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Messages - Jack, Nipomo

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I believe PBZ is banned in several countries for use in food crops.  PG&E wanted to use it on our property for pine trees under power lines, but I refused due to adjacent fruiting plants.  Now they (I) resort to pruning devices.

2 Malibu out there, # 1 and #3

White sapote can be a large tree.  Suebelle is much smaller with smaller fruit.  White sapote can be extremely dwarfed down to 6-8 ft and produce normal sized fruit.  Use the search function.  It is too bad that an excellent fruit is not planted because it can be potentially a large tree.  There are many, many varieties of white sapote with very distinct tastes.  Hard not to like the fruit. 

Tropical Fruit Discussion / Re: Possible for me to get avocados?
« on: April 16, 2021, 08:10:01 PM »
Here's a link to ponder :, then check out Epicenter's selections of avocados (they are in the Santa Cruz area).

Tropical Fruit Discussion / Re: flies pollinate cherimoya?
« on: April 16, 2021, 08:01:17 PM »
Were the fruits fully formed and large?  Close proximity with fruit well pollinated would indicate wind pollination and/or a helpful insect.

Tropical Fruit Discussion / Re: flies pollinate cherimoya?
« on: April 14, 2021, 04:28:14 PM »
Years ago I thought I might save myself the effort of hand pollination.  I threw lots of rotting fruit under several flowering cherimoya trees, the results were swarms of fruit flies.  A few were attracted to flowers in the female stage.  No fruit was set.  I now tend to overpollinate and have to thin fruits.  In our benign climate I collect pollen (actually the anthers) mid to late day when the flower is wide open and the petals are spread.  I keep the pollen in the shade and use it on the fresh opening flowers in the AM.  Usually I can collect pollen (anthers)from the male stage and pollinate female flowers at the same time.  I break off one petal as an indicator that I pollinated that particular flower.  I try to pollinate the female stage heavily to avoid poorly formed fruit.

Tropical Fruit Discussion / Re: Graft sun protection?
« on: April 12, 2021, 02:00:52 PM »
Don't know how many grafts you need to protect, but I have used water-based white latex paint over the graft and parafilm.  The thick latex protects the graft and buds can grow through it.  Parafilm will still break and fall off under a coating of latex paint.  Thankfully we do not have to contend with your temps.

Tropical Fruit Discussion / Re: Green Sapote
« on: March 25, 2021, 09:08:22 AM »
No damage to Green Sapote, new growth is fine.  Nearby mangos did suffer damage to new growth, old leaves are fine.  A particular quality in our area (I have observed over the years) is plants harden off before freezes.  Our summertime lows are in the mid to low 40's, we get no lush growth, just slow growth.  Perhaps plants are more prepared for wintertime low temperatures.  We are planting 5 different mangos to ascertain if global warming opens up more opportunities for plant selection.  What is certain is that over the past 48 years, we have nothing like the freezes we have had in the past.

Tropical Fruit Discussion / Re: Avocado Tree doctor
« on: March 23, 2021, 09:05:15 AM »
Pretty typical this time of year.  Wait 'till June/July to assess condition of tree.  Old leaves fall off, replaced by new ones.  Dissolved solids in the water are retained in the leaf tips after water is transpired out.  One precaution is that excessive loss of leaves can lead to sunburn of limbs.  Water-based latex paint will protect the limbs.

Tropical Fruit Discussion / Re: Green Sapote
« on: March 23, 2021, 08:59:00 AM »
I have three growing outside here in the central coast of CA.  Originally grown in greenhouse, they are 6-7 ft tall and have been planted outside for 3 years.  They have flowered, but small fruits fell off.  They have taken 27 degrees this year (once), but our freezes are of short duration.  Growing like mad now, hopefully will get fruit this year.  Counting on and accepting global warming (we used to get 22-26 degree freezes 30 years ago, now rarely below 30.)  Apricots used to grow commercially here, now we get few due to lack of winter chill.  Comparison:  two covered mangos (4 ft) only lost new growth this year (their first year).  We lack any real heat, summer highs in the mid 70's, which is another limitation.

