gasmeter

Silver Back Strain Test Grow Second Run 2020

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Its time to get my indoor journal going for the 4 X Silver Back strain test indoor grow.

Here is the info about the grow kit and nutrients I will be using.

Tent

Mars Hydro 70cm X 70cm X 160cm


Grow Light

Mars II 400 LED

The grow light is the equivalent to a 250W HPS.


Strains

4 X Silver Back = Green House Seeds

All of the seeds are feminised.


Growing Medium

BioBizz Lite Mix

The soil is new and has not been used before.


Pots

3 inch and 4 inch plastic pots (seedlings/young plants).

Root Pouch fibre pots 12 litre.


Plant Feed

Green House powder feeding mineral nutrients and additives.

Plus Plant Magic Root Stimulant.

24oct-2020-ghsc-mineral-grow.jpg.cf3c8b4329a57b773e6717d2e30a9789.jpg

Grow

N-P-K-Mg: 24-6-12(1.2)

Designed specifically for the vegetative growth stage of all plants.
Its formula provides optimum development throughout the growth-stage to obtain greener, stronger and more resistant plants.
Grow faster, greener and more vigorous than ever.
Ideal for the production of cuttings. The easy assimilation of nutrients and the high Nitrogen content provides plants with a more robust and branched structure.
The great thickness of the leaves accumulates more reserves, stimulating rapid rooting of cuttings.

https://shop.greenhousefeeding.com/grow-bag.html

 

 

 

 

 

 

 

 

24oct-2020-ghsc-mineral-hybrid-bloom.jpg.46f2ff8754cb33cc48055b5d0a25ef93.jpg
Hybrids

NPK: 15-7-22

The Hybrids feeding contains less ammoniacal nitrogen and higher amounts of magnesium which is beneficial for Hybrid varieties with a flowering time of 8-10 weeks and plants grown in hydroponic systems..

The higher amount of magnesium and sulfate stimulates the production of essential oils, terpenes and flavonoids.

https://shop.greenhousefeeding.com/hybrids-bag.html

 

 

 

 

 

 

 

24oct-2020-ghsc-mineral-booster.jpg.edeb9416850bba73a3a240614f9e6ea0.jpg
Booster

0 - 30 - 27 PK+

This additive is especially formulated to provide the right amounts of Phosphorus,
Potassium, Magnesium and micronutrients to increase flower and fruit production.

https://shop.greenhousefeeding.com/booster-en.html


More updates to follow, happy growing... :pleasantry:

 

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The first run of Silver Back girls was a bit messy so I decided it would be a good idea to do a second run, so on Friday the 4th of September 2020 I started to germinate another 4 Silver Back beans by placing them between damp kitchen roll.

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I kept the kitchen roll damp and when I checked the beans the following day 5th of September 2020 one of the beans had cracked its shell case, I left the beans between the damp kitchen roll in a drawer in the dark.

The following day 6th of September 2020 the other 3 beans had cracked their shell cases and their tap roots were visible as well so I left them between the damp kitchen roll in the drawer to let their tap roots grow.

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Unfortunately one of the beans seems to have mis-fired the next day 7th of September 2020 when I checked the beans three had nice long tap roots, but the fourth bean had not pushed out its tap root and after cracking its shell case it seems to have stalled on the starting line.

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The tap roots on the other 3 Silver Back girls were nice and long so I mixed a mild solution of Plant Magic Root Stimulant in a jug and placed 3 Root It sponges in the solution to soak for a few minutes.

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Before I placed the Root It sponge plugs into the solution I slide the blade of a pair of scissors into the hole in the middle of each of the sponge plugs and then I cut down one side of the sponge plug to split them.

Then I placed the 3 germinated Silver Back girls into a sponge plug

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Then I put each plug into its little black plastic pot and sat them on a plastic saucer and then gave them a few mls of water and root stimulant.

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Then I put the plastic saucer with the root plugs and Silver Back babies under the fluorescent tube.

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The last bean is has definitely dropped out :bad: it has not changed in the past few days.

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I then put a new Silver Back bean between the damp kitchen roll to germinate and to give the other bean a chance in case it is just very slow.

More updates to follow, happy growing... :pleasantry:

 

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The next day 8th of September 2020 when I checked on the 3 Silver Back babies in their root plugs and switched on the fluorescent tube in the morning they had all come earth strong and had grown above the sponge surface.

