The rust pustules may be seen on petioles and stem. Late in the season, brown teliosori, as dark pustules, appear among the necrotic patches. In severe infection lower leaves dry and drop …

Jul 3, 2024 · This review highlights breeding approaches for groundnut rust resistance, with emphasis on integrating conventional breeding with marker-assisted selection.

Small brown to chestnut dusty pustules (uredosori) appear on the lower surface of leaves. The epidermis ruptures and exposes a powdery mass of uredospores. Corresponding to the sori, …

Rust (Puccinia arachidis): It has now become a disease of major economic importance in almost all the groundnut- growing areas of the world. Symptoms: Rust (Puccinia arachidis) is …

More than 55 pathogens including viruses have been reported to affect groundnut. Among diseases, stem rot, collar rot, aflaroot, leaf spots (early and late), rust and bud necrosis affects …

In groundnut, fungi cause seed rots and seedling diseases such as root rot, stem rot, wilts, blight, .pod rot; and foliar diseases such as rust and early and late leaf spots.

Jun 23, 2022 · The major diseases described are tikka leaf spots (early and late leaf spot), rust, collar rot, root rot, stem rot, and bud necrosis. The causal organisms and symptoms of each …

Oct 9, 2023 · Rust causes serious damage to groundnut crops in many parts of the world with pod yield losses of up to 70% being reported (Harrison, 1973; Subrahmanyam and McDonald, …

the phenolic content of groundnut leaves both during LLS and rust infections. In the field, P. juliflora extract applied four times at 15-day intervals, was effective against LLS and rust up to …

Groundnut rust is unusual in that there is mostly only one type of spore – urediniospores – and it occurs only on groundnuts, although another type of spore has been seen very occasionally …