Privi Life Sciences - Crop Journal

Punarnava

Crop Category

Medicinal Crops

Applicable Product

Description

Punarnava is also known as Pigweed, Spreading Hog Weed and Gondhapurna

It is popularly also known as Purnarnava meaning “ That which rejuvenates or renews the body”.

Punarnava is widely distributed in tropical and sub tropical regions and warm climate.

Predominantly found in Sri Lanka, Australia, Sudan, Malay Peninsula, Africa, America and Islands of the Pacific

Taxonomic Classification

Kingdom: Plantae
Division: Magnoliophyta
Class: Magnoliopsida
Order: Caryophyllales
Family: Nyctaginaceae
Genus: Boerhavia
Species: diffusa

Economically Important Part

Various parts of the Punarnava plant are economically important

Benefits of Punarnava - It has multiple uses in tthe Ayurvedic system of medicine and is used in

Treatment of cancer
Jaundice
Dyspepsia
Inflammation
Ophthalmological disorders
Anti stress
Digestive tonic

Conditions for Cultivation

Punarnava is a perennial creeping, prostrate or ascending herb

Plants grows profusely in rainy seasons and mature seeds are formed in October-November

The Punarnava plant attains a height upto 1m with spreading branches

Leaves are ovate-oblong, round or sub-cordate at base and smooth above.

Margins of leaves are smooth, wavy orundulate

Upper surface of leaves is green smooth and glabrous which is pinkish white hairy beneath

Flowers are minute sub umbellate on the ultimate branch which are hermaphrodite.

The Punarnava Fruit is achene which is ovate, oblong, pubescent, five ribbed and glandular

Major Challenges

No major Abiotic or Biotic challenges have been reported

Crop Schedule

Crop Stage	Products	Dosage	Method Of Application	Benefits
Inorganic fertilizer	Geoxol.COM	15 kg / hectare / application with basal fertilizer, if soil organic carbon (more than / equal to 0.5%) and bulk denisty (less than or equal to 1.6 g / cm3)	Soil Application	Rejuvenates soil for sustainable growth of crops
Organic fertilizer	Mycoxol4G	500 g / hectare / application, if soil pH (less than / equal to 7.5) and available P (more than / equal to 15 kg / ha)	Soil Application	Reduces incidence of soil borne diseases, improves availability of phosphorous and other micronutrients
Vegetative Growth	Privid	1000 ml / hectare / application	Foliar Application	Improves vegetative growth and reduces disease pressure
Vegetative Growth	Privid	1200 ml / hectare / application	Foliar Application	Promotes vegetative growth
Pre flowering	Silixol OSA	1000 ml / hectare / application	Foliar Application	Reduces impact of abiotic stress
Pre flowering	PeakMAX	1000 ml / hectare / application	Foliar Application	Reduces disease pressure
Fruit development	Silixol OSA	1000 ml / hectare / application	Foliar Application	Improves accumulation of secondary metabolites
Deficiency of Iron	Nutrin Fe 12%	650 g / hectare / application, if soil Fe (less than 4.5 ppm),repeat application is recommended based on deficiency. Suitable for foliar sprays for crops grown on all types of soil.	Foliar spray	Corrects Iron deficiency
Deficiency of Iron	Nutrin Fe EDDHA 6%	2.5-5.0 kg / hectare / application, if soil Fe (less than 4.5 ppm),repeat application is recommended based on deficiency. Suitable for calcerous soils with pH above 7.5	Soil application	Corrects Iron deficiency
Deficiency of Boron	Nutrin Boron 20%	650 g / hectare / application, if soil Fe (less than 25 ppm),repeat application is recommended based on deficiency	Foliar spray	Corrects Boron deficiency
After 15-20 days of crop establishment	Mycoxol 4G	500 g/hectare/application, if soil pH (less than or equal to 7.5) and availble P (more than 15 kg/ha) - if fertigation is available	Soil application	Reduces incidence of soil borne diseases, improves availability of phosphorous and other micronutrients
After 15-20 days of crop establishment	Mycoxol Granules	10-20 Kg/ha/application, depending upon soil properties - if crop is on flood irrigation	Soil application	Reduces incidence of soil borne diseases, improves availability of phosphorous and other micronutrients

PRIVI