#Paratrioza #potato #pestcontrol #Olzo300SC #Pyriproxyfen #Diflubenzuron #Lambda-cyhalotrin #integratedpestmanagement
Olima mbatata ndi alimi nthawi zonse amafunafuna njira zatsopano komanso zothandiza zothanirana ndi tizirombo mu mbewu zawo. M'nkhaniyi, tikambirana zaposachedwa kwambiri za kuwongolera kwa Paratrioza nymphs mu mbatata ndikuwunika momwe chithandizo chamankhwala chimagwirira ntchito.
Malinga ndi kafukufuku waposachedwapa, ulamuliro wa Paratrioza nymphs ndi akuluakulu adawunikidwa pogwiritsa ntchito njira yomwe inasankha mfundo zisanu pakati pa chiwembu chilichonse ndikuwunika masamba 10 pa chomera chilichonse, kuyang'ana pamwamba ndi pansi pa nymphs ndi akuluakulu. Kuwunikaku kunachitika ntchito yachiwiri isanachitike, patatha masiku 8 pambuyo pa ntchito yoyamba, ndipo kachiwiri masiku 7 pambuyo pa ntchito yachiwiri.
Gulu 2 likuwonetsa zotsatira za kafukufukuyu, yemwe adachitika mu 2022 ku Guaracal Sidewalk, Potosi Municipality. Patatha masiku asanu ndi atatu mutatha kugwiritsa ntchito mankhwalawa, kulamulira bwino kwa nymphs kunapezedwa ndi chithandizo cha 4, Olzo 300 SC 0.3 L / ha, ndikutsatiridwa ndi chithandizo cha 2, Pyriproxyfen 100 EC 0.5 L / ha. Chithandizo 5, Diflubenzuron 400 g/L + Lambda-cyhalotrin 100 g/L 0.3 L/ha anapereka ulamuliro wamng'ono, kusonyeza kusiyana kwambiri pa 5%.
MITU YA NKHANI | 8 DD 1ra Ntchito | 7 DD 2da Ntchito |
1. Pyriproxyfen 0.4 L/ha | 59 c | 68b |
2. Pyriproxyfen 0.5 L/ha | 60 cd | Zamgululi |
3. Olzo 300 SC 0.2 L/ha | 33a | 84d |
4. Olzo 300 SC 0.3 L/ha | 75d | 86 wa |
5. Diflubenzuron 400g/L + Lambda-cyhalotrin100 g/L 0.3 L/ha | 37ab | 59a |
Pambuyo pakugwiritsa ntchito kwachiwiri, komwe kunachitika patatha masiku 15 mutagwiritsa ntchito koyamba, kuchuluka kwamankhwala kumawonedwa. Mankhwala a Olzo 300 SC 0.2 ndi 0.3 L/ha anali abwino kwambiri, osawonetsa kusiyana kwakukulu pa 5% pakati pawo, koma ndi mankhwala ena. Chithandizo 5, Diflubenzuron 400 g/L + Lambda-cyhalotrin 100 g/L 0.3 L/ha, anapereka ulamuliro wamng'ono.
Kutengera ndi zomwe zachitika posachedwa komanso zotsatira zake, chithandizo cha Olzo 300 SC pamlingo wa 0.3 L/ha chinapezeka kuti ndichothandiza kwambiri pakuwongolera nymphs za Paratrioza mu mbatata. Komabe, ndikofunikira kuzindikira kuti mphamvu ya chithandizo chilichonse imatha kusiyanasiyana malinga ndi malo komanso chilengedwe. Choncho, tikupempha kuti alimi akambirane ndi akatswiri a zaulimi ndi akatswiri a zaulimi kuti apange ndondomeko yogwirizanitsa tizilombo toyambitsa matenda yomwe imaganizira momwe mbewu zawo zimakhalira.
TABLE 3. % YA KULAMULIRA KWA AKULULU A PARATRIOZA MU PAPA.
MALO 1. GUARAMAL STREET. MASIPALA WA POTOSI. 2022
MITU YA NKHANI | 8DD 1ra Aplic. | 7DD2da Aplic. |
1. Pyriproxyfen 0.4 L/ha | 30b | 30a |
2. Pyriproxyfen 0.5 L/ha | 50 s | 50 s |
3. Olzo 300 SC 0.2 L/ha | 67d | 22ab |
4. Olzo 300 SC 0.3 L/ha | 67d | 95d |
5. Diflubenzuron 400g/L + Lambda-cyhalotrin100 g/L 0.3 L/ ha 0.3 L/ha | 20a | 50 s |
Zilembo zofanana sizikuwonetsa kusiyana kwakukulu pamlingo wa 5%.
Poyang'anira akuluakulu a Paratrioza, tebulo 3, zikuwoneka kuti chithandizo chabwino kwambiri chinali chachinayi, Olzo 300 SC 0.3 L / ha, kuwonetsa kusiyana kwakukulu kwa 5% ndi mankhwala ena.
GULU LA 4. % KULAMULIRA KWA PARATRIOZA NYMPHS MU MBATA.
MALO 2. SANTANDER SIDEWALK. MMASIPALA WA CORDOBA. 2022
MITU YA NKHANI | 8DD 1ra Aplic. | 7DD 2da Aplic. |
1. Pyriproxyfen 0.4 L/ha | 25a | 56a |
2. Pyriproxyfen 0.5 L/ha | Zamgululi | 65bc |
3. Olzo 300 SC 0.2 L/ha | Chithunzi cha 43 | 66b |
4. Olzo 300 SC 0.3 L/ha | 69 e | 84d |
5. Fentoato 500 g/L 0.5 L/ha | 38 c | 66b |
M'dera 2, tebulo 4, poyang'anira nymphs, chithandizo chabwino kwambiri pambuyo pa ntchito yachiwiri chinali 4, Olzo 300 SC 0.3 L/ha, kuwonetsa kusiyana kwakukulu pa 5% ndi mankhwala ena.
GULU LA 5. % KULAMULIRA KWA AKULU A PARATRIOZA MU MBATA.
MALO 2. SANTANDER SIDEWALK. MMASIPALA WA CORDOBA. 2022
MITU YA NKHANI | 8DD 1ra Aplic. | 7DD 2da Aplic. |
1. Pyriproxyfen 0.4 L/ha | 14a | 33a |
2. Pyriproxyfen 0.5 L/ha | 17ab | 40ab |
3. Olzo 300 SC 0.2 L/ha | 33d | 50 s |
4. Olzo 300 SC 0.3 L/ha | 50e | 95d |
5. Fentoato 500 g/L 0.5 L/ha | 20bc | 50 s |
Zilembo zofanana sizikuwonetsa kusiyana kwakukulu pa 5%
Kwa akuluakulu a Paratrioza, tebulo 5, chithandizo chabwino kwambiri chinali Olzo 300 SC 0.3 L / ha ndi 95% kulamulira masiku 7 pambuyo pa ntchito yachiwiri. The malonda mankhwala, Fentoate 0.5 L/ha, anapereka 50% ulamuliro 7 masiku pambuyo ntchito yachiwiri.