24oct-2020-sb-08sept-3-earth-strong-babies.thumb.jpg.4500519501100db22e8de8b03149fb07.jpg
The new bean has not cracked and the old bean has not changed it still looks dead.

24oct-2020-sb-08sept-new-still-soaking.thumb.jpg.0da44d840d8451ef228260073526dda6.jpg
The following morning on the 9th of September 2020 when I checked the 3 Silver Back babies they were a bit taller and looking healthy I dripped a few mls of water on their sponge plugs to keep them damp.

24oct-2020-sb-09sept-babies-taller.thumb.jpg.c21409a977bd0a54c5158d5350f6f659.jpg
The new bean has now cracked its shell case after two days between damp kitchen roll and still no change with the other bean I think we can safely say that this bean is officially dead an done. :angel:

24oct-2020-sb-09sept-bean-germinated.thumb.jpg.86ffab38ee7866324948120b6546915a.jpg
I left the new Silver Back bean in between the damp kitchen roll for a couple of days to allow the tap root to grow longer and a couple of days later on the 11th of September 2020 it was time to put it into a Root It plug.

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I then put it with the other 3 Silver Back babies.

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The following day 12th of September 2020 when I checked on the silver Back babies and switched on the fluorescent tube the new one had come earth strong and grown above the surface of the sponge plug.

24oct-2020-sb-12sept-new-baby-earth-strong.thumb.jpg.a412ae480af23cf987c99c9c23c0e3a8.jpg

I am well pleased with the growth of rate of the seedlings so far they seem quite strong and vigorous.

More updates to follow, happy growing... :pleasantry:

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Four days later on the 16th of September 2020 the last seedling that germinated is now about the same size as the other three Silver Back seedlings.

24oct-2020-sb-16sept-4-seedlings.thumb.jpg.8a7a270d25642a53e351752138e35765.jpg

They are all growing well and they have plenty of roots even the last one to germinate so they need to be planted in some dirt in little 3 inch plastic plant pots.

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Then I put them back under the fluorescent tube.

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Here they are 11 days later on the 27th of September 2020 the plants are now 3 weeks old

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The Silver Back plants are on an 18/6 photoperiod I switch off the fluorescent tube at 06.30am when I get up then I switch it back on again at 12.30pm at lunch time and at this point I move them into the grow tent with the older Silver Back girls to enjoy some full spectrum light from the LED.

On Tuesday 29th of September I went into hospital to have surgery to remove a plate from my leg and I was discharged the next day I had water the plants on the Sunday and the dirt in their plastic pots was dry and they were all ready for a drink of water, but otherwise they were OK.

More updates to follow, happy growing... :pleasantry:

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A week later on the 3rd of October 2020 and the 4 young Silver Back plants are in week 4 of veg.

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Here is an image of the 4 Silver Backs 1 week later on the 19th of October 2020 at the end of week 5 in veg.

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Two days later on Monday the 12th of October I harvested the 4 original Silver Back girls from the first run.

So the tent was now empty so the new young Silver Back plants can have it all to themselves, so I changed the timer to an 18/6 photoperiod and set the bloom switch on the LED to the off position.

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The young Silver Back plants have been enjoying the LED each day, so they should enjoy having it all day now.

More updates to follow, happy growing... :pleasantry:

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The following day 13th of October 2020 I decided it was now time to put the young Silver Back plants into the 12 litre rot pouches that they will finish in and get them settled into some fresh dirt.

Here are some images I took as I put them into the root pouches.


All four of the new Silver Back plants in the grow tent.

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A bucket full of Silver Back plants.

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Root balls

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All four Silver Back plants in their new 12 litre root pouches.

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All of the Silver Back plants back in the grow tent in their root pouches.

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After putting the girls back into the grow tent in their new root pouches I watered them all I think I gave them about 250ml or water each.

More updates to follow, happy growing... :pleasantry:

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I let the Silver Back girls settle into their new root pouches for five days and it is now Sunday 18th of September 2020 and time to top the plants at the end of week 6 of veg.


All of the Silver Back plants in the grow tent.

24oct-2020-sb-18oct-gtent.thumb.jpg.e1f54a5f7b3ecd70364a8294763c352f.jpg
All of the Silver Back plants in normal light.

24oct-2020-sb-18oct-nlight.thumb.jpg.691d633f9abbc2f66e6cbbcd0eca4ecc.jpg

Site where Silver Back plant was topped.

