Posts Tagged ‘curly leaves’

Curled tomato leaves

Person Author: Lajos Szabo Calender May 29, 2012 Posted Tags: , , Comment No Comments

If you have a small greenhouse or polytunnel in your garden or allotment plot and you find that your plants, especially tomatoes, have curly leaves don't be afraid. The curling is almost entirely down to the fact that the night temperature is much lower than the daytime temperature. In the greenhouse in direct sunshine at around 2pm the highest I have measured was 45 Celsius with vents and door open; there was no wind whatsoever at that time and after midday is the hottest time of the day. And during the night the greenhouse does get nearly as cold as the outdoor temperatures believe me, which still can be around 10 Celsius. The plants in your greenhouse make a surplus of food during the warm daytime and the cold nights slow down their biological activities therefore they cannot abs

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