What is the important disease of arecanut?
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What is the important disease of arecanut?
Bud rot. Disease symptoms: Initial symptom is the characteristic change of spindle leaf colour from green to yellow and then brownish. The leaves rot and the growing bud rots causing death of the palm.
Which is the best fungicide for arecanut?
Spraying of 0.3 per cent Mancozeb or 0.2 per cent Foltaf results in effective management this disease.
How do you control the spindle bug in arecanut?
All the insecticides tested were effective in controlling the arecanut spindle bug. Malathion 5% dust, phorate 10% granules, monocrotophos 0.15% spray, lamda cyhalothrin 0.10% spray showed cent per cent mortality in bug population on seventh day after application.
How can we protect the arecanut?
Spraying the bunches with 1% Bordeaux mixture before monsoon followed by another spray after 45 days is effective in preventing the disease. Covering the bunches with polythene bags is an effective alternate method of control.
What is Bordeaux mixture for fungicide?
Bordeaux mixture—a combination of copper sulfate, lime, and water—is an effective fungicide and bactericide that has been used for decades to control diseases of fruit and nut trees, vine fruits, and ornamental plants.
Is Bordeaux mixture a systemic fungicide?
Bordeaux mixture is one ofthe important non-systemic copper fungicides used for the management of many crop diseases. The Bordeaux mixture is a combination of copper sulphate, lime and water. This was accidently discovered in 1882 and introduced in the year 1885 by P. M. A.
What is a spindle bug?
All About Spittlebugs A spittlebug is the larval or young form of an adult insect called a froghopper. After hatching from eggs, the young spittlebugs climb on the stems of plants and drink their sap. Their byproduct of bubbly foam can resemble spittle but contains no saliva.
Is drip irrigation suitable for arecanut?
Drip irrigation systems was tried at Vittal during 1978 – 80 by Khader on areca palm. He reported that drip system improved the soil water regime by minimising the fluctuations in the soil water content, minimised weed growth and increased yield significantly.
How do you make a 1% Bordeaux mixture?
Preparation of 1 % Bordeaux Mixture
- Copper sulphate powder – one kg.
- Lime – 1 kg.
- Water – 100 litres.
Can we use copper sulphate as fungicide?
Copper sulfate is used as a fungicide, algaecide, root killer, and herbicide in both agriculture and non-agricultural settings. It is also used as an antimicrobial and molluscicide. Uses for individual products containing copper sulfate vary widely.
What is pH of Bordeaux mixture?
pH paper test: Ifthe paper is dipped in the mixture, it should show neutral pH. 4. Chemical test: Add a few drops of the mixture into a test tube containing 5 ml of 10% potassium ferrocyanide.
Why is Bordeaux mixture banned?
Risks. Bordeaux mixture has been found to be harmful to fish, livestock and—due to potential buildup of copper in the soil—earthworms. The chemical was in use as a blight preventive in the potato country of northern Maine by 1921. It started to be used by the United Fruit Company throughout Latin America around 1922.
What is cuckoo spit?
Cuckoo spit, is the excretion of a sap sucking insect, often called froghoppers. It appears in spring at a time when the familiar call of cuckoos can be heard, but has no connection with the bird.
What is plant spittle?
Spittlebugs are known for the frothy spittle mass they produce while feeding on plants. They feed on a variety of plants like ornamental grasses, roses, chrysanthemums, clover, strawberries, herbs and many other garden plants. Spittlebug nymphs pierce the plant stems and suck plant juices.
How many areca trees can be planted in an acre?
An arecanut farmer can plant an average of 550 to 600 arecanut trees in one acre of land.
Which country is the largest producer of arecanut?
India
India is the largest producer of arecanut. The other countries that produce areca nuts include Bangladesh, Indonesia, Myanmar, china, Malaysia, and Thailand.
