When do grapes bloom?
This article explains in detail how to properly manage the grape blooming and fruit setting period, and the knowledge of when grapes bloom, which will surely bring you help. Let's learn about it together!
The germination period, blooming and fruit setting period, and coloring period during the growth process of grapes are all important stages in the life of grapes. The quality of germination directly affects the inflorescence, the management during the inflorescence period directly affects the fruit setting quantity, the management during the fruit setting period affects fruit drop, and the management during the fruit drop period affects the final yield and quality of grapes.
How to properly manage the grape blooming and fruit setting period? Let's take a look together with the editor.
Grapes generally bloom in April, and the duration from the blooming period to the fruit setting period is about ten to twenty days. The blooming and fruit setting period refers to the time from blooming to stable fruiting, divided into three stages: blooming, fruit setting, and fruit drop.
This period has a high demand for nutrients, is the fastest growing period for new shoots throughout the year, and is also the most active time for root growth. It is also the time when diseases and pests are most likely to thrive, and it even affects the differentiation of flower buds for the next year. So, how exactly should this important period be properly managed?
1. The optimal growth temperature during the flowering period is 25-30 degrees Celsius. The duration of the flowering period is related to the weather. The better the weather, the shorter the flowering period, usually lasting 6-10 days.
During the flowering period, it is important to quickly perform pollination, ensuring the quality and timing of the pollen. Pollination can be assisted by wind and artificial methods. It is best to shake off poor-quality pollen before performing artificial pollination. Pollination is usually done before 9 am and after 4 pm.
2. Water the plants before flowering, avoid watering during the flowering period, spray borax or gibberellin during full bloom to preserve flowers and fruits, and water after the flowers fade. During fruit setting, remove diseased, weak, and dense clusters to improve the fruit setting rate.
3. To better ensure the growth of new shoots, it is necessary to tie them to the trellis when they reach about 40 centimeters in length. Weak branches should be tied vertically, while medium and strong branches should be tied diagonally. It is best to use cloth strips for tying, as wire can easily damage the branches.
When do grapes bloom?
The blooming and fruit setting period of grapes not only determines this year's growth and fruiting but also affects next year's yield and quality. Improper management during this period can cause flower and fruit drop, affecting the yield of grapes. The most common reasons for grape flower and fruit drop are genetic factors and malnutrition.
Measures to prevent grape flower and fruit drop include: 1. Timely supplementing tree nutrients, the best time to supplement nutrients is before and after harvest and before germination. 2. Reasonable use of chemical fertilizers. Top dressing is essential in spring, before germination, during fruit drop, and during coloring. 3. Scientific pruning and timely control of new shoot growth.
Thinning fruit determines the shape of the grape cluster. Thinning begins when the grapes are the size of soybeans. The principle of thinning the fruit cluster is to thin heavily when the fruit setting rate is high and lightly when it is low. Thinning involves removing the heads and tails and leaving the middle, as well as removing diseased, weak, dense, and damaged fruits. Thinning should not be done in the morning when dew is present to prevent sunburn.
Additionally, it is important to use tools during thinning to reduce the opportunity for contact between hands and fruits, preventing damage due to excessive temperature. Thinning can be done twice, before and after the fruit setting and expansion periods. Do not rotate the clusters during thinning to prevent twisting.
The blooming and fruit setting period is an important time for grapes, and thinning affects the shape of the fruit clusters. Therefore, it is essential to be prepared and aware of the precautions during the growth process of grapes to avoid damaging them and ensure the quality and yield of grapes.
The comprehensive explanation of how to properly manage the grape blooming and fruit setting period and when grapes bloom shared above, I hope it can act as a stimulus to solve problems in your life.