Tomato crops are susceptible to a variety of pests, diseases, and weeds that can significantly reduce yields and crop quality. These issues can occur at any stage of growth and can lead to severe damage if not managed effectively. At POMAIS Agriculture, we provide comprehensive pest and disease control solutions, including customized pesticide formulations to ensure optimal protection for your tomato crops.

Common Tomato Diseases

1. Early Blight (Alternaria solani)

Вплив:
Early blight is a fungal disease that affects tomato plants, causing lesions on the leaves and stems, which can lead to significant defoliation and reduced photosynthesis. This weakens the plant and reduces yield potential.

Симптоми:

  • Circular, dark spots with concentric rings on the lower leaves.
  • Yellowing of leaves, particularly around the edges.
  • Lesions that expand, causing leaf dieback and plant weakness.

Методи контролю:

  • Критичний контрольний період: From the seedling stage to early fruit development (until the fruit starts ripening).
  • Рекомендовані пестициди: Systemic fungicides like Хлороталоніл or Манкозеб provide effective control for early blight.

2. Фітофтороз (Phytophthora infestans)

Вплив:
Late blight is caused by a water mold and is one of the most devastating diseases for tomato crops. It can rapidly destroy leaves, stems, and fruits, leading to complete crop failure if not controlled in time.

Симптоми:

  • Irregular, dark green lesions with a water-soaked appearance, primarily on leaves.
  • White fungal growth on the underside of affected leaves, particularly under humid conditions.
  • Brown, decayed lesions on fruits, which eventually rot and become inedible.

Методи контролю:

  • Критичний контрольний період: From the early to mid-fruit set stage, particularly in humid environments.
  • Рекомендовані пестициди: Фунгіциди, такі як Металаксил or Мефеноксам that are effective in controlling late blight.
Tomato Early Blight
Tomato Late Blight
Хлорталоніл 37.5 Диметоморф 5 Цимоксаніл 5 SC
Chlorothalonil 37.5% + Dimethomorph 5% + Cymoxanil 5% SC
Манкозеб
Манкозеб

Манкозеб

Металаксил 25 SC 3
Металаксил 25% SC
Tomato Hornworm
Tomato Whiteflies
Перметрин20EC
Перметрин
多杀菌素120 г SC
Спіносад 120 г л SC
Тіаметоксам25SC
Тіаметоксам 25% SC
Імідаклоприд 3
Імідаклоприд

Common Tomato Pests

1. Tomato Hornworm (Helicoverpa zea)

Вплив:
The tomato hornworm is a destructive pest that feeds on tomato leaves and fruit, causing significant damage. It can defoliate plants rapidly, reducing photosynthesis and leading to reduced yield.

Симптоми:

  • Large green caterpillars that feed on leaves and fruit, causing visible holes and scars.
  • Loss of leaves leading to stunted growth and fruit damage.

Методи контролю:

  • Критичний контрольний період: From the seedling stage to fruit setting.
  • Рекомендовані пестициди: Інсектициди, такі як Перметрин or Спіносад are effective in controlling hornworm infestations.

2. Whiteflies (Trialeurodes vaporariorum)

Вплив:
Whiteflies are sap-sucking insects that cause wilting, yellowing, and stunting of tomato plants. They also transmit various viruses, such as Tomato Yellow Leaf Curl Virus, which can further damage the crop.

Симптоми:

  • Presence of white, flying insects on the underside of leaves.
  • Yellowing and curling of leaves, with possible stunted growth.
  • Reduced yield and poor fruit quality.

Методи контролю:

  • Критичний контрольний період: From the seedling stage to harvest.
  • Рекомендовані пестициди: Insecticides with Тіаметоксам or Імідаклоприд offer excellent control of whitefly populations.

Management of common pests in tomatoes

Опис: Defoliating caterpillar; window-feeding on leaves, skeletonization, fruit scarring.
Timing/Conditions: Warm weather; outbreaks in mid–late season, especially under heavy weed pressure.
Control (rotate MoA): Хлорантраніліпрол or ціантраніліпрол; Емамектину бензоат; Індоксакарб; Spinetoram/Spinosad; Methoxyfenozide. Додайте a піретроїд only for mixed pests/adult suppression.

Опис: Sap feeder; key vector of curly top virus (stunting, purple leaves).
Timing/Conditions: Migrations from weedy hosts in warm, dry periods.
КОНТРОЛЬ: Early border/field sprays with Лямбда-цигалотрин or Дельтаметрин; systemic base with Імідаклоприд or Флупірадіфурон; weed host removal.

