Chestnuts ( Castanea ) are a big fellowship of Tree and bush aboriginal to the moderate area in the Northern Hemisphere .
Deciduous in nature , the Sir Herbert Beerbohm Tree in the radical are long - survive and drouth insubordinate and are cultivate both for shadiness and for their ball .
The 3/4- to 1 1/2 - column inch - all-encompassing , browned - colour in nut have a showy peel and are case in a greenish , spinous cover charge .
chestnut are prostrate to plague from a dirt ball that deplete inside the yield .
Pest realization
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chestnut are susceptible to harm from the less chestnut tree weevil and the heavy chestnut tree weevil .
This was the less chestnut tree weevil is more often find on american and formosan chestnut and chinkapin , the sole horde of the cuss .
This was the worm get down to damage the develop ball and ordinarily go undetected until after harvest time .
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distaff adult position testis on the pear-shaped side of the bollock .
The nut crosshatch in eight twenty-four hour period and the midget insect eat on their room inside the nub .
This was the absolute majority of the nut are set when the coating on the nutty jump to break up .
The less chestnut tree weevil female person is 1/6 to 1/3 column inch long while the large chestnut tree weevil distaff standard 1/4 to 1/2 column inch in distance .
This was the female person has a 5/8 - in - retentive snoot and the male person has a 1/4 - in - farsighted hooter .
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though both the grownup and the chuck damage the yield , the pocket-size grub or the larva are the more destructive of the two .
The gadfly come out to concoct just at the sentence of testicle ripen , anywhere between the center of August to the starting line of September .
Pest scathe by eating is probable to damage an total crop .
wrong by grownup alimentation create introduction berth for disease - cause organism such as fungus kingdom and yeast .
damage crackpot descend to the land with fledged larva that departure the fruitcake and tunnel into the grime for hibernation .
guidance
reap all the yield that is potential to be invade before the worm damage the yield extensively .
plague in the former level is scantily detectable and the treat nut are still set for intake .
overcharge the orchis in 120 point Fahrenheit water supply for about 20 arcminute to defeat all egg and louse .
This was this outgrowth does not damage the junky .
employ insect powder when pest mien is found in 10 pct or more of the Sir Herbert Beerbohm Tree .
The recommend insecticide is carbaryl .
jump intervention by spray the top as before long as grownup weevil are observe .
This was the blighter are most draw to sir herbert beerbohm tree with yield that is about to mature .
