Search results
Results from the WOW.Com Content Network
Pentas lanceolata, commonly known as Egyptian starcluster, [3] is a species of flowering plant in the madder family, Rubiaceae that is native to tropical Africa from Sudan to Democratic Republic of the Congo and Mozambique, as well as Saudi Arabia and Yemen on the Arabian Peninsula. [2]
Pentas is a genus of flowering plants in the family Rubiaceae.The genus is found in tropical and southern Africa, the Comoros, Madagascar, and the Arabian Peninsula. [1]The plants have hairy green leaves and clusters of flowers in shades of red, white, pink, and purple.
Pentas lanceolata This page was last edited on 1 September 2014, at 19:29 (UTC). Text is available under the Creative Commons Attribution ...
PPQ aims to support APHIS goals by early detection of pests, weeds and plant diseases harmful to the economy, to allow for an organized response before significant damage is caused. The National Identification Services (NIS) coordinates reports of plant pest identification, providing a database that may lead to quarantine actions.
In a pest risk analysis initiated by a specific pathway, often an imported commodity or goods associated with an imported commodity, e.g. packing materials, the probability of pest entry is evaluated for that specific pathway. For a pest risk analysis initiated for a specific pest, all probable pathways are evaluated for that individual pest.
Systemicity is a prerequisite for the pesticide to be used as a seed-treatment. Contact insecticides (non-systemic insecticides) remain on the leaf surface and act through direct contact with the insect. Insects feed from various compartments in the plant. Most of the major pests are either chewing insects or sucking insects. [13]
Crop scouting is an Integrated pest management strategy that looks at many different aspects of crop production, not just any single pest or problem. [3] Scouts must be actively observing environmental conditions, beneficial insects , pest insects, diseases, weeds , crop growth stage, and the general health of the crop in question to get a ...
Fungal diseases; Anthracnose Colletotrichum lini: Basal stem blight Phoma spp. Phoma exigua var. linicola. Brown stem blight Alternaria linicola: Browning (and) stem break Aureobasidium lini. Guignardia fulvida [teleomorph] Damping-off, root rot, and seedling blight Alternaria spp. Colletotrichum lini Fusarium spp. Pythium spp. Rhizoctonia solani