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Dibotryon morbosum or Apiosporina morbosa is a plant pathogen, which is the causal agent of black knot. [1] [2] It affects members of the Prunus genus such as; cherry, plum, apricot, and chokecherry trees in North America. The disease produces rough, black growths that encircle and kill the infested parts, and provide habitat for insects.
Two trees may grow to their mature size adjacent to each other and seemingly grow together or conjoin, demonstrating inosculation. These may be of the same species or even of different genera or families, depending on whether the two trees have become truly grafted together (once the cambium of two trees touches, they self-graft and grow together).
A burl (American English) or burr (British English) is a tree growth in which the grain has grown in a deformed manner. It is commonly found in the form of a rounded outgrowth on a tree trunk or branch that is filled with small knots from dormant buds. Burl formation is typically a result of some form of stress such as an injury or a viral or ...
Ziziphus mauritiana, also known as Indian jujube, [2] Indian plum, [2] Chinese date, [2] Chinee apple, [2] ber [2] and dunks [2] is a tropical fruit tree species belonging to the family Rhamnaceae. It is often confused with the closely related Chinese jujube ( Z. jujuba ), but whereas Z. jujuba prefers temperate climates, Z. mauritiana is ...
Although figures vary wildly, by some estimates, 475 million vertebrate animals are killed by vehicles every year in the South American country, which is home to the world’s fourth biggest road ...
Jadav "Molai" Payeng (born 31 October 1959) is an environmental activist [1] and forestry worker from Majuli, [2] popularly known as the Forest Man of India. [3] [4] Over the course of several decades, he has planted and tended trees on a sandbar of the river Brahmaputra turning it into a forest reserve.
The act of decorating Christmas trees has its roots in the Germanic history of setting up "paradise trees." And once the British Queen and Prince had their extravagant Christmas tree showcased ...
The National Park Service wants to replant sequoia groves in Sequoia and Kings Canyon National Parks, where wildfires in 2020 and 2021 inflicted lasting damage on the iconic sequoia forests.