Skip to main content

Major INSECT -PESTS of Sapota. author :-T.Tejasri

 MAJOR INSECT PEST OF SAPOTA

1.sapota leaf Webber

2. Bud borer

3.fruit fly 


1.Sapota leaf Webber

Scientific name  :- Nephopteryx eugraphella

Family  :-.  Pyralidae

Order:- lepidoptera

,

Symptoms of Damage :-

  • Caterpillar webs and feed on  leaves

  • Scrapping chlorophyll content  

  •  Leaves dried and hanging from the webbed shoots


  • Caterpillar bores into flower buds and tender fruits - withered and shed.

Control measures:- 

Remove and destruct the infested fruits from the orchard

Collect and remove the dried clusters of leaf web

Insecticides: Spray phosalone 35 EC 2 ml/lit or phosphamidon 40 SL 2 ml/lit or neem seed kernel extract 5%.

2. Bud borer :-

Scientific name  :- Anarsia archasella

Family :- Gelichidae

Order :- Lepidoptera


Symptoms of damage:-

  • Webbed flower buds

  • Presence of bold hole on flower buds .

  • Excreta also seen 

  • Shedding of flower bud

  • . Control measures :-

  •  Collection and destruction of infected plant parts .

  • Application of Neem oil - 5ml /litre /ha

  • Spray application of dichlorovas 2ml /litre or indoxacarb - 0.5ml /litre or fenvallarate 1 ml / litre water .

3. Fruit fly 

Scientific name :- Bactocera dorsalis

Family:- Tephritidae

Order :- Diptera


Symptoms of damage:-

  • Immature fruit drop

  • Resinus oozing of fluid ( brown)

  • Browing rot on fruit

Control measures:-

  • Collection and destruction of infested fruits and fallen fruits

  • Raking of soil to expose the pupae to the sunlight

  • Other traps - Methyl euginol attractive for fruit fly .

  • Fruit fly traps

  • Arrange the poison beds - malathion 10 ml + jaggery 100 gms + 1 litre water

  • Spraying application of any chemical spinosoid - 0.3 ml / litre or malothin.



Comments

Post a Comment

Popular posts from this blog

Plant protection Pests Mango hopper (Tenemanchu purugu) ( Idioscopus clypealis , Idioscopus nitidulus   Amritodus atkinsoni   )             Damage is caused by sucking sap from tender leaves and inflorescence. Ovipositional punctures also cause damage to tender leaves and inflorescence. Severely infested leaves become curled and inflorescence gets dried. Affected parts are covered with honeydew and sooty mould. Control One spray with carbaryl @ 3 gms/litre of water in November before panicle  formation   ensuring  that tree trunks are also thoroughly drenched during the spray. During full length stage of panicle but before full bloom full bloom stage spraying with endosulfan @ 2 ml /litre of water or Dimethoate @ 2 ml /litre of water or imida cloprid @ 0.3 ml/ litre of water if incidence of hoppers is high (more than 5-10 per panicle).After fruit set at pea size stage spraying with imida c...

POMEGRANATE INSECT PESTS AND DISEASES author:- swaroopa.v

pomegranate insect pests Article by:- swaroopa.v Anar butterfly/ Pomegranate fruit borer:- scientific name:- Virachola isocrates , Deudorix isocrates Family:-Lycaenidae order:-Lepidoptera Damage symptoms:- 👉Caterpillar bores into young fruits. 👉Feeds on internal contents (pulp and seeds). 👉Fruit rotting and dropping may occur. Fruit sucking Moth:- Scientific Name:- Othreis fullonica , Othreis materna Family:-Noctuidae Order:-Lepidoptera Damage symptoms:- 👉A circular pinhole like spot appears at the feeding site. 👉Later on, the area around the damaged portion turns yellowish-brown. 👉 The punctured fruits are easily infected with bacteria and fungi. As a result, the fruit rot and falls prematurely.  Diseases:- 1.Bacterial leaf and  fruit spot :- Disease symptoms:- 👉 appearance of one to several small water soaked,dark coloured irregular spots on leaves resulting in premature defoliation under severe cases. 👉 The pathogen also infects stem and br...

TYPES OF SOILS IN INDIA YOU MUST KNOW

  TYPES OF SOILS IN INDIA YOU MUST KNOW                                                 -NAGA SPURTHI    INTRODUCTION As a horticulture or agriculture student we must identify the soils in order to know the productivity and other properties of soil. Here are the top soils and their easy identification :                                   1: Alluvial soil (43%) Colour: Light Grey to Ash Grey. Texture: Sandy to silty loam or clay. Rich in: potash Poor in: phosphorous. Crops : Wheat, rice, maize, sugarcane, pulses, oilseed etc are cultivated mainly. Area : covers 143 sq.km in India . Widespread in northern plains and river valleys. Properties. : Humus, lime and organic matter are...