Small House

Cotton Plant Diseases. The virus is transmitted between susceptible cotton varieties by cotton aphid (aphis gossypii). Plants infected early in the season are stunted and yield is reduced drastically.

Primary agents in north carolina include rhizoctonia solani (soreshin), pythium spp. [14] jyoti and tanuja : If aphid infestation is heavy it may cause leaves to yellow and/or distorted, necrotic spots on leaves and/or stunted shoots;

Plant Scale Disease. If your plant has a normal growth rate, you’ll notice the difference quickly. Disease incidence is the number or proportions of plant units that are diseased (i.e.

A portable application for quantifying plant disease severity. Disease incidence is the number or proportions of plant units that are diseased (i.e. Common on backyard trees, ornamental shrubs, greenhouse plants and houseplants, over 1,000 species of scale insects exist in north america.