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Forming cucumbers in a greenhouse, shaping a bush and controlling shoot growth are all elements of caring for the most popular vegetable plant. The cucumber is a fast growing vine. In order to get a good harvest, it is necessary to constantly direct the growth of shoots in the right direction, to encourage the plant to concentrate forces on the ripening of fruits.
Cucumber liana formation
The cucumber bush is an annual liana that, under favorable conditions, is capable of developing very long and branched shoots. For the humid tropics, this may be good, but where the growing season lasts 6-7 months, the growth of green mass is not always necessary.
The formation of cucumbers in a polycarbonate greenhouse is the optimization of the structure of the entire vine in order to increase yields.
In order for the cucumbers not to go into the leaves, but to bloom and bear fruit as actively as possible, you must follow the following rules:
- Periodically remove anything that does not work for the crop.
- The placement of the bushes should be as rational as possible.
- Cucumbers in a polycarbonate greenhouse can only give a decent harvest if they trail along the trellis.
- With the help of a rational scheme of pinching and pruning, the cucumber bush is given the desired direction of growth in connection with the requirements of illumination, branching and growth restriction.
First of all, it is necessary to remove leaves in deep shade - they do not fully carry out photosynthesis, but at the same time they take water and minerals. The lowest leaves are also subject to removal; leaves and shoots that begin to wilt and turn yellow. Finally, mustaches and male flowers are often classified as superfluous and unnecessary. This question is controversial, but worthy of attention.
The most rational placement of bushes means that the formation of cucumbers in a polycarbonate greenhouse depends significantly on the abundance of sunlight and the duration of its exposure to all parts of the cucumber vine. The formation of the bush must be done in such a way as to provide maximum illumination with a minimum of occupied space.
Advice! The creation of vertical support is the basis for optimal bush formation.
It is possible to do without trellises only if there is an excess of space and the temporary nature of the use of the land.
Thus, the formation of a cucumber lash is a set of measures to remove excess and optimize the placement of shoots relative to the light source. Everything else is in the nature of secondary actions.
Trimming and pinching rules
The fundamental difference between pruning and pinching is the radicality of the impact. In the first case, we are talking about removing part of the whip, leaves, fruits, flowers and whiskers. In the second - most often about the removal of the growth point on the main or lateral shoot. Pruning and pinching are the main methods for forming a bush.
The pruning and pinching scheme consists of the following actions:
- At the stage of appearance of the first 6 leaves, you need to pinch off the top of the shoot. This stimulates the plant to branch out further, which increases the yield. If time is lost and the vines are already large, then pinching is pointless - this will only lead to inhibition of growth.
- Removal of excess mustache and male flowers. If you have chosen the strategy of carefully hand tying all the lashes, then the mustache, of course, needs to be trimmed. However, it is not worth removing all male flowers - pollen must be taken from somewhere to fertilize female flowers.
- Some leaves from cucumbers in the greenhouse must be removed.
- If you are not going to leave cucumbers for seeds, then remove all overripe fruits immediately. As they continue to mature, they will consume resources.
The strategy for the formation of cucumbers in a polycarbonate greenhouse depends on your desire, ideas about the feasibility and features of the greenhouse design. This is especially due to the permissible length of the whip. If the vine is too long, it can be cut or bent down to fill the voids of the lower floors of the trellis.
Optimizing the placement of creepers in space
In order to understand how to form cucumbers correctly, it is not necessary to focus on the ubiquitous pruning and pinching. Sometimes you need to allow the plant to have what at first glance is superfluous. It's about the mustache. Growing mustache cucumbers can be not only permissible, but even beneficial. It all depends on the strategy you choose for placing the bushes in the greenhouse.
The presence or absence of a mustache makes its own adjustments to the formation of cucumber bushes. However, no matter how you decide to grow vines, you must follow the following rules:
- Once every 3 days, you need to check the position of the shoots and tie up the falling lashes.
- With the same regularity, the shoot should be wrapped around the twine in a clockwise direction. After all, this is exactly what the vine does in natural conditions. The tip of any shoot should be free, since this is where the growing point is located. Twisting occurs with the help of that part of the shoot, which is approximately 5 cm below the top.
- When we form whips with whiskers, the process is simplified and complicated at the same time. During the period of active growth, vines with the help of a mustache will shape themselves, actively clinging to whatever comes along. However, this is only good if the plantings are sufficiently sparse, and the trellises are well equipped with dense wire weaves. Otherwise, someday you will find that everything is entangled and confused.
Of course, everyone has their own answer to the question of how to form cucumbers in a greenhouse. The gardener himself decides how to grow cucumbers - with or without a mustache, sparse or as thickened as possible, with high and complex trellises or with single twines. However, it is highly desirable to know the basic rules for the formation of cucumbers in a polycarbonate greenhouse, which have absorbed the experience of more than one generation of farmers.