Which is the boring pests of sugarcane?
Lepidopteran stalk borers are among the most damaging pests in sugarcane production. Close to 50 species of Lepidoptera have been reported boring sugarcane stalks (Long & Hensley 1972), most belonging to the family Crambidae.
Which of the following is the most destructive pest of sugarcane?
Sugarcane top borer Scirpophaga novella
Sugarcane top borer Scirpophaga novella (Fabricius) also belong to family Pyralidae and order Lepidoptera. It is one of the most destructive and major pest of sugarcane in Pakistan, India and China.
Which insects damage the root system of sugarcane?
Nature of damage: Caterpillars attack sugarcane plants after 3 months of planting. They bore into the canes near the nodes; entry holes are plugged with excreta. Entry is generally confined to the first five internodes.
What is top borer in sugarcane?
Moths are silvery white in colour having one black spot on each of the forewing. Larvae are -35 mm long, creamy white or yellow and brown head, devoid of stripes, with atrophied legs. The First two broods of this pest attack young plants.
Which one of the following is a sugarcane insect?
Major Insect Pests of Sugarcane
| Name of the pest | Scientific Name |
|---|---|
| Termites | Odentotermes obesus Ramb. |
| Shoot borer | Chilo infuscatellus Snellen. |
| Top borer | Scirpophaga excerptalis Wlk. |
| Root borer | Emmalocera depressella Swinhoe |
What is stem borer in sugarcane?
Stem borer caterpillars can damage up to 80% of a sugarcane field. They cause great economic loss for farmers because the sugarcane loses up to 30% of its sugar content. They attack mainly during the months of April to June.
What are the threats to sugarcane?
Exotic borers
- Significant yield loss including total crop destruction can occur. Damage depends on the borer species and cane variety grown.
- Most severe losses occur with: – Top borer (Scirpophaga excerptalis) – Ramu shoot borer (Sesamia grisescens) – Stalk borer (Chilo sacchariphagus) – Stalk borer (Chilo terrenellus)
What is monophagous pest?
adjective. feeding on only one type of food. monophagous insects.
How do you control top borer in sugarcane?
Cultural method:
- Use resistant variety CO 419, CO 745 and CO 6516 and tolerant varieties Co 859, Co 1158 and Co 7224.
- Small earthing up followed by trash mulching.
- Do not undertake maize, sorghum as intercrops.
- Prefer paired row system for planting.
- Remove the dead heart plants and destroy them.
How do you control white grubs in sugarcane?
Mix fipronil 0.3% @ 8-10 kg with soil during sugarcane cultivation in September-October. Chloropyriphos 20% @ 2 litres in 400 litres of water should be drenched in sugar cane. Spray chloropyriphos 20% 2-2.5 ml per liter on the neem tree and subabhul to control the white grub.
What are the two most destructive insect pests of sugarcane?
Among moths, Diatraea venosata[Chilo sacchariphagus] (striatalis) and Scirpophaga are both pests of sugar-cane, as in Java. Several species of termites attack newly-planted cane. Locusts are the most abundant leaf-pests, the stretches of waste land throughout the Islands making these insects difficult to control.
What is the scientific name of sugarcane root borer?
(sugarcane root borer)
What are the main pests of sugarcane?
Sugarcane whiteflies are one of the most important pests of sugarcane in South Asian countries. Infestations cause direct and indirect damage, and early maturing varieties are more susceptible. Infestations can cause yield loss as well as reduced sucrose content.
Are there mealy bugs in sugarcane in Tamil Nadu?
Jayanthi R, David AH, Goud YS (1995) Species composition and pest status of the mealy bugs infested sugarcane in Tamilnadu. Bull Entomol (New Delhi) 36 (1/2):100–106 Google Scholar Jayanthi R, Srikanth J, Sushil SN (2016) Sugarcane. In: Mani M, Shivaraju C (eds) Mealy bugs and their management in agricultural and horticultural crops.
How do whitefly infestations affect sugarcane crop?
The whitefly infested sugarcane stalks and leaves, sucking the sap and excretion of honeydew lead to sooty mold growth which reduces photosynthesis of sugarcane and result in more than 50% yield losses (Nikpay, 2017;Srikanth et al., 2012). The ratoon crop of sugarcane is more sensitive and show severe damage by this pest.
What is the scientific name of sugarcane mealy bug?
The scientific name of sugarcane mealy bug is Saccharicoccus sacchari (Cockerell) with family Pseudococcidae and belonging to order Hemiptera. 8. Sugarcane Black bug The scientific name of sugarcane black bug is cavelerious excavatus (Distant) with family Lygaeidae and belonging to order Hemiptera.