Опис: Nocturnal larvae cut seedlings at the base; stand loss.
Timing/Conditions: Early season, after transplant or emergence, in cool/moist soils.
КОНТРОЛЬ: Pre-plant/at-plant soil protection (Тефлутрин, Фіпроніл where allowed); rescue sprays Лямбда-цигалотрин, Циперметрин; Індоксакарб for larger larvae. Night applications improve contact.

Опис: Sap feeder causing wilting/collapse on young plants; swarms migrate from mustards.
Timing/Conditions: Dry springs; after weed desiccation.
КОНТРОЛЬ: Field edges first; Біфентрін or Лямбда-цигалотрин for knockdown; maintain moisture; manage weeds to prevent mass movement.

Опис: Small jumping beetles; “shot-hole” leaf damage on seedlings; stand stress.
Timing/Conditions: Soon after transplant/emergence.
КОНТРОЛЬ: At-plant Imidacloprid/Clothianidin; foliar Дельтаметрин; Спіносад for rotation/softer profile; row covers on small blocks.

Опис: Soil arthropods feeding on roots; stunting, poor stands despite adequate water/fertility.
Timing/Conditions: Persistent in organic, moist soils; damage peaks early season.
КОНТРОЛЬ: Pre-plant soil sampling; cultural (deep tillage, fallow with dry periods); at-plant Біфентрін bands or Тефлутрин where permitted. Drip irrigation management reduces hotspots.

Опис: Colonies on young leaves; curling, honeydew; vector of CMV, розширення PVY, others.
Timing/Conditions: Early–mid season in mild weather.
КОНТРОЛЬ: Імідаклоприд, Тіаметоксамабо Флупірадіфурон (systemic); Піметрозин or Afidopyropen (anti-feeding); conserve natural enemies; reflective mulches and mineral oils where labeled.

Опис: Large caterpillars; rapid defoliation, fruit feeding; large frass.
Timing/Conditions: Mid–late season, warmer areas.
КОНТРОЛЬ: Spinosad/Spinetoram, Емамектин, Хлорантраніліпрол; hand removal on small acreage; encourage Cotesia-parasitized larvae (white cocoons—leave them).

Опис: Serpentine mines in leaves; reduced photosynthesis & transplant shock.
Timing/Conditions: Warm conditions; after broad-spectrum sprays that remove parasitoids.
КОНТРОЛЬ: Абамектин, Циромазин, Spinosad/Spinetoram; avoid unnecessary pyrethroids; keep parasitoids.

Опис: Arching green caterpillars; windowing to holes; contaminant risk at harvest.
Timing/Conditions: Mid–late season, warm and humid.
КОНТРОЛЬ: Хлорантраніліпрол, Емамектин, Spinetoram, Methoxyfenozide; tighten intervals during flushes.

Опис: Flower/fruit feeder; cat-facing, aborted flowers, misshapen fruit.
Timing/Conditions: Post-bloom through fruit set, near weedy/alfalfa borders.
КОНТРОЛЬ: Флонікамід (excellent on Lygus), Ацетаміпрід, Сульфоксафлор; border sprays; mow/harvest adjacent hosts thoughtfully.

Опис: Large aphid species on tomatoes; leaf curl, honeydew, virus transmission, fruit sizing issues.
Timing/Conditions: Mid–late season buildups.
КОНТРОЛЬ: Флупірадіфурон, Acetamiprid/Imidacloprid, Піметрозин; keep predators; avoid flare-ups from repeated pyrethroids.

Опис: Larvae mine leaves/stems and bore fruit; galleries + contamination.
Timing/Conditions: Warm, dry climates; late season and cull piles.
КОНТРОЛЬ: Хлорантраніліпрол, Емамектин, Луфенурон; Bt for soft programs; strict sanitation, remove culls, tight pack-outs.

Опис: Piercing-sucking feeders; cloudy spots, yellow shoulders, internal white tissue.
Timing/Conditions: Hot, mid–late season; edge-driven.
КОНТРОЛЬ: Біфентрін, Лямбда-цигалотрин; vegetation management on borders; harvest timing to avoid peak pressure.

Опис: Scarring on leaves/fruit, bronzing; vector Tomato spotted wilt virus (TSWV).
Timing/Conditions: Hot, dry periods; greenhouse and field.
КОНТРОЛЬ: Spinetoram/Spinosad, Абамектин, ціантраніліпрол, Емамектин; reflective mulch; weed control for virus hosts.

Опис: Piercing-sucking; fruit punctures → yellow halos, internal damage; noisy fliers.
Timing/Conditions: Late season, moving from weedy or tree hosts.
КОНТРОЛЬ: Біфентрін, Лямбда-цигалотрин, Ацетаміпрід; remove weedy hosts; perimeter focus.

