stem canker उदाहरण वाक्य

Cornus sericea is a tougher shrub, less prone to forming stem cankers, and handles the warmer end of the planting range better.
The stem canker ( " Nectria galligena " ) produces depressed areas with concentric bark rings that develop on the trunk and branches.
Stems can be affected by several canker diseases, the most commonly seen of which is stem canker ( " Leptosphaeria coniothyrium " ).
The host plant will begin to exhibit secondary symptoms such as stem canker, wilting, and chlorosis as " Phytophthora sojae " continue to reproduce.
Interestingly, it has been observed that isolates from stem canker in the United States will readily form perithecia when grown in culture, but those from Europe will not.

In England, this is called purple patch . " R . solani " can also cause hypocotyl and stem cankers on mature plants of tomatoes, potatoes and cabbage.
In addition, phoma stem canker can also be spread by infected seeds when the fungus infects the seed pods of " Brassica napus " during the growing season, but this is far less frequent.
Other diseases caused by members of this order include stem canker of soybeans ( " Diaporthe phaseolorum " ( Cooke & Ellis ) Sacc . and its varieties ), stem-end rot of citrus fruits ( " Diaporthe citri"
"Phomopsis " stem canker of sunflower is a serious disease caused by " Phomopsis helianthi " ( sexual stage = " Diaporthe helianthi " ), it was first observed in Europe in the late 1970s followed by U . S . in 1980s.
Unlike other plant pathogens, rust usually affects healthy and vigorously growing plants, so the infection is limited to plant parts such as leaves, petioles, tender shoots, stem, fruits, etc . Perennial systemic infection may cause deformities such as growth retardation, witch's broom, stem canker, hypertrophy of the affected tissues or formation of galls.