{"id":27995,"date":"2026-09-02T20:50:13","date_gmt":"2026-09-03T00:50:13","guid":{"rendered":"https:\/\/belacereais.com.br\/2026\/safra\/cafe-manejo-da-florada-pode-definir-a-proxima-safra\/"},"modified":"2026-09-02T20:50:13","modified_gmt":"2026-09-03T00:50:13","slug":"cafe-manejo-da-florada-pode-definir-a-proxima-safra","status":"publish","type":"post","link":"https:\/\/belacereais.com.br\/en\/2026\/safra\/cafe-manejo-da-florada-pode-definir-a-proxima-safra\/","title":{"rendered":"Coffee: managing the flowering period can determine the next harvest."},"content":{"rendered":"

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Managing the flowering of coffee<\/a>\u00a0This is crucial for the productive potential of the next harvest. Between September and November, the main producing regions, such as Bahia, Esp\u00edrito Santo, Minas Gerais, Rond\u00f4nia, and S\u00e3o Paulo, enter the flowering period, when water, nutrition, and plant health help determine flower setting and the formation of the first fruits.\n<\/p>\n

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The coffee plant goes through a sequence of stages until it transforms flower buds into small fruits. Therefore, the producer needs to prepare the crop before the flowers open and pay attention during the following weeks, when water, nutritional, or phytosanitary stresses can cause abortions. The formation of flower buds generally occurs during the dry winter period, when the plant reduces vegetative growth and begins the formation of floral primordia.<\/p>\n

Then, the buds develop and remain in the leaf axils until they receive the necessary stimulus to open. The first significant rain or a light irrigation after a dry period can trigger a more concentrated flowering.<\/p>\n

Coffee flowers are white and mostly self-pollinating, meaning they self-fertilize. A few days after opening, they dry out and give rise to the small, young fruits. It is precisely during this interval that the plant is most sensitive. After fertilization, any strong stress can compromise fruit set and cause fruit abortion.\n<\/p>\n

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Water balance is among the main factors influencing flowering. A moderate dry period can favor floral induction, but prolonged water shortage after flowering increases the risk of fruit drop.<\/p>\n

In the main coffee-growing regions, the drier winter pattern followed by the start of the rains between September and November directly affects flowering behavior.<\/p>\n

When rainfall occurs in short bursts or irrigation is poorly managed, multiple, spaced-out flowering periods can occur. The result is greater unevenness in ripening, difficulty in harvest planning, and the possibility of reduced quality.<\/p>\n

On the other hand, a prolonged drought after a large flowering period can cause some of the small fruits to abort due to lack of water and energy to sustain them.<\/p>\n

Heavy rainfall accompanied by low sunlight can also increase flower and fruit drop, as well as promote the development of diseases.<\/p>\n

In irrigated crops, water management can be used to better control the timing and concentration of flowering. In winter, irrigation can maintain the crop in good physiological conditions until the floral induction phase.<\/p>\n

In the period immediately preceding flowering, reducing the leaf blade can create mild water stress, provided it remains within safe limits and does not cause excessive defoliation.<\/p>\n

Then, a significant amount of water, determined according to technical recommendations, soil type, and water retention capacity, can trigger a more concentrated flowering.<\/p>\n

After the flowers open, the goal becomes maintaining adequate and stable soil moisture, avoiding both drought and waterlogging.<\/p>\n

In rainfed farming, the producer does not control rainfall, but can work to conserve the water available in the soil.<\/p>\n

Mulching with straw, cover crop management, and terracing help reduce losses due to surface runoff. It is also important to avoid operations that excessively expose the soil near flowering.<\/p>\n

Nutrition also needs to be planned before flowering. The plant needs energy, adequate branch structure, and healthy tissues to transform flowers into fruit.<\/p>\n

Nitrogen is essential for leaf growth and production, which support photosynthesis. Deficiency can reduce leaf area and the ability to support fruit, while excess can stimulate excessive vegetative growth and increase competition with production.<\/p>\n

Potassium plays a role in regulating water balance, transporting sugars, and filling the fruit. A good level of this nutrient helps the coffee plant better withstand variations in water and temperature during fruit set.<\/p>\n

Calcium contributes to the formation of cell walls and the integrity of reproductive tissues. Conversely, a deficiency can increase the abortion of flowers and young fruits.<\/p>\n

Boron is considered critical for flowering and fruiting, participating in pollen grain germination, pollen tube growth, and fruit set. Low availability may be associated with lower fruit set.<\/p>\n

Zinc is related to hormone synthesis and growth, and can influence the development of productive branches and flower formation.<\/p>\n

