How to identify and control Tuta Absoluta in open field tomato farming

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Source:

https://www.youtube.com/watch?v=RJ4RUw8WA8E&t=95s

Duration: 

14:17:00

Year of Production: 

2022

Source/Author: 

Agri Innovation Hub
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A farmer should implement a spray program from the time they transplant their tomatoes because pests such as the Tuta Absoluta and the leaf miner start attacking from as early as the nursery stage.

When the pests suck the sap off the plant then there will be poor leaves and the vegetative part of the plant will be weak. Some pests that attack tomato plants include the white flies, red spider mites, and thrips. The diseases that attack tomatoes include the late blight and the early blight. If the early blight is not controlled on time, it will accelerate the rate at which the late blight attacks. In tomato fruits, there are cases of sun scalding where the part of the fruit that is directly subjected to the sun during the day is scarred by the sun. Tomato plants can also be affected by cases of blossom end rot. This disease is brought about by either high nitrogen levels during the vegetative growth stage, inadequate calcium in the soil, or less water.

Pests and diseases.

Some of the pests that attack tomato plants include the white flies, red spider mites, and thrips- all of which are characterized by sucking the sap off the plant. The diseases that attack tomatoes include the late blight and the early blight. In cases of late blight, it happens overnight and the farmer finds the whole produce in the farm is blackish in color and the leaves have a color change. In the cases of early blight, the disease starts from the main leaves of the plant and moves up to the rest of the leaves gradually. If the early blight is not controlled on time, it will accelerate the rate at which the late blight attacks. In tomato fruits, there are cases of sun scalding where the part of the fruit that is directly subjected to the sun during the day is scarred by the sun which reduces the moisture content of the fruit.

Chemicals.

A farmer should implement a chemical spray program from the time they transplant because pests start attacking the crops from as early as the nursery stage. The farmer needs to also do their research before purchasing chemicals as some agronomists might ill-advise just to earn money. Scouting of the field should be done daily as the farmer will be able to control the pests early on. Most pests fall under the same category of sucking the plants sap, and it will be easier for the farmer to use one chemical to control at least 2-3 sap sucking pests.
Sequence from Sequence to Description
00:0001:16In order to tell the difference between the Tuta Absoluta and the leaf miner, one should look at the sizes where the Tuta Absoluta is bigger than the leaf miner. A farmer should implement a spray program from the time they transplant because the Tuta Absoluta and the leaf miner start attacking the crops from as early as the nursery stage.
01:1702:35The farmer needs to do their research before purchasing chemicals as some agronomists might ill-advise just to earn money. Another pest that attacks tomato plants include the white flies which suck the sap off the plant.
02:3603:23When the pests suck the sap off the plant then there will be poor leaves and the vegetative part of the plant will be weak. Another pest that attacks tomatoes is the red spider mites whose presence is signified by webs in the farm.
03:2404:21Red spider mites can also be signified by the thinning of the plants leaves from under. Another type of pest is the thrips which are mostly confused with spider mites as they both suck sap from the plant.
04:2205:42Scouting of the field should be done daily as the farmer will be able to control the pests early on. Most pests fall under the same category of sucking the plants sap, and it will be easier for the farmer to use one chemical to control at least 2-3 sap sucking pests.
05:4306:52The farmer should also do their research about the content of the chemical and know its active ingredient. This allows them to know the type of chemical they can use to control 2 or more pests.
06:5308:23When the farmer has bush fields of plants such as tomatoes, there is a probable infestation of rodents such as rabbits. These rodents consume plants such as cabbages, tomatoes, and capsicum.
08:2409:46The diseases that attack tomatoes include the late blight and the early blight. In cases of late blight, it happens overnight and the farmer wakes up and finds the whole produce in the farm is blackish in color and the leaves have a color change.
09:4711:17In the cases of early blight, the disease starts from the main leaves of the plant and moves up to the rest of the leaves gradually. If the early blight is not controlled on time, it will accelerate the rate at which the late blight attacks.
11:1812:18In tomato fruits, there are cases of sun scalding where the part of the fruit that is directly subjected to the sun during the day is scarred by the sun. This is because the intense sun rays and high heat reduce the moisture content of the fruit.
12:1913:23To ensure the moisture content of the soil is maintained and regulate the sun scalding, the farmer should ensure regular watering of the plant by use of methods such as drip irrigation. Drips have different sizes e.g. 15, 20, or 30 cm between the emitters.
13:2414:17Tomato plants can also be affected by cases of blossom end rot. This disease is brought about by either high nitrogen levels during the vegetative growth stage, inadequate calcium in the soil, or less water.

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