24oct-2020-sb-18oct-topped-plant.thumb.jpg.157d0a93255c8b11aa5d4eda71cd288b.jpg

I will let them veg for another two weeks until the end of the month.

More updates to follow, happy growing... :pleasantry:

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Here we are today 24th of October 2020 at the end of week 7 of veg and the plants have responded nicely after being topped last week.

Here are a couple of images of the plants I took this afternoon.

All of the Silver Back girls in the grow tent.

24oct-2020-sb-gtent.thumb.jpg.f297924e4261bc7b572faf8d8091a642.jpg

All of the Silver Back plants in normal light.

24oct-2020-sb-nlight.thumb.jpg.ec9c51c82be7ba31101dd9e2eae762ae.jpg

The dirt in their root pouches should be dry tomorrow so I will give them 500ml of water.

More updates to follow, happy growing... :pleasantry:

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This morning the dirt in the root pouches was dry and all of the Silver Back plants felt nice and light.

So I gave each of the plants 500ml of water and then put them back into the grow tent under the LED.

Happy growing... :pleasantry:

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Time for a mid week update on the 4 new Silver Back plants.

Yesterday when I checked the plants in the morning and rotated them around the grow tent I noticed the fan leaves on one plant were looking pretty droopy and the others were also just starting to do the same thing.

I decided to leave them until later in the day and I then checked on them in the early evening and they all had droopy fan leaves so I decided that I would give them a drink.

All of the plants are very green and healthy looking so I decided that because this is the middle of week 8 of veg I should play safe and give them 1 litre of water rather than a feed to give the dirt a bit of a flush.

I used a jug to carefully pour the water onto the surface of the dirt slowly to allow it to be absorbed, despite this there was plenty of run off water coming out of the bottom of each root pouch.

This morning at 06.30am when I checked the plants they all looked nice and healthy and no droopy fan leaves.

By the time the dirt dries out it will be time to reset the timer to a 12/12 photoperiod, so I am considering whether to give them a final feed of the grow nutrients ready for the stretch or their first feed of the hybrids nutrients.

More updates to follow, happy growing... :pleasantry:

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Time for a progress update on the 4 Silver Back girls at the end of week 8 of veg.

Yesterday the dirt in the root pouches was dry and they felt light and the fan leaves were starting to droop.

The fan leaves are a dark green and they seem to be healthy and happy, but I really want to avoid over feeding them and giving them nute burn like the last run, so I decided that I would play it safe and just give each plant 1 litre of water.

Here are a few photos of the plants I took this afternoon.

All of the Silver Back girls in the grow tent under the LED.

31oct-2020-sb-grow-tent.thumb.jpg.693cf5d4333a89f84683a36b8cd01d5e.jpg

All of the Silver Back girls side view.

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All of the Silver Back girls top view.

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Silver Back #1

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Silver Back #2

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Silver Back #3

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Silver Back #4

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Today is the last day of veg for the girls tonight I will flip on the bloom switch on the LED and tomorrow I will reset the timer so they are on a 12/12 photoperiod to start the flowering period.

Next time the dirt dries out in their root pouches and they are ready for a drink I think I will give them a mild feed of the hybrid powder feed, hopefully they will be ready for a feed as they start to stretch.

Happy growing... :pleasantry:

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This morning when I checked on the 4 Silver Back girls I noticed that the fan leaves were starting to droop so I decided to leave it until later in the day to give them a feed.

So at about 6pm half an hour before the LED goes off I mixed 4ml per litre of root stimulant and 0.3g per litre of hybrids powder feed, I mixed up 4 litres in total and then I gave each of the plants 1 litre of the feed solution.

More updates to follow, happy growing... :pleasantry:

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Time for a progress update on the 4 Silver Back girls at the end of week 1 of 12/12.

On Thursday the dirt in the root pouches was dry and the all felt light and their fan leaves were starting to droop so I gave each of the plants 1 litre of water.

One of the plants was a bit taller than the other 3 plants so on Friday morning I did a bit of LST on the taller plant I used some soft string to tie down the stalks and I fixed the string to the root pouch with paper clips so they can be adjusted.

Here are a couple of images of the plants that I took this afternoon.

All of the Silver Back girls side view.

07nov-2020-sb-side-view.thumb.jpg.6f505601e6ed94e6b6c2cb34169539fe.jpg

All of the Silver Back girls top view.

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I did take images of each plant but it looks like the SD card in my camera is mashed up, a few months ago I noticed that the card casing has split so I need to buy a new one.

