2. RUST Symptoms: The disease is mostly observed during May and June on the lower surface of leaves in the form of minute, brown uredosori (Plate-3). The numerous uredosori are surrounded by chlorotic halos during early stages of development. In severe cases, the whole leaf gets covered by uredosori resulting in premature drying. Pathogen:

The microscopic observation of infected region of leaves of large cardamom revealed the presence of numerous roundish spores in number of samples. These spores are unlike the spores of C.

2020年10月6日 · Thirumalachar first reported a type of rust in cardamom in the state of Karnataka. The disease appears after the monsoon during October–May, and symptoms appear on leaves in the form of numerous yellowish rust-colored pustules distributed across the leaf surface in several patches, mostly on the underside of the leaves.

orum), leaf streak (Pestalotiopsis versicolor and P. royenae) and leaf rust (Phakospora elettariae) had also been recor. ed. Further investigation was carried out to find out any other associated fungus causing blight disease in large cardamom. It has been found that a new fungu.

2021年1月24日 · Large cardamom (Amomum subulatum Roxb.) is a tall, perennial, evergreen, herbaceous monocot crop of the Zingiberaceae family known as Alaichi in Nepali and also known as Black Gold (Black =...

2018年3月20日 · Large or Black cardamom (Amomum subulatum Roxb.) is commercially cultivated in Nepal and India. As many as 25 diseases have been reported till date. Based on severity, spread and extent of...

2023年11月8日 · Large cardamom is susceptible to fungal and viral diseases such as leaf blight, rust, and mosaic diseases. IDM practices involve regular pruning, use of resistant varieties, and the application of appropriate fungicides and bio-agents.

Leaf rust diseases of large Cardamom Fungal dominance. December to June (Vijayan, 2020). Major cause. Generally, Cardamom is grown under the shade of Uttis tree in Nepal. In December to June season, certain leaf sac sucker of the Alder tree …

2020年9月14日 · This is the first report on the occurrence of C. eragrostidis pathogen causing leaf blight of large cardamom grown in Sikkim. Large cardamom (Amomum subulatum Roxb.) is now affected by several diseases caused by both viruses and fungi.

Large cardamom (Amomum subulatum Roxb.) is now affected by several diseases caused by both viruses and fungi. At present, leaf blight is considered a major threat to cardamom cultivation in Sikkim. During the past two decades, cultivation …