Banana varieties and timely harvest

The output of bananas in South China's fruits is second only to citrus. The anniversary of normal years can bear fruit, so it is mainly to solve the problems of transportation and sales.

(1) Different breeds have different levels of tolerance and disease resistance. The bananas produced in Dongguan, Guangdong Province are more resistant to storage, and the dragon tooth (also known as Guoshanxiang) is also resistant to hiding, while the bananas and bananas in Xigong are not resistant to hiding.

(2) The timely harvesting of bananas is a fruit with a respiration change. Before the transition, the color of the fruit is green and hard. Once the transition occurs, the yellow ripening becomes soft and can not be stored and transported. Therefore, it should be harvested before the respiratory jump, and transported to the place of sale by ripening. The maturity of bananas is mainly determined by the degree of fullness of the fruit shape. When the angular section of the fruit is prominent, the plumpness is less than 70% and the ripeness is not mature. When the angularity is less pronounced, it is mature, but it can be seen as perfect. Mature, full of no more than nine mature. The choice of harvesting maturity is related to the distance between production and sales and transportation time. Near-ground supply and marketing can be harvested at 90% fullness; when it is exported, the maturity is reduced, and bananas shipped to cities like Beijing, Tianjin, and Shanghai can be full in Guangdong. Harvested when reaching 75% to 85%; exported to Japan, Russia should harvest at 70% to 75%. In addition, summer temperatures are high and early harvesting should be carried out. In winter, temperatures are low and the fruits grow slowly, which can delay harvesting. The choice of maturity can also be based on the number of days and the percentage of fruit peels and fruit sections.龆ā6 俸 俸? From 0 to 80 days, 70% to 80% fullness is reached. When the flesh weight is 1.5 times that of the pericarp, it is 70% or more, and the short diameter of the fruit cross section is 75% of the long diameter, which is the minimum standard for harvesting. At maturity, the profile is almost circular.

At the time of harvesting, a complete banana leaf was cut and placed on the ground to put the ear. After cutting the fruit axis with the saccharin, use a sharp knife to go to the axis to reduce the chance of transporting weight and causing mechanical injury. At the same time, the poor quality of the tail comb, individual soft yellow, or pre-harvest ablation of the dead bananas and The banana fruit with mechanical injury was removed. Immediately after combing, wash the incision and the banana body with water, and then use 0.05% to 0.1% of thiophanate-methyl (thiophanate-methyl), carbendazim, benomyl (also known as benzoate), and thiabendazole. (also known as Pyrenein) rinse or soak for 30 seconds to control rot caused by the fungus. The concentration of medication in summer is larger, usually 0.2%. After the treatment is completed, the excess liquid can be drained and packaged and transported.

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