Tomato seedling leaves have white spots, how to control

September 27, 2021

This is a typical symptom of toxic gas poisoning.


1. Use plastic films containing chlorine and other harmful additives (new awnings or new shed films have occurred). When the light temperature is high, harmful substances that are volatilized combine with the moisture in the air to form acidic substances, causing harm to the seedlings.

2. The heating equipment and coal stove used in the shed produce harmful gases such as carbon monoxide and hydrogen sulfide, which combine with the water in the air to form weak acid, causing decoloration of the seedling leaves, and causing white spots or white edges.

Control methods

In the early stage of discovery, the leaves can be sprayed with mild water, usually 2 or 3 times. At the same time, the foliar spray of Baonongfeng is used to promote rapid growth, and it is generally possible to restore new leaves in a week or so. If the growth point has turned white and shrivelled, the seedlings cannot be recovered and measures should be taken promptly.

Frozen Cauliflower

The frozen cauliflower refers to the fresh cauliflower which is processed under frozen vegetable method.

Frozen vegetable is a kind of frozen food. It is a small packaged food made of Fresh Vegetables such as pepper, tomato, beans and Cucumber after processing and frozen at the lowest temperature as soon as possible.

Production technology of Frozen Vegetables:

Raw material washing → primary sterilization → slicing → secondary sterilization → dehydration → quick freezing → packaging → refrigeration

Frozen vegetables are not just a single dish, but many kinds with mixed a variety of dishes. By matching with a variety of mixed dishes, they have reasonable nutritional value,can provide more comprehensive vitamins.

The frozen vegetable is including many different kinds of vegetables, for example, bell pepper, tomato, potato, beans (soybean pod, salted soybean, shelled soybean, greaan beans, green peas and so on), green asparagus, garlic sprout, pumkin, okra, corns, peanut, lotus slice and many more.

As we know, the vegetable contains lots of vitamins and fibres, minerals and nutrients that is good and healthy for our body and daily life.

Frozen Cauliflower,Freezing Cauliflower,Mashed Cauliflower Frozen,Frozen Cauliflower Gnocchi

Tianshui Wenpu International Trade Co.,Ltd ,