Nutritional planning should consider soil analysis and, when possible, foliar analysis. Based on these results, more balanced corrections and fertilization can be defined throughout the cycle.<\/p>\n

Liming and gypsum application, when necessary, should be carried out in advance to allow for the availability of calcium and magnesium in the soil profile before critical phases.<\/p>\n

Maintenance fertilization also needs to be distributed throughout the year, avoiding excessive concentrations of nutrients that could disrupt growth.<\/p>\n

Micronutrients such as boron and zinc can be applied via soil or foliar application, according to technical recommendations and respecting the label and package insert instructions.<\/p>\n

The plant's architecture is another point of attention. The coffee plant needs to reach flowering with well-formed, productive branches and healthy leaf area.<\/p>\n

Training and topping pruning should be planned so that the plant has vigorous plagiotropic branches and well-distributed nodes during the flowering period.<\/p>\n

Pruning that is too drastic or done at the wrong time can reduce the number of productive branches available for the next crop.<\/p>\n

Crop health also directly affects fruit set. Rust, cercospora leaf spot, and other diseases that cause defoliation reduce the plant's photosynthetic capacity and can compromise fruit development.<\/p>\n

Monitoring should begin before flowering, following integrated management strategies.<\/p>\n

Pests such as leaf miners and mites also require attention because they attack the leaves, reduce the leaf area, and can cause bud and fruit drop.<\/p>\n

When economic damage thresholds are reached, control measures should be implemented using registered products and following agronomic recommendations.<\/p>\n

Balancing the production load should also be factored into the planning. Plants that have undergone a very high yield can become stressed and show lower fruit set in the following crop, a phenomenon related to biennial bearing.<\/p>\n

In this scenario, pruning, fertilization, and crop load balancing can help reduce the effects on subsequent production.<\/p>\n

Before the first flowering, between September and November, the producer can assess the number of productive branches and check if the flower buds are well developed at the nodes.<\/p>\n

It is also important to observe the level of defoliation, the color of the plants, and any possible visual signs of nutritional deficiency.<\/p>\n

Another point is to check if the crop suffered excessive water stress during the winter, with signs such as intense wilting, leaf drop, and dry branches.<\/p>\n

The history of diseases and pests from the previous crop and the effectiveness of the control measures adopted also help to assess the crop's conditions for flowering.<\/p>\n

During and immediately after flowering, the uniformity of flower opening should be observed. A concentrated flowering tends to facilitate management and production planning.<\/p>\n

Soil moisture deserves special attention, especially in areas with sandy or shallow soils, where water availability can drop rapidly.<\/p>\n

The producer should also monitor the start of pellet formation and check for excessive pellet drop in the following weeks.<\/p>\n

Flowering represents only the beginning of the sequence that involves fruiting and ripening. Good fruit set tends to result in a greater quantity of fruit distributed along the branches.<\/p>\n

Greater uniformity can also make it easier to plan the harvest between May and August, depending on the region and the flowering season.<\/p>\n

When the plant is able to make better use of water and nutrients, the efficiency of converting these resources into processed coffee production increases.<\/p>\n

However, excessively high fruit set in weak or poorly nourished plants can also cause problems. These include small, poorly formed fruits, greater crop alternation, and increased susceptibility to water and nutritional stress during grain filling.\n<\/p>\n

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Therefore, managing flowering should be integrated into the overall crop planning, including soil correction, fertilization, pruning, irrigation when available, and plant health control.<\/p>\n

In practice, the producer must ensure that the coffee plant reaches flowering with a good leaf area and vigorous, productive branches.<\/p>\n

You should also plan soil correction and fertilization adjustments in advance, monitor pests and diseases, and, in irrigated crops, use controlled water stress and the resumption of irrigation to favor the concentration of flowering, always with technical guidance.<\/p>\n

Avoiding severe or prolonged water deficit immediately after flowering is crucial, as is preventing waterlogging and drainage problems that can harm the roots and hinder plant establishment.<\/p>\n

Soil and water conservation, through soil cover, terracing, and cover crop management, should also be part of the strategy.<\/p>\n

After flowering, monitoring the formation of the small fruits and any excessive fruit drop allows for adjustments to water and nutrient management according to crop conditions.<\/p>\n

The doses of fertilizers, soil amendments, pesticides, and irrigation depths vary according to soil type, climate, crop age, production history, and results of soil and leaf analyses.<\/p>\n

Therefore, management decisions must consider the specific reality of each area and be monitored by an agricultural engineer, in addition to complying with the recommendations on the label, package insert, and agricultural prescription.
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