Impatiens repens

Lindsay Anderson HORT 5051 Spring 2008

Photograph: www.rareflora.com/ impatiensrep.htm

 Scientific Name: repens

 Common Name(s) : Yellow Balsam Creeping Impatiens Golden Dragon Ceylon Balsam Jewelweed

 Family: Taxonomic Description

 Overall Habit/Description: Creeping/trailing perennial/annual with fleshy red stems

 Root System Type: Fibrous

 Presence/Type of Underground Storage Organs: ~

 Leaves: Small kidney-shaped leaves

 Flower: Yellow hooded flower, 4 cm long

 Season of Bloom: Late Spring-Fall, intermittent blooming

 Use(s) by indigenous people: ~ Geographic Distribution

 Continent(s): Asia  Countries: Sri Lanka, India  Latitudinal Ranges:  Altitude:  General Climatic Conditions:  Tendency to naturalize or become invasive: Native Habitat

 Habitat (climactic factors):

 Plant Community: Propagation Method(s)

 Vegetative vs. Seed: Seed and vegetative propagated

 Vegetative Plant Tissue Source(s):

 Proposed Vegetative Propagation Method(s) & Temperatures: Product Specifications

 Crop Ideotype: Market Niche

 Target Sales Date(s): Mid to late spring through early fall  Competitive Crops: All flowering trailing crops  Possibility of being a Major Crop: Little to none  Initial Crop Limitations/Problems: Intermittent blooming and zonal limitations  Identifiably to Growers & Consumers: Little to none  Time of Product Availability: 5 to 10 years to refine flowering, selection of cultivars/varieties, and production scheduling Cultural Requirements

 Hardiness (USDA Zones): 10 and higher (outdoors)  Heat/Drought Tolerance: Heat tolerant, but needs moist conditions  Temperature: 70°-75° F, minimum temp. 60° F  Light: 50-100 fc  Nutrition: 100 ppm N every second or third watering cycle  Soil: 50:50 peat moss/vermiculite mix

Photograph: www.logees.com/prodinfo. asp?number=R1371-2 Cultural Requirements

 Plant Growth Regulators: None required, but applications of B-9, Sumagic, and Bonzi can be applied

 Container Size: 50 plug tray-- 4.5” pot --6” pot or hanging basket

 Disease Resistance/Susceptibility: Impatiens Necrotic Spot Virus (INSV) and Tomato Spotted Wilt Virus (TSWV) spread by thrips

 Fungicides/Insecticides: ~ Production Schedule

 Vegetative cuttings are stuck and placed in a mist chamber. No rooting aids need be applied (ex. IBA).

 After eight weeks (21 days), cuttings are ready for transplant.

 Once transplanted, the cuttings should be ready for flowering in 35 days.

 Total vegetative production time: 18 weeks Needs Assessment for Genetic Improvement

Literature Cited

 Singapore National Parks Flora Web. http://floraweb.nparks.gov.sg/search/viewDetail.action;jsessionid=3728D3793896B 53B66E721175396DC44?pgId=4035052873054257&key=1. Accessed: May, 2008.