Response of Different Cultivars of Radish (Raphanus Sativus L.) to Alternaria Leaf Spot on Seed Production during Winter at Rupandehi Nepal

Ghimire, Madhu Sudhan; Khanal, Prativa; Pokhrel, Ambika; Nepal, Jyotsna; Thagunna, P.; Singh, Kanhaiya Prasad; Aryal, Laxman

doi:10.3126/ijasbt.v4i3.15170

Cited by 6 publications

(6 citation statements)

References 2 publications

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“…Our results for the days to appearance of disease contradict with the result of (Madhu Sudhan Ghimire, 2016) where they reported first disease appearance in the genotype 40 days on 24 th days after sowing. This might be due the seasonal differences between these researched since our study was conducted during monsoon whereas their research was executed during the winter season.…”

Section: Days To Appearance and Incidence Of Diseasecontrasting

confidence: 99%

“…Our study revealed non-significant result for the incidence of disease among the different genotypes of radish. We obtained highest disease incidence on Pyuthane Red (34.8%) and this result is in conformity with the findings of (Madhu Sudhan Ghimire, 2016) where they reported Pyuthane Red as one of the varieties with highest incidence of disease.…”

Section: Days To Appearance and Incidence Of Diseasesupporting

confidence: 92%

“…Our study divulged the highest average value of AUDPC in genotype 40 days with mean disease score of 3.4 which is in accordance with the findings of (Madhu Sudhan Ghimire, 2016) where they also recorded average AUDPC value on genotype Sparkle White (246.5) with 1.7 as mean score of disease. Similarly, 40 days was found to be moderately susceptible to Alternaria leaf spot while other varieties appeared to be moderately resistant, and no varieties were found to be completely resistant to the disease.…”

Section: Mean Disease Score and Mean Audpc And Reaction Of Genotypessupporting

confidence: 90%

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Varietal Screening of Radish Genotypes Against Alternaria Leaf Spot (Alternaria raphani) at Western Nepal

Adhikari¹,

Sharma²,

Karki³

et al. 2023

Turkish JAF Sci.Tech.

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Paucity of knowledge on resistant variety, high yield loss ranging from 32- 57% and dearth of knowledge on management of Alternaria leaf spot has been the major concerns in radish production in the world. Our study will aid in multiplication and standardization of the germane variety of radish resistant to Alternaria leaf spot disease so as to escalate the production, productivity, and the competitiveness in the domestic as well as in the international market. Hence, this experiment was rendered to screen the radish genotypes against Alternaria leaf spot disease in Western Nepal in 2021. Seven genotypes namely Sparkle white F1 hybrid, Korean cross, Palak-patta 35, Pyuthane red, 40 days, Geeta 33, and Mino early were used as the treatment and experiment was laid out in one factorial RCBD design. Each treatment was assigned with 8 plants for observation with 3 replications per treatment. Parameters like days to appearance of disease, incidence of disease on seedling, disease severity (3 scorings), mean score of disease, mean AUDPC and reaction of genotypes were measured during the experiment. Our study unveiled highly significant result for the days to appearance of disease, disease severity, mean score of disease and AUDPC among the genotypes of radish. Alternaria leaf spot first appeared in Pyuthane red (18.33 days) while appeared late in Mino early. Disease severity was found harsh in 40 days at each scoring (57.33, 64.67 and 70.33 respectively); on the contrary severity was minor in Sparkle white at each scoring (26.67, 35 and 44.17 respectively). Similarly, the highest MDS (3.4) and AUDPC (449.8) was found in 40 days, whereas the lowest MDS (1.7) and AUDPC (246.5) was observed in Sparkle white. Ultimately, it is contended that 40 days was found to be moderately susceptible variety while other varieties were found to be moderately resistant.

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Section: Days To Appearance and Incidence Of Diseasecontrasting

confidence: 99%

Section: Days To Appearance and Incidence Of Diseasesupporting

confidence: 92%

Section: Mean Disease Score and Mean Audpc And Reaction Of Genotypessupporting

confidence: 90%

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Varietal Screening of Radish Genotypes Against Alternaria Leaf Spot (Alternaria raphani) at Western Nepal

Adhikari¹,

Sharma²,

Karki³

et al. 2023

Turkish JAF Sci.Tech.