Now I have done some LST on the taller Silver Back the canopy is a more even, hopefully over the next couple of weeks the other 3 will gain more height as they stretch.

Happy growing... :pleasantry:

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Time for a progress update on the 4 Silver Back girls at the end of week 2 of 12/12.

On Monday the dirt in the root pouches was dry so I mixed 4ml root stimulant and 0.3g per litre of hybrids powder feed and I made up 4 litres of the feed solution and then I gave each plant 1 litre of the solution.

Then on Thursday the dirt in the root pouches had dried out again so I gave each plant 1 litre of water.

Over the past week I had noticed discolouration on fan leaves on the tallest plant so on Friday morning I had a look with a magnifying glass and there were loads of spider mites, so I sprayed all of the plants and treated them with Trounce.

And I stripped the tent down and cleaned it with some bathroom cleaning spray that contains bleach, then I put the filter and inline fan back and then the LED, then I also set up the cable for the dehumidifier.

Then once the foliage on all the plants was dry I put them back into the tent under the LED.

This morning when I moved the plants around the tent I attached the duct to the inline fan and filter and switched the inline fan on then I put the dehumidifier into the tent and set it to 45% and then I pu the plants back into the tent.

By the end of last week it was obvious that the Silver Back girls were going into flower and by Wednesday there were lots of pistles and bud sites visible on all of the plants.

Here are a few images that I took yesterday.

All of the Silver Back girls in the grow tent under the LED.

15nov-2020-sb-grow-tent.thumb.jpg.2f088aed247e157b8776c68b5bfb8fd1.jpg

All of the Silver Back girls side view.

15nov-2020-sb-side-view.thumb.jpg.33a6d93f326cb672162d156ef9f8c282.jpg

All of the Silver Back girls top view.

15nov-2020-sb-top-view.thumb.jpg.cf4d3a09122eed4361e8890d810a3a42.jpg

Silver Back baby buds

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15nov-2020-sb-baby-bud-001.thumb.jpg.d356a59cc2931ba26cae5be4e5746a71.jpg

 

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All the plants look happy, when the dirt dries out next time I will play it safe and give them 1.5 litres of water to give the dirt a flush and avoid over feeding them.

I am defoliating as fan leaves at the bottom of the plants start to fade and yellow.

More updates to follow, happy growing... :pleasantry:

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Time for a progress update on the 4 Silver Back girls at the end of week 3 of 12/12.

All of the plants are nice and healthy and building bud.

On Monday the dirt in the root pouches was dry and they all felt nice and light so I gave each plant 1.5 litres of water.

Then on Thursday the dirt in the root pouches was dry again and all of the plants felt light, so I mixed 3ml per litre root stimulant, 0.3g per litre GHS hybrids powder feed and 0.2g per litre of GHS powder feed booster.

I mixed up 6 litres of the feed solution and then I gave each of the plants 1.5 litres of the feed solution.

This afternoon the dirt in the root pouches was nice and dry so I gave each of the plants 1.5 litres of water.

Here are some images I took just before I watered the plants.

All of the Silver Back girls in the grow tent.

22nov-2020-sb-grow-tent.thumb.jpg.170965a35517aa878b27393ebdc52f98.jpg

All of the Silver Back girls side view.

22nov-2020-sb-side-view.thumb.jpg.e79f440441a95caeaa184ee903241c0b.jpg

All of the Silver Back girls top view.

22nov-2020-sb-top-view.thumb.jpg.7528dd1e72964f7c499d9fd9e8b1ebe2.jpg

Silver Back bud

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Next time the dirt in the root pouches dries out I will give them a feed again, I am please with this second run the plants are a lot more healthy this time compared with my first run.

The bud on the top stalks is stacking nicely as well, it was well worth vegging them for 8 weeks.

Now that we are starting week 4 of flowering I need to start thinking about what beans to pop for my next run.

Happy growing... :pleasantry:

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About us

Strain Hunters is a series of documentaries aimed at informing the general public about the quest for the preservation of the cannabis plant in the form of particularly vulnerable landraces originating in the poorest areas of the planet.

Cannabis, one of the most ancient plants known to man, used in every civilisation all over the world for medicinal and recreational purposes, is facing a very real threat of extinction. One day these plants could be helpful in developing better medications for the sick and the suffering. We feel it is our duty to preserve as many cannabis landraces in our genetic database, and by breeding them into other well-studied medicinal strains for the sole purpose of scientific research.

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