Identification: Littleleaf disease is caused by the fungus Phytopthora cinnamomi. Several factors contribute to the disease complex including: low soil fertility (mainly nitrogen deficiency), heavy clay soils or soils with a hardpan, poor soil drainage, and the presence of nematodes and the Pythium fungus.
How do you treat little leaf of brinjal?
Management: Remove infected plants and destroy them. Before transplantation dip the seedlings in 0.2% carbofuran 50 STD solution (control insect vectors) Spray with dimethoate 0.3%
Which nutrient deficiency is responsible for little leaf syndrome?
The correct answer is Zinc.
What is little leaf?
Definition of little leaf
: any of various plant disorders characterized by small and often chlorotic and distorted foliage.
What type of leaf is brinjal?
Brinjal is classified as a herb because of its non-woody stem. Its simple leaves are oblong to oval, slightly lobed, with its underside a paler green than the upper surface.
What are the symptoms of little leaf of brinjal?
Symptoms. Infected plants are characterized by small, soft, thin and malformed leaves with light yellow color. Plants of thorny varieties become smooth and lose their thorns. The plants are generally stunted in growth and have shorter internodes and petioles.
In which year was little leaf of brinjal first reported in India?
Occured in almost all the states of India. This graft transmissible disease was first reported from Coimbatore( Thomas and Krishnaswami, 1939). There is hardly any variety of Brinjal which is resistance to this disease. Little leaf of brinjal is known to cause heavy economic losses (more than 90%) in India.
How do you control bacterial wilt in brinjal?
2.1. 2 Management of Bacterial Wilt:
Follow crop rotation.Rogue out the infected plants and destroy them.Raise nursery in disease free beds.Seed treatment with Plantomycin 0.5 gm/L for 90 min.Drench the beds with Blitox 3 gm/L + Treat 10 gm/L of water at 4- 5 days after germination.
Which of the following variety is resistant to little leaf of brinjal?
Pusa Purple Cluster of Brinjal Varieties:
This variety is resistant to small leaf disease under normal conditions.
What causes white rust of crucifers?
White rust is caused by a fungus that overwinters in midwestern soils as thick-walled, weather-resistant spores. The overwintering spores germinate in the spring and infect young seedlings. As disease development progresses, the pathogen produces other spores in pustules on the under surface of leaves.
What are the pests and disease of brinjal crop?
Bacterial wilt disease causes severe problem in brinjal cultivation. The characteristic symptoms of the disease are wilting of the foliage followed by collapse of the entire plant. The wilting is characterized by gradual, sometimes sudden, yellowing, withering and drying of the entire plant or some of its branches.
What is eating holes in my eggplant leaves?
Eggplant is a favorite host of multiple species of flea beetles, which are mostly in the genus Epitrix. Flea beetles have chewing mouthparts and feed on leaves, making small, shot-like holes. Their damage is most serious when the plants are small and have just a few leaves.
What causes eggplant leaves curl?
The most common reason why eggplant leaves will start to curl involves them not being watered properly. If you aren’t taking the time to water your eggplants as you should, then you might see the eggplant’s leaves start to curl.