Tropical Fruit Discussion / Re: guamuchil ?
« on: March 12, 2021, 07:55:12 PM »
Spent many years wandering the back roads of Baja CA.  Guamuchil are quite common and can get large.  Tried the fruit, unimpressed.  Asking around local folks, could not find anyone who thought it was worth any effort.  It does make good fire wood.

I collect anthers for pollination as they contain the pollen.  The pollen is visible in a film type container scattered on the sides.  I just use the anthers on the end of a brush for pollination.  Here in Nipomo, I can collect pollen in the morning and use it in the afternoon, sometimes having the male stage and female stage of the flowers open I just move from male to female flower.

 Each week I catch a tree/attic/palm rat (Rattus rattus, an import to the US).  I use a metal snap trap covered with cage wire (keep birds out, small opening for rats).  The trap is on a 7 ft pole with a hanger on the top where it is hung from a (usually) macadamia tree. Macadamia nut is bait  I have 10 traps running at a time.  Caught rats are dead, and deposited in same area of property weekly.  Gone in the morning, a game camera identified possums and/or raccoons taking the rat body away.  Crows sometimes get them during the day.  I simply got tired of burying the carcass and dealing with ripe ones dug up.  Because of our dog, wild animals, I do not use poison to avoid secondary poisoning. This will never end, I know, but working on some control.

Took several well producing cherimoyas from our home on Central Coast to home in Todos Santos, Baja Sur, Mexico south of the Tropic of Cancer.  Even though they grew well, flowered, they never set fruit.  Guanabanas and other annonas  fruited there.  Hand pollination didn't help.  Variety of cherimoyas continue to do well here in Nipomo.  Factors other than heat is present there, but surmised it was the heat.

Tropical Fruit Discussion / Re: Best White Sapote Variety? (California)
« on: February 28, 2021, 10:05:12 AM »
As far as I know, there are two "Malibu" cultivars in CA, Malibu#1, and Malibu #3.  Collected by past member John Moore from selected trees.

Nettie is a good fruit, has an interesting shape and looks like a pear hanging on the tree.  Seeds are smaller than some (like Pike).

There are different cultivars of the yellow sapote in CA; #7 and #8.  These were selected from a CRFG taste testing years ago, it was written up in an old yearbook.  The yellow sapotes grown here resemble a large mango, yellow and with small seeds.  Seeds are different than the white sapote in size and shape, being more compact.  Fruit taste is different than white sapote too.

Tropical Fruit Discussion / Re: Most Disease-Resistant Macadamia?
« on: February 17, 2021, 06:11:14 PM »
I wonder if you recently fertilized the macadamia.  Very extensive Proteoid roots are extremely efficient in pulling nutrients from soil and it is therefore easy to overfertilize a macadamia.

Tropical Fruit Discussion / Re: Sowexotic Nursery Experiences?
« on: February 11, 2021, 05:01:02 PM »
Sow Exotic has some unusual rare plants.  I have ordered several and been quite happy with the plants when received.  They have some others that I "need" and will be ordering them soon.

Tropical Fruit Discussion / Re: Plant o Gram mangos delivered
« on: February 11, 2021, 09:08:58 AM »
Update on mangos from PlantoGram.  Mangos, Jakfruit, etc. were encircled with field fence covered with poly plastic.  Reptile heaters installed inside.  Top of encircled plants were only closed twice this winter (at 35 degrees, 9 PM) as a precaution.  Heaters never used, all encircling covers removed first week of February.  Damage:  some spotting on new leaves of mangos, slight discoloring.  Jakfruit top leaves curled and dead, lower leaves green and intact, wood OK.  Canistel is fine, green sapotes untouched by cold.  According to max/min orchard thermometer we hit 27 degrees some time during this winter.  Thermometer is next to mangos.  Duration must have been very short as the only other frost/freeze damage on the property is on new growth on Cassia (Senna alata, raised for Giant Cloudless butterfly).  No effects observed on new growth on macadamia or avocados.  This on property held for 47 years experiencing 17 degrees one time and a usual 25-26 degrees each winter, usually of long duration.  Plans are to continue experiencing an apparent global warming trend with additional plantings (if I can find room).

As an aside, two litchi plants from PlantoGram were heavily sprayed with a (miticide?) to the extent of transparent leaves that subsequently curled and dropped.  Both put in greenhouse, one died, Brewster growing well.  Nice caliper plants!  Planning on putting Litchi out too, but will hit Champa Nursery (local almost) for more litchi plants to avoid mite eradication efforts. 

