2020
DOI: 10.22271/chemi.2020.v8.i5o.10433
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Morphological and cultural variability of Fusarium spp. causing wilt in chilli in Karnataka

Abstract: Morphological and cultural variability was studied among the isolates of Fusarium spp. collected from fusarium wilt infested chilli fields of north Karnataka. The isolates cultured on potato dextrose agar medium showed considerable cultural variabilities in colony diameter, colony morphology, pigmentation and morphological variabilities in conidial size, septation and sporulation rate. Colony diameter among F. oxysporum isolates ranged from 63.93-89.87 mm and produced white fluffy cottony growth with orangish … Show more

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“…The length of microconidia varied from 7.12 to 8.47µm and the width ranged from 2.16 to 2.62 µm (Figure 1). Similarly Gowda et al (2020) noticed the fluffy white cottony growth with pinkish purple pigment patches. The virulent Fusarium isolate was identified by pathogenicity test and it was molecularly confirmed as Fusarium oxysporum f. sp.…”
Section: Resultsmentioning
confidence: 93%
“…The length of microconidia varied from 7.12 to 8.47µm and the width ranged from 2.16 to 2.62 µm (Figure 1). Similarly Gowda et al (2020) noticed the fluffy white cottony growth with pinkish purple pigment patches. The virulent Fusarium isolate was identified by pathogenicity test and it was molecularly confirmed as Fusarium oxysporum f. sp.…”
Section: Resultsmentioning
confidence: 93%