How do you protect the flowers and fruits when planting a pomegranate tree?
How do you protect the flowers and fruits of a pomegranate tree? What good methods are there? Friends, please share. Most pomegranate flowers are generally degenerate flowers, and the flowers that can set fruit normally usually account for only about 10% of the total flower count. To obtain a high-yield harvest, the fruit-setting rate needs to be increased. For detailed methods, refer to the list below. Method one: foliar...
Most pomegranate flowers are generally degenerate flowers, and the flowers that can set fruit normally usually account for only about 10% of the total flower count. To obtain a high-yield harvest, the fruit-setting rate needs to be increased. For detailed methods, refer to the list below.
Method one: foliar feeding:
At the early flowering stage of the pomegranate, spraying the leaves with a 0.5% urea solution, 1% superphosphate extract, 0.3% monopotassium phosphate solution or 0.3% borax solution can increase the fruit-setting rate by 7%-10%.
Method two: flower and fruit thinning:
Degenerate flowers not only fail to set fruit normally, but also consume a large amount of nutrients from the tree. Therefore, after the pomegranate buds appear, when tubular flowers and bell-shaped flowers can be distinguished, most of the bell-shaped flowers should be removed to reduce nutrient consumption.
After fruit set, diseased and insect-damaged fruits, deformed fruits, late-season fruits and small fruits among clustered fruits should be thinned in good time. The amount of fruit thinning depends on tree vigor; generally, when there is a lot of fruit, thin more, and when there is little fruit, thin only diseased and insect-damaged fruits and do not thin normal fruits; thin more from old and weak trees and less from vigorous trees.
Method three: artificial supplementary pollination:
The self-pollination fruit-setting rate of pomegranate is very low. When the flowering period is cold and rainy and there are few pollinating insects, artificial supplementary pollination is needed; using artificial supplementary pollination on pomegranate can increase its fruit-setting rate by 9.6%.
The artificial supplementary pollination method is: when there are few trees and the amount of pollination is small, you can directly use newly opened bell-shaped flowers to pollinate tubular flowers, or use a writing brush to first collect pollen from normal flowers of pollinator trees that have already shed pollen, and then pollinate the stigmas of newly opened normal flowers on the main cultivar trees; pollinated flowers can have their petals removed as a marker.
The amount of pollination should be determined by the tree: trees with large canopies, strong vigor, as well as young trees and vigorous trees, should be pollinated more to encourage more fruit set; trees with small canopies, weak vigor and old age can be pollinated less, so as to help rejuvenate tree vigor and improve fruit quality.
Method four: timely prevention and control of pests and diseases:
The disease that mainly harms pomegranate fruits is dry rot, with July as the peak incidence period; it can be prevented and controlled by spraying a 1:1:160 Bordeaux mixture or a 40% carbendazim suspension concentrate at 800 times dilution. The main insect pests are the peach fruit borer and the peach fruit moth, both of which bore into the fruit as larvae to feed and cause damage, affecting fruit yield and quality.
To control the peach fruit borer, during the adult occurrence period and the peak egg-laying period, spray a 50% fenitrothion or 50% phoxim emulsifiable concentrate at 1000 times dilution for control; you can also use 1 part 50% phoxim emulsifiable concentrate or 90% crystal trichlorfon, add 100 parts fine soil, make it into a medicinal paste, and plug the calyx;
To control the peach fruit moth, during the larval emergence period (June to July), spray the ground under the tree canopy with 50% phoxim emulsifiable concentrate at 300 times dilution, and after spraying, shallowly hoe the tree plate; or during the peak adult occurrence period, spray 2.5% deltamethrin or 20% fenvalerate at 3000 times dilution for control.
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