Loaʻa i kēia huahana nā hopena pili a me nā hopena ʻōnaehana kūloko, hiki ke kāohi i ka ulu ʻana o ka spore, maikaʻi e kūʻē i ka grape downy mildew, blight, etc., a he hopena hoʻomalu maikaʻi i ka grape downy mildew.
Hōʻike | He mea pale | ʻAiʻai |
Cymoxanil 20%SC | ʻO ka ʻōpala ma luna o nā hua waina | 2000-2500 manawa |
Cymoxanil 8%+mancozeb 64%WP | ʻO ka palaka hope ma nā tōmato | 1995g-2700g |
Cymoxanil 20%+dimethomorph 50%WDG | ʻO ka ʻuala ma luna o nā aniani | 450g-600g |
Bhui ʻia ordeaux 77%+cymoxanil 8%wp | ʻO ka ʻōpala ma luna o nā hua waina | 600-800 manawa |
Chlorothalonil 31.8%+cymoxanil 4.2%SC | ʻO ka palu ma luna o nā kukama | 945ml-1200ml |
1. Pono ka wai maʻemaʻe e hoʻomākaukau i ka hopena lāʻau.Pono e hoʻomākaukau a hoʻohana kokeʻia.ʻAʻole pono e waiho ʻia no ka manawa lōʻihi.
2. Manaʻo ʻia e hoʻohana iā ia i ka wā mua a i ʻole ma mua o ka hoʻomaka ʻana o ka grape downy mildew.E hoʻohui i ka wai a pulu like ma ka mua a ma hope o nā lau waina, nā kumu a me nā pepeiao, i ʻole e kulu.
3. Mai noipesticides i nā lā makani a i ʻole ua manaʻo ʻia ka ua i loko o 1 hola.
4. ʻO ka manawa palekana no ka hoʻohanaʻana i nā hua waina he 7 mau lā, a hiki ke hoʻohanaʻia i 2 manawa i kēlā me kēia kau.