Agriculture

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Zucchini

Zucchini with white spots on leaves

It’s my first culture, something I’ve been dreaming of doing for a long time, just because I’m inexperienced. I planted on June 3 (5 days ago), 1000 seedlings per 1000 m2, on that land where I planted there was nothing planted for 10 years. I did not spray with anything before or after planting, I watered a lot because I understood that it must be watered a lot when planting only that I watered too much overnight. Somewhere in the middle of the field, about 30 plants came to look like in the pictures (there are others but imperceptibly). On the advice of a friend I immediately applied Topsin and I discovered on the back of the leaves some small insects I think are thrips. If someone has time, I have a few questions, namely: why do only those in the middle of the field look so bad? Too much water? Are there thrips on the back of the leaves? If I have thrips, is it effective to apply Maverik or something else? How long after I apply a treatment for thrips it is recommended not to rain? Is it advisable to apply the insecticide on the whole plant, including the back of the leaves? Thousands of apologies for the many questions, any other advice you have is welcome (please note that I am at the beginning and do not know professional terms and explanations)! I have no words to thank you (I have been looking for a long time for a site/forum where there are people like you)! All the best, thank you!

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[Armuro]

Hello, from the attached photos it is difficult to identify the exact pests, but the symptoms present on the leaves are specific to physiological stress, caused by various external factors (recent planting, temperature fluctuations, excessive salinity, high soil pH, frequent watering etc.). Thus, it is recommended to apply a specific fertilizer that also supports the development of roots such as AMN BonaVita, 500 ml. Subsequently, it is recommended to carry out a preventive treatment against pests, with an insecticide such as Vertimec 1.8 EC, 10 ml, in a dose of 10 ml / 10 l water. After 7 days, you can apply a preventive treatment against diseases, with a fungicide such as Ortiva Top, 10 ml, in a dose of 10 ml / 10 l water. These treatments are applied by spraying on the leaves; it is advisable to cover the plants as evenly as possible with the solution. It is recommended to apply the treatments in the early morning or in the evening (when the temperatures are not very high and the sun is not strong), preferably in a period without precipitation (or at least 4-6 hours before). Also, for normal growth and development of the fruit, it is essential that throughout the vegetation period, to ensure proper fertilization, with specific fertilizers for vegetables: Organic Vegetable, 1.5 kg , Manna Bio Gemusedunger Fertilizer, 1 kg , Manna Bio Tomatendunger Fertilizer, 1 kg , Organic Vegetable Gemusezauber, 350 ml.

• This reply was modified 2 years ago by Armuro.
• This reply was modified 2 years ago by Armuro.
• This reply was modified 2 years ago by Armuro.
• This reply was modified 2 years ago by Armuro.
• This reply was modified 2 years ago by Armuro.
• This reply was modified 2 years ago by Armuro.
• This reply was modified 2 years ago by Armuro.
• This reply was modified 2 years ago by Armuro.
• This reply was modified 2 years ago by Armuro.
• This reply was modified 1 year, 11 months ago by Armuro.

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