Tropical Fruit Discussion / Re: An experiment
« on: February 03, 2021, 01:38:43 PM »
We are in 9b CA, central coast, 15 miles from ocean.  Everyone you mentioned grows and prospers here.  We have experienced freezes in the past, but rarely now.  Have a 46 year old multigrafted white sapote that has never been affected by frost/freezes.  Years ago lost 3ft tall macadamias to frost, but have over 40 now that never have any damage.  Cherimoyas in the past could be a challenge, but not for the past 20 years.  About 50 different avocado varieties don't mind winter's cold.  The one tree I wouldn't worry about is the White sapote.  My yellow sapotes are a bit sensitive, but really not an issue.  Have recently discovered a little frost damage on a jakfruit and a couple of new mangos.  Damage was a result of frozen dew on leaves a couple of weeks ago.  I observed that and was curious of potential effects.  No wood damage, just a bit of upper leaf scorching. Looks like I try some more mangos.  Hopefully, as with macadamias and others, maturity does make a difference (along with global warming). 

Tropical Fruit Discussion / Re: New dwarfing white sapote variety?
« on: January 14, 2021, 02:43:26 PM »
I have a number of Sapote trees here in Nipomo.  My oldest tree is a monster, 2 ft diameter trunk.  It is grafted with Pike and Vernon, bushels of fruit everywhere enhanced with fruit flies.  I also have two dwarfed trees, one a Pike, one a Vernon.  Both produce normal sized fruit.  Each "tree" is approx 4 ft tall, and is over 15 years old.  These are the same varieties in the monster tree nearby.  The difference is that the C. edulis "Pike and Vernon" are grafted on yellow sapote rootstock C. tetrameria.  Obviously no incompatibility with more than 15 years since grafting.  One is in the ground, one in a half barrel.

Conversely, yellow sapote, c. tetrameria, grafted on c. edulis results in a semidwarfed tree, about the size of a peach tree.  I have both #6 and #7 varieties of C. tetrameria grafted on white sapote, C. edulis.  Each tree is approx 15 years old or more.

It seems that the size of white sapote, C. edulis, could be controlled with the use of a C. tetrameria interstem a technique used in apple dwarfing.  Perhaps then, a white sapote tree would fit in the average city-sized lot. 

Tropical Fruit Discussion / Re: Pickering is way too under-rated!
« on: December 06, 2020, 10:45:42 AM »
No moderators around?

Tropical Fruit Discussion / Re: Germinating mamey sapote seeds
« on: November 01, 2020, 08:11:35 AM »
Rough side of seed facing down, split seed will have root emerge from split.  Keep warm, don't overwater.

Tropical Fruit Discussion / Re: Best White Sapote Variety? (California)
« on: October 25, 2020, 01:46:21 PM »
Always interesting to have a discussion on a favorite fruit, car, politician, etc.  Seems like one needs to gather a bunch of scionwood varieties, graft them on a single tree, in a given environment, water accordingly, and sample the fruit.  I was fortunate to participate in the collection of Bob Chambers' scionwood extravaganza and have sampled many of the varieties mentioned.  Most are grafted on existing trees (they graft as easily as apples, very forgiving).  In my opinion most are too sweet (like cherimoyas).  I prefer one that has ripened on the tree, has fallen, and is warmed by the sun.  It reminds me of custard.  Cut into large pieces and dried in my dehydrator, they are an excellent dried fruit which I use when backpacking.  One of my trees is over 40 years old (Pike/Vernon/Nettie) and is a true giant.  Grafted on a yellow sapote (Casimiroa tetrameria) it is a managable size about the size of a peach tree. I would not plant one near the house/septic tank/walkway.  At least they are quite drought resistant.

Thanks for posting... I Have GEM, Lamb Hass, And Esther (Ester) and for my location, Lamb Hass and Esther are far better than GEM (sorry Gary).

Tropical Fruit Discussion / Re: When To Harvest Persimmons?
« on: September 29, 2020, 07:19:26 PM »
Having both Hachiya and Fuyu, neither needs pollination.  Have not experienced any seeds.

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