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Climatic and Temperature Requirement of Tomato

Climatic Requirements

Tomato is a warm season crop, it requires warm and cool climate. The plants cannot withstand frost and high humidity. Also light intensity affects pigmentation, fruit colour, fruit set. The plant is highly affected by adverse climatic conditions. It requires different climatic range for seed germination, seedling growth, flower and fruit set, and fruit quality. Temperature below 100C and above 380C adversely affects plant tissues thereby slow down physiological activities. It thrives well in temperature 100C to 300C with optimum range of temperature is 21-240C. The mean temperature below 160C and above 270C are not desirable. The plant doesn't withstand frost, it requires low to medium rainfall, and does well under average monthly temperature of 21 to 230C. Avoid water stress and long dry period as it causes cracking of fruits. Bright sunshine at the time of fruit set helps to develop dark red coloured fruits.

Temperature Requirement

Sr. No.

Stages

Temperature (0C)

Minimum

Suitable

Maximum

1.

Seed germination

11

16-29

34

2.

Seedling growth

18

21-24

32

3.

Fruit set (day)
(night)

10

15-17

30

18

20-24

30

4.

Red colour development

10

20-24

30

0
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Please note that this is the opinion of the author and is Not Certified by ICAR or any of its authorised agents.