SCLEROTIUM ROLFSII IN GROUNDNUT

Native isolates of groundnut stem rot casual organism, Sclerotium rolfsii Sacc. were collected from major groundnut growing areas of Tamil Nadu. Selected isolates were screened, characterized and identified the virulent isolate. Morphology and spore structure of isolated antagonists, GNRAJK1 and GNR[r]

Methodology
Collection and Processing of Substrate Used
Maize cobs and groundnut shells were collected in polythene bags from the farm of Government Technical School, Kontagora, Niger State, Nigeria and transported to the laboratory. A serrated disc grinder was used to red[r]

Keywords: Acid oxalic, callus, culture filtrate, phenol, Sclerotium rolfsii , selection cell lines.
1. ĐẶT VẤN ĐỀ
Ở nước ta, trồng cà chua có ý nghĩa quan trọng về mặt luân canh, tăng vụ và tăng năng suất. Tuy nhiên, việc trồng cà chua chưa được phát[r]

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Brinjal is one of the important vegetable crop cultivated widely in India. It is susceptible to many diseases like sclerotium rot/wilt, verticillium wilt, fusarium wilt and bacterial wilt and it is being attacked by several diseases of fungi and bacteria. The collar rot/wilt disease caused by Sclero[r]

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Trong nghiên cứu này, hiệu quả kháng nấm và hạn chế bệnh hại của nano bạc được thực hiện trong điều kiện in vitro và trong điều kiện nhà lưới. Kết quả nghiên cứu cho thấy nano bạc hạn chế nấm S. rolfsii cả trên môi trường đặc (Potato Dextrose Agar – PDA) và môi trường lỏng (Potato Dextrose Broth – P[r]

Five Fungicides- Propiconazole, Hexaconazole, Bavistin, Topsin M and Vitavax at 100, 250 and 500 ppm concentrations were evaluated for their efficacy against S. rolfsii in vitro. Propiconazole, Hexaconazole and Vitavax completely inhibited the growth of S. rolfsii in vitro while Bavistin and Topsin[r]

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oxsyporum ,bệnh héo rũ trắng gốc Sclerotium rolfsii TRANG 5 1.2 MỤC ĐÍCH YÊU CẦU _1.2.1 MỤC ĐÍCH_ * Điều tra tình hình phát sinh và mức độ gây hại của bệnh héo xanh, héo vàng, héo rũ tr[r]

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