Saturday, April 30, 2005

Seedling grafting on Pereskiopsis

Two weeks ago I rooted 4 Pereskiopsis spathulata cuttings and they are now in full growth.

I’ve grafted 4 plants from this year’s batch of Lophophora seedlings on the Pereskiopsis plants – 2 seedlings each of L. williamsii (RS 428A; Cuatro Ciénegas, Coahuila) and L. diffusa (RS 1193; Peña Miller, Queretaro).

Two Lophophora williamsii seedlings grafted on Pereskiopsis

The Living Rocks web site describes seedling grafting on Pereskiopsis in great detail.

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Thursday, April 21, 2005

The power of grafting

One year ago today, I grafted a 50some days old Lophophora williamsii seedling on a well established Trichocereus pachanoi stock. The Lophophora scion has now grown to a height of 3.3 cm (~1.3’’) and a width of 3.2 cm (~1.25’’). The barrel shape is not very becoming to the Lophophora, but hopefully it will flower soon.

Lophophora williamsii (SB 854; Starr Co, Tx) - One year old graft

The grafted Lophophora’s siblings (all sowed February 29, 2004) still growing on their own roots are all less than 1 cm (~0.4’’) in both height and width.

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Saturday, April 16, 2005

Lophophora williamsii v. jourdaniana 'Weiss'

I just received a batch of plants from Uhlig Kakteen – mostly winter hardy cacti but also a couple of white flowered Lophophora williamsii v. jourdaniana. As usual the Uhlig plants are of an excellent quality and well worth the price (€14.00 ~ $18.00 per loph).

2 x Lophophora williamsii v. jourdaniana 'Weiss'

Gerhard Köhres has a couple of photos of white flowering Lophophora williamsii v. jourdaniana: weiß 1 and weiß 2.

Monday, April 04, 2005

Strombocactus from seed - III

My Strombocactus disciformis ssp. esperanzae (S. pulcherrimus) seedlings are enjoying the spring and bursting with growth. After two months they have reached a staggering size of 1 mm in diameter.

Strombocactus disciformis ssp. esperanzae seedling (the spent seed shell is visible in front of the seedling)

The seedlings are still kept in a closed plastic bag in the window sill – apparently the bright, humid atmosphere is becoming them well.

Approximately 40 out of 60 seeds germinated.

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