweet cherries; the cultivar Lyubava Donetskaya turned out to be the most resistant, Gascinets proved to be the most affected. Four groups of resista

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Xu, Yunlong, Jun Wang, Guangxiang Tian, et al. "Bacillus velezensis Isolate X5 Stimulates the Resistance of Resistant and Susceptible Banana Varieties to Foc Through Different Mechanisms." Journal of Fungi 11, no. 5 (2025): 379. https://doi.org/10.3390/jof11050379.

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Banana wilt disease is an important disease in banana production, causing significant losses. Herein, we investigated the mechanism by which Bacillus velezensis isolate X5 enhances the resistance of different resistant banana cultivars to Fusarium oxysporum f. sp. cubense race 4 (Foc4). From the perspectives of metabolism, transcriptome, and key genes in important pathways, this study analyzed the composition and content changes of other types of signaling molecules, such as free amino acids and soluble sugars, in resistant/susceptible varieties. The results indicate that under pathogen stress

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Medvedeva, L. R., Ya I. Krentsiv, T. V. Mostipan та L. I. Kalinina. "Soybean collection of the Institute of Agriculture of the Steppe of the NAАS and its breeding value in the conditions of the Steppe of Ukraine." Scientific Journal Grain Crops 4, № 2 (2020): 221–29. http://dx.doi.org/10.31867/2523-4544/0129.

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The collection soybean nursery at the Institute of Steppe Agriculture of the National Academy of Agrarian Sciences of Ukraine includes 144 varieties of domestic and foreign selection. The variety of the studied samples allows to allocate to a greater extent economically; valuable signs and to pick up parental forms for selection of soybeans on various directions of use. The results of research in the collection nursery for 10 years (2010–2019) are given. In the course of research the collection varieties of soybeans of different ecological and geographical origin were used. Collectible varieti

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Yuliani, Dini, and Wage Ratna Rohaeni. "HERITABILITAS, SUMBER GEN, DAN DURABILITAS KETAHANAN VARIETAS PADI TERHADAP PENYAKIT HAWAR DAUN BAKTERI/ Heritability, Gene Resource, and Durability of Rice Varieties Resistance To Bacterial Leaf Blight Disease." Jurnal Penelitian dan Pengembangan Pertanian 36, no. 2 (2017): 99. http://dx.doi.org/10.21082/jp3.v36n2.2017.p99-108.

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<p>Bacterial leaf blight (BLB) disease is one of the obstacles in increasing of rice production. The use of resistant varieties is an effective and easy to implement for farmers. This paper discusses the heritability and source of resistance genes of rice varieties against the BLB disease and strategies to maintain the durability of resistant varieties as one of the control efforts through plant breeding to supports the increasing of rice production. Assembling and development of resistant varieties play an important role in controlling BLB disease because it has a genetic resistance<

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