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“…Furthermore, after screening 260 accessions from 9 Asian and European countries, Jeon [114] discovered 54 radish accessions that were resistant to Fusarium wilt. Ghimire [115] also tested radish for Alternaria leaf spot.…”

Section: Breeding For Biotic and Abiotic Stressesmentioning

confidence: 99%

An Update on Radish Breeding Strategies: An Overview

Selvakumar¹

2023

Case Studies of Breeding Strategies in Major Plant Species

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In tropical, subtropical, and temperate climates, radish (Raphanus sativus L.) is a popular root vegetable. Radish diversity is intense from the eastern Mediterranean to the Caspian Sea. Many radish varieties have varied leaf morphology, root color, size, shape, flavor, vernalization requirements, and maturity times. Early radish variants were long and tapered rather than cylindrical, bulbous, elliptic, or spherical. For black Spanish radish, European-cultivated variety, and Asian-cultivated radish, three separate domestication processes occurred. The original radishes were black, followed by white in the 1500s then red and round in the 1700s. These are R. sativus L. var. radicula (sativus) or R. sativus L. var. niger radishes. Because of protogyny, self-incompatibility, open architecture, and biennial bolting, radish crosses readily. The fundamental methods for using heterotic breeding potential are SI, CMS, and doubled haploids (DH). This chapter discusses the various breeding strategies like inbred line development by the use of self-incompatibility, hybrid development by using male sterility system, population improvement, mutation breeding, haploid breeding, breeding strategies for biotic and abiotic stresses, QTL mapping, and genome wide and genomic tool in radish. Rapid developments in our understanding of advanced biotechnology technologies will increase our ability to identify cultivars and parental lines, check seed genetic purity, analyze phylogenetic links and genetic diversity, and add specific transgenic traits.

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“…Radish (Raphanus sativus L.) is one of the members of the Brassicaceae family and is one of the most signi cant edible, nutritious, and short-duration root vegetable crops growing in tropical to temperate zones of the globe (Dahal et al, 2020). Its popularity might be owing to its broader environmental tolerance, simple cultivation techniques, and larger range of usage (Ghimire et al, 2016). Radish is high in minerals and phytochemicals.…”

Section: Introductionmentioning

confidence: 99%

Effect of different organic manures on growth, yield, and quality of late season radish (Raphanus sativus) in Paklihawa, Rupandehi, Nepal

Pokharel,

Gurung,

Kharel

et al. 2023

Preprint

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Radish (Raphanus sativus L.) is a major root vegetable crop in Nepal. Organic manures are an indispensable substitute for the highly toxic inorganic fertilizers. A research experiment was conducted at the horticulture farm of Institute of Agriculture and Animal Science (IAAS), Paklihawa campus, Rupandehi, Nepal to investigate the effect of different organic manures on the growth, yield, and quality of Tokinashi variety of late-season radish. The experiment was conducted in a randomized complete block design (RCBD) with three replications. The seven different treatments were farm yard manure (FYM) (30 t ha-1), poultry manure (20 t ha-1), FYM (15 t ha-1) + poultry manure (10 t ha-1), FYM (15 t ha-1) + vermicompost (2.5 t ha-1), vermicompost (5 t ha-1), FYM (15 t ha-1) + Bone meal (5 t ha-1), and control (without use of organic manures). Poultry manure was observed significant effect on the growth and yield attributes of radish. The effect of poultry manure over other treatments, viz. plant height (31.17 cm), number of leaves (20.53), shoot length (29.68 cm), crown spread (51.4 cm), root length (28.6 cm), root diameter (10.81 cm), average root weight (130.2 gm), average shoot weight (71 gm), root dry weight (125.33 gm), harvest index (64.85%), shoot yield per hectare (16.22 t ha-1), biological yield per hectare (50.3 t ha-1), root yield per hectare (23.87 t ha-1), and total soluble solid (1.13 0Brix) were recorded maximum at harvest (77 days after sowing). The ascorbic acid was recorded maximum (0.181 mg ml-1) in vermicompost. It can be concluded that poultry manure can be used for higher yield for late-season radish cultivation under Rupandehi, Terai condition of Nepal.

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Response of Different Cultivars of Radish (Raphanus Sativus L.) to Alternaria Leaf Spot on Seed Production during Winter at Rupandehi Nepal

Cited by 6 publications

References 2 publications

Varietal Screening of Radish Genotypes Against Alternaria Leaf Spot (Alternaria raphani) at Western Nepal

Varietal Screening of Radish Genotypes Against Alternaria Leaf Spot (Alternaria raphani) at Western Nepal

An Update on Radish Breeding Strategies: An Overview

Effect of different organic manures on growth, yield, and quality of late season radish (Raphanus sativus) in Paklihawa, Rupandehi, Nepal

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