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Recent discoveries in plant biology h revealed that plants poss a surprising capacity for stress memory—a phenomenon where plants that have previous been exposed to environmental stressors, such drought or heat, respond more effectiv to those same challenges when they occur. This memory is not base on a nervous system, as in animals, but rather on epigenetic changes that modify how genes are expres without alter the genetic code itself. Mechanisms such as DNA methylation and histone modification allow the plant to "remember" and adapt physiologic to recur threats.

Proponents argue that this adaptive memory holds significant promise for agricultural development, especially in the face of climate change. One suggest application is the development of crop varieties that are capable retaining stress memory across generations, thereby produc offspring that more resilient to environmental extremes. This would be particularly useful in regions prone droughts or heatwaves. Some researchers suggest that mild pre-conditioning of plants—also called priming—could prepare them to survive harsh conditions later in their life cycle.

Furthermore, stress memory may reduce the need for chemical inputs, such as fertilizers and pesticides. If plants can adapt and become hard after experien moderate stress, farmers might spend less on external inputs while maintain or even increas product . Finally, the fact that these changes are epigenetic, not genetic, impl that the benefits of plant memory can be harness without resort to controvers genetic engineering methods. these reasons, many plant scientists believe that exploring and utilizing stress memory mechanisms in agriculture will become a central component of sustain farming strategies the future.

Reading 2A — Plant Care Tag

Greenway Nursery

Plant Care Guide

English Lavender Lavandula angustifolia · Hardy perennial

☀ Light
Full sun: at least 6 hours daily

💧 Water
Water deeply, then allow soil to dry

🌱 Soil
Dry, well-drained soil; avoid heavy clay

📏 Size
45–60 cm high and wide

🌸 Flowering
Late spring through midsummer

✂ Pruning
Trim lightly after flowering

Garden value: Fragrant flowers attract bees and other pollinators. Once established, the plant tolerates short dry periods.

Important: Do not overwater. Persistent moisture around the roots may cause decay. This variety is not intended for culinary use.

To advertise a seasonal gardening course
To explain how to grow a particular plant successfully
To compare several varieties sold by a nursery
To describe how lavender is prepared for cooking

In a shaded area with permanently wet soil
Indoors, away from strong natural light
In a sunny place where water drains away easily
In dense clay that retains moisture

Wait until the ground becomes fairly dry
Add more water later the same day
Move the plant into complete shade
Cover the soil to keep it constantly damp

It produces edible leaves throughout the year
It can help bring beneficial insects into a garden
It grows especially well in waterlogged ground
It needs no sunlight once it has matured

Its roots benefit from remaining continuously moist
Its flowers should be harvested for food
It must be replaced after one growing season
Excess watering is more dangerous than brief dryness

Reading 2B — Wedding Flower Order

Rose Garden Florist

Wedding Order Confirmation

Customer: Emily Carter
Wedding: 14 September 2026
Delivery: Green Hill Manor, 11:00–11:30 a.m.

Item	Qty
Bridal bouquet — white roses and eucalyptus	1
Bridesmaids' bouquets	4
Buttonholes	5
Reception table centrepieces	8

Total: £680
Deposit paid: £200
Balance due on delivery: £480

If any flower becomes unavailable, it will be replaced with a similar variety of equal or greater value while preserving the overall colour scheme.

After the wedding ceremony
When the flowers are delivered
Before the bouquets are prepared
Within thirty days after the event

The customer will receive a refund
The missing arrangements will be cancelled
A comparable flower will be used instead
Delivery will wait until the original flower arrives

Reading 3 — Grow-Lamp Assembly Guide

VitaGrow UV-A Plus 40

Indoor Plant Lamp · Quick Assembly Instructions

Before beginning: Unplug the power adapter and check that all components listed below are present.

1 LED light panel

2 suspension cables

2 ceiling hooks

1 height-adjustment cord

1 timer adapter

1 power adapter

1. Install the supports.
Secure both hooks to a shelf frame or another surface capable of holding at least 5 kg. Do not attach them to loose plaster.

2. Hang the panel.
Connect one suspension cable to each side of the lamp. Confirm that all four clips have locked before releasing the panel.

3. Adjust the height.
Position the lamp 30 cm above established houseplants. For young seedlings, begin at 15 cm and raise the panel as the plants grow.

4. Connect the timer.
Plug the lamp into the timer adapter, then connect the timer to the wall socket. Set a daily lighting period of 12–14 hours. The lamp should not remain on continuously.

5. Test the unit.
Switch on the lamp briefly and check that the panel hangs level. If one side is lower, disconnect the power before shortening its suspension cable.

Safety: Keep the adapter and connections away from water. Do not look directly at the illuminated panel or operate it with a damaged cable. The UV-A mode is intended only as a short supplemental setting; use the standard full-spectrum mode for the main lighting period.

Test the lamp at maximum brightness
Disconnect the unit and inspect the supplied parts
Attach the timer directly to the light panel
Measure the height of every indoor plant

They control the duration of the lighting cycle
They prevent the power adapter from becoming wet
They keep the two ceiling hooks equally spaced
They ensure that the suspended panel is securely held

It should gradually be moved farther from them
It should be lowered until it touches their leaves
It should be moved sideways toward the wall
It should remain permanently at its starting height

Pull the lower side down while the lamp is operating
Replace both ceiling hooks with longer ones
Cut the electricity before adjusting a support cable
Increase the timer setting until the lamp becomes level