Опис: Direct fruit borer; deep entry holes and frass; high cull rates.
Timing/Conditions: Egg-lay on fresh fruiting clusters in warm spells.
КОНТРОЛЬ: Chlorantraniliprole/Cyantraniliprole, Емамектин, Індоксакарб, Spinetoram; tight pre-harvest intervals; pheromone traps to time sprays.

Опис: Leaf blotch mines, rolled leaves, fruit pinholes with galleries.
Timing/Conditions: Warm, arid regions; greenhouses; persists in culls & volunteers.
КОНТРОЛЬ: Spinosad/Spinetoram, Емамектин, Індоксакарб, Хлорантраніліпрол; mating disruption pheromones; sanitation and foliage removal of hot spots.

Опис: Psyllid yellows and zebra chip risk; curling, yellow tips, small leaves.
Timing/Conditions: Mid–late season in warm, dry climates.
КОНТРОЛЬ: Абамектин, спіротетрамат, Флупірадіфурон or Імідаклоприд; early suppression + border monitoring; remove nightshade hosts.

Опис: Microscopic mite; bronzing, leaf curl, defoliation from bottom up; smooth fruit russeting.
Timing/Conditions: Hot, dry, dusty conditions; greenhouse and open field.
КОНТРОЛЬ: Сірка (where safe for cultivar/temp), Абамектин, Етоксазол, Спіромесифен; start early at first bronzing; avoid broad pyrethroid flare-ups.

Опис: Defoliator and fruit feeder; similar to beet armyworm but larger stripes.
Timing/Conditions: Warm months; mid–late season.
КОНТРОЛЬ: Chlorantraniliprole/Cyantraniliprole, Емамектин, Spinetoram, Індоксакарб; scout egg masses; tighten intervals during hatch.

Опис: Underside colonies; chlorosis, honeydew/sooty mold; vectors TYLCV and other viruses.
Timing/Conditions: Hot weather, dense canopies, greenhouses.
КОНТРОЛЬ: Пірипроксифен or Бупрофезин (IGRs on immatures), Флупірадіфурон or Imidacloprid/Thiamethoxam (systemic on adults), Спіромесифен for resistance rotation; manage weeds and reflective mulches.

Опис: Soil borers causing transplant loss and fruit/root feeding on young plants.
Timing/Conditions: Fields after sod/cereals; cool soils; damage at planting–early set.
КОНТРОЛЬ: At-plant Тефлутрин or Фіпроніл (where legal); Імідаклоприд for light pressure; rotation and bait trapping to map hotspots.

Impact of Tomato Pests and Diseases

The presence of pests and diseases in tomato crops can have devastating consequences:

  • Втрата врожайності: Significant reduction in yield due to plant damage and reduced photosynthetic capacity.
  • Зниження якості: Diseases like late blight and pests like hornworms can cause cosmetic damage to fruits, affecting their marketability and value.
  • Increased Disease Pressure: Pests like whiteflies act as vectors for viral diseases, leading to compounded damage to plants.
  • Неврожай: If not properly managed, pests and diseases can lead to total crop loss, particularly in severe infestations.

Tomato Pest and Disease Management Solutions

Контрольні індикатори:

  • Раннє виявлення: Monitoring for signs of pests and diseases during early plant growth stages is critical for effective intervention.
  • Ефективне лікування: Proper application of fungicides and insecticides at the right time ensures timely control, preventing the spread of disease and pest infestations.

Критичні контрольні періоди:

  • Розсада до ранніх вегетативних стадій: This period requires close monitoring for early blight and hornworm infestations.
  • Fruit Set to Maturity: Late blight and whitefly populations peak during this period, requiring continued protection.

Рекомендовані пестициди:

  • Фунгіциди: Systemic fungicides like Манкозеб та Хлороталоніл for early blight, and Металаксил or Мефеноксам for late blight control.
  • Інсектициди: Інсектициди, такі як Перметрин, Спіносад, Тіаметоксам та Імідаклоприд are effective against hornworms and whiteflies.

Про нас

POMAIS прагне довгострокових партнерських відносин з імпортерами, дистриб'юторами та власниками брендів агрохімікатів.

Незалежно від того, чи ви розширюєтеся на нові ринки, чи розробляєте власну лінійку продуктів, наша команда готова запропонувати гнучкі та масштабовані рішення для вашого бізнесу.

Ми маємо добру репутацію серед клієнтів, які переважно походять з Росії, Близького Сходу, Африки та Південної Америки. Молода команда з продажу з ентузіазмом тепло вітає вас і допомагає вам зайняти ринок завдяки гарному сервісу та професійним навичкам.

Ми співпрацюємо з імпортерами та дистриб'юторами з усього світу. Наша фабрика, з якою ми співпрацюємо, пройшла акредитацію ISO9001:2000. Підтримка реєстраційних документів та постачання сертифікатів ICAMA. Тестування SGS для всієї продукції.

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