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While there are many disease and pests that can bear upon tomato plants , the most vulgar terror are fungous disease . drive include unconventional lachrymation , excess humidness , overcrowding , and poor air circulation . amend these issue , keep planting areas free of debris , plantdisease - resistant mixture , and you will increase your luck of get sound and productive tomato plants .
TOMATO TROUBLESHOOTING
pic by : Jean Faucett / Shutterstock .
BLACKENED FRUIT ENDS
This is potential due to blossom end rot , which betoken a calcium deficiency . Uneven watering practices , too much nitrogen , and temperature fluctuation are contributing factors .
Solutions :
Guide : How to Water Tomato Plants
Photo by : emmanine / Shutterstock .
prime fall
prime send away off the plant without yield developing . This is usually make by utmost temperature fluctuations . Tomatoes need nighttime temperatures between 55 - 75 degrees F to successfully set flowers and fruit . Other causes admit not enough water , insect damage , lack of pollination , and too much or too little nitrogen .
Photo by : Miyuki Satake / Shutterstock .
FRUIT CRACKING
Skin and frame separate , introduce disease and compromise yield quality . laboured rainfall can make yield intumescency , which leads to crack .
Photo courtesy Missouri Botanical Garden .
WHITE OR YELLOW PATCHES ON FRUIT
As fruits develop and ripen , yellow patches form on the skin , turn white and becoming report - thin . This creates an untempting appearance and poor flavor . This is likely due to sun scalding .
POOR FRUIT SET
works exhibit some flowers , few or no tomatoes , and poor fruit development . This can be triggered by too much atomic number 7 , which make plant life to arise lots of foliage at the disbursement of flowers and fruit . This can also be due to lack of pollenation or uneven temperature .
distorted TOMATOES WITH VEINING
Fruits are on an irregular basis shaped with brownish scarring . This is due to catfacing , which is triggered by flush drop when temperatures fall too low . This primarily affects the first tomatoes that develop . It does n’t affect the flavor , so yield can still be eat once the affected parts are abridge out .
photograph by : AmBNPHOTO / Shutterstock .
BROWN SPOTS ON LEAVES
blemish on leaves up to 1/2 in diameter have tan centers with homocentric doughnut and yellow edges . This can be an indication of early blight .
Photo by : Plant Pathology / Shutterstock .
MANY little LEAF SPOTS
Multiple small touch ( 1/16 to 1/4 " ) with glum browned edges and tan or greyish centers on leafage can indicate Septoria leaf spot , one of the most devastating diseases for tomato foliage . Infection bulge out with the lower leaves and move up the plant . Particularly severe in damp weather .
Tempting Tomatoes ® ' Garden Gem ' Lycopersicon esculentum flora . pic : Proven Winners .
Tempting Tomatoes®
One of the easy ways to insure goodly plants is to grow disease - resistive variety , such as :
YELLOW , WILTED PLANTS
Yellowing that begins with lower leaves and often found on one side of a plant , can be a sign of Fusarium wilting . This soil borne fungus is common in fond region and develops quickly in soils that are eminent in N and modest in potassium .
Photo by : krolya25 / Shutterstock .
DISCOLORED MOLDY LEAVES
situation get out pale green , turn to brownish and smutty . Fuzzy mold can appear on undersides of leaf . Eventually stems and yield will also be affected . This is a sign of late blight , one of the most serious tomato diseases . An full industrial plant can be killed in a short amount of time .
YELLOW lower berth leaf
Yellow blotches appear on low leafage , which will prepare brown veining , then fall off . This signals the other stage of verticillium wilting , which is have by soil borne pathogens , attacking the root and moving up the plant fore . It foreclose normal flow of water and nutrient to the leaves .
Learn more : Why Are My Tomato Leaves Turning Yellow ?
Photo by : ccpixx photography / Shutterstock .
HOLES IN LEAVES AND SUDDEN DEFOLIATION
This can be triggered by hornworms , the larvae of five - spotted hawk moths . These magnanimous caterpillars 3 - 4 inches long can consume a large quantity of leafage and stem , decimating an entire plant in a scant amount of time .
Learn more : How to Prevent & Get Rid of Tomato Hornworms
Photo by : JA King / Shutterstock .
STEM DAMAGE ON seedling
This is likely cause by cutworm , which emerge at night and eat through the prow at most grime level .
BLACK MOLD INSIDE TOMATO
There are several potential causes , which include intimate bloom end rot , anthracnose , or skin crack that reserve fungal disease to enter the fruit .
ROUND HOLE IN FRUIT
The most common cause is love apple fruit insect , which tunnels into the centre of the fruit , causing it to rot .
Photo by : Olya Maximenko / Shutterstock .
DARK BULL ‘S EYE ON BOTTOM OF FRUIT
The large round situation is sunken and mushy to the signature . This is likely a fungus called anthracnose , which develops in blistering humid weather and is aggravated by overhead watering and poor drainage . It most often affects ripe rather than green yield , and will cause fruit to rot .
Learn more : How to Treat & Prevent Anthracnose
More on growing tomatoes : How to Grow Tomato PlantsDifferent Types of Tomatoes to GrowHow to Grow Tomatoes From SeedStaking tomato plant : A Simple How - To GuideTomato Gardening Tips
