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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 ...
In North America, recovery of the eastern bluebird (Sialia sialis) has required nest boxes due to the loss of natural hollows. The scarcity of dead, hollow-bearing trees in Scandinavian forests is a key threatening process to native bird life. In Sweden, almost half of red-listed species are dependent on dead hollow-bearing trees or logs. [1]
Brazilian biologist Fernanda Abra was recognized by the Whitley Fund for Nature for her pioneering work to build and monitor low-cost canopy bridges over Highway BR-174 in the Amazon rainforest ...
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 ...
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 ...