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2013•INTERNATIONAL JOURNAL OF PLANT PROTECTIONRequires access

Exploration of plant extracts and fungal antagonists against Sclerotium rolfsii causing sclerotium wilt of stevia

Sreedevi S Chavan, Yashoda R. Hegde

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Abstract

Stevia is an important medicinal plant used as a low calorie sweetener. Sclerotium wilt caused by Sclerotium rolfsii is an important disease and is a major constraint in stevia cultivation. Evaluation of the biocontrol agents indicated that maximum inhibition of mycelial growth of S. rolfsii (78.51%) was noticed in Trichoderma harzianum (Dharwad isolate). Among botanicals tested, Durantha was highly effective at 10 per cent (75.14) followed by Glyrecidia (72.14%).

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What this paper is about

Stevia is an important medicinal plant used as a low calorie sweetener. Sclerotium wilt caused by Sclerotium rolfsii is an important disease and is a major constraint in stevia cultivation. Evaluation of the biocontrol agents indicated that maximum inhibition of mycelial growth of S. rolfsii (78.51%) was noticed in Trichoderma harzianum (Dharwad isolate). Among botanicals tested, Durantha was highly effective at 10 per cent (75.14) followed by Glyrecidia (72.14%).

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Available abstract

Stevia is an important medicinal plant used as a low calorie sweetener. Sclerotium wilt caused by Sclerotium rolfsii is an important disease and is a major constraint in stevia cultivation. Evaluation of the biocontrol agents indicated that maximum inhibition of mycelial growth of S. rolfsii (78.51%) was noticed in Trichoderma harzianum (Dharwad isolate). Among botanicals tested, Durantha was highly effective at 10 per cent (75.14) followed by Glyrecidia (72.14%).

Key concepts: Sclerotium, Stevia, Trichoderma harzianum, Biology, Mycelium, Macrophomina phaseolina, Trichoderma, Biological pest control

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