Aphids nke ọka wit
Aphids ọka wit na-ejupụta na akwụkwọ, ị ga na ntị iji ṅụọ sap. Obere ntụpọ edo edo na-apụta na onye ahụ, wee bụrụ streaks, osisi ahụ dum na-akpọnwụ ọnwụ.
Aphids ọka wit na-akụ ọka wit ma na-emetụta photosynthesis ọka. Mgbe isi n'isi ogbo, aphids na-etinye uche na ntị ọka wit, na-akpụ ọka blighted na mbenata mkpụrụ.
Usoro njikwa
Iji 2000times mmiri mmiri nke Lambda-cyhalothrin25% EC ma ọ bụ 1000times mmiri mmiri nke Imidacloprid10% WP.
Midge ọka wheat
Larvae na-ezo n'ime shei glume iji ṅụọ ihe ọṅụṅụ nke ọka wit nke a na-atachasị, na-akpata igbogbo ọka na mkpọsa tọgbọ chakoo.
Usoro njikwa:
Oge kacha mma maka njikwa midge: site na nkwonkwo ruo na booting. N'oge pupal nke midges, enwere ike ịchịkwa ya site na ịgbasa ala ọgwụ. N'oge isi na oge okooko, ọ ka mma ịhọrọ ụmụ ahụhụ na-arụ ọrụ ogologo oge, dị ka Lambda-cyhalothrin + imidacloprid, ha nwekwara ike ịchịkwa aphids.
Udide ọka (nke a makwaara dị ka ududo uhie)
Acha odo odo na-acha ọcha na-apụta na epupụta, osisi ndị dị mkpụmkpụ, adịghị ike, shrunken, na ọbụna osisi na-anwụ anwụ.
Usoro njikwa:
Abamectin,imidacloprid,Pyridaben.
Dolerus tritici
Dolerus tritici na-emebi akwụkwọ ọka wit site n'ịta ahụhụ. Enwere ike iri akwụkwọ ọka wit kpamkpam. Dolerus tritici na-emebi akwụkwọ ya.
Usoro njikwa:
Ọtụtụ mgbe, Dolerus tritici adịghị emerụ ọka wit ahụ nke ukwuu, yabụ na ọ dịghị mkpa ịgbasa. Ọ bụrụ na ụmụ ahụhụ dị ọtụtụ, ịkwesịrị ịgbasa ha. Ọgwụ ụmụ ahụhụ n'ozuzu nwere ike igbu ha.
Golden agịga worm nke ọka wit
Larvae na-eri mkpụrụ, ome, na mgbọrọgwụ ọka wit dị n'ala, na-eme ka ihe ọkụkụ ahụ kpọnwụọ ma nwụọ, ma ọ bụ ọbụna bibie ala ahụ dum.
Usoro njikwa:
(1) Mgbakwasa mkpụrụ ma ọ bụ ọgwụgwọ ala
Jiri imidacloprid, thiamethoxam, na carbofuran na-agwọ mkpụrụ osisi, ma ọ bụ jiri thiamethoxam na imidacloprid granules maka ọgwụgwọ ala.
(2) Ọgwụgwọ ogbugba mmiri n'ubi ma ọ bụ ịgba mmiri
Jiri phoxim, lambda-cyhalothrin maka ogbugba mmiri n'ubi, ma ọ bụ fesa ozugbo na mgbọrọgwụ.
Oge nzipu: Ọgọst-14-2023