Control Methods for Loose Curds in Cauliflower

Cauliflower, also known as cauliflower, cauliflower, or broccoli, is a cruciferous vegetable and a variety of cabbage (Brassica oleracea). The head of cauliflower is a white inflorescence, similar to the head of broccoli. Cauliflower is rich in B vitamins and vitamin C. These components are water-soluble and easily lost through heat decomposition, so cauliflower should not be cooked at high temperatures, nor is it suitable for boiling. It originated along the Mediterranean coast, and its product organ is a curd formed by the aggregation of pure white, shortened, plump and tender flower buds, flower branches, and flower stalks. It is a vegetable with low crude fiber content, fresh and tender quality, rich nutrition, and delicious flavor that people enjoy eating.

Growth Habits of Cauliflower

Cauliflower prefers cool conditions and is a semi-cold-tolerant vegetable. Its heat tolerance and cold tolerance are both inferior to those of head cabbage (Brassica oleracea var. capitata). It tolerates neither high temperature and drought nor frost. Its suitable growth temperature range is relatively narrow, and cultivation has relatively strict requirements for environmental conditions, which is mainly determined by the botanical characteristics of cauliflower. Because the product organ of cauliflower is a curd formed by the aggregation of shortened flower branches, flower stalks, and flower buds, the curd is both a reproductive organ and a nutrient storage organ.

Biologically speaking, any organism at the reproductive stage is in its most fragile stage with the poorest stress resistance. Therefore, cauliflower has poor resistance to adverse environmental conditions such as high temperature, drought, and frost during the curd growth and development period. In terms of the growth habits of cauliflower, the aggregated curd serves as a nutrient storage organ. Under suitable environmental conditions, as cauliflower shifts from vegetative growth to reproductive growth, it must go through a nutrient accumulation and storage process with the curd as the carrier, so that the curd fully grows and becomes firm. If at this stage the external conditions exceed its suitable range, such as high temperature and drought, the above process will be shortened, and its shortened flower branches will rapidly elongate under high temperature, resulting in a small and loose curd, and satisfactory harvests cannot be obtained in cultivation.

Control Methods for Loose Curds in Cauliflower

Symptoms and causes of loose curds in cauliflower: flower stalks and flower branches develop rapidly, leading to loose curds. Causes:

1) During the heading period, the temperature is too high, curd enlargement is inhibited, while flower stalks and flower branches grow rapidly, and elongation leads to loose curds;

2) The curd is not harvested in time after fully growing.

Control methods for loose curds in cauliflower:

1) Sow at the appropriate time, arranging the curd growth period in months with an average daily temperature of 15-23°C, to avoid the impact of high temperature during the heading period;

2) Harvest in time when the curd is fully grown, with a round and neat surface, and before the edges have opened.