Auto Duck is going to take longer than Durban x Duck to finish. DxD could be harvested now as the seeds are ripe and so are the buds. Here's a couple pics of auto duck
Lots of white pistols still although the pic doesn't show this well
May be too late. But you know how they can always go on that little bit longer? And as the pistels are still white. You have a good chance of enhancing this grow.
You still have time to enhance the yield of your plants. Look at this.
Home LED's (see below) are a very quick fix to enchance flowering and resin production. This is real, not something I heard. They also stop height gain where height is an issue. I tried home LED's on some CFL vegged plants that were shooting beyond my grow space height. Thanks to blynx, the LED's made my plants stop stretching and produce loads more buds and resin, almost like the pro's who post unbelievable images of resin laden plants here on ICmag, that look like they could be airbrushed-fakes. I now know they are not fake, and I realise this was a matter of my lamps were lacking in certain light bandwidths or light-colour. Home LED's added the extra colour needed. The LED's I chose were cheap low wattage 6watts bulbs. I only needed a handful of the Red (Warm white) home LED's, and the whole of the plants started budding right out. Although the LED's stopped the plants stretching, the yield hasn't depreciated, and my plants still produced a full yield. I originally flowered the plants using just the home-LED's. But later I added a 200w Red CFL for more lumens and this worked fine in tandem. Some of the guys are using commonly available 11watts plus home LED bulbs, so a bit more powerful. If you want to risk gettin these, you will get more lumens, although I am not able to recommend any other brands than ULTRABRITE below. However, when clustered together, 'literally ANY' home LED's can make significant wattage and lumens. So string a few together. Five would be good starting point. Get them over the top of those ladies to stop the stretching, and producing more buds and resin. Wilko have a 2m clip on light for £4, which includes a fused plug. IMO, even one home-LED will improve your light bandwidth or light-colours.
You will never worry about stretching again. Once your plants are tall enough and you want to stop stretching and start flowering, you simply add some home LED's and the stretching stops, flowering and resin starts. As you can see, lamp-holder fittings are negligible, and can be bought from £1.50. If you want to wire them, they just need wire and a plug. I appreciate this stuff can mount up to the cost of a proper lamp. But for a few pounds, you can quickly stop stretchy plants becoming unviable. This might even save your grow, if using a closet. I can only recommend the ULTRABRITE brand home LED's pictured below, though I am told squat plants are a common trait for Red home LED's; except that Blue LED's stretches them more, but they still squat by normal standards. Some of the guys, like blynx, use Blue-home-LED's to stretch plants before flowering, cus the plants are too squat using just Red LED's. Heh, hehh, too squat! Can you believe this; You probably will? I was putting off getting a full blown LED lamp cus of the problems I had with CFL's over the years, causing stretching, over-veggin and poor flowering. Then I bought a Maxibright CFL lamp that induces flowering in 10 days. But after producing tiny plants, the alarm bells began to ring. Would I ever get a decent routine CFL grow. I thought that a purpose made Grow-LED would be more trial and error. I have been looking everywhere for reviews of purpose made LED grow lamps. There were only a few reviews of any use at all. Suddenly blynx amazing intellect entered, and home LED's were given a try. Then the epiphany; a moment of sudden and great revelation or realization! At last, I can stop the plants stretching basically whenever I want. Home LED's are very cheap too, from £1; and to make more lumens everyone is taking the filter-caps off; which leads to some scary electric shock hazards from the 240volt pins, inappropriately placed, and sticking out of the centre of the home LED's. Like, you were workin, and put your hand too near, Ouch!!!__ But if you can deal wif dat, then you can fit anything in your 5' space.
The reason for increased lumens by taking the filter-caps off home LED's, is well explained here, in;
Why I Break The Diffuser Off My LED "Bulbs" For My Grow Light Panels https://youtu.be/JG_iXOIb1tk
Google the ULTRABRITE brand or go here to Poundland: https://www.poundland.co.uk/399087-u...-round-1-pack/
https://www.icmag.com/filedata/fetch?id=17826220&d=1617762882https://www.icmag.com/filedata/fetch?id=17826221&d=1617762905
https://www.icmag.com/filedata/fetch?id=17830181&d=1618177146
Home LED bulbs are £1 each in Poundland (or anywhere). https://www.poundland.co.uk/catalogs...t/?q=light+led
blynx is using home LED's here, with their noteable filter-caps removed, which can be unrecognisable to the untrained eye. Note the squatness of the plant, which may also have been stretched using some Blue-home-LED's. The following pic shows final growth from a single plant. Blnyx's LED CAB space concept deliberately ties plants down to encourage side growth, maximising yield from a single plant, while side growth is also very short and squat, especially under Red home LED's. The side growing plants become full size colas, like clones, but without the cutting. You can see more of blynx posts here: https://www.icmag.com/forum/marijuan...0#post10943498 and here https://www.icmag.com/forum/marijuan...4#post10869164
You're right the Duck could go another week or two with nutrients. She's definitely more of a skunk type plant than her sister from last grow. After looking at her again I'll feed next watering. However, Durban x Duck F1 are at the end of flowering stage and will be chopped soon.